TM 10-3930-659-20 1-11. EQUIPMENT DATA (Con't). Table 1-1.  General Characteristics and Specifications (Con't). Hydraulic System Specifications: Main Hydraulic Pump: Type ........................................................................................................ Commercial Steering, Gear, Constant Displacement Output (Maximum)................................................................................... 34 gpm @ 2000 psi Fork/Brake Hydraulic 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 (17,238 kPa) Crossover Relief Valve Setting  ............................................................... 2900 psi (19,996 kPa) Forklift Control Valve Setting  .............................................................................. 2750 psi (18,961 kPa) 1-7