1). Continuous rubber track 2). Conventional type or interchangeable type rubber track3). Warranty: guarantee one year under normal use4). Application: mini-excavator, bulldozer, dumper, crawler loader, crawler crane, crawler carrier vehicle, agriculture machinery, paver and other special machine No SIZE(Width× Pitch× Links)NoSIZE(Width× Pitch× Links)1.150×60×40.350×56R×2.150×72×41.350×75.5×3.180×60×42.350×90×4.180×72×43.350×109×5.180×72K×44.370×107Y×6.200×72×45.400×72.5A×7.200×72K×46.400×72.5B×8.230×48×47.400×72.5K×9.230×72×48.400×72.5R×10.230×96×49.400×72.5Y×11.230×101×50.400×75.5×12.250×47×51.B400×90×13.250×48.5×52.C400×90×14.250×52.5×53.400×107Y×15.250×72×54.400×142K×16.260×96Y×55.400×144Y×17.260×109×56.420×84×18.280×72×57.420×100×19.280×80×58.425×90×20.280×90×59.450×71×21.280×106Y×60.450×73.5×22.300×52.5A×61.450×76K×23.300×52.5B×62.450×81A×24.300×52.5K×63.450×81B×25.300×53×64.450×83.5K×26.300×55×65.450×83.5Y×27.300×55.5×66.450×84×28.300×109N×67.450×86×29.300×109W×68.450×90×30.300×109K×69.450×100×31.320×54×70.450×163K×32.320×84×71.485×92×33.320×86×72.500×90×34.320×90×73.500×92×35.320×100×74.600×100×36.320×106Y×75.700×100×37.350×52.5×76.750×150×38.350×54.5×77.800×150×39.350×56×78.