Fits Models At A Glance:
- Case Backhoes (480 Series): 430CK, 480CK, 480B, 480C, (480D Before Transmission Serial 16270319)
- Case Backhoes (580 Series): 530CK, 580CK, 580B, 580C, (580D Non Turbo)
- Case Forklifts: 584, 585, 586, 584C, 585C, 586C, (584D, 585D, 586D Before Transmission SN 16249203)
Key Notes:
- Kit Contents: (2) Brake Backing Plate Oil Seals (A39273) + (1) Right Differential Side Gear Seal (A49795)
- Brake Backing Plate Seal — A39273 (qty 2):
- Aftermarket replacement
- Inside Diameter: 57.15 mm/2.25″ | Outside Diameter: 76.2 mm/3″ | Thickness: 11 mm/ 7/16″
- Interchanges With: A49796, G10689
- Fitment Note: 480D — Before Transmission Serial 16270319 only; 580D — Non-Turbo only
- Failure Note: Commonly fail, leading to oil leaks and brake pack damage
- Right Diff Side Gear Seal — A49795 (qty 1):
- Aftermarket replacement
- Inside Diameter: 1-3/8″ (34.9 mm) | Outside Diameter: 1-5/8″ (41.3 mm) | Thickness: 1/4″ (6.3 mm)
- Interchanges With: A35919, A146027
- Kit Weight: Approx. 0.25 lbs (2 x 0.10 lbs + 0.05 lbs)
Why Choose Broken Tractor?
- Stop Leaks Before They Kill the Brake Pack — Brake backing plate seals are a known failure point; replacing them proactively protects the whole system
- Two Most Common Seals in One Kit — Brake and diff side gear seal together so one order covers the job
- Fast Shipping — Trained parts team ready to help you identify the right fit
