621 / P72
Serial: 1 → 99999
164 system groups
▶AIR INLET AND EXHAUST 10
▶BASIC ENGINE 18
▶COOLING 8
▶ELECTRICAL AND STARTING 19
▶ENCLOSURES, GUARDS AND BASES 1
▶ENGINE ARRANGEMENT 1
▶FRAME AND BODY 14
▶FUEL 7
▶HYDRAULIC 16
▶LUBRICATION 7
▶MACHINE ARRANGEMENT 1
▶OPERATOR STATION 22
▶POWER TRAIN 20
▶SERVICE EQUIPMENT AND SUPPLIES 8
▶STEERING AND BRAKING 1
▶UNDERCARRIAGE 8