STG93808 Caterpillar Starter Motor 478-9866 – 24V 50MT DD 11T CW (AD30 / AD45 / AD45B / AD55)-Products-TIANGUAN-Page 1

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STG93808 Caterpillar Starter Motor 478-9866 – 24V 50MT DD 11T CW (AD30 / AD45 / AD45B / AD55)

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ITEMNO： STG93808

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PRODUCT DETAILS

Caterpillar AD30 AD45 AD45B AD55 Starter Motor 478-9866 | 24V 50MT DD 11T CW

Part Number: 478-9866

Product Description

STG93808 Starter Motor is a heavy-duty aftermarket replacement designed for Caterpillar articulated dump trucks and heavy mining equipment, including AD30, AD45, AD45B, and AD55 models.

Built on a Delco 50MT direct-drive platform, this starter delivers extreme cranking torque, stable 24V performance, and reliable starting capability for high-compression diesel engines used in demanding mining and earthmoving operations. It is widely applied across Caterpillar heavy equipment platforms requiring robust and durable starting systems.

Key Specifications

Item	Specification
Starter Series	Delco Remy 50MT DD
Unit Type	Starter Motor
Voltage	24V
Power Output	9.0 KW
Rotation	Clockwise (CW)
Number of Teeth	11T
Mount Type	Flange (Direct Mount)
Mounting Holes	3
OE Manufacturer	Delco Remy
Weight	33.6 KG
Condition	Brand New Aftermarket

Replacement Part Number

Brand	Part Number
Caterpillar	478-9866

Fitment / Application

Category	Models
Caterpillar Equipment	AD30, AD45, AD45B, AD55, AD63, D6R-II, D6R-III, D6T, D7R Series, D8R Series, D9T, D10 Series, D11R, 330C/D Series, 336D, 340D, 345B-II, 365C, 374D-L, 385B/C, 390D, 793F, 795F, 966K/L/M, 972K/L/M, 980G/H, 988 Series, 992/993K, 5080, 5110B and more
Engine Compatibility	CAT C9, C10, C11, C12, C13, C15, C16, C18, 3406, 3408, 3412, 3508, 3512, 3516

Packing Information

Item	Value
Net Weight (NW)	33.6 KG
Gross Weight (GW)	35.6 KG
Carton Size	60 × 32 × 30 CM

PRODUCT HIGHLIGHTS

Product Highlights

Feature 1	Feature 2	Feature 3
Heavy-Duty 50MT Construction	High Torque Output	OEM Direct Replacement
Stable 24V Starting System	Strong Gear Engagement	Long Service Life
Designed for Mining Conditions	Reliable Cold Start	Durable Industrial Build

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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