Komatsu S6D125-1CC Cylinder Block Parts Hub
Komatsu S6D125-1CC Cylinder Block Parts is a focused 19PARTS hub for buyers working inside a specific Komatsu engine model and repair system. It is meant to reduce guesswork by tying engine-model navigation to related product listings and part-number references.
Diagram callout lookup for Komatsu S6D125-1CC Cylinder Block Parts
Use each diagram together with the table directly below it. The Diagram Ref. column corresponds to the location number shown on that specific image. Clickable part numbers link to matching 19PARTS product pages where a product match exists.
S6D125-1CC — Power Take Off
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 6128-21-4321 | Gear,Idle | 1 | SN: 22313-UP |
| 4 | 01010-31230 | Bolt | 6 | SN: 22313-UP |
| 5 | 01643-31232 | Washer | 6 | SN: 22313-UP |
| 6 | 6128-21-4340 | Retainer | 1 | SN: 22313-UP |
| 7 | 6128-21-4360 | Lock (K3) | 1 | SN: 22313-UP |
| 12 | 06000-06214 | Bearing | 2 | SN: 22313-UP |
| 14 | 07000-03145 | O-Ring (K3) | 1 | SN: 22313-UP |
| 16 | 01530-06814 | Nut | 1 | SN: 22313-UP |
| 17 | 01658-26823 | Washer,Lock (K3) | 1 | SN: 22313-UP |
| 19 | 07000-03140 | O-Ring (K3) | 1 | SN: 22313-UP |
| 20 | 01010-31030 | Bolt | 5 | SN: 22313-UP |
| 23 | 6691-21-4921 | Gasket,(For Shipping) (K3) | 1 | SN: 22313-UP |
| 24 | 01010-31230 | Bolt,(For Shipping) | 6 | SN: 22313-UP |
| 27 | 6645-22-4550 | Plate,Lock (K3) | 2 | SN: 22313-UP |
| 29 | 04065-07525 | Ring,Snap | 1 | SN: 22313-UP |
| 30 | 06000-06009 | Bearing | 2 | SN: 22313-UP |
| 33 | 04064-04518 | Ring,Snap | 1 | SN: 22313-UP |
| 35 | 07000-03100 | O-Ring (K3) | 1 | SN: 22313-UP |
| 36 | 01010-31035 | Bolt | 2 | SN: 22313-UP |
| 38 | 07000-02085 | O-Ring (K3) | 1 | SN: 22313-UP |
| 40 | 01582-01210 | Nut | 4 | SN: 22313-UP |
| 41 | 01602-01236 | Washer,Spring | 4 | SN: 22313-UP |
S6D125-1CC — Cylinder Block
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 2 | 6150-21-1490 | Bushing,Camshaft | 7 | SN: 22313-UP |
| 6 | 01643-31645 | Washer | 14 | SN: 22313-UP |
| 7 | 07043-50108 | Plug | 7 | SN: 22313-UP |
| 8 | 07040-12414 | Plug | 1 | SN: 22313-UP |
| 9 | 07002-22434 | O-Ring (K2) | 1 | SN: 22313-UP |
| 11 | 07002-23034 | O-Ring (K2) | 1 | SN: 22313-UP |
| 13 | 07046-43016 | Plug | 2 | SN: 22313-UP |
| 14 | 07046-44016 | Plug | 1 | SN: 22313-UP |
| 18 | 04020-00820 | Pin,Dowel | 12 | SN: 22313-UP |
| 22 | 07005-01412 | Gasket (K2) | 1 | SN: 22313-UP |
| 23 | 04020-00514 | Pin,Dowel | 2 | SN: 22313-UP |
| 27 | 04020-01024 | Pin,Dowel | 2 | SN: 22313-UP |
| 28 | 6150-21-4770 | Pin,Dowel | 2 | SN: 22313-UP |
| 30 | 07005-01012 | Gasket (K2) | 2 | SN: 22313-UP |
| 36 | 6151-21-2220 | Liner,Cylinder | 6 | SN: 22313-UP |
| 37 | 6150-21-2230 | O-Ring,Lower (K2) | 6 | SN: 22313-UP |
| 38 | 6150-21-2240 | O-Ring,Upper (K2) | 6 | SN: 22313-UP |
| 39 | 6150-21-2250 | Seal,Crevice (K2) | 6 | SN: 22313-UP |
| 41 | 6150-21-1190 | O-Ring (K2) | 2 | SN: 22313-UP |
| 42 | 07046-42816 | Plug | 1 | SN: 22313-UP |
| 43 | 08073-00505 | Switch | 1 | SN: 22313-UP |
S6D125-1CC — Front Cover And Gear
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 01010-51075 | Bolt | 6 | SN: 22313-UP |
| 5 | 01640-21016 | Washer | 18 | SN: 22313-UP |
| 10 | 6150-21-3230 | Seal¤ Front (K2) | 1 | SN: 22313-UP |
| 14 | 6150-71-1910 | Seal (K2) | 1 | SN: 22313-UP |
| 15 | 6162-73-1960 | Washer (K2) | 1 | SN: 22313-UP |
| 17 | 07000-03030 | O-Ring (K2) | 1 | SN: 22313-UP |
| 19 | 07000-02020 | O-Ring (K2) | 1 | SN: 22313-UP |
| 21 | 01640-21016 | Washer | 1 | SN: 22313-UP |
| 23 | 6130-82-5270 | Gasket | 1 | SN: 22313-UP |
| 25 | 6150-31-6120 | Bushing | 1 | SN: 22313-UP |
| 29 | 01010-31460 | Bolt | 1 | SN: 22313-UP |
| 32 | 6150-31-6220 | Bushing | 2 | SN: 22313-UP |
| 38 | 09920-00150 | Liquid Gasket,Lg-7¤ 150G | - | SN: 22313-UP |
| 34A | 01643-50823 | Washer | 6 | SN: 30439-UP |
S6D125-1CC — Cylinder Block Cover(#22313-23506)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 6150-21-6710 | Breather | 1 | SN: 22313-23506 |
| 4 | 6114-21-5190 | O-Ring (K2) | 1 | SN: 22313-23506 |
| 5 | 07286-01963 | Hose | 1 | SN: 22313-23506 |
| 8 | 6150-21-6460 | O-Ring (K2) | 3 | SN: 22313-@ |
| 10 | 6136-11-8130 | Washer | 9 | SN: 22313-@ |
| 11 | 6136-11-8142 | Packing (K2) | 9 | SN: 22313-@ |
| 13 | 07281-00609 | Clamp | 2 | SN: 22313-@ |
| 15 | 6136-21-7120 | Cap Ass'Y | 1 | SN: 22313-@ |
| 20 | 01640-21016 | Washer | 2 | SN: 22313-@ |
| 23 | 01640-21016 | Washer | 2 | SN: 22313-@ |
| 24 | 01580-11008 | Nut | 2 | SN: 22313-@ |
| 28 | 6150-21-5331 | Gauge,Level | 1 | SN: 22313-@ |
| 31 | 01010-50816 | Bolt | 1 | SN: 22313-@ |
S6D125-1CC — Crankshaft
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 6151-31-1010 | Crankshaft Ass'Y | 1 | SN: 22313-UP |
| 2 | 6150-31-1121 | Gear,Crankshaft | 1 | SN: 22313-UP |
| 11 | 04020-01228 | Pin,Dowel | 1 | SN: 22313-UP |
| 13 | 01643-31232 | Washer | 6 | SN: 22313-UP |
| 15 | 6150-21-8010 | Main Metal Ass'Y | 7 | SN: 22313-UP |
| 15 | 6150-26-8010 | Main Metal Ass'Y | 7 | SN: 22313-UP |
| 15 | 6150-27-8010 | Main Metal Ass'Y | 7 | SN: 22313-UP |
| 15 | 6150-28-8010 | Main Metal Ass'Y | 7 | SN: 22313-UP |
| 15 | 6150-29-8010 | Main Metal Ass'Y | 7 | SN: 22313-UP |
| 17 | 6150-21-8050 | Thrust Metal Ass'Y | 1 | SN: 22313-UP |
| 17 | 6150-28-8050 | Thrust Metal Ass'Y | 1 | SN: 22313-UP |
| 17 | 6150-29-8050 | Thrust Metal Ass'Y | 1 | SN: 22313-UP |
S6D125-1CC — Cylinder Block Cover(#23507-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 3 | 6150-21-6450 | Gasket (K2) | 3 | SN: 41881-UP |
| 3 | The part specified in the line above can be used instead of this part6150-21-6460 | O-Ring (K2) | 3 | SN: 22313-41880 |
| 5 | 6136-11-8130 | Washer | 9 | SN: 22313-29175 |
| 6 | 6150-21-6390 | Packing | 9 | SN: 29176-UP |
| 6 | The part and the part specified in the line immediately above are interchangeable.6136-11-8142 | Packing (K2) | 9 | SN: 22313-29175 |
| 8 | 07281-00609 | Clamp | 2 | SN: 22313-UP |
| 10 | 6136-21-7120 | Cap Ass'Y | 1 | SN: 22313-UP |
| 15 | 01640-21016 | Washer | 2 | SN: 22313-UP |
| 18 | 01640-21016 | Washer | 2 | SN: 22313-UP |
| 19 | 01580-11008 | Nut | 2 | SN: 22313-UP |
| 23 | 6150-21-5331 | Gauge,Level | 1 | SN: 22313-UP |
| 26 | 01010-50816 | Bolt | 1 | SN: 22313-UP |
Shop the Komatsu S6D125-1CC Cylinder Block Parts collection
S6D125-1CC Cylinder Block Parts lookup notes
Use this hub when the repair has already been narrowed to cylinder block parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.
Related parent hubs
Featured parts in this hub
- Komatsu Engine Ball Bearing 06000-06009 — SKU KOM-06000-06009 | Ball Bearing
- Komatsu Engine Ball Bearing 06000-06214 — SKU KOM-06000-06214 | Ball Bearing
- Komatsu Engine Bushing 6151-31-3230 — SKU KOM-6151-31-3230 | Bushing
- Komatsu Engine Connecting Rod Ass'Y 6151-31-3200 — SKU KOM-6151-31-3200 | Connecting Rod Ass'Y
- Komatsu Engine Crankshaft Ass'Y 6151-31-1010 — SKU KOM-6151-31-1010 | Product code 6151-31-1110 | Crankshaft Ass'Y
- Komatsu Engine Gasket 6691-21-4921 — SKU KOM-6691-21-4921 | Gasket
- Komatsu Engine Gauge Oil Level 6150-21-5331 — SKU KOM-6150-21-5331 | Gauge Oil Level
- Komatsu Engine Gear Crankshaft 6150-31-1121 — SKU KOM-6150-31-1121 | Gear Crankshaft
- Komatsu Engine Hose 07286-01963 — SKU KOM-07286-01963 | Hose
- Komatsu Engine Idler Gear 6128-21-4321 — SKU KOM-6128-21-4321 | Idler Gear
- Komatsu Engine Liner Cylinder 6151-21-2220 — SKU KOM-6151-21-2220 | Liner Cylinder
- Komatsu Engine Lock 6128-21-4360 — SKU KOM-6128-21-4360 | Lock
- Komatsu Engine Metal Ass'Y 6150-31-3040 — SKU KOM-6150-31-3040 | Product code 6151-31-3040 | Metal Ass'Y
- Komatsu Engine Nut Lock 01530-06814 — SKU KOM-01530-06814 | Nut Lock
- Komatsu Engine O-Ring 07000-03100 — SKU KOM-07000-03100 | O-Ring
- Komatsu Engine O-Ring 07000-03140 — SKU KOM-07000-03140 | O-Ring
- Komatsu Engine O-Ring 07000-03145 — SKU KOM-07000-03145 | O-Ring
- Komatsu Engine O-Ring Cylinder Block Cover 6150-21-6460 — SKU KOM-6150-21-6460 | O-Ring Cylinder Block Cover
- Komatsu Engine Pin Piston 6151-31-2420 — SKU KOM-6151-31-2420 | Pin Piston
- Komatsu Engine Piston 6151-31-2171 — SKU KOM-6151-31-2171 | Product code 6151-31-2510 | Piston
- Komatsu Engine Piston Ass'Y 6151-31-2071 — SKU KOM-6151-31-2071 | Piston Ass'Y
- Komatsu Engine Piston Ring Ass'Y 6150-31-2032 — SKU KOM-6150-31-2032 | Piston Ring Ass'Y
- Komatsu Engine Plate Lock 6645-22-4550 — SKU KOM-6645-22-4550 | Plate Lock
- Komatsu Engine Plug 07046-15520 — SKU KOM-07046-15520 | Plug
- Komatsu Engine Retainer Bearing 6128-21-4340 — SKU KOM-6128-21-4340 | Retainer Bearing
- Komatsu Engine Ring Snap 04064-04518 — SKU KOM-04064-04518 | Ring Snap
- Komatsu Engine Seal¤ Rear 6150-21-4250 — SKU KOM-6150-21-4250 | Product code 6151-21-4160 | Seal¤ Rear
- Komatsu Engine Washer 01658-26823 — SKU KOM-01658-26823 | Washer
Parts-book verification before ordering
Komatsu engine parts often change by engine arrangement, serial range, diagram callout, and option note. 19PARTS uses engine-model organization to help you move from a broad Komatsu part number search into a tighter reference path, but final fitment should always be confirmed against your engine serial number and parts book.
Our Keep Ops Moving approach is simple: give buyers cleaner lookup paths, clear part-number references, and practical cross-navigation so rebuild shops, fleet teams, mechanics, and equipment owners can identify the right components faster.