TrackFitment

400x72.5x72 Rubber Tracks

400 mm wide (~16") · 72.5 mm pitch · 72 links · fits 13 machines (12 as primary size)

Compatible machines

MachineClassStatusThis size is
Case CX50C mini-ex current primary
Caterpillar 304CR mini-ex current primary
Caterpillar 305.5DCR mini-ex current alternate
Caterpillar 305CR mini-ex current primary
Hitachi ZX40U mini-ex current primary
Hitachi ZX50U mini-ex current primary
Hitachi ZX55U mini-ex current primary
IHI 40JX mini-ex legacy primary
IHI 40NX mini-ex current primary
IHI 45N mini-ex legacy primary
IHI 45NX mini-ex current primary
Volvo ECR48C mini-ex legacy primary
Yanmar VIO50 mini-ex current primary

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