8A31-54 Series

Komatsu 8A31-54 Series Cushion Dampers

The 8A31-54 series covers rubber cushion dampers for multiple Komatsu D-series bulldozer platforms. We supply the complete range from stock with ISO 9001:2015 certified quality.

8A31-54-1110

Rubber cushion damper for Komatsu D31EX, D31PX, D37EX, D37PX, D39EX, D51EX, D61EX, D61PX, D65EX, D65PX, D85EX series

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8A31-54-1130

Rubber cushion damper for Komatsu D155AX-5 large crawler dozer — our primary specialty product

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8A31-54-1140

Cushion damper variant for Komatsu D-series large crawler bulldozer — contact us to confirm fitment

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D155 Series Parts

All rubber cushion, vibration damper and anti-vibration mount parts for Komatsu D155A and D155AX crawler dozers

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Excavator & Mining Dozer Mounts

Komatsu PC-Series & Mining Dozer Rubber Mounts

Beyond the D-series cushion dampers, we also supply engine and vibration mounts for Komatsu hydraulic excavators and super-large mining dozers.

17A-54-46120

Engine mount for Komatsu PC200, PC210, PC300, PC350 excavators (20–35 tonne class)

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17A-54-46130

Companion engine mount for PC200–PC350 excavators. Pair with 17A-54-46120 for complete overhaul.

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195-54-78412

Cushion damper for Komatsu D375A & D475A super-large mining dozers (72–104 tonne class)

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56B-50-12315

Engine mount for Komatsu D375A-5 & D375A-6 mining dozer platform

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56D-50-12314

Engine mount for Komatsu D475A ultra-large mining dozer — 104+ tonnes, 890 HP V12 engine

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PC-Series Excavator Mounts

Komatsu PC-Series Excavator Engine, Cab & Pump Mounts

Complete range of anti-vibration mounts for Komatsu hydraulic excavators — from compact PC78 through large PC450 class.

20Y-54-39520

Engine mount for PC200-7/8 & PC220-7/8 excavators (20-22 tonne)

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20Y-54-71181

Cab mount cushion for PC200-PC350 excavators — operator vibration isolation

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20Y-54-11273

Hydraulic pump mount for PC200 series — eliminates pump vibration noise

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207-54-71341

Engine mount for PC300 & PC350 excavators (30-35 tonne class)

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208-54-71180

Cab mount for PC400 & PC450 large excavators (40-45 tonne)

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209-54-71182

Engine mount for PC400 & PC450 excavators — heavy-duty quarry/mining class

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22U-54-25441

Engine mount for PC78US & PC88MR compact/midi excavators (7-9 tonne)

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20E-54-K1360

Engine mount for PC160LC & PC170LC mid-compact excavators (16-17 tonne)

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20Y-54-51191

Radiator mount cushion for PC200-PC240 — prevents cooling system fatigue

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Dozer & Wheel Loader Mounts

Komatsu Dozer & Wheel Loader Engine Mounts

Engine mounts for Komatsu D-series dozers and WA-series wheel loaders across all weight classes.

6754-11-8110

Engine mount for D51EX & D51PX compact dozers (13 tonne)

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6151-12-1100

Engine mount for D65EX & D65PX mid-size dozers (20 tonne)

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6261-11-8100

Engine mount for D85EX & D85PX heavy dozers (26 tonne)

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423-54-25410

Engine mount for WA380 & WA430 wheel loaders (20-24 tonne)

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421-54-11781

Engine mount for WA470 & WA500 large wheel loaders (30-36 tonne)

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714-07-18810

Engine mount for WA600 & WA700 mining wheel loaders (55-65 tonne)

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Need a part not listed here? We manufacture rubber mounts and cushion dampers for the complete Komatsu equipment range — dozers, excavators, wheel loaders, and more. Send us your machine model and serial number and we will identify the correct part number and provide pricing.

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