Specifications

15
POWER STEERING PUMP
The hydraulic power steering pump shall be a TRW PS and shall be gear driven from the engine. The
pump shall be a balanced, positive displacement, sliding vane type.
ELECTRONIC POWER STEERING FLUID LEVEL INDICATOR
The power steering fluid shall be monitored electronically and shall send a signal to activate an audible
alarm and visual warning in the instrument panel when fluid level falls below normal.
FRONT AXLE CRAMP ANGLE
The chassis shall have a front axle cramp angle of 48-degrees to the left and 44-degrees to the right.
REAR AXLE
The rear axle shall be a Meritor model RS-30-185 single drive axle. The axle shall include precision
forged, single reduction differential gearing, and shall have a fire service rated capacity of 33,000 pounds.
REAR AXLE DIFFERENTIAL LUBRICATION
The rear axle differential shall be lubricated with oil.
REAR WHEEL BEARING LUBRICATION
The rear axle wheel bearings shall be lubricated with oil.
VEHICLE TOP SPEED
The top speed of the vehicle shall be approximately 68 MPH +/-2 MPH at governed engine RPM.
REAR SUSPENSION
The single rear axle shall feature a Ridewell RAD241 or equivalent air suspension with a single optimized
air spring mounted to a fabricated load beam trailing arm on each side with a single fixed transverse
torque rod. Axle alignment is maintained using eccentric bolts at each frame bracket. Dual air height
control valves shall be installed to ensure equal frame height on both sides of the vehicle regardless of the
load.
The rear suspension capacity shall be rated at 32,500 pounds.
REAR SHOCK ABSORBERS
Shock absorbers shall be supplied by the suspension manufacturer and installed on the rear axle
suspension.
FRONT TIRE
The front tires shall be Michelin tubeless radial XZA highway tread.