Denso Gear Reduction Starter Motor 24V 4.5kW - Komatsu
Denso Gear Reduction Starter Motor 24V 4.5kW - Komatsu is backordered and will ship as soon as it is back in stock.
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Denso gear reduction starter motor with a nominal voltage of 24V and nominal power of 4.5kW. It has an 11-tooth pinion and rotates clockwise. Connections are made via terminal 30 (M10) and terminal 50 (M5).
The unit has an installation length of 249.0mm, a fitting diameter of 95.0mm, and a spacing of 20.0mm from flange to flywheel. It is fitted using 2 x 13.0mm holes. This part carries the reference number DSN2057 and has confirmed fitment across a range of Komatsu construction plant models.
Fitment
| Brand | Series/Type |
|---|---|
| Komatsu | Series -8: PW98MR-8, PW118MR-8 |
| Komatsu | Series -8/-8EO: PC130-8 |
| Komatsu | Series -10: PW98MR-10 |
| Komatsu | Series -22: D37EX-22 |
| Komatsu | Series -24: D37EX-24/EXi-24 |
| Komatsu | Series MR: PC88MR-8, PC88MR-10, PC118MR-8 |
| Komatsu | Series US: PC138US-8, PC138US-10 |
Key Features
- Nominal voltage 24V, nominal power 4.5kW
- 11-tooth pinion, Gear Reduction (GR) type
- Clockwise rotation
- Terminal 30 (M10) and terminal 50 (M5) connections
- Confirmed fitment: Komatsu PW, PC and D37 series excavators, wheel loaders and dozers across multiple series generations
- 7 OE cross-reference numbers (Komatsu and Denso)
OE Reference Numbers
| Part Number | Brand |
|---|---|
| DSN2057 | Reference number |
| 228000-1440 | Denso |
| 228000-1441 | Denso |
| 228000-1442 | Denso |
| 228000-1443 | Denso |
| 228000-1444 | Denso |
| 228080-1445 | Denso |
| 600-813-4461 | Komatsu |
| 600-813-4462 | Komatsu |
Specifications
| Specification | Detail |
|---|---|
| Type | Gear Reduction (GR) |
| Nominal voltage | 24V |
| Nominal power | 4.5kW |
| No. of pinion teeth | 11 |
| Holes/PCD | 2 x 13.0mm |
| Spacing flange to flywheel | 20.0mm |
| Installation length | 249.0mm |
| Fitting diameter | 95.0mm |
| Direction of rotation | Clockwise |
| Connection | Terminal 30 (M10), terminal 50 (M5) |
| Part number | 3780010141 |
| Reference number | DSN2057 |
| Weight | 8.93 kg |
| Condition | New |
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