STG93881 Starter Motor 618-5622 for Caterpillar AD30 / AD45 / AD45B / AD55 / AD63 / D6R-II-Products-TIANGUAN-Page 1

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STG93881 Starter Motor 618-5622 for Caterpillar AD30 / AD45 / AD45B / AD55 / AD63 / D6R-II

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PRODUCT DETAILS

Starter Motor 618-5622 for Caterpillar AD30 / AD45 / AD45B / AD55 / AD63 / D6R-II

Part Number: 618-5622

Product Description

STG93881 Starter Motor is a heavy-duty aftermarket replacement designed for Caterpillar articulated dump trucks and track-type tractors, including AD30, AD45, AD45B, AD55, AD63, and D6R-II models.

Built on a Delco 50MT direct-drive platform, this starter delivers high cranking torque, stable 24V performance, and excellent reliability for mining, construction, and earthmoving applications. It is engineered for high-compression diesel engines requiring strong starting power in harsh operating environments

Item	Details
Product Type	Starter Motor
Part Number	618-5622
Brand / Series	DELCO 50MT DD
Voltage	24V
Power Output	9.0KW
Pinion Teeth	11 Teeth
Rotation	CW (Clockwise)
Starter Type	Heavy-Duty Diesel Starter
Application	Mining, Construction, Earthmoving Equipment
Condition	New Replacement

Key Features & Benefits

Feature	Description
High Power 9.0KW Output	Provides powerful cranking torque for starting large diesel engines.
DELCO 50MT DD Design	Proven heavy-duty starter design used in mining and construction machinery.
Precision 11-Tooth Pinion Gear	Ensures smooth flywheel engagement and long service life.
Heavy-Duty Construction	Built to withstand harsh environments such as mining sites and heavy construction operations.
Direct Replacement Fit	Designed for easy installation and reliable compatibility with Caterpillar equipment.

Compatible Caterpillar Applications (Partial List)

Articulated Trucks & Haul Trucks

Models
AD30
AD45
AD45B
AD55
AD63
730
735
740
745
770G
772G
773G
775G
777G
793F
795F-AC
798AC

Dozers & Track-Type Tractors

Models
D6R-II
D6R-III
D6T
D7R
D8R
D9T
D10R
D11R

Excavators

Models
330C
330D
336D
345B-II
365C
374D
385C
390D

Wheel Loaders

Models
966K
972M
980H
988H
992K
993K

Mining Loaders & Underground Equipment

Models
R2900
R3000H
5080
5110B

Packing Information

Item	Value
Net Weight (NW)	34.0 KG
Gross Weight (GW)	36.5 KG
Carton Size	60 × 32 × 30 CM

PRODUCT HIGHLIGHTS

Product Highlights

Feature 1	Feature 2	Feature 3
50MT Heavy-Duty Design	OEM Direct Replacement	Stable 24V High-Torque Starting
Mining-Grade Durability	Strong Gear Engagement	Reliable Cold & Hot Start Performance
Built for Harsh Environments	Long Service Life	Tested for Heavy Equipment Use

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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