Part: 179-9778 hydraulic fan motor (Caterpillar also lists this position as 20R-0121) for CAT 322C and 325C excavators with the 3126B engine.

What it is: a fixed displacement piston motor, item name MOTOR GP-PISTON -HYDRAULIC FAN in Caterpillar’s parts catalogue, mounted within the hydraulic cooler group.

Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days, three to six month warranty on the proforma invoice.