ALTERNATOR
GCO: A49.21

Alternator Cat120H D6G Dozer

OEM Part No. 6N9294 3306
Compatible With D6G DOZER
Category ALTERNATOR
Availability ✓ In Stock
Alternator Cat120H D6G Dozer – ENGINE ALTERNATOR ASSEMBLY | OEM: 6N9294 3306
✓ Genuine Quality ✓ Pan India Shipping ✓ Expert Support

Product Specifications

BrandCompatible Model(s)OEM Part NumberGCO CodePart TypeAvailability
Caterpillar (CAT)D6G DOZER6N9294 3306A49.21ALTERNATOR✓ In Stock

Product Description

OEM Part Numbers: 6N9294 3306

Machine ModelPart Number
D6G DOZER6N9294 3306

Designed for the D6G DOZER, the 6N9294 3306 alternator cat120h d6g dozer ensures a constant supply of electrical energy to machine systems and battery charging throughout engine operation. A failed alternator leads to rapid battery discharge, loss of electrical systems, and eventual machine shutdown — typically occurring mid-operation without warning. Manufactured to OEM reference 6N9294 3306 for accurate electrical fitment on the D6G DOZER with correct voltage and current output.

Key Features:

  • Battery Protection: Maintains correct charge voltage to extend battery life and prevent deep-discharge damage.
  • OEM Compatible: Built to reference 6N9294 3306 for direct, connector-compatible fitment on the D6G DOZER.
  • Sustained Power Delivery: Provides stable electrical output to all machine systems under varying engine loads.

The 6N9294 3306 alternator cat120h d6g dozer is a critical electrical component for maintaining battery charge and powering all machine systems on the D6G DOZER.

What Does This Alternator Do?

Generates electrical power while the engine is running to recharge the battery and supply all of the machine's electrical systems — including lights, ECU, sensors, solenoids, and the instrument panel.

Possible Alternator Problem Symptoms

If your machine is showing any of the following, a faulty alternator may be the cause:

  • Battery warning light appearing on the instrument panel
  • Battery draining despite the engine running normally
  • Electrical accessories dimming or monitor display flickering
  • Machine failing to start after being left standing for a short period

Why Buy From GCO Products?

Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.

Supplying Since 1999

Over 27 years of experience in the earthmoving parts industry.

Technical Support

Our team helps you confirm the right part before you order.

GST Billing

Proper GST invoices on every order for your accounting needs.

Pan-India Supply

Fast dispatch from Jalandhar to all states across India.

Bulk & Wholesale

Volume pricing available for fleet owners, dealers and distributors.

OEM & Aftermarket

Both genuine OEM and quality aftermarket options available.

How to Confirm Compatibility

To ensure this part is the correct fit for your machine, have the following ready when you contact us:

  • 1
    Machine Model & Year

    E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.

  • 2
    Machine Serial Number

    Found on the machine's chassis plate. Helps confirm the exact production variant.

  • 3
    OEM Part Number

    From your parts manual, the old part itself, or the machine's service documentation.

Not sure if this part fits your machine?

WhatsApp Us to Confirm Typically replies within a few hours

Disclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.