Abstract: Crawl operations for four-wheel steering vehicles are described herein. An example vehicle described herein includes four wheels, a front steering actuator to turn the front wheels, a rear steering actuator to turn the rear wheels, a front drive motor to drive the front wheels, and a rear drive motor to drive the rear wheels. The vehicle also includes an electronic control unit (ECU) to activate the front steering actuator to turn the front wheels in a first direction, activate the rear steering actuator to turn the rear wheels in a second direction opposite the first direction such that the front wheels and the rear wheels are turned in opposite directions, activate the front drive motor to drive the front wheels in a reverse direction, and activate the rear drive motor to drive the rear wheels in a forward direction while the front wheels are driven in the reverse direction.

Abstract: An attachment for a host vehicle includes an attachment plate configured to attach to the host vehicle and a boom coupled to the attachment plate by way of a pivot hinge and a lift hinge. A pivot actuator is coupled to the attachment plate and to the boom and configured to horizontally transition the boom about the pivot hinge, and a lift actuator is coupled to the attachment plate and to the boom and configured to vertically transition the boom about the lift hinge.

Abstract: A skid steer rolling compactor attachment may include a universal attachment plate configured to attach to the skid steer. A boom includes a first end coupled to the attachment plate via a pivot hinge and a lift hinge. A hydraulic lift cylinder is coupled to the attachment plate and the boom in order to move the boom about the lift hinge, and a hydraulic pivot cylinder is coupled to the attachment plate and the boom in order to move the boom about the pivot hinge. A roller is attached to a second end of the boom via a tilt hinge and a twist hinge. A hydraulic tilt cylinder is coupled to the roller and the boom in order to move the roller about the tilt hinge, and a hydraulic twist cylinder is coupled to the roller and the boom in order to move the roller about the twist hinge.

Abstract: A skid steer rolling compactor attachment may include a universal attachment plate configured to attach to the skid steer. A boom extending from the attachment plate may pivot about at least one articulating hinge attached to the boom. The boom may be configured to move a roller to compact a ground surface as the skid steer travels in a forward direction. In order to prevent roll-overs on uneven surfaces, the skid steer may be operated on a level surface and articulate the boom such that the roller contacts the ground parallel to the direction of travel. The skid steer may then compact inclined surfaces while travelling on level surfaces thus improving worker safety.

Abstract: A work vehicle includes: a body; a boom which is supported by the body and is turned; a bucket which is supported by a side of the boom opposite to a side of the body and is turned; a boom driving part which turns the boom; a bucket driving part which turns the bucket; a lifting force detector which detects lifting force as force that the boom driving part receives from the boom; and a control device which starts a tilt operation of the bucket when a predetermined condition is established, and ends the tilt operation on the basis of an amount of increase of the lifting force from a time when the tilt operation is started.

Abstract: Disclosed is a position control apparatus for a working machine of a construction machinery, including: a boom driving unit for driving a boom; a bucket driving unit for driving a bucket; a working tool manipulating part for generating a manipulation signal for driving the boom driving unit and the bucket driving unit; a kick-down switch for generating a kick-down signal for lowering a gear stage; and a controller for, if the kick-down signal is generated by the kick-down switch and the manipulation signal is generated by the working tool manipulating part, outputting a control signal to the boom driving unit and the bucket driving unit to move the boom and the bucket to a preset position.

Abstract: A mounting assembly (6) for mounting a bulldozer blade (2) to a vehicle (4) is disclosed. The assembly comprises a lower link (8) adapted to be mounted to a vehicle, a pair of first actuators (16, 18) adapted to be pivotably mounted to the blade, and to a pair of link plates (24, 26) via respective pin joints (28, 30), and a pair of second actuators (36, 38) adapted to adjust the position of respective pin joints (28, 30) relative to the lower link to adjust the orientation of the blade relative to the vehicle.

Abstract: A mount assembly is provided that allows for interconnecting an implement (e.g., snow plow, rotary brush etc.) to the front end of a vehicle while permitting that implement to move laterally relative to the front end of the vehicle.

Abstract: In a rotation control device for rotating a rotation motor at speed in accordance with a boom raising operation amount, at the time of a combined operation for simultaneously performing a rotation action and a boom raising action, a limitation value of rotation torque in accordance with the boom raising operation amount is determined by rotation torque limitation value setting means of a controller, the limitation value serving as a rotation torque limitation value is sent to rotation speed control means, and a command value of the rotation torque is torque-limited by rotation torque limiting means.

Abstract: A blade control system of the present invention includes an angle obtaining part, an open ratio setting part and a lift cylinder controlling part. The angle obtaining part is configured to obtain an angle of a lift frame with respect to a designed surface. The open ratio setting part is configured to set an open ratio based on the angle. The lift cylinder controlling part is configured to open a proportional control valve at the open ratio for elevating the blade when a distance between the designed surface and an edge of a blade is determined to be less than or equal to a threshold.

Abstract: An assembly of a mounting component (1) for operating a linkage on an agricultural vehicle and a reservoir (10) for storing at least one fluid, wherein the mounting component is a unitary body having an internal cavity adapted to receive the reservoir. Suitably the reservoir is removable from the component and provides a reserve for hydraulic oil, windscreen cleaning fluid, or pressurised air.

Abstract: A three-point hitch mountable to the front frame of an agricultural tractor includes a main backing member, an upper hitch-point anchor bracket having four sets of securing pin anchoring positions that is welded to the main backing member, a pair of spaced-apart pivot anchors welded to the main backing member, an A-frame assembly pivotably installed between the pivot anchors, and a hydraulic cylinder which raises and lowers the A-frame assembly operably coupled to one of the middle sets of pin anchoring positions and the A-frame assembly. An implement can be connected to the upper-most anchoring position and the distal ends of the A-frame assembly. The three-point hitch can be converted to a ball hitch by re-pinning the hydraulic cylinder to the uppermost anchoring position, raising the A-frame assembly about ninety degrees and pinning it to the anchor bracket.

Abstract: A mount for carrying a plurality of field-conditioning implements selected from trash whipping implements, rolling baskets and coulters for connection to a planter or other multi-row implement is disclosed. A height and force adjustable mounting system is also disclosed that enables the force of such an implement on the soil to be modulated as desired.

Abstract: The combination of a rolling basket tillage implement and a seed distribution implement is disclosed. A height-adjustable mounting system for a rolling basket soil tillage implement is also disclosed for use with a planter that enables such an implement to be raised above the soil as needed to avoid wet conditions.

Abstract: A forward mount is disclosed which is secured to the frame of an off-road vehicle to enable the rearward ends of a push-tube assembly to be secured thereto. The forward mount of this invention may be attached to the main frame of off-road vehicles of different manufacturers in various ways.

Abstract: The combination of a rolling basket tillage implement and a seed distribution implement is disclosed. A height-adjustable mounting system for a rolling basket soil tillage implement is also disclosed for use with a planter that enables such an implement to be raised above the soil as needed to avoid wet conditions.

Abstract: A tractor plow blade is selectively removably mounted on the forward end of the tractor by an attachment frame. The attachment frame is secured to a weight bracket or mount mounted on the forward end of the tractor and to the underside of the tractor. The plow blade may be raised or lowered with respect to the weight bracket and may be optionally pivoted about a vertical axis with respect to the tractor.

Abstract: A three-point hitch mountable to the front frame of an agricultural tractor includes a main backing member, an upper hitch-point anchor bracket having four sets of securing pin anchoring positions that is welded to the main backing member, a pair of spaced-apart pivot anchors welded to the main backing member, an A-frame assembly pivotably installed between the pivot anchors, and a hydraulic cylinder which raises and lowers the A-frame assembly operably coupled to one of the middle sets of pin anchoring positions and the A-frame assembly. An implement can be connected to the upper-most anchoring position and the distal ends of the A-frame assembly. The three-point hitch can be converted to a ball hitch by re-pinning the hydraulic cylinder to the uppermost anchoring position, raising the A-frame assembly about ninety degrees and pinning it to the anchor bracket.

Abstract: Aspects of the present disclosure provide an armored helmet assembly that is fully or completely assembled and quickly mounted onto a host vehicle to form a military vehicle. The armored helmet assembly provides protection, weapons, cameras, and other equipment for the driver. When desired, the armored helmet assembly in a completely assembled state is unlocked and removed from the host vehicle. The host vehicle is typically a construction vehicle and useful as such. In some embodiments, a weapons platform assembly is mounted on the armored helmet assembly. Other embodiments include one or more of an expandable battle shield, a front end container for storage of equipment or weapons, and a command surveillance module. In certain embodiments, in addition to the armored helmet assembly, a lower armored assembly in a completely assembled state is mounted onto a lower portion of the host vehicle.

Abstract: The present device is generally a stabilizer bracket for small to mid-sized skid steer vehicles used to grade earth using a dozer blade in conjunction with remote grade control equipment (such as laser automation or other automated leveling system). The device is most suited to skid steer vehicles capable of using a variety of interchangeable front end accessories in addition to a dozer blade.

Abstract: A universal front and rear equipment mount for an ATV includes a telescoping central frame member with telescoping front and rear mounting arms extending therefrom for connection to independent axle structures of the ATV, front and rear angled hitch brackets, each with upturned tabs having aligned holes to receive a hitch pin, and front and rear angled pulley brackets having pulleys mounted thereon for routing a winch cable of a winch mounted either on the front or rear of the vehicle or on the front or rear pulley brackets. An implement can be hitched either to the front or rear hitch bracket, and the implement can be raised or lowered by use of the winch, which has its cable routed over selected pulleys and connected to a hitch tongue or other part of the implement.

Abstract: A snow plow including a quick connect/disconnect hitch. The snow plow includes a hitch frame nose assembly configured to couple to a vehicle. The hitch frame nose assembly includes a chassis coupler secured at each end of a hitch frame tube with each chassis coupler including a traverse pin. A plow frame is included with the plow frame having a front portion and a rear portion. A plow blade is coupled to the front portion of the plow frame. A lift bar assembly is coupled to the rear portion of the plow frame. A lift bar assembly includes a pair of notched members with each notch member aligned with a corresponding chassis coupler of the hitch frame nose assembly. Each of the notched members is configured to engage the traverse pin in each of the chassis couplers, wherein the snow plow is pivotally coupled to the vehicle.

Abstract: An adapter frame for installation of a front and an accessory implement, such as a snowplow blade and a sidewing, on a vehicle having a coupling plate is disclosed. The adapter frame has a frame structure. The adapter frame also comprises a hitch coupling mechanism for removably coupling the adapter frame to the vehicle coupling plate. The adapter frame further comprises a front implement coupling receptacle mechanism for removably receiving a corresponding coupling mechanism arranged on a front implement support frame attached to a rear portion of the front implement, the front implement support frame coupling mechanism being adapted to be removably coupled to the vehicle coupling plate. The adapter frame also comprises an accessory implement coupling mechanism for removably coupling the adapter frame to the accessory implement. The adapter frame increases the implement reconfiguration capability of the vehicle. A method for installing the adapter frame is also disclosed.

Abstract: A push frame is provided for interconnecting an undercarriage of a tractor of a work vehicle and a blade of the work vehicle. The push frame comprises a first push-beam, a second push-beam, a first cross-beam, a second cross-beam, and a center joint. The first and second push-beams are spaced apart to be positioned on laterally opposite sides of the undercarriage relative to a fore-aft axis of the push frame. The first and second cross-beams are fixed respectively to the first and second push-beams laterally outwardly relative to the fore-aft axis and are attached to one another laterally inwardly relative to the fore-aft axis by the center joint of the push frame allowing relative movement between the first and second cross-beams. At least one of the first and second cross-beams varies in height.

Abstract: A universal front and rear equipment mount for an ATV includes a telescoping central frame member with telescoping front and rear mounting arms extending therefrom for connection to independent axle structures of the ATV, front and rear angled hitch brackets, each with upturned tabs having aligned holes to receive a hitch pin, and front and rear angled pulley brackets having pulleys mounted thereon for routing a winch cable of a winch mounted either on the front or rear of the vehicle or on the front or rear pulley brackets. An implement can be hitched either to the front or rear hitch bracket, and the implement can be raised or lowered by use of the winch, which has its cable routed over selected pulleys and connected to a hitch tongue or other part of the implement.

Abstract: A snow plow including a quick connect/disconnect hitch. The snow plow includes a hitch frame nose assembly configured to couple to a vehicle. The hitch frame nose assembly includes a chassis coupler secured at each end of a hitch frame tube with each chassis coupler including a traverse pin. A plow frame is included with the plow frame having a front portion and a rear portion. A plow blade is coupled to the front portion of the plow frame. A lift bar assembly is coupled to the rear portion of the plow frame. A lift bar assembly includes a pair of notched members with each notch member aligned with a corresponding chassis coupler of the hitch frame nose assembly. Each of the notched members is configured to engage the traverse pin in each of the chassis couplers, wherein the snow plow is pivotally coupled to the vehicle.

Abstract: A road grader comprising an elongated grader blade adapted to be pushed by a vehicle such as a bulldozer and having mutually parallel side members attached to the lateral ends of the blade perpendicularly to the blade's longitudinal axis, each of said side members comprising a pair of spaced apart walls that house a slidable mounting plate on the lower end of which is attached a ground contacting skid. Each slidable mounting plate is separately actuated to move upwardly or downwardly with respect to the side member in which it is housed. Relative upward or downward movement of the side member, with respect to the ground contacting skid, results in lowering or elevating the respective ends of the grader blade with respect to the level of the respective ground contacting skid. Separately adjusting the height of the lateral ends of the grader blade and driving the blade by a pushing vehicle permits the precision depth application of a layer of road material at any desired angle or tilt.

Abstract: An articulated dozer with a four point independent suspension system between a chassis and two support frames is described. The chassis includes a front chassis portion and a rear chassis portion connected by an articulation joint. The vehicle is compactly arrange so that the chassis and the two support frames fit between the track systems supporting and propelling the vehicle. Additionally, the engine is arranged near the articulation joint and lower than the top of the track systems for improved view and visibility. The cab is arranged over the track systems at the front of the vehicle for an optimal view of the blade.

Abstract: A convertible box blade uses hydraulic or manual power to open from the standard box plow into an open V configuration to fill in ditches with a single pass or build terraces or levees. Possible options installed on the V blade include ripper blades to rip up the soil to move or grade, or a landscape rake mounted behind the blade used for finish work.

Abstract: A frame for a work machine includes first and second wall portions having an axially aligned bore positioned therein. A boom is positioned between the first and second wall portions and has a bore that is alignable with the bores in the first and second wall portions. A first insert is disposed within the bore of the first wall portion of the frame and a second insert disposed within the bore of the second wall portion of the frame with each insert having a bore therethrough. A pin cartridge assembly is positioned in the bores of the first and second inserts and the boom. The pin cartridge assembly includes a pin having first and second end portions and an outer surface. A first collar having a through bore and a counter bore at one end, the collar is disposed about the outer surface of the pin. A second collar having through bore and a counter bore at one end, the collar is disposed about the outer surface of the pin. A bushing has a stepped bore that is rotatably disposed about the outer surface of the pin.

Abstract: A flexible bag for receiving flowable material is suspended, as from a gantry, and is tethered transversely and yet has substantially free movement along three sides for complete filling. The length of the tethers may be selected to prevent complete collapse of the bag when empty, and tubular perforated members having an “H” configuration within the bag may be provided for this purpose. Auxiliary structures provide for cooling of materials provided to the bag, their diffusion on inlet to the bag, their recirculation in the bag, and their removal from the bag. Accessories for use with wet gas provide for separation of inlet liquid and drainage of condensate within the bag.

Abstract: A slopeboard mounting device having a rigid shaft that is attachable near a first end to a slopeboard frame and having near a second end a mechanism for indicating the desired location of a mounting lug. The rigid shaft has such a shape and size that the indicating mechanism is maintained at a desired position with respect to the first end of the rigid shaft which is the same position as is desired for a lug pivot point to have with respect to the slopeboard frame. And, preferably, the shape and dimensions of the rigid shaft are selected such that any obstructions are avoided by such rigid shaft.

Abstract: The invention provides a method and an apparatus for controlling angles of a working machine, which even unskilled operators can easily and efficiently perform in excavation and loading operation.

Abstract: Disclosed is a cultivator mounted to roll about a horizontal axis transverse to the direction of travel of the machine in combination with a hopper. The cultivator and hopper are mounted on a frame which is adapted to be connected to a three-point hitch of a tractor. The cultivator is connected to the frame under and behind the hopper and by a pivotal shaft which interconnects bearings confined fore and aft by U-profiles. The cutivator is thus tiltable within limits relative to the frame and hopper and is also turnable within limits so that the cultivator turns with the tractor. It also provides support for the hopper. A centrifugal air pump is mounted on the hopper which, via a pair of venturi-type devices, draw in granular material, such as seed, from the hopper for distributing same on the soil, the hopper having a pair of metering devices which meter granular material received by the venturi-devices.

Abstract: A method for increasing effectiveness of mine clearance when clearing landmines. A vehicle-mounted, mechanically driven, rotary cultivator type demining tool is provided. The demining tool includes a horizontal shaft, a demining unit rotating around the horizontal shaft, a plurality of parallel demining discs located at a distance from each other and rotating around the shaft which when the demining tool is in operation cut down into an upper ground layer to a pre-determined depth to cause mines in their path to detonate or to fragment into harmless fragments, and impact devices located between the demining discs for working the upper ground layer between the demining discs such that the impact devices impact with the upper ground layer between each pair of demining discs several times per rotation of the demining tool. An upper ground layer where mines may be deployed is worked with the demining tool.

Abstract: An implement mounting arrangement for a work machine providing simplified, independent lift-roll and pitch-yaw operability.

Abstract: An accessory that can be attached to any of a variety of heavy machinery such as bulldozers, backhoes, tractors, etc, is used for a final grading and leveling pass and is comprised of, a grating having a lattice arrangement with a "V" pattern and a set of springs disposed at each side of a hydraulic piston which controls the level of the grating.

Abstract: A tool for attachment to the end of the articulated arm of a backhoe or other power shovel is disclosed. The tool provides a forwardly directed blade; i.e. a blade directed away from the tractor unit of the power shovel. The blade is usable to excavate soil from under a buried pipeline, and allows an operator to see the blade while in use. The blade of the invention is substantially planar in structure, and is formed from a larger flat bottom plate welded to a smaller flat top plate. The tool additionally provides left and right ears, each ear having an upper and a lower pin hole for attachment to the end of the articulated arm. Each pin hole provides a reinforcing collar. Braces reinforce the connection between the blade and the ears.

Abstract: The invention is the combination of a motor powered garden tiller connected to a separate motor driven chassis which includes a seat for an operator to control the tiller. The speed of the tiller is controlled by and through the articulated coupler between the tiller and the chassis.

Abstract: An earth moving machine attachment is disclosed comprising a plurality of disk units mounted to a disk unit mounting beam which is fixed to a beam pushing frame for pivotally coupling to a dozer or tractor C frame. The beam pushing frame is angled obtusely in a clockwise or counterclockwise direction from the direction of push by a pair of reciprocal operating hydraulic cylinders to grade the earth materials to one side or the other of the C frame. The disk unit mounting beam and attached disk units are hingedly connected to a parallel offset shaft of the beam pushing frame for tilting the disk blades to provide restricted floatation on the earth materials. A sliding feature of the hinged connection between the disk unit mounting beam and the beam pushing frame accommodates hydraulic power means of shifting the load relative to the pushing axis of the earth moving machine.

Abstract: A front folding tool carrier bar for agricultural applications includes a frame having opposite sides and having ground-engaging wheels mounter thereon. Mounted on the frame is a device for coupling the frame to a vehicle. Also mounted on the frame are a pair of forwardly folding wing bars having first and second ends, each of the first ends pivotally mounted on the frame such that the wing bars may pivot about a substantially vertical pivot axis between a forwardly folding transport position and a transversely extended working position. Each wing bar is pivotally mounted at opposite sides of the frame. For securing the wing bars in transversely extended working position, a pair of outrigger braces extend outwardly from the frame and are connected to opposite wing bars whereby the wing bars may be braced in working position. Mounted on each wing bar is at least one ground-engaging wheel. Finally, a device for pivoting the wing bars between the transport position and the working position is provided.

Abstract: Planting mounds for afforestation purposes and the like are formed by an apparatus wherein a device having at least one mound-forming and compacting body is provided on a movable support arm or boom of a carrier vehicle adapted to be driven along the ground. The body has an elongate, longitudinally concave soil-pushing front surface of shape and dimensions suitable to define the upper surface of a planting mound, and preferably has digging teeth or the like at its lower forward edge. The body is supported for pivotal movement relative to the arm or boom and may be pivoted by a piston-cylinder assembly or the like. For mound formation, the body is placed in a digging position with the soil-pushing surface facing in a first direction substantially parallel to the ground.

Abstract: A three point hitch mounted on the rear of a pick up truck has a pair of lift draft arms connected to a hay bale carrier. Pivot connections having upright pivot pins attach the lift draft arms to a transverse shaft allowing the lift draft arms to be folded adjacent each other below the rear bumper of the truck. Crank arms secured to opposite end of the shaft are connected to hydraulic piston and cylinder assemblies. The piston and cylinder assemblies are operable to rotate the shaft to selectively raise and lower the lift draft arms and bale carrier mounted thereon.

Abstract: An implement adapted for connection to a vehicle three point hitch on the front of a pushing vehicle wherein the implement is provided with at least one forward ground contacting rolling support means mounted to a forward portion of the implement frame, at least one rear ground contacting rolling support means mounted to a rear portion of the implement frame, and a rear upper implement hitch connection which provides a vertically pivotal and longitudinally floating link means. The implement and hitch connection of this invention provides an implement capable of being pushed by a vehicle over uneven terrain while providing implement treatment at a predetermined even distance above the uneven terrain.

Abstract: Improved tractor frontal three-point connection apparatus with lower links attached to the front bolster at a pivot axis behind the front panelling of the tractor housing and pivotable to positions behind such panelling, the lower links having rear extensions acted on by lower ends of substantially vertical hydraulic cylinders to pivot the lower links to a substantially vertical orientation, thereby facilitating movement of lower links to inoperative positions over the front axles. Preferred embodiments include a tubular rock shaft rotatably mounted on the front bolster and having rearwardly extending cylinder-attachment lugs, opposite ends removably receiving journals of the lower links, and pocket members at each end receiving and interacting with the rear extensions of the lower links.

Abstract: An implement lift system for a machine such as a front mouted mower having a pair of transversely spaced lift arms operable by a single life cylinder. The lift cylinder is transversely adjustable utilizing a special cylinder bracket arrangement and a transverse member extending between bend locations on the lift arms forwardly of the pivotal connections of the lift arms with the vehicle. The transverse member is connected to provide lift to both arms from the single cylinder while permitting independent vertical movement of each of the arms. Compensation for unequal forces acting on the lift arms can be provided by moving the cylinder laterally to achieve even lift and flotation characteristics.

Abstract: Implements designed for attachment to a lawn and garden tractor include elongate attaching frames having the implement tool connected to first ends of the frames and transport wheels located so that the weight of the implement is distributed approximately half on opposite sides of the wheel axes so that the implement may be easily pushed about on the wheels during mounting and dismounting the implement to and from the tractor frame. Attachment brackets and lift links of the implements are engageable with attachment pins and lift crank arms of the tractor without necessitating any lifting of the implement. Also with driven implements, the drive belts are arranged on or stored with the implements so that the tractor drive may be easily and correctly connected.

Abstract: A three point or other hitch for use in conjunction with a tractor, preferably for mounting onto its front end, a pair of side plates permanently mount onto the front side edges of the tractor, each side plate incorporating shaped cradles for holding the hitch thereto. The hitch incorporates laterally extending trunions for mounting onto the side plates, and the lift arms of the hitch have a stabilizing plate arranged intermediate thereof, in order to provide enhanced support. Each lift arm incorporates a clamp, at their frontal ends, with each clamp incorporating a support for holding a draw pin, and a dog associated with each clamp for locking the pin into position, but which can be manipulated by a cam for holding the respective dogs out of their locking position, so that any implement can be freed therefrom.

Abstract: An implement attachment for the front end of a tractor comprises a tractor frame having transporting wheels and a frame device fixedly carried by the tractor frame, which extends parallel to the direction of transport. The frame device projects forwardly beyond the front end of the tractor. An actuating linkage movably carried by the tractor and also projects forwardly thereof and in combination with the frame device carries a three point hitch, one of the three points being on the linkage and the other two being on the frame device. The two hitch points are horizontally spaced transversely of the tractor and the one hitch point is disposed above such two hitch points. A conventional three point hitch can be connected to the three hitch points and manipulated by means of the actuating linkage.

Abstract: A farm implement adapted to be coupled to the front of conventional tractors for pre-cutting or scalping old levees. A rigid, box-like frame is secured generally transversely upon the front of the tractor. The frame supports an elongated, rigid channel mount extending generally perpendicularly with respect thereto. An elongated, rigid stanchion may be coupled to the channel mount to elevate a first hydraulic cylinder attachment point at a desired elevation above ground. A plow assembly includes a pair of rotatable, angularly disposed forwardly projecting cutting discs rotatably secured to a central frame, and an elongated rigidly upwardly extending strut terminating at its top in a second point for connection with a hydraulic cylinder. Rigid strut guide means are secured about the channel mount at a desired elevation, sandwiching the stanchion therewithin.