Patent ID: 7836964

Claim:
An all-terrain fire fighting apparatus comprising: an engine frame having a forward end, an aft end, a starboard side and a port side; a drive engine mounted to the engine frame between the forward end and the aft end of the engine frame; a plurality of starboard traction wheels mounted to the starboard side of the engine frame, so as to support the starboard side of the engine frame over the ground; a starboard drivetrain connected to drive all the starboard traction wheels in tandem; a starboard hydraulic drive motor connected in driving relation to the starboard drivetrain; a plurality of port traction wheels mounted to the port side of the engine frame, so as to support the port side of the engine frame over the ground; a port drivetrain connected to drive all the port traction wheels in tandem; a port hydraulic drive motor connected in driving relation to the port drivetrain; an occupant cab, with accommodations for at least one operator; a water tank mounted to the frame between the occupant cab and the engine; a high pressure water pump connected in water receiving relation to the water tank; a water pump hydraulic drive motor connected in driving relation to the high pressure water pump; a starboard drive hydraulic pump connected to the drive engine to be driven, and connected to supply hydraulic fluid to drive the starboard hydraulic drive motor; a port drive hydraulic pump connected to the drive engine to be driven, and connected to supply hydraulic fluid to drive the port hydraulic drive motor; a water pump drive hydraulic pump connected to the drive engine to be driven, and connected to supply hydraulic fluid to drive the water pump hydraulic drive motor; a water nozzle connected to an output of the high pressure water pump in water receiving relation, the water nozzle mounted to the forward end of the engine frame in front of the cab, the nozzle mounted with two degrees of freedom; a drive-by-wire control system including a steering wheel, and a pedal, the drive-by-wire system connected to the port hydraulic drive motor and the starboard drive motor to provide acceleration and braking, in response to motion of the pedal, and steering in response to rotation of the steering wheel; a proportional joystick mounted in the occupant cab and having at least two control movements; and a joystick control system connected between the water nozzle and the joystick to drive the nozzle in the two degrees of freedom in proportion to control moments input in to the joystick; a fire fighting apparatus cooling system mounted to the engine frame having a cooling shroud in the form of a box with a multiplicity of sides, and multiple system radiators stacked on one side of said multiplicity of sides of the box, and a plurality of exhaust fans mounted to said multiplicity of sides which draw air out of the box and through said multiple system radiators.