This is the complete 300x52.5Wx90 sizing & fitment guide. The 12" (300mm) belt runs on a range of compact track loaders & skid steers — here's how to confirm it fits and which tread to run.
Track specifications
- Size: 300x52.5Wx90
- Width: 300 mm (12")
- Pitch: 52.5 mm
- Links: 90
- Guide type: W
- Construction: Continuous steel cords, drop-forged guide lugs, 100% virgin rubber
- Warranty: 24 months
Compatible machines
Verified fit for these compact track loaders & skid steers. Confirm your size before ordering — fitment varies by year and undercarriage.
CAT: CAT 303 5 Ecr, CAT 303 5Ccr, CAT 303 5Ecr, CAT 303.5DCR, CAT 303Ccr, CAT 304ECR
IHI: IHI 35UJ, IHI 35V-4
Kobelco: Kobelco Sk035Sr
New: New Holland EH35, New Holland Eh35Sr
Choosing the right tread
Multi-Lug / Zig-Zag — best traction in mud, snow, and mixed terrain; great for landscaping and utility work.
C-Block / Block — thicker lugs resist cuts and abrasion; built for demolition, hardscape, and rock.
Common applications
- Mud & snow: Loose, wet, or frozen ground where an aggressive multi-lug tread clears and grips.
- General construction & site prep: Daily dirt work, grading, and loading where balanced traction and wear life matter.
- Utility, trenching & grading: Precision passes where stability and a smooth rolling path protect the undercarriage.
- Landscaping & turf: Lower-disturbance work on finished ground — pair with a multi-bar or turf tread.
Ready to order?
Shop all 300x52.5Wx90 tracks & tread options → · Free shipping · 24-month warranty · Call (850) 816-7898 for fitment help. Heavy Duty Comes Standard.