Part: 265-4925 hydraulic fan motor for CAT 938H and IT38H wheel loaders. Caterpillar lists it as a Gear Motor, with the parts book item name MOTOR GP-GEAR -HYDRAULIC FAN.
Second code explained: 7029210020 appears on our unit’s maker plate. It is the manufacturer’s internal part number, not a Caterpillar number.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 255-6805 hydraulic fan motor for CAT 980G and 980H wheel loaders, listed by Caterpillar as a fixed displacement motor.
Role: it is the working side of the cooling fan circuit on the 980H. The pump that drives it is 235-2716, and the two fail for different reasons.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 161-8919 hydraulic fan piston motor, listed by Caterpillar with an overall length of 283.5 mm, item name MOTOR GP-PISTON.
Fitment: one of the widest in the Cat loader range, covering 966G, 972G, the Series II versions, 966H, 972H, 824H, 825H, 980G II, 966K XE and the 966M XE and 972M XE.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 200-3252 hydraulic fan motor, listed by Caterpillar as a fixed displacement motor with the parts book item name MOTOR GP-PISTON and the alternate group designation PS-F-43.
Fitment: 385B and 385B L with the 3456 engine, 385C family and 390D with the C18, plus the 5090B. Cross-referenced as 10R-6266.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 505-5180 hydraulic fan motor for CAT 336, 345 GC, 349 and 352 excavators with C9.3, C9.3B and C13 engines.
What Caterpillar calls it: Motor Group-Piston, described as an axial piston motor, fixed displacement, for hydraulic fan duty. Parts book item name MOTOR GP-PISTON.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 505-5179 suction fan slipper piston motor for the CAT 336 GC excavator with the C7.1 engine.
What Caterpillar calls it: Suction Fan Slipper Piston Motor, with the parts book item name MOTOR GP-PISTON -FAN, SUCTION, recorded as part of the suction fan group on the 336 GC.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 364-0983 suction fan piston motor for CAT 374F and 390F excavators, listed by Caterpillar as the motor that operates the suction fans.
Fitment: 374F L with the C15 engine and 390F, 390F L and MH3295 with the C18, identified by machine serial prefix.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 225-4613 hydraulic fan motor for CAT 365C excavators with the C15 engine, cross-listed as 10R-6268.
What it is: a piston motor group, fixed displacement, item name MOTOR GP-PSF in Caterpillar’s catalogue.
Do not confuse it with 247-8978, which is a different fan motor for the 385C and 390D. Both numbers circulate together in the trade.
Part: 295-9429 hydraulic fan motor for CAT 345D and 349D excavators with the C13 engine, cross-listed as 311-9550 and 20R-0093.
What it is: a fixed displacement slipper piston motor. The mating fan pump in the same circuit is 295-9426.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 155-9107 hydraulic fan motor for CAT 345B series excavators, cross-listed as 0R-7795.
What it is: a fixed displacement piston motor, item name MOTOR GP-PISTON in Caterpillar’s literature.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 234-4638 hydraulic fan motor for CAT 330D and 336D excavators, cross-listed as 10R-8694 and 242-6776.
What it is: a piston motor assembly, fixed displacement. The number 233-2530 in the same family is the internal rotating group of this motor, not a pump.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 191-5611 hydraulic fan motor for CAT 330C excavators with the C9 engine, listed in parallel as 20R-0118.
What it is: a fixed displacement piston motor. Caterpillar’s own catalogue item names are Motor Gp-Psf and Fixed Displacement Motor.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
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.
Part: 4634947 and 4634936 hydraulic fan motor, old type, new Chinese-made replacement for Hitachi ZX450-3, ZX470-3, ZX850-3 and ZX870-3 excavators.
Physical form: dark grey conical cast housing, four-bolt square flange, keyed shaft, two work ports on a side block with a silver cover plate. Housing castings include cross number 93467079E.
Terms: HTD brand, made in China, three to six month warranty, MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: YA00005829 hydraulic fan motor for Hitachi ZX450-3, ZX470-3, ZX850-3 and ZX870-3 excavators, new Chinese-made replacement, HTD brand.
Why buyers choose this grade: it carries a three to six month warranty, ships in 5 to 8 working days, and is stocked for fleet quantities rather than one-off surplus.
Check first: this is the square-flange unit with the silver cover and bottom work ports. It is not the same physical part as the Parker-built 4634936.
Part: YA00005829 hydraulic fan motor for Hitachi ZX470-3, ZX490-5A and ZX870-3 excavators, supplied as Japanese-production KYB stock.
What the plate on this unit reads: KYB Corporation Japan, MSF-50-45, internal part B0440-50016, serial 560021.
Terms: genuine-type grade, sold without warranty as with all original-equipment and used stock. A Chinese-made equivalent with a three to six month warranty is listed separately.