john deere 4640

1978 - 1982

Iron Horses Series

Row-Crop tractor

Iron Horses Series

Row-Crop tractor

Manufacturer

John Deere

Row-Crop tractor

Built in Waterloo, Iowa, USA

Original price

$46,316 (1982 Quad-Range ROPS 2WD )

$53,123 (1982 Power Shift Cab 2WD )

John Deere 7.6L 6-cyl diesel

16-speed partial power shift

8-speed full power shift

PTO (claimed)

155 hp 115.6 kW

Drawbar (tested)

132.44 hp 98.8 kW

PTO (tested)

156.30 hp 116.6 kW

Drive

4x2 2WD

 

4x4 HFWD 4WD

Differential lock

pedal-actuated hydraulic

Steering

hydrostatic power

Differential hydraulic wet disc brakes

Sound-Gard cab standard.

Fuel

83 gal 314.2 L

Hydraulic system

16.5 gal 62.5 L

Type

closed center

Capacity

16.5 gal 62.5 L

Valves

2 or 3

Pump flow

23 gpm 87.1 lpm

Rear Type

III/IIIN

Rear lift

7328 lbs 3323 kg

Rear PTO

independent

Rear PTO Type

1000 (1.75)

Wheelbase

118.5 inches 300 cm

Weight

14350 to 15700 pounds

Front tire

11.00-16

Rear tire

18.4-38

front-end loader

Serial number plate on the rear of the 4640, above the PTO shaft.

1978

1000

1979

7422

1980

13860

1981

19459

1982

25729

FAQ: How to read a serial number table.

Ground

negative

Charging system

alternator

Batteries

2

Battery volts

6

The New Iron Horses published in 1978, by John Deere

Tractors 90 to 180 HP published in 1979, by John Deere

Tractors 90, 110, 130, 155, 180 HP published in 1979, by John Deere

Row-Crop Tractors Product Information Handbook published in 1977, by John Deere

40 Series Row-Crop Tractors Product Information Handbook published in 1982, by John Deere

Performance on the Leading Edge published in 1978, by John Deere

Performance on the Leading Edge published in 1978, by John Deere