CAT® & AGCO CHALLENGER
POLYURETHANE MID ROLLERS, IDLERS & DRIVE WHEELS
Premium replacement polyurethane mid rollers, idlers, and drive wheels engineered for CAT® and AGCO Challenger track tractors. Built for demanding agricultural conditions and backed by Track Works' 100% bond guarantee for 3,000 working hours.
WHY TRACK WORKS POLYURETHANE COMPONENTS
KEEP CHALLENGER TRACK TRACTORS WORKING LONGER
At Track Works, we manufacture premium polyurethane mid rollers, idlers, and drive wheels engineered specifically for CAT® and AGCO Challenger track tractors. Our polyurethane components deliver exceptional durability, dependable performance, and extended service life in demanding agricultural applications.
Whether you're planting, tilling, or harvesting, worn undercarriage components can increase track wear and lead to unnecessary downtime. Upgrading to Track Works polyurethane components helps maintain proper track alignment, reduce undercarriage wear, and keep your equipment operating when it matters most.
PPREMIUM POLYURETHANE COMPONENTS
FOR CAT® & AGCO CHALLENGER TRACK TRACTORS
Track Works proudly manufactures premium polyurethane undercarriage components for a wide range of CAT® and AGCO Challenger track tractors. Select the product below that matches your machine to view detailed specifications, OEM cross references, and compatible models.
MT700 & MT800 SERIES:
SPAGCO02
Wide Polyurethane Drive Wheel
SPAGCO05
Medium Polyurethane Idler Wheel
SPAGCO12
Wide Polyurethane Idler Wheel
35–55 SERIES LEGACY ROW CROP:
65–95 SERIES LEGACY CHALLENGER
SPAGCO04
Polyurethane Drive Wheel
BUILT TO PERFORM IN
DEMANDING AGRICULTURAL CONDITIONS
Our polyurethane components are engineered for producers who rely on their CAT® and AGCO Challenger equipment during planting, tillage, harvesting, and other demanding field applications.
Here's what you get:
- Premium polyurethane construction
- Direct OEM replacement
- Longer service life than factory rubber
- Reduced undercarriage wear
- Improved track alignment
- Fast shipping from Track Works
WHY TRACK WORKS FOR
CAT® & AGCO CHALLENGER
At Track Works, we manufacture premium polyurethane undercarriage components engineered to outlast factory rubber and keep your equipment working longer.
BUILT FOR LONGER LIFE
Premium polyurethane resists heat, chunking, cracking, and premature wear.
LOWER MAINTENANCE
Reduce replacement frequency while helping protect your undercarriage.
COMPLETE
UNDERCARRIAGE SOLUTIONS
Replacement mid rollers, idlers, and drive wheels for a wide range of Challenger track tractors.
3,000-HOUR
BOND GUARANTEE
Every polyurethane component is backed by our industry-leading bond guarantee.
WHY CHALLENGER OWNERS CHOOSE TRACK WORKS
Premium
Polyurethane
Designed for longer life and superior durability compared to factory rubber wheels.
3,000 Hour
Bond Guarantee
Every polyurethane wheel is backed by our industry-leading bond guarantee.
Fast Shipping
In-stock inventory helps get your CHALLENGER back into the field faster.
Track Works supplies the complete undercarriage solution for your farm machinery
– including wheels, idlers, drive wheels, and all internal components.
When it comes to keeping your tracked agricultural equipment running smoothly, bogie wheels, idlers, and drive wheels play a critical role. At Track Works, we offer high-quality replacement wheels and idlers built specifically for agriculture machines—tractors, combines, grain carts, and more.

Whether you're running high-horsepower 4-track systems or smaller 2-track setups, we carry the undercarriage parts you need to keep your equipment in the field and out of the shop.
- We use poly in every wheel and idler we sell—no shortcuts, no compromises
- We carry the complete assembly—including bearings, races, seals, spacers, and everything you need for a reliable installation We stock for all major ag equipment brands—including John Deere, Case IH, CLAAS, Caterpillar, AGCO, Versatile, New Holland, and more
- We ship fast and support you with expert guidance, so you get the right parts when and where you need them
- We stand behind our products with industry knowledge and real-world experience you can trust

- We have 100% bond guarantee for a 3000 hour work life
Complete Wheel and Idler Assemblies
– Plus the Components You Need
- Tapered roller bearings
- Bearing races
- Oil and dust seals
- Snap rings, spacers, and rebuild kits
Every component is selected for quality, fit, and long-term performance in demanding ag environments. 
KEEP YOUR CHALLENGER WORKING.
MAKE THE SWITCH TO TRACK WORKS.
Worn mid rollers can increase undercarriage wear, affect track alignment, and result in costly downtime. Upgrade your Challenger with premium polyurethane mid rollers from Track Works—built for demanding agricultural applications and dependable performance in the field.
Call us today or contact us online for a quote or assistance identifying the correct polyurethane mid rollers for your machine. If you do not see the part you need, our team may have it available or be able to source it for you.
Track Works — Premium polyurethane components built to keep your equipment working.
