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MOTOR GP-PISTON 1799778 - Caterpillar


1799778 MOTOR GP-PISTON Caterpillar parts 322C, 322C FM, 325C, 325C FM, M325C MH
Rating:
44
Alternative (cross code) number:
CA1799778
179-9778
1799778
Caterpillar 1799778 MOTOR GP-PISTON
Weight: 11 pounds 5 kg.

Buy MOTOR GP-PISTON 1799778 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR, WHEELED EXCAVATOR,

Related part:
1799778  MOTOR GP-PSTN  20R0121  R

You can buy:

 
$515

27 Jan 2017
MOVO Hydraulics

Compare Prices: .

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$695.00

09 Oct 2025

CN: Fikowjs-Machine
Hydraulic Fan Motor 179-9778 1799778 Compatible with CAT 322C 322C FM 325C 325C FM M325C MH Excavator
Fikowjs TIP: Please purchase according to the old part number, appearance is not able to judge the accuracy of the product. || Part Name:Hydraulic Fan Motor || Part Number:179-9778 1799778 || Application: Compatible with CAT 322C 322C FM 325C 325C FM M325C MH Excavator Condition:New This package includes:1pcs*Hydraulic Pump || NOTE: There are many kinds of products in Fikowjs parts, if you can't find the part number you need, please consult us, we will reply soon!
$672.60

29 Aug 2025

Amazon.com
CTP 1799778 Piston for GP Hydraulic Motor
CTP Allow the fan speed to be independent from the engine speed; Integral valving in the motor maintains the speed at an optimum rate for proper cooling of the hydraulic oil || Control coolant temperature || Provide cooling control of hydraulic fan drives and idles the fan to avoid excess power consumption and offer fuel savings
$1,028.28

13 Aug 2025

CN: JDPART
Hydraulic Fan Motor 179-9778 20R-0121 For Caterpillar 322C 325C 325C Excavator
JDPART Product Name: Hydraulic Fan Motor || Higher-quality: Using high-quality materials and manufacturing processes to ensure its reliability, durability and consistent performance. || Application: For Caterpillar CAT325C || Warranty: 1 Year || Note: Please verify your part number before ordering, any problem please feel free to contact us, thanks.
Number on catalog scheme: 9
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Compatible equipment models: 1799778:

EXCAVATOR  322C   322C FM   325C   325C FM  
LOGGER  322C  
MOBILE HYD POWER UNIT  325C  
WHEELED EXCAVATOR  M325C MH   Caterpillar

Information:

Note: Ensure that the Safety Information, warnings, and instructions are read and understood before operation or maintenance procedures are performed.Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.Note: For engines that are equipped with AIRSEP® engine air cleaners, the turbocharger should be inspected every 1000 service hours.When Required
Belt - Inspect/Adjust/Replace
Battery - Recycle
Battery or Battery Cable - Disconnect
Engine Oil Level Gauge - Calibrate
Fuel System - Prime
Daily
Cooling System Coolant Level - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Fuel System Water Separator - Drain
Marine Transmission Oil Level - Check
Walk-Around Inspection
Every 1900 L (500 US gal) of Fuel or 50 Service Hours
Aftercooler Drain Plug - Inspect
Engine Air Cleaner Element (Foam) - Clean/Replace
Zinc Rods - Inspect/Replace
Initial 9000 L (2400 US gal) of Fuel or 250 Service Hours or 1 Year
Engine Valve Lash - Inspect/Adjust
Every 9000 L (2400 US gal) of Fuel or 250 Service Hours or Yearly
Auxiliary Water Pump - Inspect
Belt - Inspect/Adjust/Replace
Battery Electrolyte Level - Check
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Air Cleaner Element - Clean/Replace
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Engine Protective Devices - Check
Exhaust Restrictor - Inspect/Adjust
Fuel System Primary Filter/Water Separator Element - Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace
Magnetic Pickups - Clean/Inspect
Oil Fumes Filter - Replace
Sea Water Strainer - Clean/Inspect
Every 36 000 L (9000 US gal) of Fuel or 1000 Service Hours or 2 Years
Aftercooler Core - Clean/Test
Cooling System Coolant (DEAC) - Change
Cooling System Water Temperature Regulator - Replace
Engine - Clean
Governor Housing - Drain
Marine Transmission Oil Cooler - Clean/Inspect
PCV Valve - Inspect
Every 72 000 L (19 000 US gal) of Fuel or 2000 Service Hours
Alternator - Inspect
Crankshaft Vibration Damper - Inspect
Engine Mounts - Inspect
Engine Valve Lash - Inspect/Adjust
Fuel Injection Nozzles - Test/Exchange
Fuel Ratio Control - Inspect/Adjust
Heat Exchanger - Inspect
Starting Motor - Inspect
Turbocharger - Inspect
Every 108 000 L (28 500 US gal) of Fuel or 3000 Service Hours or 2 Years
Cooling System Coolant Extender (ELC) - Add
Water Pump - Inspect
Every 114 000 L (30 000 US gal) of Fuel
Overhaul Considerations
Every 216 000 L (57 000 US gal) of Fuel or 6000 Service Hours or 4 Years
Cooling System Coolant (ELC) - Change

Caterpillar SIS machinery equipment:

Caterpillar SIS
Custom Support Literature for the 322C FM LGP BYL00001-UP (MACHINE) » 179-9778 MOTOR GP-PISTON
325C L & 325C LN Excavator CRB00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
325C & 325C L Excavators AMH00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
325C & 325C L Excavators BKW00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
325C FOREST SWING MACHINES G1L00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
325C L Excavator BFE00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
322C & 322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
325C Material Handler S2C00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
322C L, 322C LN Hydraulic Excavators EMR00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
325C Material Handler DTF00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
325C & 325C L Excavators JLC00001-UP (MACHINE) POWERED BY 3126 Engine » 179-9778 MOTOR GP-PISTON
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
322C Forest Swing Machine M2H00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
M325C Material Handler PAN00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON
325C Mobile Hydraulic Power Unit MSG00001-UP (MACHINE) POWERED BY 3126B Engine » 179-9778 MOTOR GP-PISTON

Caterpillar parts catalog:

Caterpillar parts catalog
Custom Support Literature for the 322C FM LGP BYL00001-UP (MACHINE)
325C L & 325C LN Excavator CRB00001-UP (MACHINE) POWERED BY 3126 Engine
325C & 325C L Excavators AMH00001-UP (MACHINE) POWERED BY 3126B Engine
325C & 325C L Excavators BKW00001-UP (MACHINE) POWERED BY 3126B Engine
325C FOREST SWING MACHINES G1L00001-UP (MACHINE) POWERED BY 3126B Engine
325C L Excavator BFE00001-UP (MACHINE) POWERED BY 3126B Engine
322C & 322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine
325C Material Handler S2C00001-UP (MACHINE) POWERED BY 3126 Engine
322C L, 322C LN Hydraulic Excavators EMR00001-UP (MACHINE) POWERED BY 3126 Engine
325C Material Handler DTF00001-UP (MACHINE) POWERED BY 3126 Engine
325C & 325C L Excavators JLC00001-UP (MACHINE) POWERED BY 3126 Engine
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine
322C Forest Swing Machine M2H00001-UP (MACHINE) POWERED BY 3126B Engine
322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B Engine
M325C Material Handler PAN00001-UP (MACHINE) POWERED BY 3126B Engine
325C Mobile Hydraulic Power Unit MSG00001-UP (MACHINE) POWERED BY 3126B Engine


Parts motor Caterpillar catalog:

1893424 MOTOR AS-WINDOW WIPER
307C, 307D, 311C, 312C L, 315C, 318C, 320C, 320C FM, 320C L, 322C, 322C FM, 325C, 325C FM, 330C, 330C FM, 330C L, 330C MH, 330D, 345C
1350611 MOTOR GP-WINDOW WIPER
120H, 120K, 120K 2, 120M, 120M 2, 12H, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 140H, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14H, 14M, 160H, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H...
1474834 MOTOR AS
311B, 312C, 312C L, 315C, 318B, 318C, 319C, 320B, 320C, 320C FM, 320C L, 322C, 325B, 325C, 330C, 330C L, 345B II, 365B, 365B L, 385B
2881556 MOTOR AS-FAN
1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 312C, 315C, 318C, 319C, 320C FM, 320D, 320D FM, 320D FM RR, 322C, 322C FM, 324D FM, 324D FM LL, 325C, 325C FM, 325D FM, 330C FM, 330C L, 3...
1865763 MOTOR AS-WINDOW WIPER
312C, 315C, 318C, 320C, 322C, 325C, 330C, 330C L
2299137 MOTOR AS
308C, 314C, 321C, 321D LCR, 325C, 328D LCR
2299138 MOTOR AS
308C, 314C, 321C, 325C
3050314 MOTOR AS
308C, 308D, 314C, 314D CR, 314D LCR, 321C, 321D LCR, 325C, 328D LCR
2361908 MOTOR AS
308C, 308D, 314D CR, 314D LCR, 325C, 328D LCR
1135794 MOTOR
1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 315B FM L, 320B FM LL, 320C FM, 322B L, 322C, 322C FM, 325B L, 325C FM, 330B L, 330C FM, 345C, 511, 521, 521B, 522, 522B, 532, 541, 541 2,...
2289045 MOTOR AS-FAN
320C FM, 320D, 320D FM, 322C
2288527 MOTOR GP-PISTON
938G II, 950G II, 950H, 962G II
1507267 MOTOR & FAN GP
938G, 950G, 962G, IT38G
3349979 MOTOR GP-SWING
330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L, 340D L, 340D2 L, 568 FM LL
6G4350 MOTOR GP-WIPER
768B, 769, 772, 773
4234217 MOTOR GP-WINDOW WIPER
950K, 962K, 966K, 966M, 966M XE, 972K, 972M, 972M XE, 980K, 980M, 982M
3305053 MOTOR GP-WINDOW WIPER
826H, 836H, 950H, 962H, 966H, 972H, 980H, 988H
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