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AJ-ELECTRIC Premium Quality New Gear Reduction Starter for Caterpillar Diesel Engines 0R2189 0R4260 0R5218 3T2657 6V3948
DESCRIPTION
Premium Quality New 39MT Gear Reduction Starter
12V • 7.3kW • 12 Tooth • Clockwise Rotation
Premium-quality new heavy-duty gear-reduction starter for specified Caterpillar diesel engines and equipment.
This modern 39MT-style starter replaces selected older Caterpillar direct-drive starter configurations, providing an updated, lighter-weight starting solution.
Upgrade to Modern Gear Reduction Technology
- Faster Starting — High cranking torque helps deliver dependable diesel engine starting.
- Lighter Weight — Compact gear-reduction construction weighs less than many traditional direct-drive starters.
- Longer Service Life — Modern heavy-duty construction is designed for dependable operation.
- Integrated Magnetic Switch (IMS) — Helps provide reliable solenoid activation.
- Rotatable Mounting Flange — Allows indexing to accommodate different mounting configurations.
- Over-Crank Protection (OCP) — Helps protect against excessive cranking.
The replacement starter may differ in appearance from the original direct-drive unit.
PRODUCT FEATURES
- Premium-quality new starter
- 39MT-style planetary gear reduction
- 12V, 7.3kW output
- 12-tooth starter drive
- Clockwise rotation
- Rotatable three-hole mounting flange
- Movable IMS relay
- Over-Crank Protection
- No core charge
REPLACES / CROSS REFERENCE
Caterpillar
0R2189, 0R4260, 0R4265, 0R5208, 0R5216, 0R5218, 1430540, 2N3538, 2N9305, 3E7864, 3R2657, 3T2655, 3T2657, 3T2659, 4N8253, 6V3948, 6V3954, 6V4214, 7G9132, 7T9255, 8C356, 8C3595, 8C3643, 0C3596
Delco Remy
8200433
SPECIFICATIONS
- Condition: New
- Voltage: 12V
- Power: 7.3kW
- Type: Planetary Gear Reduction (PLGR)
- Starter Family: 39MT Replacement
- Rotation: Clockwise
- Pinion Teeth: 12
- Pinion Outside Diameter: 46 mm
- Overall Length: 363.8 mm
- Mounting: Three-hole rotatable flange
- Mounting Holes: 16.8 mm, unthreaded
- IMS Relay: Included
- Over-Crank Protection: Included
- Weight: 33.1 lb / 15.04 kg
APPLICATIONS
CATERPILLAR DIESEL ENGINES
Caterpillar 3208
- Machine engine applications
- Truck engine applications
- Marine engine applications
- Associated original starter number: 3T2657
Caterpillar 3304
- Selected diesel engine applications
- Associated original starter number: 6V3948
Caterpillar 3306
- Selected diesel engine applications
- Associated original starter number: 6V3948
Caterpillar 3406
- Selected diesel engine applications
- Associated original starter number: 6V3948
IMPORTANT APPLICATION INFORMATION
This starter replaces the specified Caterpillar original starter numbers according to interchange information.
Verify the original starter number, 12V electrical system, drive and mounting configuration before ordering. Caterpillar equipment may use different starting systems depending on model and configuration.





