Description
When your combine’s unloading auger starts slowing down or refusing to swing out properly, it’s usually those unloading system belts calling for attention. These Q-Power belts keep your grain moving from the bin to the truck smoothly, which is critical when you’ve got a full hopper and trucks waiting in the field. Getting grain out fast means more acres covered per day.
What You’re Getting
- Complete 2-belt set that works as a matched pair for optimal performance
- Q-Power construction designed to handle the high loads of full grain bins
- Proper tension characteristics that won’t stretch out during peak harvest stress
- Direct replacement design that fits your existing pulley system perfectly
Built for Real Farm Work
This belt set powers the unloading auger system on John Deere 9400, 9500, and 9600 series combines, plus the newer T660 and T670 models. Whether you’re running soybeans at 30 bushels per acre or corn pushing 200 bushels, these belts handle the varying loads as your bin fills and empties throughout long harvest days. The unloading system runs constantly during harvest, so reliable belt performance keeps your operation moving.
Made to Last
Combine belts work in dusty, high-vibration conditions with frequent starts and stops. Q-Power belts use rubber compounds that resist cracking from heat cycles and stay flexible in cold morning starts. The reinforcement cords handle the shock loads when the unloading auger engages with a full bin of grain.
Installation Notes
Both belts should be replaced as a set to maintain proper balance and prevent premature failure of the new belt. Check belt tension carefully after installation—too loose and they’ll slip under load, too tight and you’ll damage bearings. Take time to clean debris from all pulleys while you’ve got easy access.


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