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STG93827 Starter Motor M128R3821SE M128721 for Caterpillar D8K D8L D9L Heavy Duty Equipment

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ITEMNO： STG93827

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PRODUCT DETAILS

STG93827 Starter Motor M128R3821SE M128721 for Caterpillar D8K D8L D9L Heavy Duty Equipment 24V 12KW SAE1 Power Pro Extreme 12 PMGR Starter Motor

Part Numbers:
M128R3821SE, M128721

Product Description

The Power Pro Extreme 12 Starter Motor (STG93827) is a heavy-duty 24V 12KW PMGR starter designed for demanding Caterpillar D8K, D8L, D9L heavy equipment applications. It is engineered as a direct replacement for multiple Caterpillar M128-series and Delco Remy starter motors, delivering high torque output, reliable cranking performance, and long service life in extreme industrial and construction environments.

Built with reinforced components and advanced protection features, this starter ensures stable operation under heavy load conditions. The SAE1 mounting design, 11-tooth high-strength pinion, and clockwise rotation (CW) guarantee proper fitment and dependable engagement for large diesel engines.

Net Weight: 19.3 KG

Specifications

Specification	Details
Product Type	Starter Motor
Model	STG93827
Brand	Power Pro Extreme 12
Voltage	24V
Power Output	12KW
Rotation	Clockwise (CW)
Pinion Teeth	11T
Pinion Pitch	6–8 DP
Pinion Diameter	57 mm
Pinion Rest Position	47 mm
Mounting Type	SAE1 (Special)
Polarity	Insulated Return
Wet Clutch	Yes
Switch Position	37.5°
Condition	100% New
Weight	19.3 KG

OEM & Cross Reference

Brand	Part Numbers
Caterpillar	3T5831, 3T2782, 3T2783, 3T2784, 3T8452, 3T8952, 6T0643, 6V0513, 6V0889, 6V0928, 7T9162, 7N6056, 7N6494, 7N7049, 9G6096, 9G6097, 0R2697, 0R4267, OR4267, 10R1914, 10R9816, 10478850, 10478859, 338-3455, 3383456, 338-3456, 353-7274
Delco Remy	10465601, 10479342, 10479144, 10479961, 10455855, 10457078, 10461732, 10478823, 10478850, 10478853, 10478855, 10478859, 1109555, 1109781, 1109788, 1109789, 1109833, 1109834, 1109836, 1990233, 1990234, 1990241, 1990291, 1993753, 323790, 8200480, 8200543, 8200544, 8200545, 8200578
Power Pro Extreme 12	M128721, M128R3821SE

Fitment

Equipment Type	Models
Caterpillar Heavy Equipment	D8K, D8L, D9L
Construction Machinery	Bulldozers, earthmoving equipment
Mining Equipment	Heavy-duty dozers
Industrial Diesel Applications	M128-series starter systems

PRODUCT HIGHLIGHTS

Product Highlights

Feature 1	Feature 2	Feature 3
Heavy-Duty 24V 12KW Output	Wet Clutch Protection	Jump Start Protection
High Torque Starting Performance	Direct OEM Replacement	PMGR Technology
Designed for Mining & Construction Equipment	Long Service Life	Reliable Operation in Extreme Conditions

SHIPPING

Item Details

Processing Time Orders are processed within 1-3 business days after payment confirmation

Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight

Estimated Delivery Time Express shipping: 3-7 business days, depending on destination

Packaging Export-standard cartons with protective inner packing

Tracking Tracking number will be provided once the order is shipped

Shipping Cost Calculated based on weight, dimensions, and destination

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WARRANTY POLICY

All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

SHIPPING POLICY

We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

EASY RETURN POLICY

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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