A vehicle for uneven terrain includes a main frame; a front wheel assembly disposed in front of the main frame with a front wheel; a rear wheel assembly disposed behind the main frame with a rear wheel; a wheelbase adjuster configured to adjust a wheelbase between the front wheel and the rear wheel; a first side wheel assembly disposed on one side of the main frame with a first side wheel; a second side wheel assembly disposed on another side of the main frame with a second side wheel; a front wheel torque transmitter configured to interlock vertical movements of the front wheel and the first side wheel; a rear wheel torque transmitter configured to interlock vertical movements of the rear wheel and the second side wheel; and a stabilizer configured to support the first side wheel assembly and the second side wheel assembly.

A utility vehicle includes a chassis and a work implement movably coupled to the chassis. An operator support is positioned within an operator cab. The operator support includes a seat and a backrest coupled to the seat. A position of the operator support is selectively adjustable relative to the chassis. The utility vehicle further includes a control system in communication with the operator support. The control system includes a sensor operable to sense a position of the work implement relative to the chassis, and a controller including a processor and a memory. The controller is configured to receive a signal from the sensor representative of the position of the work implement. The controller is further configured to generate a signal to automatically adjust the position of the operator support relative to the chassis based in part on the position of the work implement relative to the chassis.

A utility vehicle includes a chassis and a work implement movably coupled to the chassis. An operator support is positioned within an operator cab. The operator support includes a seat and a backrest coupled to the seat. A position of the operator support is selectively adjustable relative to the chassis. The utility vehicle further includes a control system in communication with the operator support. The control system includes a sensor operable to sense a position of the work implement relative to the chassis, and a controller including a processor and a memory. The controller is configured to receive a signal from the sensor representative of the position of the work implement. The controller is further configured to generate a signal to automatically adjust the position of the operator support relative to the chassis based in part on the position of the work implement relative to the chassis.

A work vehicle includes a fender covering a rear wheel, a seat base to which the fender is fixed and on which a seat is installed, a step above or below the seat base and to which the seat base is fixed, and a first vibration insulating portion having a vibration insulating property and interposed between the step and the seat base.

A working vehicle includes a vehicle body, an obstacle detector to detect an obstacle in a vicinity of the vehicle body, at least one lamp to be lighted on a peripheral portion of the vehicle body, and an attachment bracket attached to the vehicle body. The attachment bracket includes an attachment body including a detector-attaching portion to which the obstacle detector is attached, and at least one lamp-attaching portion to which the at least one lamp is attached.

A working vehicle includes a vehicle body, an obstacle detector to detect an obstacle in a vicinity of the vehicle body, at least one lamp to be lighted on a peripheral portion of the vehicle body, and an attachment bracket attached to the vehicle body. The attachment bracket includes an attachment body including a detector-attaching portion to which the obstacle detector is attached, and at least one lamp-attaching portion to which the at least one lamp is attached.

A suspension system for an operator station of a vehicle having a chassis includes a subframe structure positioned between the operator station and the chassis. The subframe structure includes a plurality of mounting pads configured to support the operator station. A plurality of suspension assemblies are connected between the chassis and the subframe structure near each of the mounting pads. A first lateral rod is connected between the subframe structure near one of the mounting pads and the chassis. A first longitudinal rod is connected between the subframe structure near one of the mounting pads and the chassis. A stabilizer bar is connected between the subframe structure at two locations and the chassis. A roll control bar is connected between the subframe structure at two locations and the chassis.

A tractor includes a protective frame including a lower frame and an upper frame rotatably coupled with an upper portion of the lower frame, and an assist mechanism to assists a rotation of the upper frame.

A suspension system for a work vehicle includes a first cylinder having a piston side, a second cylinder having a piston side, and a first valve connected to the first and second cylinders, which extend and retract during a roll condition of the suspension system. The first valve selectively enables and restricts fluid flow between the piston side of the first cylinder and the piston side of the second cylinder to adjust a roll resistance of the suspension system.

A suspension system for a work vehicle includes a first cylinder having a piston side, a second cylinder having a piston side, and a first valve connected to the first and second cylinders, which extend and retract during a roll condition of the suspension system. The first valve selectively enables and restricts fluid flow between the piston side of the first cylinder and the piston side of the second cylinder to adjust a roll resistance of the suspension system.