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Truck Crane Hydraulic System

TRUCK CRANE HYDRAULIC SYSTEM

HYDRAULIC PUMPS

A double and a single pump driven from hot shift transmission PTOs. A separate steering pump is driven directly from the engine. Combined system capacity is 131 gpm (495 Ipm). Remote hydraulic oil cooler is standard.

Main Winch Pump

  • 57.3 gpm (216.9 Ipm) @ 4,500 psi (316.4 kg/cm2) Boom Hoist and Telescope Pump
  • 42.6 gpm (161.3 Ipm) @ 4,500 psi (316.4 kg/cm2) Outrigger and Swing Pump
  • 21.2 gpm (80.3 Ipm) @ 3,500 psi (246.1 kg/cm2) Power Steering Pump
  • 8 gpm (30.3 lpm) @ 1900 psi (133.0 kg/cm2)

FILTRATION

Full flow oil filtration system with bypass protection includes a removable 60 mesh (250 micron) suction screen-type filter and five micron replaceable return line filters.

HYDRAULIC RESERVOIR

All welded construction with internal baffles and diffuser. Provides easy access to filters and is equipped with an external sight level gauge. The hydraulic tank is pressurized to aid in keeping out contaminants and in reducing potential pump cavitation. Capacity is 202 gal (765 L).

MAIN WINCH SPECIFICATIONS

Hydraulic winch with bent Axis piston motor and planetary reduction gearing provides two speed operation with equal speeds for power up and down. Winch is equipped with an integral automatic brake, grooved drum, tapered flanges, standard cable roller on drum, and electronic drum rotation indicator.

AUXILIARY WINCH

Hydraulic two-speed winch with bent axis piston motor, equal speed power up and down, planetary reduction with integral automatic brake, grooved drum with tapered flanges, drum roller, and rotation indicator.

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