Hitachi Tracks By Size And Machine ModelHitachi Machine Make Track Size EX50U 400X72.5X72EX27U 300X52.5X78EX27U-2 300X52.5X78EX30 300X52.5X82EX30-1 300X52.5X82EX35 300X52.5X84EX35-1 300X52.5X84EX35-2 300X52.5X82EX35U 300X52.5X86EX40 400X72.5X72EX40-2 400X72.5X72EX40U 400X72.5X72EX45 400X72.5X72EX45-2 400X72.5X72EX50 400X72.5X72EX50-1 400X72.5X72EX50U 400X72.5X72EX50URG 400X72.5X72 Don’t see your machine listed? Give us a call at 1-866-778-8300.