STG93770 Starter Motor 3S4463 / 5R3215 for Caterpillar D7E / D8K / D9H Track Tractors-Products-TIANGUAN-Page 1

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STG93770 Starter Motor 3S4463 / 5R3215 for Caterpillar D7E / D8K / D9H Track Tractors

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ITEMNO： STG93770

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PRODUCT DETAILS

Starter Motor 3S4463 (5R3215) – Fits Caterpillar D7E, D8K, D9H Track Tractors (D342 & D353 Engines)

Part Numbers: 3S4463, 5R3215

Product Description

STG93770 Starter Motor is a heavy-duty aftermarket replacement designed for Caterpillar track-type tractors and pipelayers, including D7E, D8K, and D9H series.

Built for extreme-duty applications such as mining, construction, and earthmoving, this starter delivers high cranking torque, stable 24V performance, and reliable starting under high compression diesel engine conditions. It is a direct replacement for OEM part numbers 3S4463 and 5R3215, ensuring accurate fitment and long service life in demanding environments.

Based on heavy-duty Delco 50MT-type architecture, it is widely used in Caterpillar D342 and D353 engine platforms, known for durability and high load starting capability.

Item	Description
Product Name	Starter Motor 3S4463 (5R3215)
Compatible Equipment	Caterpillar Track Tractors: D7E, D8K, D9H
Compatible Engines	D342 Industrial Diesel, D353 Mining Spec
Voltage	24V DC
Power	9 kW (12 HP)
Rotation	Clockwise (CW)
Teeth	12T (Module 4.0)
Gear OD	46.5 mm (1.831″)
Mounting	16.76 mm (0.660″) unthreaded holes (SAE #3)
Housing Type	Long-nose drive end
Weight	34.5 kg
OEM / Cross Reference	Caterpillar: 3S4463, 5R3215, IPD1P9182 Military NSN: 2920-01-017-9389
Key Features	- Heavy-duty direct drive starter motor - OEM-equivalent replacement for CAT 3S4463 & 5R3215 - Laser-aligned gears ±0.01mm tolerance - Triple-sealed bearings, IP66 rated - Precision-fit with 68° solenoid alignment
Benefits	- Reliable industrial and mining-grade starting performance - Compatible with track tractors and heavy-duty engines - Ensures long service life under extreme conditions
Package Includes	1 × Starter Motor (Delco DD type) 3 × SAE Grade 8 Mounting Bolts Installation Manual

Compatible Applications

Manufacturer	Model	Engine
Caterpillar	D7E	D342
Caterpillar	D8K	D342
Caterpillar	D9H	D353
Caterpillar	583 / 594 Pipelayers	D342 / D353

Packing Information

Item	Value
Net Weight (NW)	34.5 KG
Gross Weight (GW)	36.9 KG
Carton Size	60 × 32 × 30 CM

PRODUCT HIGHLIGHTS

Product Highlights

Feature 1	Feature 2	Feature 3
50MT Heavy-Duty Design	High Torque Output	OEM Direct Replacement
Stable 24V Cranking	Long Service Life	Industrial-Grade Durability
Strong Gear Engagement	Built for High Compression Engines	Tested for Mining 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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