JD Dozer Transmission

Transmission shafts, gears, and drivetrain components for John Deere crawler dozers, covering replacement parts for popular G-series machines including the 650G. Rebuild and repair worn transmission internals with correct-fit components matched to serial number ranges.

Fits Models At A Glance

• G Series: 650G, 750G, 850G
• Related Crawler Dozers: 550G, 450G

Key Notes

• Application: Transmission shafts and internal drivetrain components for crawler dozers
• Part Types: Transmission shafts, gears, and related hardware
• Verification: Confirm fitment by serial number before ordering
• Condition: New and used components available

Why Choose Broken Tractor

• ✅ Correct-fit dozer transmission parts by model
• ✅ Fast shipping from two US locations
• ✅ Knowledgeable staff who know Deere crawlers

Frequently Asked Questions

What transmission parts do you carry for the John Deere 650G dozer?

We carry transmission shafts, gears, and related drivetrain hardware for the John Deere 650G crawler dozer, including the 21 Tooth Transmission Shaft, part number AT134880. These are internal drivetrain components used to rebuild or repair worn 650G transmissions. Match the part number to your machine before ordering to confirm fitment.

Does the AT134880 transmission shaft fit my John Deere 650G?

The AT134880 21 Tooth Transmission Shaft is listed as fitting the John Deere 650G dozer. Because transmission fitment on these crawlers can depend on serial number range, confirm your serial number matches before ordering. Our parts team can help verify the correct shaft for your machine.

Can I rebuild a John Deere 650G transmission instead of replacing it?

Yes, many worn 650G transmissions can be repaired by replacing individual internal components such as shafts and gears rather than swapping the whole unit. Broken Tractor offers correct-fit transmission internals like the AT134880 shaft matched to serial number ranges. If you are unsure which parts you need for your rebuild, call our team at (800) 909-7060.

Do you offer transmission parts for other John Deere G-Series dozers besides the 650G?

Broken Tractor stocks transmission shafts, gears, and drivetrain components for John Deere G-Series crawler dozers including the 650G, 750G, and 850G, along with related models like the 450G and 550G. Availability varies by model and part, so confirm fitment by serial number. Contact our parts team to match the correct component to your dozer.

Are John Deere 650G transmission parts new or used?

We stock both new and used transmission components for John Deere crawler dozers, depending on the part. This lets you choose the option that fits your rebuild and budget. Confirm the condition and fitment of a specific part number with our team before ordering.