Abstract: An engine compartment accommodates an engine. A cooling device is configured to cool the engine. A cooling compartment accommodates the cooling device. A division wall is disposed between the engine compartment and the cooling compartment. A ventilation portion includes a hole for permitting air to pass therethrough and is provided on a top surface of the engine compartment. A water receiving member is disposed under the ventilation portion within the engine compartment. A water catchment member is disposed in the cooling compartment and catches water received by the water receiving member. A drainage pathway is connected to the water catchment member and leads the water to a predetermined drainage position.

Abstract: A vehicle body cover of a work vehicle is provided with an outside ventilation cover part and an inside ventilation cover part. The outside ventilation cover part has outside ventilation holes that communicate with an external space. The outside ventilation cover part is disposed in an inclined manner with respect to the vertical direction. The inside ventilation cover part is disposed to face the outside ventilation holes on the inside of the outside ventilation cover part. The inside ventilation cover part has a rain gutter part and a ventilation part. The rain gutter part is configured to receive water entering from the outside ventilation holes. The ventilation part has inside ventilation holes that communicate with a space on the inside of the inside ventilation cover part. The ventilation part is disposed above the rain gutter part.

Abstract: A supporting mechanism supports a first and second exhaust treatment devices for treating exhaust gas from an engine and is provided with a base member, a first supporting member, and a second supporting member. The base member includes first and second connecting parts, and first and second pipe members. The base member supports the first and second exhaust treatment devices. The first supporting member supports one side of the base member. The second supporting member supports the other side of the base member. The first connecting part is joined with the first supporting member. The second connecting part is joined with the second supporting member. The first and second pipe members are disposed side by side on a common horizontal plane. An opening section is formed by the edges of the first pipe member, the second pipe member, the first connecting part, and the second connecting part.

Abstract: A vehicle body cover of a work vehicle is provided with an outside ventilation cover part and an inside ventilation cover part. The outside ventilation cover part has outside ventilation holes that communicate with an external space. The outside ventilation cover part is disposed in an inclined manner with respect to the vertical direction. The inside ventilation cover part is disposed to face the outside ventilation holes on the inside of the outside ventilation cover part. The inside ventilation cover part has a rain gutter part and a ventilation part. The rain gutter part is configured to receive water entering from the outside ventilation holes. The ventilation part has inside ventilation holes that communicate with a space on the inside of the inside ventilation cover part. The ventilation part is disposed above the rain gutter part.

Abstract: An engine room is disposed rearward of a cab. An engine is disposed inside the engine room. A first exhaust processing device and a second exhaust processing device are disposed over the engine. An air cleaner is disposed in the engine room in front of the first exhaust processing device and the second exhaust processing device. A tank is disposed between the cab and the air cleaner in the vehicle front-back direction. A rear surface of the tank has a lower rear surface part and an upper rear surface part. The upper rear surface part is disposed above the lower rear surface part and is positioned forward of the lower rear surface part. At least a portion of the air cleaner is disposed facing the upper rear surface part.

Abstract: A wheel loader includes an engine, an engine compartment, an injection device, a top plate and a first guide member. The injection device is disposed in the engine compartment. The top plate has a ventilation part. The ventilation part is disposed in a position horizontally away from the injection device. The first guide member has a guide body. The guide body is disposed along the top plate to direct air existing over the injection device to the ventilation part.

Abstract: An engine room is disposed rearward of a cab. An engine is disposed inside the engine room. A first exhaust processing device and a second exhaust processing device are disposed over the engine. An air cleaner is disposed in the engine room in front of the first exhaust processing device and the second exhaust processing device. A tank is disposed between the cab and the air cleaner in the vehicle front-back direction. A rear surface of the tank has a lower rear surface part and an upper rear surface part. The upper rear surface part is disposed above the lower rear surface part and is positioned forward of the lower rear surface part. At least a portion of the air cleaner is disposed facing the upper rear surface part.

Abstract: A supporting mechanism supports first and second exhaust treatment devices for treating exhaust gas from an engine, and includes a sub-bracket, a base bracket, and first and second supporting members. The base bracket includes first and second connecting parts, and first and second pipe members. The sub-bracket supports the first and second exhaust treatment devices. The base bracket supports the sub-bracket. The first and second supporting members respectively support one side and the other side of the base bracket. The first and second connecting parts are respectively joined to the first and second supporting members. The first and second pipe members are installed between the first and second connecting parts. The sub-bracket is attached to the first and second pipe members, extends in the lateral direction of the first and second pipe members, and is separated from the first and second connecting parts.

Abstract: A supporting mechanism supports a first and second exhaust treatment devices for treating exhaust gas from an engine and is provided with a base member, a first supporting member, and a second supporting member. The base member includes first and second connecting parts, and first and second pipe members. The base member supports the first and second exhaust treatment devices. The first supporting member supports one side of the base member. The second supporting member supports the other side of the base member. The first connecting part is joined with the first supporting member. The second connecting part is joined with the second supporting member. The first and second pipe members are disposed side by side on a common horizontal plane. An opening section is formed by the edges of the first pipe member, the second pipe member, the first connecting part, and the second connecting part.

Abstract: A supporting mechanism supports first and second exhaust treatment devices for treating exhaust gas from an engine, and includes a sub-bracket, a base bracket, and first and second supporting members. The base bracket includes first and second connecting parts, and first and second pipe members. The sub-bracket supports the first and second exhaust treatment devices. The base bracket supports the sub-bracket. The first and second supporting members respectively support one side and the other side of the base bracket. The first and second connecting parts are respectively joined to the first and second supporting members. The first and second pipe members are installed between the first and second connecting parts. The sub-bracket is attached to the first and second pipe members, extends in the lateral direction of the first and second pipe members, and is separated from the first and second connecting parts.

Abstract: A supporting mechanism supports a first and a second exhaust treatment devices for treating exhaust gas from an engine and is provided with a base member, a first supporting member, and a second supporting member. The base member includes a first and second connecting parts, and a first and a second pipe members. The base member supports the first and second exhaust treatment devices. The first supporting member supports one side of the base member. The second supporting member supports the other side of the base member. The first connecting part is joined with the first supporting member. The second connecting part is joined with the second supporting member. The first and the second pipe members are disposed side by side on a common horizontal plane. An opening section is formed by the edges of the first pipe member, the second pipe member, the first connecting part, and the second connecting part.

Abstract: A cab includes a side panel, an operator seat, a rear panel and a utility base. The utility base includes: a base main body having a placement surface; and a front wall formed along a front side of the placement surface. The base main body has a cut-out portion formed in a front side corner thereof adjacent to an entrance in a plan view of the placement surface. The front wall has a stepped portion formed along the cut-out portion in a side view of the base main body.

Abstract: A cab includes a driver's seat for an operator to sit and an air conditioner in its internal space. A floor plate forming the floor includes a tapered portion on a front side with respect to an operator sitting on the driver's seat and a rectangular portion on a rear side with respect to the operator as seen in a plan view, and the tapered portion is in a tapered trapezoidal shape having two parallel sides and a dimension in a width direction decreasing frontward. A through hole is formed in the floor plate of a region of the tapered portion and connects the internal space of the cab and an external space of the cab to each other. Accordingly, the pressure in the cab can effectively be reduced.

Abstract: A cab frame (14) is supported on brackets (12, 13) provided at a plurality of positions of a vehicle body frame (11) with dampers (15). Movement limiting mechanisms (30) for limiting a movement at least in a vertical direction of the cab frame (14) are provided between the brackets (12, 13) and the cab frame (14). Further, the movement limiting mechanisms (30) are provided at least at two positions. Each movement limiting mechanism (30) includes a lower limiting portion (31) arranged close to the brackets (12, 13) and constituted by a plate member, and an upper limiting portion (32) arranged close to the cab frame (14) and constituted by a plate member in the same manner. The lower limiting portion (31) is integrally structured with the brackets (12, 13). Recesses (33, 34) are formed in a side edge of at least one of the lower limiting portion (31) and the upper limiting portion (32), and the limiting portion in the other limiting portion is positioned within the recesses (33, 34).

Abstract: A cab includes a driver's seat for an operator to sit and an air conditioner in its internal space. A floor plate forming the floor includes a tapered portion on a front side with respect to an operator sitting on the driver's seat and a rectangular portion on a rear side with respect to the operator as seen in a plan view, and the tapered portion is in a tapered trapezoidal shape having two parallel sides and a dimension in a width direction decreasing frontward. A through hole is formed in the floor plate of a region of the tapered portion and connects the internal space of the cab and an external space of the cab to each other. Accordingly, the pressure in the cab can effectively be reduced.

Abstract: A cab includes a side panel, an operator seat, a rear panel and a utility base. The utility base includes: a base main body having a placement surface; and a front wall formed along a front side of the placement surface. The base main body has a cut-out portion formed in a front side corner thereof adjacent to an entrance in a plan view of the placement surface. The front wall has a stepped portion formed along the cut-out portion in a side view of the base main body.

Abstract: A wheel loader includes a rear frame having left and right plate-shaped main beams. A reinforcing bracket is provided at an upper position substantially in a middle of a front-and-rear direction of the rear frame, and the reinforcing bracket bridges between the main beams. A substantially middle position of the rear frame exhibits a closed-section structure that includes the reinforcing bracket. The closed-section structure at the main beams specifically includes an axle support, a reinforcing plate, a reinforcing rib and the reinforcing bracket in the order from a lower side to an upper side.

Abstract: A cab reinforcement structure for reinforcing a cab by a gusset disposed in a corner at which a right rear pillar and a hollow rear lateral beam member joined to the right rear pillar meet each other is formed such that a gusset retaining member for sustaining a load from a gusset side is disposed within the rear lateral beam member in relation to the rear lateral beam member side end of the gusset and the gusset retaining member is composed of a plate-like member for blocking up the inside of the rear lateral beam member at a position corresponding to the rear lateral beam member side end of the gusset.

Abstract: A roof panel of a cab installed on a work vehicle includes a planar portion and a plurality of bent portions. The planar portion serves as the roof surface of the work vehicle cab. The bent portions are formed on the outer periphery of the planar portion. The bent portions are bent at a predetermined angle with respect to the planar portion toward an external side of the roof surface of the work vehicle cab.

Abstract: A rear limiting mechanism (35) for limiting a moving range in a vertical direction, a front-rear direction and a lateral direction of the cab frame (24) is arranged immediately below a rear pillar (30) of the cab frame, between the vehicle body frame (21) and both right and left end portions of the higher portion of the cab frame (24). The rear limiting mechanism (35) includes a limitation member (36), limiting members (37, 38) and a limiting pin (40). Gaps (S1a, S1b) are provided between the limiting pin (40) and the limitation member (36), gaps (S2a, S2b) are provided between the limitation member (36), and the front limiting member (37) and the rear limiting member (38). Gaps (S3a, S3b) are provided between the limiting pin (40) and the limitation member (36). A movement of the cab frame (24) is limited within the ranges of the gaps.