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Deere 4640 Tractors

Deere 4640  
Power: 172 hp[P]
Date of manufacture :
1978 - 1982
Production
Manufacturer:John Deere
Type:Row-Crop tractor
Factory:Waterloo, Iowa, USA
Original price:$46,316 (1982 Quad-Range ROPS 2WD )
Original price:$53,123 (1982 Power Shift Cab 2WD )
John Deere 4640 Power
PTO (claimed):155 hp
115.6 kW
Drawbar (tested):132.44 hp
98.8 kW
PTO (tested):156.30 hp
116.6 kW
John Deere 4640 Engine
Mechanical
Chassis:4x2 2WD
 4x4 HFWD 4WD
Differential lock:pedal-actuated hydraulic
Steering:hydrostatic power
Brakes:differential hydraulic wet disc
Cab:Sound-Gard cab standard.
Transmissions:16-speed partial power shift
 8-speed full power shift
Photos
John Deere 4640 photos...
Capacity
Fuel:83 gal
314.2 L
Hydraulic system:16.5 gal
62.5 L
Hydraulics
Type:closed center
Capacity:16.5 gal
62.5 L
Valves:2 or 3
Pump flow:23 gpm
87.1 lpm
Tractor hitch
Rear Type:III/IIIN
Rear lift:7328 lbs
3323 kg
Power Take-off (PTO)
Rear PTO:independent
Rear RPM:1000 (1.75)
Dimensions & Tires
Wheelbase:118.5 inches
300 cm
Weight:14350 to 15700 pounds
Front tire:11.00-16
Rear tire:18.4-38
4640 Serial Numbers
Location:Serial number plate on the rear of the 4640, above the PTO shaft.
photo of 4640 serial number

1978:1000
1979:7422
1980:13860
1981:19459
1982:25729

how to read serial numbers...

Electrical
Ground:negative
Charging system:alternator
Batteries:2
Battery volts:6
Other Tractors
Deere 4610 Power: 42 hp Date of manufacture : 2003 - 2004
Deere 4620 Power: 150 hp[P] Date of manufacture : 1971 - 1972
Deere 4630 Power: 166 hp[P] Date of manufacture : 1973 - 1977
Deere 4640 Power: 185 hp Date of manufacture : 1977 - 1984
Deere 4640 Power: 172 hp[P] Date of manufacture : 1978 - 1982
Deere 4650 Power: 187 hp Date of manufacture : 1983 - 1988
Deere 4700 Power: 48 hp Date of manufacture : 2000 - 2003
Deere 4710 Power: 46 hp Date of manufacture : 2003 - 2004
Deere 4720 Power: 58 hp Date of manufacture : 2005 - 2014