Browse 300x52.5Nx84 | 12" Mini Excavator Tracks from TrackTECH. Match all three numbers (width x pitch x links). Not sure? This replacement track size supports stable machine control across excavation, trenching, utility work, drainage, landscaping, clay, gravel, and mixed terrain.
Reinforced Rubber and Steel Strength
Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature wear in harsh field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports consistent track stability through repeated loading, turning, and travel.
Precision-Aligned Fit Geometry
Guide lug geometry, steel link spacing, and track body construction are built for direct replacement undercarriage engagement. Proper alignment helps support smooth sprocket contact, stable tracking, reduced vibration, and less stress on rollers, idlers, and sprockets.
Built for Uptime
Heavy-duty construction and jobsite-ready traction help keep equipment productive through long operating hours. The result is a replacement rubber track built for strong value over the full life of the track.
Frequently Asked Questions
Which machines use a 300x52.5Nx84 rubber track?
The 300x52.5Nx84 size fits machines including Bobcat E35, CAT 303 CR, Doosan DX30, Doosan DX30Z, Komatsu PC30-7, Komatsu PC30MR, Komatsu PC35MR, Kubota KX101, Volvo EC35C, Volvo EC35D, Volvo ECR38. Send it to us and we'll confirm.
What tread patterns are available in this size?
Common options are directional (multi-bar) for traction and mud release, and block/C-lug for hard surfaces and pavement. Ask us which suits your jobsite.
How fast does this size ship?
In-stock sizes ship fast from US warehouses, most within 1–2 business days with tracking.