TM 10-3930-659-10 1-10.  EQUIPMENT DATA (Con’t). Table 1-1.  General Characteristics and Specifications (Con’t). Tire Specifications (Con’t): Ply Rating ....................................................................................................................................... 16 Recommended Inflation Pressure ..................................................................Rear: 40 psi (276 kPa) Front: 55 psi (379 kPa) Hydraulic System Specifications: Steering Pump: Type ................................................................................................ Commercial Steering, Gear, Constant Displacement Rated Output.................................................................................................34 gpm @ 2000 psi Forks/Brake Pump: Type .................................................................................................. Sunstrand Piston, Variable Displacement, Pressure Compensated Output (Minimum) ......................................................................................18.6 gpm @ 2000 psi Steering System Relief Pressures: Priority Valve Relief Setting........................................................................2500 psi (17238 kPa) Crossover Relief Valve Setting ................................................................. 2900 psi (19996 kPa) Forks System Pressure Control Valve Setting .................................................2750 psi (18961 kPa) 1-9