Bobcat Skid Steer Engine Belt Tensioner parts list
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A770, S630, S650, S750, S770, S850, T630, T650, T750, T770, T870 |
Engine Belt Tensioner |
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7269057 |
$335.00
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A770, S770, S850, T110, T450, T740, T750, T770, T86, T870, 5600, 5610, 3650, B760 |
Belt Tensioner |
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6689611 |
$190.00
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653, 751, 753, 763, 773, 7753, S130, S150, S160, S175, S185, S205, S530, S570, S590 Skid Steers, T140, T180, T190, T550, T550, T590 Compact Track Loaders |
Belt Tensioner |
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6735884 |
$123.00
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Engine belt tensioners and drive belts for Bobcat skid steer and compact track loaders, keeping serpentine and drive belts under correct tension across the 500, 600, 700, and 800 series machines.
Fits Models At A Glance
- Legacy Series: 653, 751, 753, 763, 773, 7753, 864, 873
- S-Series Skid Steers: S130, S150, S160, S175, S185, S205, S450, S510, S530, S550, S570, S590, S630, S650, S740, S750, S770, S850
- T-Series Track Loaders: T140, T180, T190, T200, T250, T300, T450, T550, T590, T630, T650, T750, T770, T870
- All-Wheel Steer: A770
Key Notes
- Application: Maintains proper belt tension for reliable engine and drive operation
- Coverage: Spring-loaded tensioner assemblies and matching drive belts
- Condition: New replacement units built to OEM specifications
- Fitment: Verify tensioner style and belt length against your machine
Why Choose Broken Tractor
- ✅ Fast shipping from two US locations
- ✅ Verified fitment across Bobcat loader series
- ✅ Knowledgeable support for tensioner and belt questions
Frequently Asked Questions
What does a belt tensioner pulley do on a Bobcat skid steer?
The belt tensioner keeps the serpentine or drive belt under correct, constant tension so it does not slip during engine and drive operation. Broken Tractor carries spring-loaded tensioner assemblies built to OEM specifications for the 500, 600, 700, and 800 series machines. A worn tensioner can cause belt squeal, slippage, or premature belt wear.
Which belt tensioner fits a Bobcat S770 or S850?
We carry tensioners that fit the S770 and S850, including SKU 6689611 (A770, S770, S850, T770, T870 and more) and SKU 7269057 (A770, S630, S650, S750, S770, S850, T630, T650, T750, T770, T870). Because coverage overlaps across models, match your machine against the fitment list and confirm the part number before ordering. Our parts team can help you verify the correct tensioner style.
Do you carry a drive belt for a Bobcat T450 to T870 track loader?
Yes, Broken Tractor offers drive belt SKU 6672152, which fits A770, S450 through S850, and T450 through T870 loaders and track loaders. Verify the belt length against your machine to be sure it matches your setup.
What tensioner fits a Bobcat 753 or 763 skid steer?
For legacy 700 series machines like the 653, 751, 753, 763, 773, and 7753, we carry engine belt tensioner SKU 6735884, which also covers S130 through S590 and T140 through T590 loaders. Fitment can depend on tensioner style, so match the part number to your machine or confirm with our parts team before ordering.
How do I know if my Bobcat belt tensioner is worn out?
Common signs of a worn tensioner include belt squeal, belt slippage, uneven or premature belt wear, and a tensioner arm that no longer holds firm spring pressure. Broken Tractor offers new replacement tensioner assemblies built to OEM specifications across the Bobcat loader series. If you are replacing the tensioner, inspect the belt at the same time.
