Case Trencher Engine Belt Tensioners parts list
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W11B, W14B, W14C, 680L, 660, 860, 960, 688, 688B, 688C, 880D, 888, 1088, 9010, 9010B, 9020, 9020B, 9030, 9030B, CX130, CX160, CX210, CX240, CX290 |
Engine Fan Support Bracket |
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J913433 |
$73.00
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480E, 480F, 580 Super E, 580K, 580 Super K, 580L, 580 Super L, 590 Turbo, 590 Super L, 680L, 780C, 580M, 580 Super M, 590 Super M, 450C, 650K, 750H, 850K, 1150G, 1840, CX130, CX160, 688, 880D, 9010, W11B, W14B, 621, 721, 821, 836C, 845B, 885, etc |
Engine Belt Tensioner |
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J936203 |
$64.00
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430, 440, 440CT, 445, 445CT, 580M, 580 Super M, 590 Super M, 580N, 580 Super N, 570MXT, 570NXT, 586G, 588G, LB75.B, LB90.B, B110, B110B, B115, B115B, B90B, B95, B95B, B95BLR, B95BTC, B95LR, B95TC, B110.B, LB115.B, C190, L190, LS190.B, LT190.B |
Engine Belt Tensioner |
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87803067 |
$95.00
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Engine belt tensioners and fan support brackets for Case trenchers, maintaining proper belt tension across serpentine and accessory drive systems on Cummins 4B and 6B diesel powerplants.
Fits Models At A Glance
- Cummins 4B/6B Powered Trenchers: compatible with Case trencher units running 4B and 6B diesel engines
Key Notes
- Application: maintains consistent belt tension to prevent slippage and premature wear
- Engine Coverage: designed for Cummins 4B and 6B diesel platforms
- Components: spring-loaded tensioners and fan support brackets available
- Condition: new replacement units built to OEM specifications
Why Choose Broken Tractor
- ✅ Correct fitment verified before every order ships
- ✅ Fast shipping from two US warehouses
- ✅ Knowledgeable staff who know Case equipment
Frequently Asked Questions
What does an engine belt tensioner do on a Case trencher?
The belt tensioner maintains consistent tension across the serpentine and accessory drive belts so they do not slip or wear prematurely. On Case trenchers running Cummins 4B and 6B diesel engines, a spring-loaded tensioner keeps the belt seated properly under load. Broken Tractor carries new replacement tensioners built to OEM specifications.
How do I know if my Case trencher belt tensioner is worn out?
Common signs of a worn tensioner include belt slippage, squealing belts, excess belt wear, and a tensioner arm that no longer holds firm spring pressure. A tensioner that will not keep the belt tight can lead to charging and cooling problems on Cummins 4B and 6B engines. We carry new spring-loaded tensioners to replace units that have lost tension.
What is the difference between a belt tensioner and a fan support bracket?
A belt tensioner is a spring-loaded unit that keeps the drive belt under proper tension, while a fan support bracket holds the fan assembly in position on the engine. Broken Tractor offers both for Case trenchers running Cummins 4B and 6B diesel engines. Check the part you need against your engine setup, since they serve different functions.
Will these tensioners fit any Case trencher with a Cummins 4B or 6B engine?
These parts are designed for Case trencher units powered by Cummins 4B and 6B diesel engines, but exact fitment depends on your specific model and configuration. The best way to confirm is to match the part number to your machine or verify the application with our parts team before ordering. Correct fitment is verified before every order ships.
How do I find the right belt tensioner part number for my machine?
Match the part number listed for the tensioner or fan support bracket against the part your machine currently uses to confirm the correct fit. Fitment can vary by model and serial number, so if you are unsure, our parts team can help you verify at (800) 909-7060. This avoids ordering a tensioner that does not match your Cummins 4B or 6B setup.
