Drive belts are one of the most common causes of combine downtime during harvest — and one of the easiest to prevent. A cracked, glazed, or frayed belt that fails mid-field stops the entire operation. Inspecting and replacing worn belts before the season starts is one of the highest-return maintenance steps you can take.
We stock combine drive belts for the most critical drives on the machine, including separator, cleaning fan, feederhouse, and header drives, for the most popular combine platforms. OEM cross-reference numbers on every listing for fast, accurate identification.
Key Belt Drives to Inspect
- Separator belt — one of the highest-load drives on the machine; failure stops threshing immediately
- Cleaning fan belt — loss of fan speed kills cleaning efficiency and increases grain loss
- Feederhouse drive belt — critical for consistent crop flow from header to threshing system
- Header drive belts — platform-specific; inspect for glazing, cracking, and proper tension
Signs a Belt Needs Replacement
- Visible cracking, fraying, or glazing on the belt surface
- Belt slipping under load or squealing at startup
- Improper tension that can't be corrected by adjustment
- Any belt that's been in service for multiple seasons without replacement
Keep Spares on the Shelf
Even a well-maintained belt can fail unexpectedly. Keep at least one spare for each critical drive — a belt swap in the field takes 20 minutes. Waiting on a part takes days.
COMBINE BELT FOR JOHN DEERE
301-D125380
FEEDER CONVEYOR To Fit Models: 6600, 7700, 9400, 9500 & 9600 Series, 8820
COMBINE BELT FOR JOHN DEERE
301-D118730
TAILINGS AUGER DRIVE To Fit Models: 6620, 6622, 7720, 7721, 8820
COMBINE BELT FOR JOHN DEERE
301-D146636
COOLING FAN To Fit Models: 9400, 9500, 9600 & CTS Series, T660, T670
COMBINE BELT 2 = 1 SET FOR JOHN DEERE
301-D158880
UNLOADING SYSTEM To Fit Models: 9400, 9500, 9600 & CTS Series, T660, T670
AgSmart
COMBINE BELT
843198M1
FAN BELT. TRACTORS: 20 (TURF), 30 (GAS), MF135 (DIESEL, S/N 9A38905 & UP, & PERKINS GAS), MF165 (PERKINS GAS), MF175 (PERKINS GAS).
Q-Power Belts
CLEANING FAN DRIVE BELT FOR CASE IH COMBINES
301-C1541569
CLEANING FAN DRIVE To Fit Models: 1600, 2100 and 2300 Series
CLEAN GRAIN ELEVATOR BELT
SKU:P-H141167
Clean Grain Elevator Belt. John Deere: Combine: 9400 (s/n 640101 and on), 9500 (s/n 640201 and on), 9500SH (s/n 640201 and on), 9610, CTS, CTS (rice), CTS II.
BELT UNLOADING
SKU:P-AH158880
Unloading System Belt. John Deere: Combine: 9400, 9410, 9450, 9500, 9500SH, 9501, 9510, 9510SH, 9550, 9550SH, 9560, 9560SH, 9600, 9610, 9650, 9660, CTS, CTS (rice), CTS II, T660, T670.
AP Air
Belt Tensioner Pulley for John Deere RE505264
SKU:QFS-470-7021
Belt Tensioner Pulley for John Deere RE505264
Belt Tensioner Pulley for John Deere replaces OEM numbers RE505264, RE51281, RE68722. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits John Deere Combine: 1470, 1570, 7455, 7460, 9410, 9510, 9510SH, 9540, 9550, 9550SH and more - Replaces OEM Numbers RE505264, RE51281, RE68722
Fits John Deere Cotton Picker: 9970, 9976, 9986 - Replaces OEM Numbers RE505264, RE51281, RE68722
Fits John Deere Sprayer: 4700, 4710, 6700 - Replaces OEM Numbers RE505264, RE51281, RE68722
Fits John Deere Swather: 4890, 4895 - Replaces OEM Numbers RE505264, RE51281, RE68722
Fits John Deere Tractor: 5210, 5310, 5310N, 5320N, 5410, 5420N, 5510, 5510N, 5520N, 7210 and more - Replaces OEM Numbers RE505264, RE51281, RE68722
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Belt Tensioner for John Deere RE70536
SKU:QFS-470-765
Belt Tensioner for John Deere RE70536
Belt Tensioner for John Deere replaces OEM number RE70536. John Deere Power Units. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits John Deere Backhoe: 310E, 310K, 310SE, 315SE - Replaces OEM Number RE70536
Fits John Deere Combine: 1170, 1450, 1550, 2254, 2256, 2258, 7455, 7460, 9400, 9410 and more - Replaces OEM Number RE70536
Fits John Deere Excavator: 110, 120, 120C, 160CLC, 160LC, 200CLC, 200LC, 230CLC, 230LC, 230LCR and more - Replaces OEM Number RE70536
Fits John Deere Feller Buncher: 643G, 643H, 653E, 653G, 843G, 843H - Replaces OEM Number RE70536
Fits John Deere Forklift: 444JR - Replaces OEM Number RE70536
Fits John Deere Forwarder: 1010D, 1110D, 1410D, 810D - Replaces OEM Number RE70536
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Belt Tensioner for John Deere R516623
SKU:QFS-470-701
Belt Tensioner for John Deere R516623
Belt Tensioner for John Deere replaces OEM numbers RE37981, RE68715, RE70535, R516623. Fits L6 - 10.2, 12L Engines John Deere Tractors, International/Navistar. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits John Deere Backhoe: 710D - Replaces OEM Numbers RE37981, RE68715, RE70535
Fits John Deere Combine: 9510, 9510SH, 9550, 9550SH, 9610, 9650, 9660, 9660CTS, 9780 CTS Euro, CTS Euro and more - Replaces OEM Numbers R516623, RE70535
Fits John Deere Cotton Picker: 9970, 9976, 9986 - Replaces OEM Numbers R516623, RE70535
Fits John Deere Excavator: 330LC, 330LCR, 370 - Replaces OEM Numbers RE37981, RE68715, RE70535
Fits John Deere Forage Harvester: 7250 - Replaces OEM Numbers R516623, RE70535
Fits John Deere Motor Grader: 770CH, 770D, 772CH, 772D, 870D, 872D - Replaces OEM Numbers R516623, RE37981, RE68715, RE70535
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Belt Tensioner for Case IH 86013886, John Deere RE68715
SKU:QFS-470-702
Belt Tensioner for Case IH 86013886, John Deere RE68715
Belt Tensioner for Case IH, Ford/New Holland, John Deere replaces OEM numbers RE68715, 86013886, 89840673, 9840673. John Deere and Ford/New Holland Tractors, International/Navistar With L6 - 6.7L, 7.6L Engines. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Combine: CT5050, CT5060, CT5070, CT5080 - Replaces OEM Numbers 86013886, 89840673, 9840673
Fits Ford/New Holland Tractor: 8970 - Replaces OEM Number 86013886
Fits John Deere Backhoe: 710D - Replaces OEM Numbers RE37981, RE68715
Fits John Deere Combine: 9510, 9510SH, 9550, 9550SH, 9610, 9650, 9780 CTS Euro, CTS Euro, CTSII, CTSII Euro - Replaces OEM Numbers RE37981, RE68715
Fits John Deere Cotton Picker: 9970, 9976, 9986 - Replaces OEM Numbers RE37981, RE68715
Fits John Deere Excavator: 330LC, 330LCR, 370, 690ELC - Replaces OEM Numbers RE37981, RE68715
Please verify the OEM reference number and equipment fitment before ordering.