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167 system groups
▶AIR INLET AND EXHAUST 8
▶BASIC ENGINE 16
▶ELECTRICAL AND STARTING 20
▶ENGINE ARRANGEMENT 1
▶FRAME AND BODY 18
▶FUEL 11
▶HYDRAULIC 17
▶LUBRICATION 7
▶MACHINE ARRANGEMENT 2
▶OPERATOR STATION 20
▶POWER TRAIN 19
▶SERVICE EQUIPMENT AND SUPPLIES 12
▶STEERING 4
▶WORK TOOLS 1