JD Skid Steer Belt Tensioner parts list
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120, 120C, 160C LC, 200LC, 230LCR, 260, 270, 280, 210L, 210LJ, 310E, 310G, 310SG, 315SG, 310J, 310SJ, 310L, 315SJ, 325J, 325SL, 410G, 410J, 410L, 450H, 550H, 650H, 450J, 550J, 650J |
Fan Drive Hub with Bracket |
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RE500539 |
$187.00
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CT315, CT322, CT332, 244J, 304J, 324J, 313, 315, 317, 320, 325, 328, 332, 4120, 4320, 4520, 4720, 5065M |
Idler Pulley |
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RE537940 |
$33.00
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244J, 304J, 324J, 313, 315, 317, 318D, 320, 320D, 325, 326D, 328, 328D, 332, 332D, 319D, 323D, 329D, 333D, CT315, CT322, CT332, 4120, 4320, 4520, 4720 |
Engine Belt Tensioner |
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RE509517 |
$63.00
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310E, 310SE, 310G, 310SG, 310J, 310SJ, 310K, 310SK, 310L, 310SL, 315SG, 315SJ, 315SK, 315SL, 410J, 410K, 410L, 710J, 710K, 710L, 450J, 550J, 550K, 605K, 650J, 650K, 655K, 700J, 700K, 750J, 750K, 850J, 850K, 344J, 344K, 444J, 444K, 524K, 544J, 544K... |
Engine Belt Tensioner |
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RE548027 |
$64.00
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Engine belt tensioners, idler pulleys, and fan drive hubs for John Deere skid steer loaders and compact track loaders, covering serpentine belt tensioning components across the CT series and D-series machines.
Fits Models At A Glance
- Skid Steers: 313, 315, 317, 318D, 320, 320D, 325, 326D, 328, 328D, 332, 332D, 319D, 323D, 329D, 333D
- Compact Track Loaders: CT315, CT322, CT332
Key Notes
- Application: Maintains proper serpentine belt tension for the engine drive system
- Components: Includes belt tensioners, idler pulleys, and fan drive hub assemblies
- Part Numbers: RE509517, RE537940 and related replacements
- Fitment: Confirm against your machine serial number and engine configuration
Why Choose Broken Tractor
- ✅ Verified fitment across John Deere skid steer models
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable support for parts matching
Frequently Asked Questions
What John Deere skid steer models does belt tensioner RE509517 fit?
The Engine Belt Tensioner RE509517 fits John Deere skid steer models 313, 315, 317, 318D, 320, 320D, 325, 326D, 328, 328D, 332, 332D, 319D, 323D, 329D, and 333D, along with compact track loaders CT315, CT322, and CT332. It also covers several other John Deere machines that share the same engine drive setup. Always confirm the part number against your machine serial number and engine configuration before ordering.
What is the difference between the belt tensioner and the idler pulley for a John Deere skid steer?
The belt tensioner maintains proper tension on the serpentine belt, while the idler pulley guides and supports the belt along its path. Broken Tractor carries both, including tensioner RE509517 and idler pulley RE537940, for models like the 313, 315, 317, 320, 325, 328, and 332. If you are unsure which component is worn, matching the part number to your machine is the safest way to order the correct one.
Will idler pulley RE537940 fit a John Deere CT315 compact track loader?
Yes, idler pulley RE537940 fits the John Deere CT315, CT322, and CT332 compact track loaders, as well as skid steer models 313, 315, 317, 320, 325, 328, and 332. Because fitment can vary by serial number and engine configuration, confirm the part number against your machine before ordering.
How do I know if my John Deere skid steer belt tensioner needs replacing?
Common signs include a loose or squealing serpentine belt, uneven belt wear, or a tensioner that no longer holds steady pressure. Replacing a worn tensioner helps keep the engine drive system running properly. Broken Tractor carries replacement tensioners such as RE509517 for many John Deere skid steer models, and our team can help you match the right part.
How do I confirm the right belt tensioner for my John Deere skid steer?
Match the part number to your machine and verify it against your serial number and engine configuration, since fitment can differ between D-series and CT-series machines. Broken Tractor offers verified fitment across John Deere skid steer models and knowledgeable support for parts matching. If you need help confirming the correct component, call our parts team at (800) 909-7060.
