TrackFitment

300x52.5x90 Rubber Tracks

300 mm wide (~12") · 52.5 mm pitch · 90 links · fits 9 machines (7 as primary size)

Compatible machines

MachineClassStatusThis size is
Caterpillar 303.5DCR mini-ex current primary
IHI 35NX mini-ex current primary
IHI 35NX-2 mini-ex current primary
IHI 35V-4 mini-ex legacy primary
IHI 35V-5 mini-ex legacy primary
IHI 35VX mini-ex legacy primary
IHI 35VX-3 mini-ex legacy primary
Kobelco SK035SR mini-ex current alternate
Kubota KX121-3 mini-ex current alternate

Tread-pattern variants (block, C-lug, zigzag, multi-bar, turf) share this base size; pattern choice affects surface behavior, not fitment. Tread patterns compared →