155-6654 BARREL | REPLACEMENT FOR CATERPILLAR

1556654 155-6654

Application: HYDRAULIC PUMP & MOTOR
MOQ: 1 PCS
Customization: Labels and logo
Delivery: 7-15 working days
Warranty: 6-12 months
Certifications: ISO 9001 / CE

Weight (lb):

3.8

HYDSTAR® hydraulic pumps and core components—including pump shafts, gears, bearings, oil seals, barrel,swash plates,valve plate, cylinder blocks, retainer plates, ball guides, friction plates, thrust plates, bushings, and gaskets—are engineered to deliver superior power support for heavy-duty equipment and high-load applications. By maintaining efficient, stable fluid circulation and pressure output, they effectively minimize system wear and prevent mechanical damage caused by poor lubrication or pressure fluctuations.

Precision Manufacturing and Superior Materials: Components are precision-machined from high-strength premium carbon steel and wear-resistant stainless steel. This fundamentally enhances the rigidity and fatigue strength of core parts, ensuring reliable operation even under extreme working conditions.

Reliable Sealing and Extended Service Life: Featuring optimized, high-quality oil seal and gasket combinations alongside hardened bearing retaining rings, these components effectively prevent internal leakage and reduce operational friction, significantly extending the service life of the entire assembly.

Rigorous Testing and Reliable Quality: Every HYDSTAR® component is manufactured to exacting standards and undergoes rigorous performance and quality testing. This ensures a perfect fit for your equipment, guaranteeing efficient system operation and outstanding overall performance.

Whether for routine maintenance, major system overhauls, or component replacements, HYDSTAR® provides durable, trustworthy solutions for heavy-duty hydraulic and lubrication systems.

Track Loader

973

Front Shovel

385C 5090B

Reclaimer/Stabilizer

RM-300 RM-500

Wheel Dozer

824K 824

Landfill Dozer

2864C 586C

Vibratory Compactor

CS-56 CS11 GC CS-54 CS-44B CS54B CP-54 CP-56 CP-533D CP-533C CP-533E CP54B CS7 CP11 GC CS-54B CS-531D CS-531C CS-64B CS10 GC CS-533C CS-533D CS-533E CP-54B CP7 CS44B CP-563E CP-563D CS-563C CS-563D CP-563C CS-563E CP12 GC CP44B CP-44B

Landfill Compactor

826 826K

Motor Grader

18M3 16 18 16M3

Material Handler

MH3260 MH3037

Feller Buncher

345C

Paving Compactor

C13 MARINE MG630

Wheeled Excavator

W345C MH

Excavator

340 349 345 352 350 355 390D 345C L 390D L 340MHPU 336 385C FS 385B 385C 345C 349 GC 336 MHPU 385C L 385C L MH 365B L 345C MH 345 GC 352 UHD

Single Drum Vibratory Roller

CP7 825 CS44B CS12 GC CP44B 825K CS10 GC CP12 GC CS54B CP11 CP13 CS64B CS10 CS11 CS12 CP13 GC CS13 CS13 GC CS11 GC

Track-Type Tractors

D1 D8 D7 D4K2 LGP D3K2 XL D5K2 LGP D3K2 LGP D5K2 XL D4K2 XL

Wheel Loaders

972H 972 XE 966 XE 966XE 966K XE 972M XE 966M XE 980C 980F 972XE 966H

OEM Mobile Hydraulic Power Units

336MHPU

Compactors

CCS7 CCS9

Mobile Hydraulic Power Units

345C 385C 385C L 345C L

Product Introduction

Precision Manufacturing

Our Piston Pump Spare Parts are manufactured with strict dimensional control and precision machining processes to ensure accurate fitment and reliable operation. Critical components are carefully processed to maintain proper tolerances, surface finish, and matching accuracy. Precise manufacturing helps reduce abnormal wear, internal leakage, and operating instability, supporting consistent hydraulic performance after repair or replacement.

Excellent Wear Resistance

Selected materials and optimized surface treatments help provide excellent resistance to friction, pressure, and continuous mechanical contact. Components such as pistons, cylinder blocks, valve plates, and swash plates are designed to withstand demanding hydraulic operating conditions. Improved wear resistance helps maintain stable clearances and contact surfaces, contributing to longer component life and more reliable pump operation.

barrel

Accurate Component Matching

Proper matching between internal components is essential to piston pump efficiency and reliability. Our spare parts are designed to provide accurate contact and dimensional compatibility between pistons, slippers, cylinder blocks, valve plates, retainers, shafts, and other critical components. Correct component matching helps maintain stable pressure, smooth rotation, and efficient hydraulic power transmission.

Reliable Hydraulic Performance

High-quality replacement parts help restore the operating performance of worn or damaged piston pumps. Accurate sealing surfaces and controlled internal clearances help reduce unnecessary leakage and pressure loss while supporting stable oil flow and efficient operation. Proper replacement of critical components can improve pump response, reduce vibration, and help restore normal system performance.

 

Related Products

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valve plate

valve plate

1481219 148-1219

valve plate

valve plate

3134424 313-4424

barrel

barrel

155-9113

piston

piston

189-9380

Request A Free Quote

Don't hesitate to contact us. HYDSTAR HYDRAULIC experts are very happy to help you, provide a variety of flexible and reliable solutions to help you solve various problems.