Road Construction Equipment: Road Milling Caterpillar

Model	Front caterpillar track width	Rear caterpillar track width
PR750B	457 mm - 18 inch	457 mm - 18 inch
PR450	305 mm - 12 inch	305 mm - 12 inch
PR1000C	475 mm - 18.7 inch	475 mm - 18.7 inch
PM565B	348 mm - 13.7 inch	348 mm - 13.7 inch
PM465	250 mm - 9.8 inch	250 mm - 9.8 inch
PM201	348 mm - 13.7 inch	348 mm - 13.7 inch