Abstract: A modular gearbox assembly for a wind turbine having improved up-tower serviceability includes a low-speed gear stage module, a separate, intermediate-speed gear stage module adjacent to the low-speed gear stage module, and a separate high-speed gear stage module adjacent to the intermediate-speed gear stage module. The gearbox assembly also includes a first flange removably connecting the intermediate and high-speed gear stage modules and a second flange removably connecting the intermediate and low-speed gear stage modules. Thus, the low-speed gear stage module converts a low-speed, high torque input from a rotor shaft of the wind turbine to a high-speed, low torque output for a generator of the wind turbine via the intermediate and high-speed gear stage modules. In addition, the first and second flanges allow for easy disassembly of the gear stage modules such that the various stages can be easily repaired, replaced, and/or inspected.

Abstract: A crash attenuator includes a frame having a first frame member and a second frame member rigidly connected with a hinge assembly in a pre-impact configuration. The first and second frames are hingedly connected with the hinge assembly in an impact configuration. The hinge assembly includes a release plate fixedly connected to the first frame member, wherein the release plate comprises a fastener opening and a slot extending between the fastener opening and an edge of the release plate, and a fastener extending through the fastener opening and connecting the release plate to the second frame member when the first and second frames are in the pre-impact configuration. A hinge assembly, and method of using the crash attenuator, are also provided.

Abstract: A vehicle body rear structure includes: left and right rear side frames extending in a fore-and-aft direction in a rear part of a vehicle; a rear subframe attached to the rear side frames; left and right rear wheels supported by the rear subframe via respective suspensions; and a driving source mounted to the rear subframe. The driving source is arranged such that a center of gravity thereof is positioned more rearward than a rotation axis of the rear wheels. The rear subframe includes left and right rear subframe longitudinal members extending in the fore-and-aft direction and a rear subframe cross member extending laterally and joined to the rear subframe longitudinal members. The rear subframe cross member includes a protrusion that protrudes rearward at a laterally central part thereof. A rear end of the protrusion is positioned more rearward than a rear end of the driving source.

Abstract: A rear subframe structure including a rear subframe disposed on a rear side of a vehicle is provided. The rear subframe includes: a pair of right and left longitudinal members extending in a longitudinal direction of the vehicle; and a front cross member extending in a vehicle width direction between the pair of right and left longitudinal members, and a rear cross member extending in the vehicle width direction between the pair of right and left longitudinal members. The front cross member and the rear cross member are spaced apart in the longitudinal direction by a predetermined distance. Each of the pair of right and left longitudinal members has a protruding portion between the front cross member and the rear cross member; the protruding portion protrudes in a direction intersecting the longitudinal direction.

Abstract: A rear subframe structure is provided with a rear subframe including a front cross member, and a pair of left and right side members connected to the front cross member, and further including a vehicle-body mounting portion formed on both ends of the front cross member. The rear subframe includes a tunnel portion formed in a middle of a lower portion of the front cross member, and a brace extending in the vehicle width direction, and including a tunnel-portion mounting portion on left and right ends thereof. The brace includes a middle downwardly bulging portion bulging downwardly, and an upwardly bulging portion continued outwardly of the middle downwardly bulging portion and bulging upwardly. An inflection point between the middle downwardly bulging portion and the upwardly bulging portion is substantially located on an imaginary line linearly connecting the left and right tunnel-portion mounting portions in the vehicle width direction.

Abstract: A two-track vehicle with a vehicle body suspension, in particular with a front auxiliary frame, which is connected at the lateral vehicle body longitudinal carriers, and with a drive assembly-bearing component, in particular with a tunnel transverse bearing carrier, which is arranged at a longitudinal offset at a distance from the auxiliary frame and which bridges over a vehicle body central tunnel. A drive assembly is supported by the auxiliary frame and also on the tunnel transverse carrier. An intermediate coupling element is provided, which connects the auxiliary frame to the tunnel transverse carrier in a force-transmitting manner, while the longitudinal offset is bridged over.

Abstract: A modular transmission support secures a variety of transmissions to various vehicle frames. The modular transmission support comprises a crossmember that provides user-selectable positioning and attachment of vehicle transmissions. The crossmember comprises one or more trusses and a mounting pad or a set of mounting pads that may be secured at various positions at a concave section of the crossmember's trusses. One or more truss supports secure the crossmember to a vehicle at one or more predefined locations.

Abstract: A fuel rail assembly for supplying pressurized fuel to at least one fuel injector of an engine includes a hollow fuel rail extending along a fuel rail axis. The fuel rail includes an inlet for introducing the pressurized fuel into the fuel rail and at least one outlet for dispensing the pressurized fuel from the fuel rail. The fuel rail assembly also includes a bracket for attaching the fuel rail assembly to the engine. The bracket includes a fuel rail portion defining a first passage extending therethrough in the same direction as the fuel rail axis for receiving the fuel rail therewithin. The bracket also includes a mounting portion adjacent to the fuel rail portion and defining a second passage extending therethrough in the same direction as the fuel rail axis. The mounting portion is configured to receive a fastener for securing the fuel rail assembly to the engine.

Abstract: A rear subframe assembly, for use in a vehicle, includes a first and second side member that are coupled to a front cross member, a lower cross member, and an upper cross member. First and second gussets are provided to reinforce joints between each of the first and second side members and the front cross member. A motor mount portion for mounting a motor thereon is located between the side members and includes a first and second motor bracket each coupled to the front cross member through an isolator and to one of the side members through an isolator, the isolators for isolating the motor from vibration. A fuel tank mounting portion for mounting a fuel tank onto the subframe member is also provided.

Abstract: A kit for raising and increasing wheel torque of an off road four wheel vehicle comprising four portal boxes, each portal box being associated with an individual one of the vehicle wheels, the portal boxes enclosing identical gear sets and associated bearings, each portal box being adapted to receive the output of an axle constant velocity joint and having an output shaft projecting therefrom, a set of four metal backing plates for joining the portal boxes to the suspension arms of the vehicle, the backing plates being substantially identical, the backing plates each having inwardly extending mounting brackets for attaching to upper and lower suspension arm parts.

Abstract: An apparatus for controlling noise of a vehicle body may include a reinforcement member movably installed in a vehicle body frame, an accelerator pedal detection unit for detecting whether an accelerator pedal is operated, a controller for determining whether a vehicle accelerates or decelerates based on a signal from the accelerator pedal detection unit and outputting a control signal to move the reinforcement member to be in contact with or to be spaced apart from a cross member of the vehicle body frame in accord with acceleration or deceleration of the vehicle, and a driving apparatus for moving the reinforcement member according to the control signal of the controller. By selective movement of the reinforcement member, the apparatus modifies a noise generated by the cross member differently according to the acceleration or the deceleration of the vehicle and thus improves sound quality.

Abstract: An all-terrain vehicle (10) includes a vehicle body frame (11), a drive shaft (23) in the form of a constant velocity ball joint, and a lower arm (33) extending laterally of the vehicle. The drive shaft extends substantially parallel with the lower arm and includes an intermediate shaft (101) and a bearing portion (102) mounted to a vehicle-body-side end of the intermediate shaft. The bearing portion (102) is disposed to be positioned substantially on a vertical line passing over a vehicle-body-side connection portion (33a) of the lower arm.

Abstract: A vehicle including a vehicle body is disclosed. A transmission casing includes a plurality of walls extending outwardly to a distal edge. One of the walls defines a first side and another one of the walls defines a second side. A power inverter module is coupled to the transmission casing to define a unit disposed in a first position when the unit is stationary relative to a first end of the vehicle body and a second position when the unit moves toward a second end of the vehicle body. The power inverter module slopes downwardly from the first side toward the second side to define a module angle relative to a longitudinal axis such that the power inverter module defines an angular position. The angular position of the power inverter module minimizes engagement of the power inverter module with a component when the unit is in the second position.

Abstract: A powertrain system for a motor vehicle comprises a power unit (2), a differential module (3) and a propeller shaft (4) provided to extend in a frontward-rearward direction of a vehicle body to transmit drive power of the power unit (2) to the differential module (3). The propeller shaft (4) is divided into a front shaft segment (4a) a rear shaft segment (4b) through the intermediary of a third universal joint (43), and adapted to be contracted in such a manner that the front shaft segment (4a) is fitted into an end of the rear shaft segment (4b) over a contractable range D1, together with a part of the third universal joint (43). The differential module (3) has a module body (31), and a rear support section (33) which supports the module body (31) to allow a front portion of the module body (31) to be swingably moved downwardly.

Abstract: In a mounting structure of a power unit for a utility vehicle, the power unit includes an engine and a transmission coupled onto one side of the engine in a vehicular lengthwise direction. A lower end substantially at the center of the engine in a vehicular widthwise direction and a lower end substantially at the center of the transmission in the vehicular widthwise direction are mounted to an upper surface of a chassis frame by a front mounting mechanism with a damper and a rear mounting mechanism with a damper.

Abstract: A vehicle is provided that may include a chassis, a mounting bracket, a drivetrain component, a first shaft and a second shaft. The mounting bracket may be secured to the chassis. The drivetrain component may include a housing defining an internal cavity and including a fluid fill-hole in communication with the internal cavity and extending through an exterior surface of the housing. The first shaft may engage the fluid fill-hole and may have a head on one end. The second shaft may extend outward from the head and may engage an aperture of the mounting bracket. The second shaft may bear a mounting load of the housing and may transmit at least a portion of the mounting load through the first shaft.

Abstract: A support of an axle transmission in the rear region of a passenger vehicle on a rear axle carrier and on the floor panel structure of the vehicle body in a further connecting point with the interposition of elastic supports is provided. On the output side, the transmission is supported on the sole transverse member of the rear axle carrier, which includes two longitudinal members, and on the input side the transmission is fixed to the floor panel structure via a serial connection of two elastic supports with a mass body arranged therebetween. The transmission may be fixed to two connecting points on the floor panel structure, the connecting points lying next to each other substantially in the transverse direction. Two such serial connections of elastic supports may be provided with a common mass body with a weight ranging from 3 to 7 kilograms.

Abstract: A manual height-adjustment mechanism (MHAM) for a vehicle driveshaft, includes a movable bracket assembly configured to attach to the driveshaft and a vehicle cross-member; and a user input device remotely located with respect to the movable bracket assembly, configured to control the movable bracket assembly.

Abstract: A structure for mounting a transmission to a vehicle body may include a transmission mounting bracket coupled both to a transmission casing of the transmission and to a rear cover coupled to the transmission casing, wherein the transmission mounting bracket may be coupled to an insulator, and the insulator may be mounted to the vehicle body.

Abstract: The invention relates to an assembly for hanging a vibration-generating member (8) attached inside an axle (3) of a running gear of a vehicle, in particular an automobile, said member (8) being attached to the axle (3) by at least one first (9A), one second (9B) and one third (9C) anti-vibration attachment elements, the three attachment elements (9A, 9B, 9C) not being on the same horizontal plane XY, said attachment elements (9A, 9B, 9C) providing isostatic hanging of the member (8) in the axle (3), and in which the first and second attachment elements (9A and 9B) are arranged separated from one another and aligned on a diagonal connecting the center of the first attachment element (9A) with the center of the second attachment element (9B), passing through the center of gravity of the member (8); the third attachment element (9C), separated from the first and second attachment elements (9A, 9B), does not pass through said diagonal line; and the center of the third attachment element (9C) and the center of gra

Abstract: A hybrid construction machine includes an engine, a generator motor, and a hydraulic pump. They constitute a power unit, and are connected in series, with the generator motor being disposed between the engine and the hydraulic pump and with a center of gravity of the entire power unit being positioned closer to the generator motor than the center of gravity of the engine. A mount installation bracket is mounted at a side of each flange disposed at a corresponding side of the generator motor. A generator-motor-side mount device is mounted to the bracket.

Abstract: An oil-pressure output device (electric pump unit) is arranged on an outer wall face of an automatic transmission which is positioned on an opposite side to an engine (left side of a vehicle). An arrangement position of the oil-pressure output device is out of a movable range of one of the steered driving wheels which is located on the opposite side to the engine (left front wheel). Accordingly, a simpler layout change between a case of attaching the oil-pressure output device to the automatic transmission and another case of not attaching the one can be provided, so that commonality of components or layout of the automatic transmission and its surrounding devices and structures can be provided.

Abstract: A support structure for a motor vehicle body includes, but is not limited to a side member extending between an engine compartment and a wheel installation space, a wheel installation brace running above the wheel installation space and a unitary stiffening element extending above the wheel installation space and connecting the wheel installation brace with the side member, on which one or a plurality of fastening points for the attachment of an engine and/or transmission mounting are formed.

Abstract: A transmission cross-member for supporting a vehicle's transmission includes a center portion, a pair of outer portions extending from the center portion and a pair of mounting flanges extending from the respective outer portions and connecting to the rails of the frame of the vehicle, wherein at least one of the mounting flanges is pivotally connected to one of the outer portions.

Abstract: A suspension system for a motor vehicle including a frame assembly; a differential supported on the frame assembly; two half shaft assemblies engaging the differential and being pivotally connected to the frame assembly; and at least one air spring operatively positioned between the frame assembly and each of the half shaft assemblies. The air springs are connected to a rotating linkage which maintains a substantially linear axis of compression for the air springs.

Abstract: A working vehicle according to the present invention includes a pair of front frames and a pair of main frames that are detachably connected to each other, a reinforcing member coupling the pair of main frames while being overlapped therewith in a side view, a pair of attachment stays fixedly attached to outer side surfaces of the pair of main frames so as to be at least partially overlapped with the reinforcing member in a side view. A cabin is supported in a vibration-isolation manner at no less than four positions including the pair of attachment stays and right and left supporting positions that are provided at a pair of rear axle cases or a transmission case. The working vehicle can enhance stabilization of support of the cabin while simplifying a structure.

Abstract: A powertrain for a motor vehicle includes an engine disposed in a front of the motor vehicle and having an output member, an automatic transmission disposed in a rear of the motor vehicle and having an input member, a torque converter connected to the input member of the automatic transmission, and a shaft disposed along a length of the motor vehicle and connected to the torque converter. A first damper is connected to the output member of the engine and is connected to the shaft. The first damper has a first spring set interconnected to the output member of the engine and a second spring set interconnected to the first spring set and to the shaft. The first damper is operable to isolate torsional vibration between the engine and the shaft and isolate the shaft from torsional resonant behavior.

Abstract: The present invention relates to a mechanical and hydraulic composite transmission device which includes an engine, a transmission, a planetary gear case, a variable displacement hydraulic pump, a hydraulic motor and a transmission gearbox. The planetary gear case distributes the power driven by the engine to drive the variable displacement hydraulic pump and the center gear respectively. The variable displacement hydraulic pump is connected with and drives a hydraulic motor and a half shaft orderly. The half shaft converges a mechanical power flow driven by the center gear and a hydraulic power flow driven by the hydraulic motor, and extends out of the planetary gear case so as to export power. The special vehicle can run at stepless variable speed under the mechanical and hydraulic composite transmission means while the working device on the vehicle is driven under the mechanical transmission means to work.

Abstract: A chassis frame (10) has a cross member (22) that bridges right and left side rails (18, 20). Right and left wheel units (14, 16) comprising respective right and left steered road wheels (24, 26) are suspended from the frame by respective multi-link suspensions (33). A steering system (28) steers the wheels. An electric motor (34) and gear box (36) mounted on the cross member is coupled to the right and left wheels by respective drive shafts (38, 40). The weight of a brake system (42, 44) for the wheels is supported by the frame.

Abstract: Left and right axle portions are provided for attachment to respective left and right wheels of a vehicle. The left axle portion can be rotatably supported by a left hub support portion, and the right axle portion can be rotatably supported by a right hub support portion. The left and right hub support portions can be movably supported with respect to the frame. Vehicles are also provided.

Abstract: An assembly support has a supporting element which is connected to the vehicle body and has an upper shell with a connected closing plate, and reinforcing bars are arranged in the region of fastening openings between the upper shell and the closing plate. A bridge support is connected to the supporting element, the bridge support is held with free limb ends in bearing eyes of the supporting element, and a bearing spindle for a transmission bearing being arranged between the bearing eyes.

Abstract: Rigidity of a frame of a working vehicle is improved by a simple structure and production costs are reduced by reducing the number of parts of a working vehicle. Pipes 66 are provided on both left and right sides at the center in the front-rear direction of a side frame 62, and each pipe 66 has a rectangular cross-section and penetrates an intermediate partition in the front-rear direction from a mast section 64 up to a transmission section. Tie-down holes are formed in a front face plate 61 to which the front end of a frame 9 is connected, and a plate 64b connected to a side frame 62 is provided at the bottom surface of each mast section 64 protruding outward from the side frame 62. Tanks installed on the working vehicle are suspended from the plate bodies 64b, and a lift arm installation boss provided at each mast section 64 is supported at both ends. A U-shaped reinforcement member 81 connects the upper surface of mast partition plate of a mast section 64 and left and right bosses.

Abstract: A mount assembly (74) for a transmission (78) on a vehicle having at least two frame members (16A, 16B) and a cross member (12) extending substantially between the frame members includes a mounting member (40) that is attached to the cross member. A cradle member (60) is coupled to the mounting member (40) and is configured for attachment to the transmission (78). The cradle member (60) suspends the transmission (78) from a top surface (83) of the transmission.

Abstract: A mounting unit is mounted to the frame cross member of a vehicle. The mounting unit includes a bottom unit which is bolted to the frame cross member and a top unit which is bolted to the transmission/transfer case adapter. The top and bottom units are bolted to one another. The mounting unit allows the motor, transmission, and transfer case to move freely with respect to each other during hard use conditions, including extreme four-wheeling, without damaging the mounting unit.

Abstract: A center section for a crossmember of a vehicle chassis comprises a driveshaft hoop, crossmember attachment areas extending generally from opposing sides thereof, and trailing arm mounts on either side of the driveshaft hoop for attachment of one or more trailing arms to the center section. The crossmember attachment areas have heights that allow attachment of crossmember portions to the center section at offset heights. A method of constructing a crossmember of a vehicle chassis comprises providing a center section having crossmember attachment areas of predetermined heights extending generally from opposite sides of a driveshaft hoop, and attaching crossmember portions within the crossmember attachment areas at heights that are offset from each other.

Abstract: An anti-deflection structure for a chassis of a remote-controlled car includes a board which is added below a central differential gear at a center of a chassis, to strengthen a rigid structure of the chassis. A center of the board is provided with a hollow part for emplacing a gear set of the central differential gear, and an exterior side of the hollow part is provided with a plurality of pivoting holes. The pivoting holes correspond to through-holes on the chassis for locking the central differential gear, thereby locking and fixing the board. In addition, the hollow part is locked at columns of the central differential gear by transfixing screws from bottom to top into the pivoting holes and the through-holes. On the other hand, front and rear ends of the board provide for connection of two support arms, thereby constituting the anti-deflection structure for the chassis.

Abstract: A utility vehicle (100) with ergonomic, safety, and maintenance features is disclosed. The ergonomic, safety, and maintenance features enhance the utility of the vehicle.

Abstract: An axle driving apparatus for a vehicle includes an axle, a vertical pump shaft, a hydraulic pump having a movable swash plate, a pair of trunnion shafts provided coaxially at respective opposite sides of the movable swash plate, a hydraulic motor having a motor shaft drivingly connected to the axle, and a housing containing the hydraulic pump, the hydraulic motor, and the axle. The housing includes a first housing member and a second housing member separably jointed along a vertical plane perpendicular to a rotary axis of the axle. A rotary axis of the hydraulic pump is substantially parallel to the vertical plane. The hydraulic pump is entirely disposed in the first housing member. A rotary axis of the trunnion shafts is substantially perpendicular to the vertical plane.

Abstract: A transaxle includes a housing, a hydraulic pump, a hydraulic motor, an axle supported by the housing and disposed in parallel to a motor shaft of the hydraulic motor, a mechanical drive train including an intermediate gear for mechanically connecting the motor shaft to the axle, a center section, an operation shaft supported by the housing so as to operate a movable swash plate of the hydraulic pump, a speed-control operation lever provided on the outer portion of the operation shaft, and a brake rotor provided on the outer portion of said motor shaft. The operation shaft and the motor shaft extend in parallel and have respective outer portions projecting outward from a side surface of the housing. The center section includes a pump mounting surface and a motor mounting surface which are disposed perpendicular to each other and overlap each other in an axial direction of the axle.

Abstract: In a frame structure of a vehicle that includes a flywheel housing, an intermediate housing and a transmission case that are connected to each other along a longitudinal axis of the vehicle to constitute a vehicle frame, the intermediate housing has a hollow shape with a first end and a second end located along the longitudinal axis of the vehicle, the first end having an abutting surface against which the second end of the flywheel housing abuts, a support surface located radially inwardly of the abutting surface so as to support the forward/rearward movement switching unit, and an opening surrounded by the support surface, the opening serving as a first-end opening of the intermediate housing along the longitudinal axis of the vehicle. The abutting surface and the support surface along the longitudinal axis of the vehicle are located so that at least a portion of the forward/rearward movement switching unit is accommodated within the flywheel housing.

Abstract: A differential mounting structure includes a pipe into which a bushing coupled to the differential is forcibly inserted. The pipe is inserted into a through hole of a cross member and is fixedly attached at one end thereof to a flange. Coupling bolts penetrating the flange are connected to nuts welded to the cross member. When the bushing used for installing the differential to the vehicle body is worn down and can no longer do its job, only the bushing mounting assembly is replaced or repaired in the present invention.

Abstract: The invention relates to a transmission suspension structure for a rear engine vehicle, mainly bus, where the drive engine (3) and the gearbox (4) are built uniaxially to form a rigid transmission unit (2), which has suspension brackets (8, 9) in front and behind the center of gravity of the unit (2), in respect of the geometric axis of rotation of its main axis, the suspension bracket(s) (9) behind the center of gravity is (are) adjoined to the gearbox (4), a further two suspension brackets (8) are adjoined to the lower ends (23) of the two suspension bars (20) holding the transmission, and at the upper ends of the said suspension bars there are flexible adjoining members (21) for linkage to the body of the bus in the vicinity of its right hand side and left hand side walls.

Abstract: An improved suspending and stabilizing structure for a remote control car at least comprises a primary frame and two supporting arms moveably connected to two sides of the primary frame. The primary frame is provided with a holder on the bottom which can be provided with a cover at the front end. Besides, transmission shafts are connected to the primary frame for the installation of wheels. Corresponding holding holes and through holes are provided on the holder and the cover, respectively, while one end of the supporting arms may provided with a recession, on two sides of which are provided with corresponding holes. Threaded holes are provided at the outer sides of the holding holes and through holes, such that a front differential can be fastened thereto by way of screws, thereby the supporting arms can be lengthened to the greatest extent and that when the wheels run on rough roads, the oscillation range of the supporting arms can be reduced, thus enhancing the stability of the traveling vehicle.

Abstract: An axle driving unit having a housing including at least two housing parts joined to each other through a joint surface, at least one of the housing parts including a recess formed in a wall thereof. The axle driving unit further includes a pair of hydraulic devices mounted perpendicular to each other on corresponding mounting surfaces of a center section. The center section further includes a portion extending outwardly parallel to the joint surface, the portion being fitted into the recess of the housing part.

Abstract: A hollow beam for incorporation in an automotive vehicle frame is useful as a transmission cross member extending between side rails of the automotive vehicle frame. The hollow beam has first and second U-shaped channels, each comprising a base wall and a pair of side walls extending transversely from the base wall. The channel members are made of a thermosetting polyester which is reinforced with glass fibers. The side walls of the second channel are received within the sidewalls of the first channel and adhered thereto with epoxy to form a rigid, relatively light weight beam. The beam has figure-8 shaped aluminum inserts proximate the ends thereof for attaching the beam to the side rails of the automotive vehicle frame.

Abstract: A torque arm mounting plate for a differential case housing a differential drive pinion gear. The mounting plate comprises an interface adapted to be circumjacently mounted about the differential drive pinion gear, and a torque arm bracket integral with the interface and spaced apart from the differential drive pinion gear. The torque arm bracket is adapted to fixedly engage one end of a torque arm. The torque arm mounting plate of the present invention provides a common interface between the torque arm and the differential carrier.

Abstract: A crash optimized bracket for removably affixing a propeller shaft to a motor vehicle. The bracket includes an elongated member having a plurality of weakened slots to allow the bracket and the propeller shaft to tear from the vehicle upon impact in a controlled and predictable manner in response to predetermined loads.

Abstract: An axle driving unit having a housing (21, 22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted on a body frame (1) in proximity to the first driving wheel (3L). A speed change transmission (T) is disposed in an enlarged region of the housing that extends substantially perpendicularly with respect to the axles (17, 18). The axle driving unit can thus be easily disposed to the side of a chute (6) of a rear-discharge type lawn tractor.

Abstract: An all-terrain vehicle includes a variable-speed V-belt drive disposed on one side of a crankcase of an engine, a V-belt drive cover covering the variable-speed V-belt drive, a gear transmission of transmitting a power of the engine in cooperation with the variable-speed V-belt drive, and a speed sensing device. The speed sensing device includes a speed sensor of measuring a rotating speed of a member which transmits the power of the engine to the wheels. The speed sensor is disposed right under the V-belt drive cover.

Abstract: An engine for an offroad vehicle including a crankcase, a transversely extending crankshaft, and a transmission connected to the crankshaft. The transmission includes a drive pulley, a driven pulley, and a drive belt connecting the drive pulley and the driven pulley. The driven pulley includes a fixed half and a movable half. A spring is adapted to bias the movable half toward the fixed half. A transmission primary shaft is connected to the drive pulley and is coaxial to the crankshaft. A transmission main shaft is connected to the driven pulley. A transmission case is connected to the crankcase. The crankcase includes a cavity and the transmission case includes an opening that corresponds with the cavity such that the main shaft extends through the cavity and the opening. The spring is at least partially positioned within the cavity.