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5M-2894 WASHER | REPLACEMENT FOR CATERPILLAR

5M2894 5M-2894

Application: 914 910 920 910F 910E 910K 910M 914K 914M 914G 918M 914G2
Customization: Labels and logo
Delivery: 7-15 working days
Warranty: 6-12 months
Certifications: ISO 9001 / CE

Enquiry

Material:
Hardened steel, zinc alloy, low-alloy steel
Washer Type:
Flat washer
Suitable Bolt Size (in):
3/8
Coating:
Zinc phosphate + oil provides corrosion protection up to the point of assembly (painting is recommended for external applications). Salt spray resistance: no red rust after 72 hours. Coating color: dark gray to black.
Outer Diameter (in):
0.728
Thickness (in):
0.098
Hardened:
Yes
Inner Diameter (ID) - 1 (in):
0.39
Thickness - 3 (in):
0.09
Outer Diameter (OD) - 2 (in):
0.72
Surface Finish:
Phosphate and oil coating
Outside Diameter (in):
0.728
Inside Diameter (in):
0.402

HYDSTAR® hydraulic pumps and core components—including pump shafts, gears, bearings, piston,oil seals, barrel,swash plates,valve plate, thrust 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.

Rotary/Track Drills

MD5075 MD5150C MD6290 MD5125 MD5075C

Transmissions

7155 TR53 TR35 TR16-C7.1

Swamp Tractors

D7R II

Pipelayers

578 561N 561M 561H 561D 561C 572R 572F 572G 571G 571F 587T 587R PL83 PL87 PL72 PL61 583T 583R 583K 572R II 589 594H 594

Petroleum Packages

3508 CX48-P2300 TH31-E61 CX35-C18I CX31 TH35-E81 TH48-E80 TH48-E70 CX35-P800 TH55 CX31-C15I CX31-C13I C18 CX31-C18I TH35-C15I

Off-Highway Trucks

D10R

Haul Trucks

613C II

Underground Articulated Trucks

AD22 AE40 AD45B AD60 AD55 AD63 AD30 AD45 AD40 AD22 AD55B AE40 II

Feller Bunchers

227

Articulated Trucks

D35HP D30C D30D D35C D300E II D400E D400D 725 740 745 730 735 725C D44B D350E D350D D350C D300E D300D D300B D400 D40D D250E D250D D250B D400E II D550B 740 GC 735C 735B 735 OEM D20D D250E II D25D D25C D350E II 740C 740B 745C

Off-Highway Trucks

777G 777E 794 AC 773GC 798 AC 785D 3508B 796 AC 789G 789D 772 770 793D 777 775 773 793F 789 785 793 798

Quarry Trucks

777E 775D 775B 773E 771D 771C 772G 770G

Dump Trucks

740B D400E II 740 730

Dozers

6 814S 8SU D5C PAT 10SU 10C D5C PATLGP 11U 10S 10U 977A 9SU 7S LGP 5A PAT 834U 834S 6SU 824S 825 815 7SU 11SU 8S 8U 8R 9A 9C 9U 9S 4S 4P 5A 5P 5S 6A 6S 7A 7S 7U 8A 3S 3P 4A

Powertrain

TR43E44-C13BL TR43M44-C13B TR35E44-C9.3B

Petroleum Generator Sets

G3306B C27 C15 C18 C32 3512B 3512C

Water Delivery Systems

CAT WDS

Locomotive Engines

3516 3512 C18 3516C 3516B 3612 3512E 3512C 3512B PR20B C175-16 C175-20 C32 C27 3508 C32B 3508C 3508B

Marine Engines

3196 3126 3116 3516 3512 C18 MARINE 3508 C18 C12 D379A D379B C15 D330A D330B D330C 3516B 3516C 3516E 3512C 3512E C280-16 C280-12 C32B 3512B D333A D333B D333C 3126B C12 MARINE 3208 C9.3 3616 3612 D399 D342C D349 D346 D348 D342 D343 D336 3306B 3304B 3176C 3176B C32 MARINE 3304 3306 C9 C7 D353E D353C D353D C-12 3408B 3408C 3406B 3406C 3406E D398A D398B 3056 C30 C32 3412 3408 3406 3508C 3508B C175-16 3412C 3412E 3412D C280-6 C280-8

truck

793F 769 772 770 773 777 794 AC 772G OEM 769B 769D 769C 795F AC 793F AC MT4400D AC 773G LRC 793F OEM 793D 793B 793C 793F 797F 797B 775G LRC 793F CMD 789C 789D 789B 770G OEM 69D 785G 773G OEM 785C 785D 785B

Stockpile Conveyor

WE-601B WE-851B

Generator Set Engines

3516B G3520B 3512B 3456 3412 3126B 3406 3408 DE1100 G3520 G3508 G3516 G3512 3508B 3116 3114 D379B 3508 3512 3516 3406C 3406E 3406B 3408B 3408C 3608 3606 G3412C C13GENSET 3208 3412C D399 3616 DE800S D398B 3304B 3306B POWER SYS G3516C G3516B C15 GEN SE 3306 3304 C-12 C280-16

Road Reclaimer

RM600 RM500 RR-250 RM800 RR-250B RM400 RM500B RM-350B

Rotary Cutter

RC7 RC20

Ripper

140G 130G 12G 16G

Cold Planer

PM620 PM622 PR-750B PR-1000 PR-450C PM-465 PM820 PM825 PM822 PM-565B PR-75 PM-200 PM-201 PR-1000C PR-450 PM-102 PM-565

Mini Hydraulic Excavator

308E2 305E2 CR 305.5E 305E2 305.5E2 CR 306.5 306E2 307-A 305.5E2 307D 307C 307E 306E 308E 305.5 GC 308E2 CR 307E2 306 307

Tractor

768C 768B 772B 776D 776C 776B 784C 784B 772 776

Wheel Dozer

834G 834H 834B 834K 834 824B 844 854 824H 824G 824C 824K 814 824 854G 854K 814B 814K 814F 844H 844K 814F II 824G II

Asphalt Paver/Finisher

MF41WD

Suction Pump

SPS342 SPS343 HT400 SCT673 CPT372 SPP101 SBF214 SPF343 SPF743 SPF343C SPT343 SPT342 SUF557

Gas Engine

G333C G379A G3304 G3306 G3512H G3512E G3512B G3512J G3412 G3516J G3516E G3408 G3406 G3516C G3516B G398 G399 G343 G379 G3306B G3304B G3520B G3520J CG137-08 CG137-12 G3612 G3616 G3608 G3606 G3408C G3408B G342C G3508J G3508B G353D G3520 G3512 G3516 G3508

Skid Steer Loader

226D3 232D3

Extended Mining Products

LD350

Wheel Tractor-Scraper

627 623 621 637 632 631 613G 627K LRC 623K LRC 631K 637K 623K 621K 627K 657 651

Water Delivery System (WDS)

CAT WDS

Blade

SNOW WING BLADE 836G 834G

Trailer

VFS70 VFS50

Service Platform

THP24S II

Energy Storage

ETS1500 PGS1260 PGS840

Hydraulic Shovel

6020 6018 6015 6040 6030 6020B 6015 FS 6040 FS 6060 6030 T4 6030 T2 6015B

Track Loader

933C 935C 935B 939C 973C 973D 973K 977H 977K 977L BS3E 931B 931C 983B BS3GII 963B 963C 951C 951B 953B 953C 955H 955K 955L 963 973 983 939 933 931 943 941 953 941B 931C II 935C II

Power Modules

3516B 3516C TR43-C18L PP3516 XQG135 XQC1200 XQC1600 XQG400 PM3456 PM3412 PMG3516 XQ2280 C32 C18 TR43 PM3508 PM3516 PM3512 TR43-E44

Petroleum Transmissions

TH55-E70 CX48-P2300 TH48-E80 TH48-E70 TH55FT-E90 CX48 CX38-P892 TH53-E60

Military Generator Sets

3608

Power Kits

G3406 C7

Engines

C175-20 3512E 3512B 3512C G3516C G3516J G3516H 3516C 3516E G3612 G3616 C15 C18 3508PETROL C32B C32B INDUSTRIAL G3412C C32 MARINE G3412 G3408C G3406 G3408 C32 Industrial, 3516 Petroleum, G3520 G3520J G3520H, 3512 Petroleum, C9.3 C27 Industrial

Engine - Machine

3516C C9 3304 3306 3408 3116 C27 C4.4 3406B 3204 3208

Ripper

953B D5 9D 8D 11 10 977 963 953 951 955 943 3 7 6 5 4 9 8

Grapple

518 120C 125C

Hydraulic Control

193 163 143 153 141 140 48 173B 183B

Rotary Mixer

RM800 RM500B

Mining Excavator

5230B 5130 5110B 5230 5130B

Compact Wheel Loader

914 910 920 910F 910E 910K 910M 914K 914M 914G 918M 914G2

Marine Transmission

7211 7231 7221 7251 7241 7271 7261

Excavator-based SPL Solutions

OEM-PM

Track-type Loader

973 977K

Wheel Tractor-Scraper

666B 621E 621F 621B 623G 623F 623B 623E 627G 627F 627B 627E 631G 631D 631E 633E 633B 633D 637K 637E 637G 637B 637D 639D 641B 651E 651B 657G 657E 657B 613C 613B 615C 615 627 633 613 611 613C II 666 637 641 657

Mobile Hydraulic Power Unit

349D L 385C TH43-C18 365C L 390F 385C L 345D 345C 349D2 345C L

Generator

WEG SR500 XQP500 XQP550

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.

washer

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.
valve

valve

1043122 104-3122

valve

valve

6E6044 6E-6044

piston

piston

9T3868 9T-3868

barrel

barrel

9T3863 9T-3863

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.