1799778 Motor Gp-P Fits Caterpillar Models

One New Aftermarket Replacement Hydraulic Fan Motor (Motor Gp-Piston) for Caterpillar (Cat) Excavators and Material Handlers

This aftermarket replacement hydraulic fan motor (OEM designation: Motor Gp-Piston, 179-9778) drives the hydraulic cooling fan system on Caterpillar 322C and 325C series excavators, material handlers, and mobile hydraulic power units. The motor allows fan speed to operate independently from engine speed, with integral valving that maintains optimum cooling fan speed for proper hydraulic oil temperature management, coolant temperature control, and fuel-efficient fan drive operation.

Specifications

• Dimensions: 8.55 x 6.52 x 4.52 in.
• Weight: 11.6 lbs.
• Type: Hydraulic Piston Fan Motor
• Condition: New aftermarket

Compatible Models

Caterpillar 322C Series (3126 / 3126B Engine): 322C, 322C FM, 322C FM LGP, 322C L, 322C LN, 322C Forest Swing Machines

Caterpillar 325C Series (3126 / 3126B Engine): 325C, 325C L, 325C LN, 325C FM, 325C Forest Swing Machines, 325C Material Handler, 325C Mobile Hydraulic Power Unit

Caterpillar M325C Series (3126B Engine): M325C MH (Material Handler, Wheeled Excavator)

Replaces Part Number(s):

1799778, 179-9778

Aftermarket Interchange Numbers

CA1799778

Reman supersession reference: 20R-0121 (remanufactured equivalent - this listing is new aftermarket, not reman).

New aftermarket replacement part - not remanufactured, not used.