Case Dozer Engine Motor Mounts parts list
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450, 450B |
Motor Mount Kit |
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R31034-KIT |
$124.00
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450C, 550, 550E, 550G, 550G, 550H, 650, 650G, 650H, 650K, 750H, 750K, 750L, 850H, 680K, 780C, 780D, 75XT, 85XT, 90XT, 95XT |
Motor Mount |
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R49482 |
$24.00
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450C, 550, 550E, 550G, 550G, 550H, 650, 650G, 650H, 650K, 750H, 750K, 750L, 850H, 680K, 780C, 780D, 75XT, 85XT, 90XT, 95XT |
Motor Mount Kit |
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R49482-KIT |
$124.00
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480C, 480D, 480LL, 580C, 580D, 580 Super D, 680H, 680K, 680L, 780B, 780C, 780D, 1835, 1835B, 1845, 1845B, 1845S, 584C, 584D, 585C, 585D, 586C, 586D, W11, 1450B, 1455B, 1550 |
Rubber Isolator, (Engine Motor Mount / Radiator Mount) |
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A59516 |
$24.00
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850D/E/G/K/L, 855D/E, 1150E/G/H/K/M, 1155E, 1650L/M, 2050M, W11B, W14B/C, 125B, 688, 880D, 888, 1085B/C, 1086B, 1088, 1187B/C, 580L, 580 Super L, 590 Super L |
Rubber Mount (Engine or Cab) |
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R49921 |
$24.00
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Engine motor mounts and rubber isolator kits for Case crawler dozers, covering front and rear mounting points across 450, 550, 650, 750, 850, 1150, 1650, and 2050 series machines.
Fits Models At A Glance
- 450 Series: 450, 450B, 450C
- 550/650 Series: 550, 550E, 550G, 550H, 650, 650G, 650H, 650K
- 750/850 Series: 750H, 750K, 750L, 850D, 850E, 850G, 850H, 850K, 850L, 855D, 855E
- 1150/1650 Series: 1150E, 1150G, 1150H, 1150K, 1150M, 1155E, 1650L, 1650M
- 2050 Series: 2050M
Key Notes
- Application: Isolates engine vibration at front and rear mounting points
- Options: Individual rubber mounts and complete mount kits
- Construction: Bonded rubber-to-metal for load and vibration control
- Condition: New replacement components
Why Choose Broken Tractor
- ✅ Correct mounts matched to your dozer series
- ✅ Fast shipping from two US warehouses
- ✅ Knowledgeable support for Case crawler parts
Frequently Asked Questions
What does an engine motor mount do on a Case dozer?
The motor mount isolates engine vibration at the front and rear mounting points on your Case crawler dozer. The bonded rubber-to-metal construction controls load and dampens vibration between the engine and the frame. Worn or cracked mounts can lead to increased vibration and movement, which is why replacing them helps keep the engine seated properly.
Which motor mount fits a Case 450 or 450B dozer?
We carry the Engine Motor Mount Kit for Case 450 and 450B Dozers under SKU R31034-KIT, which is matched specifically to those two models. Broken Tractor also offers mounts covering later 450C machines under separate part numbers, so confirm your exact series before ordering.
Do you sell a complete motor mount kit for Case 550, 650, and 750 dozers?
Yes, we carry the Engine Motor Mount Kit for Case Equipment under SKU R49482-KIT, which fits 450C, 550, 550E, 550G, 550H, 650, 650G, 650H, 650K, 750H, 750K, and 750L machines. If you only need the individual mount, the same fitment is available under SKU R49482.
What motor mount fits a Case 1150 or 1650 dozer?
The Rubber Mount under SKU R49921 fits 1150E, 1150G, 1150H, 1150K, 1150M, 1155E, 1650L, and 1650M dozers, along with 850D through 850L and 855D/E machines. Because fitment can vary by series and serial number, match the part number to your machine or confirm with our parts team.
Should I replace all the motor mounts at once or just the worn one?
Many owners replace mounts as a set so the engine sits evenly and vibration is controlled at all points, which is why Broken Tractor offers complete mount kits like R49482-KIT and R31034-KIT alongside individual mounts. If only one mount is worn, an individual replacement matched to your series will work. To confirm the right approach for your dozer, call our parts team at (800) 909-7060.
