ATG21017 Alternator 3844393 384-4393 for Caterpillar D9R Bulldozer-Products-TIANGUAN-Page 1

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ATG21017 Alternator 3844393 384-4393 for Caterpillar D9R Bulldozer

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US$195.00

ITEMNO： ATG21017

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PRODUCT DETAILS

ATG21017 Alternator 3844393 384-4393 for Caterpillar D9R Bulldozer

OEM Part Numbers: 3844393 / 384-4393

Product Description

ATG21017 Alternator is a high-quality aftermarket replacement designed for Caterpillar D9R bulldozer and heavy-duty construction equipment applications. It replaces OEM numbers 3844393 and 384-4393, providing reliable charging performance and stable electrical power output for demanding work environments.

This alternator is engineered for heavy equipment operation, helping maintain battery charging efficiency and supporting the electrical systems of Caterpillar machinery. It is suitable for repair, maintenance and replacement applications where dependable performance and durability are required.

Product Specifications

Item	Specification
Product Type	Alternator
Model Number	ATG21017
OEM Replacement	3844393 / 384-4393
Voltage	24V
Amperage	100A
Rotation	CW (Clockwise)
Condition	Aftermarket / New
Application	Caterpillar D9R Bulldozer & Heavy Equipment

Compatible Caterpillar Models

Caterpillar D9R Bulldozer
Caterpillar Track-Type Tractors
Heavy-Duty Construction Equipment

Weight & Package Information

Item	Specification
Net Weight	11.0 kg
Gross Weight	12.5kg
Package Size	36 × 32 × 30 cm

PRODUCT HIGHLIGHTS

Product Highlights

Feature 1	Feature 2	Feature 3
Heavy-Duty Replacement Design	24V Stable Charging Output	Built for Caterpillar Equipment
Replaces 3844393 / 384-4393	Reliable Electrical Performance	Suitable for D9R Bulldozer Applications

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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