Abstract: A work vehicle includes a cab frame and a vehicle body frame having a vehicle body front portion and a vehicle body rear portion. The vehicle body rear portion includes an upper support frame, and a first support base provided on the upper support frame in a height direction. The first support base supports the cab frame rotatably about a cab rotational axis extending in the width direction. A cover is attached to the cab frame to cover a space provided above the upper support frame in the height direction when the cab frame is mounted on the vehicle body front portion. A first dust intrusion prevention mechanism is configured to overlap with a gap defined by the cab frame, the upper support frame, the first support base, and the cover when viewed in the width direction when the cab frame is mounted on the vehicle body front portion.

Abstract: A working machine includes a machine body, an engine provided on the machine body, a radiator to cool a coolant supplied to the engine, a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body, and a second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction.

Abstract: A fan structure is provided with a fan, a fan support, a base, and a motor. The fan is provided with a rotational shaft rotatable about a rotational shaft, and a blade coupled to the rotational shaft to rotate about the rotational axis together with the rotational shaft. The fan support rotatably supports the rotational shaft. The base slidably supports the fan support so as to be slidable in the sliding direction. The motor includes a motor main body supported by a fan support opposite to the rotational shaft of the fan in the axial direction along the rotational axis, and a motor rotational shaft connected to the rotational shaft so as to rotate the rotational shaft.

Abstract: A tool magazine as a conveyance device includes a first conveyance unit that conveys a plurality of tools along a first route, a second conveyance unit that conveys a plurality of tools along a second route, and a cover body. A first opening used to attach and detach the tool in a first section of first route and a second opening used to attach and detach the tool a third section of second route are provided in cover body. A second section of first route is located between first section of first route and second conveyance unit in a direction in which first conveyance unit and second conveyance unit are arranged. A fourth section of second route is located between third section of second route and first conveyance unit in the direction in which first conveyance unit and second conveyance unit are arranged.

Abstract: An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate. The exhaust pipe has one end connected to an engine and another end opposite to the one end along a length of the exhaust pipe. The exhaust port is provided at another end of the exhaust pipe and extends in a first direction inclined from the height direction along a height of the work vehicle. A length of the exhaust port in the height direction is shorter than a length of the exhaust port in the transverse direction perpendicular to a plane including the first direction and the height direction. The baffle plate is provided in the exhaust port and configured to change an exhaust gas flow from the first direction to the transverse direction.

Abstract: A heat insulating material includes a central portion to cover a first base or a second base of an exhaust gas purifier of an engine, and a first rectangular portion and a second rectangular portion which have substantially rectangular shapes and which are connected to the central portion substantially symmetrically with respect to a center of the central portion. The second base is provided opposite to the first base. The first rectangular portion and the second rectangular portion are configured to cover a side surface of the exhaust gas purifier. The side surface connects the first base and the second base.

Abstract: A working machine includes a machine body, an engine provided on the machine body, a radiator to cool a coolant supplied to the engine, a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body, and a second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction.

Abstract: A heat insulating material includes a central portion to cover a first base or a second base of an exhaust gas purifier of an engine, and a first rectangular portion and a second rectangular portion which have substantially rectangular shapes and which are connected to the central portion substantially symmetrically with respect to a center of the central portion. The second base is provided opposite to the first base. The first rectangular portion and the second rectangular portion are configured to cover a side surface of the exhaust gas purifier. The side surface connects the first base and the second base.

Abstract: An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate. The exhaust pipe has one end connected to an engine and another end opposite to the one end along a length of the exhaust pipe. The exhaust port is provided at another end of the exhaust pipe and extends in a first direction inclined from the height direction along a height of the work vehicle. A length of the exhaust port in the height direction is shorter than a length of the exhaust port in the transverse direction perpendicular to a plane including the first direction and the height direction. The baffle plate is provided in the exhaust port and configured to change an exhaust gas flow from the first direction to the transverse direction.

Abstract: A tool magazine as a conveyance device includes a first conveyance unit that conveys a plurality of tools along a first route, a second conveyance unit that conveys a plurality of tools along a second route, and a cover body. A first opening used to attach and detach the tool in a first section of first route and a second opening used to attach and detach the tool a third section of second route are provided in cover body. A second section of first route is located between first section of first route and second conveyance unit in a direction in which first conveyance unit and second conveyance unit are arranged. A fourth section of second route is located between third section of second route and first conveyance unit in the direction in which first conveyance unit and second conveyance unit are arranged.

Abstract: A tool changer includes a tool magazine, a support shaft disposed to have a center axis parallel to an axis of a tool spindle, a drive mechanism for rotating the support shaft about the center axis and moving the support shaft in the axial direction, three tool change arms fixed to the support shaft and each having a tool holding unit, a tool transfer mechanism for transferring a tool pot from the tool magazine to a standby position, and a provisional placing pot disposed at a provisional placing position. The tool changer starts a tool change operation in a state where a tool to be attached to the tool spindle, a tool to be used next, and a tool to be used after the next tool are held by the tool holding units of the tool change arms.

Abstract: A tool changer includes a tool magazine, a support shaft disposed to have a center axis parallel to an axis of a tool spindle, a drive mechanism for rotating the support shaft about the center axis and moving the support shaft in the axial direction, three tool change arms fixed to the support shaft and each having a tool holding unit, a tool transfer mechanism for transferring a tool pot from the tool magazine to a standby position, and a provisional placing pot disposed at a provisional placing position. The tool changer starts a tool change operation in a state where a tool to be attached to the tool spindle, a tool to be used next, and a tool to be used after the next tool are held by the tool holding units of the tool change arms.