John Deere 4640
1977 - 1984 4040 Series Row-Crop tractor
Series map:
4440
4640
121.0kw
138.0kw
Production Manufacturer John Deere
Row-Crop tractor
John Deere 4640 Power Engine (gross) 185.1 hp138.0 kW
Engine (net) 174.3 hp130.0 kW
PTO (claimed) 155.6 hp116.0 kW
Mechanical Drive 4x2 2WD
4x4 HFWD 4WD
4x4 MFWD 4WD
Final drives planetary
Differential lock hydro-mechanical
Power steering Hydraulic wet disc brakes Cab standard.
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Hydraulics Type closed center
Tractor hitch Rear Type III
Control position and draft control
Power Take-off (PTO) Rear PTO independent
Clutch hydraulic wet disc
Rear PTO Type 1000 (1.75)
Electrical Ground negative
Charging system alternator
Charging amps 88
Batteries 2
Battery volts 12
Battery AH 88
References 4040 4240 4440 4640 published in 1980, by John Deere Product Information Manual published in 1977, by John Deere
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