521 / C6X
Serial: 1 → 99999
117 system groups
▶AIR INLET AND EXHAUST 5
▶BASIC ENGINE 16
▶ELECTRICAL AND STARTING 10
▶ENGINE ARRANGEMENT 1
▶FUEL 8
▶HYDRAULIC 12
▶LUBRICATION 7
▶MACHINE ARRANGEMENT 1
▶OPERATOR STATION 15
▶POWER TRAIN 15
▶SERVICE EQUIPMENT AND SUPPLIES 5
▶STEERING AND BRAKING 1
▶WORK TOOLS 1