JD 450-450E, 550, 550B Dozer Blade Parts

Replacement dozer blade parts for John Deere 450 through 450E, 550, and 550A/550B crawler dozers, covering blade pins, bushings, hydraulic cylinders, wear plates, cross frames, and pivot kits for the 6405 blade and related mounting hardware.

Fits Models At A Glance

• 450 Series: 450, 450B, 450C, 450D, 450E
• 550 Series: 550, 550A, 550B

Key Notes

• Application: Blade angle, lift, and tilt cylinder pins, bushings, and assemblies for 6405 blades
• Wear Parts: Slide plates, wear plates, shims, and weld-on blade faces to restore blade geometry
• Structural: Main center pins, cross frame, cross member pins, and pivot bushing kits
• Service: Universal bushing driver tool available for removal and installation

Why Choose Broken Tractor

• ✅ Complete blade rebuild parts under one roof
• ✅ New and used inventory for older machines
• ✅ Fast shipping from two US locations

Frequently Asked Questions

What blade cylinders does Broken Tractor carry for a John Deere 450 dozer with a 6405 blade?

We carry the hydraulic lift cylinder (SKU AT40473), tilt cylinder (SKU AU13847), and angle cylinder (SKU AU13861) for the 6405 blade. These fit the 450, 450B, 450C, 450D, 450E, 550, and 550B dozers. Match the part number to your machine to confirm the correct cylinder for your setup.

What parts do I need to rebuild the blade pins and bushings on a John Deere 550B dozer?

Broken Tractor offers the main center blade pin (SKU AT48589), main center blade bushing (SKU U16878), and the blade pin pivot kit with bushing (SKU AU13937) for the 450 through 450E, 550, and 550B dozers. We also carry cylinder rod end, front, and rear pins along with tube end and frame bushings to complete the job. A universal bushing driver tool (SKU BushingDriver) is available for removal and installation.

How do I restore blade geometry on a worn John Deere 450 dozer blade?

Broken Tractor carries blade slide plates (SKU T105543), wear plates (SKU T105544), and slide plate shims at 0.075 inch thick (SKU T34408) to take up wear and reset blade fit. For badly worn cutting edges we also offer a weld-on replacement blade face (SKU T80343). These parts fit the 450, 450B, 450C, 450D, 450E, 550, and 550B dozers with the 6405 blade.

Does the blade pivot bushing T80348 fit a John Deere 550 dozer?

Yes, the blade pivot bushing (SKU T80348) fits the 450C, 450D, 550, 550A, and 550B dozers. If you are unsure whether it matches your machine, confirm by part number or reach out to the parts team to verify fitment for your serial number.

What is the main cross frame part number for a John Deere 450 dozer blade?

The main cross frame for the John Deere dozer blade is SKU BU10737, and it fits the 450, 450B, 450C, 450D, 450E, 550, and 550B. We also carry the cross member pin (SKU U41528) and C-frame rear blade pin (SKU U16920) for the same models. Match the part numbers to your machine to be sure of the right structural parts.