The machine was updated as time went by. From serial number 7297 the machine was fitted with new axles.
From serial number 7401 the machine was fitted with a new cab.
Front axle Rear axle
Serial no. –7296 AH45C AH31F
Serial no. 7297–7400 AH45J AH31K
Serial no. 7401– AH45I AH31K