Drive Sprocket for Case 450 Dozer & 475 Cable Layer – D43349

Fits Models At A Glance:

• Case Crawler Dozers: 450 — Serial Number Range 3038435–3050801
• Case Cable Layers: 475

Key Notes:

• Part Numbers: D43349, D38927, D39535, CA333
• Tooth Count: 27 teeth
• Dish Depth: 1.88 in (47.75 mm)
• Mounting: 7-bolt
• Type: Drive sprocket
• Application: Transfers power from the final drive to propel the track assembly on the Case 450 dozer and 475 cable layer undercarriage
• Verification Required: Confirm 27-tooth sprocket configuration against your machine before ordering

Common Use Case or Symptoms:
Use when sprocket teeth are hooked, worn thin, or chipped, or during an undercarriage rebuild — worn sprocket teeth cause poor chain engagement, chain jumping, and accelerated wear on the track chain and final drive.

Why Choose Broken Tractor:
✅ Correct 27-Tooth, 7-Bolt Configuration — matched to the Case 450 mid-production serial range and 475 cable layer undercarriage
✅ Serial-Number-Specific Fit — scoped to the 3038435–3050801 range so you order the right sprocket for your machine
✅ Fast Shipping from a U.S.-Based Team — in-stock and ready to ship from our U.S. warehouses