12V 4.2kW Starter Motor for Perkins 1004 1006 1104 Engines 2873K634 2873K625
12V 4.2kW Starter Motor for Perkins 1004 1006 1104 Engines 2873K634 2873K625
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Perkins 12V 4.2kW Starter Motor
High-Torque Replacement for 1004, 1006 & 1104 Engines
This 4.2kW high-power starter motor is engineered for heavy-duty Perkins diesel engines requiring superior cranking torque. Designed as a high-speed gear reduction unit, it ensures reliable ignition even in extreme cold or high-compression scenarios. It is a direct upgrade for standard 3.0kW and 3.2kW units, providing the extra muscle needed for industrial machinery and agricultural tractors.
Key Features
- ✔ 4.2kW High-Output for faster cranking
- ✔ Gear Reduction (PLGR) design
- ✔ Precision 10-tooth pinion gear
- ✔ 3-Bolt heavy-duty flange mount
Technical Specs
| Voltage | 12V |
| Power | 4.2 kW |
| Teeth | 10 |
| Rotation | CW (Clockwise) |
| Flange Diameter | 89mm |
| PCD | 127mm |
Compatibility / Fitment Guide
| Engine / System | Model/Application | Build Series |
|---|---|---|
| Perkins 1004 Series | 4.0L / 4.2L Diesel Engines | AA, AB, AD, AG, AH, AJ, AK, AM, AR, AS |
| Perkins 1006 Series | 6.0L Diesel Engines | YA, YB, YD, YG, YH, YK |
| Perkins 1100 Series | 1103D, 1104C-44, 1104D-44T | DC, DD, DJ, DK, RE, RG, RJ, RR |
| Massey Ferguson | 5400, 6200, 6400 Series | 6270, 6280, 6290, 6480, etc. |
| JCB Equipment | 3CX, 4CX Backhoes, Telehandlers | Perkins-powered variations |
OEM Cross Reference
| Perkins | 2873K604, 2873K606, 2873K624, 2873K625, 2873K634, 2873K635 |
| JCB | 714/40159, 714/40231, 714/40531, 714/40536, 320/09454 |
| Caterpillar | 225-3149, 312-7540, 329-0290, 365-3422 |
| Mahle / Iskra | IS1160, MS295, AZF4148, 11.131.575 |
| Massey Ferguson | 3821818M91, 3821818M93, 3821818M94, 3786310M1 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking your current starter's SKU or MPN. This unit is specifically the 4.2kW high-power version; if your engine currently uses a 3.0kW or 3.2kW version with 10 teeth and the same mounting pattern, this is a recommended high-performance upgrade.
Can this replace a 3.0kW starter?
Yes, this 4.2kW unit (e.g., 2873K634) is frequently used to replace lower-power 3.0kW units (like 2873K404) to provide better starting reliability in cold weather or heavy-duty use, provided the mounting dimensions match.
Note: Please verify your original part number against the references above before purchasing. All names and numbers are for reference only.
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