The machine was updated as time went by. From serial number 60438 the machine was fitted with new axles. From serial number 60501 the machine was fitted with a new cab.
Front axle Rear axle
Serial no. - 60437 AH45C AH31F
Serial no. 60438 - 60500 AH45J AH31K
Serial no. 60501- AH45I AH31K