340-2126 SHAFT | REPLACEMENT FOR CATERPILLAR

3402126 340-2126

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

Material:

Carbon Steel

HYDSTAR® hydraulic pumps and core components—including pump shafts, gears, bearings, oil seals, swash plates, 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.

Material Handler

MH3037

Reclaimer/Mixer

RM800

Wheeled Feller Buncher

2570C 2570D 2670C 553C 2470C 2670D 563C 563D 573C 573D

Forwarder

584 584HD

Wheeled Skidder

545D 535D 525D 555D

Excavator

336 GC 336

Pipelayer

PL87 PL72

Track-Type Tractor

D6T XW D6T LGP D6T LGPPAT D6T XL PAT D6T XW PAT D6T XL D6T D7E LGP D7E

Load-Haul-Dump (LHD) Loader

R1700 XE

Rotary Mixer

RM800

Road Reclaimer

RM600 RM800

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.

shaft

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

Reliable accessory solutions suitable for a variety of engineering machinery and operating scenarios, ensuring stable equipment operation and effectively reducing maintenance and operating costs.
swashplate

swashplate

155-9122

swashplate

swashplate

340-2125

retainer plate

retainer plate

189-9382

barrel

barrel

233-4885

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.