521 / AW4
Serial: 1 → 99999
183 system groups
▶AIR INLET AND EXHAUST 12
▶BASIC ENGINE 17
▶COOLING 9
▶ELECTRICAL AND STARTING 26
ALARM GP
ALTERNATOR GP-CHARGING
BATTERY GP
BLOCK GP-JUNCTION
CAMERA GP
CIRCUIT BREAKER GP
CONNECTION GP
CONTROL GP-ELECTRONIC
ELECTRONICS GP-COMMUNICATION
ELECTRONICS GP-ENGINE
ELECTRONICS GP-IMPLEMENT
ELECTRONICS GP-MACHINE
ELECTRONICS GP-MONITOR
ELECTRONICS GP-POWER TRAIN
HARNESS GP
HEATER GP
LIGHTING GP
PANEL GP-FUSE
RELAY GP
SENSOR GP
SOLENOID GP
STARTING AID GP
STARTING MOTOR GP
SWITCH GP
VALVE GP
WIRING GP
▶ENGINE ARRANGEMENT 1
▶FRAME AND BODY 12
▶FUEL 13
▶HYDRAULIC 21
▶LUBRICATION 8
▶MACHINE ARRANGEMENT 1
▶OPERATOR STATION 24
AIR CONDITIONER GP
BOX GP-STORAGE
CAB GP
CONSOLE GP
CONTROL GP
CONTROL GP-HANDLE
CONTROL GP-HYDRAULIC
CONTROL GP-IMPLEMENT
CONTROL GP-JOYSTICK
CONTROL GP-STEERING
CONTROL GP-STEERING & BRAKE
DOOR GP
FILTER GP-CAB AIR
HEATER GP
MONITOR GP
PANEL GP
PEDAL GP
PLATFORM GP
RADIO GP
ROPS/FOPS GP
SEAT GP
WASHER GP-WINDOW
WINDOW GP
WIPER GP-WINDOW
▶POWER TRAIN 18
▶SERVICE EQUIPMENT AND SUPPLIES 8
▶UNDERCARRIAGE 8