Case 1150, 1450, 1550 Dozer Blade Parts

Blade pins, bushings, blade pivot components, tilt cylinder components, lift cylinder components, bracket assemblies, blade faces, and related hardware for Case 1150, 1450, and 1550 series crawler dozers.

Fits Models At A Glance

• 450 / 455 Series: 450, 450B, 450C, 450D, 450E, 455B, 455C
• 550 Series: 550, 550E, 550G
• 850 Series: 850, 850B, 850C, 850D, 850E
• 1150 Series: 1150, 1150B, 1150C, 1150D, 1150E, 1150E LT, 1150G, 1150H
• 1450 / 1550 Series: 1450, 1450B, 1550

Key Notes

• Application: Blade pins, bushings, and structural components for Case 1150, 1450, and 1550 series crawler dozer blade systems
• Coverage: Includes angle cylinder rod pins, tilt cylinder to blade pins, blade pivot pins, lift cylinder to cowl pins, rear blade block pins, angle cylinder pins, tilt cylinder pins, main center blade pins, blade center bushings in multiple OD sizes, self-aligning swivel bushings, tilt cylinder tube bushings, lift cylinder trunnions, blade pivot blocks, bracket assemblies, threaded wear plates, blade slide bracket wear plates, tilt blocks, blade center bushing spacers, snap rings, ball bearings, blade faces, center pin nuts, and bushing tools
• Function: Maintains blade lift, tilt, angle cylinder, blade pivot, and C-frame function on Case 1150, 1450, and 1550 series crawler dozer platforms
• Fitment Note: Multiple blade center bushing OD sizes available — verify model and bushing size when ordering

Why Choose Broken Tractor

• ✅ Blade pivot bushings available in multiple sizes for 1150, 1450, and 1550 series
• ✅ Blade pins, tilt cylinders, lift trunnions, and bracket assemblies available
• ✅ Covers 1150 through 1550 series dozer platforms

Frequently Asked Questions

Which blade swivel bushing fits a Case 1150 dozer?

The correct blade swivel bushing depends on your 1150 series model. Broken Tractor carries R37021 for the 1150B and 1150C, R41800 for the 1150D, 1150E and 1150G, and the sealed R55698 for the 1150E, 1150G and 1150H. Blade center bushings come in multiple OD sizes, so verify your model and bushing size, or match the part number on your old bushing, before ordering.

What snap ring and spacer go with the Case 1150 blade pivot bushing?

Each blade swivel bushing has its own matching snap ring and spacer. The R41800 bushing uses the R32220 snap ring and the R45224 blade pivot spacer, and the sealed R55698 bushing uses the 39325 blade snap ring and the R55700 spacer. The R37021 bushing pairs with the R37022 blade swivel spacer.

What blade parts do you carry for a Case 1450 or 1550 dozer?

We carry the R37269 blade main center pin for the 1450, 1450B and 1550, plus the R37037 self-aligning swivel bushing and the R37198X bracket assembly for the 1450B and 1550. The A55435 blade swivel bushing retainer and the 15-40 blade frame bushing also fit the 1450, 1450B and 1550. The R41800 blade swivel bushing fits the 1450B and 1550, and R26680 fits the 1450 and 1450B.

What size blade face fits a Case 1150 dozer?

Broken Tractor offers a 120 inch blade face, SKU PV517, that fits the Case 1150, 1150B, 1150C, 1150D and 1150E. It is a two-piece design made from AR200 steel.

What pins and bushings hold the tilt cylinder on a Case 1150 dozer?

For the 1150, 1150B, 1150C, 1150D and 1150E, we carry the D52386 blade tilt cylinder pin, the D32933 rear block pin for the tilt cylinder, the D30929 tilt cylinder tube support bushing and the 70315 tilt block. Fitment varies by model and serial number, so match the part number from your machine or call (800) 909-7060 to confirm before ordering.