john deere 4640
![]() | 1978 - 1982
Iron Horses SeriesRow-Crop tractor | 1978 - 1982 | Iron Horses Series | Row-Crop tractor |
---|---|---|---|---|
1978 - 1982 | ||||
Iron Horses Series | ||||
Row-Crop tractor |
1978 - 1982 | |
---|---|
Iron Horses Series | |
Row-Crop tractor |
Production | |
---|---|
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 4640 Engine | |
---|---|
John Deere 7.6L 6-cyl diesel | |
Engine details ... ![]() |
John Deere 4640 Transmissions | |
---|---|
16-speed partial power shift | |
8-speed full power shift | |
Transmission details ... ![]() |
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 |
Performance test details ... ![]() |
Mechanical | |
---|---|
Drive | 4x2 2WD |
| 4x4 HFWD 4WD |
Differential lock | pedal-actuated hydraulic |
Steering | hydrostatic power |
Differential hydraulic wet disc brakes | |
Sound-Gard cab standard. |
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 PTO Type | 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 |
Full dimensions and tires ... ![]() |
John Deere 4640 attachments | |
---|---|
front-end loader | |
Attachment details ... ![]() |
4640 Serial Number Location | |
---|---|
![]() | |
Serial number plate on the rear of the 4640, above the PTO shaft. |
4640 Serial Numbers | |
---|---|
1978 | 1000 |
1979 | 7422 |
1980 | 13860 |
1981 | 19459 |
1982 | 25729 |
FAQ: How to read a serial number table. |
Electrical | |
---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 6 |
References | |
---|---|
![]() | |
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 |
Recommended Products
Advertisement · Featured Tractor-Related Products

Tractor Backhoe Attachment with Mechanical Thumb
The MechMaxx BH660 backhoe is a reliable solution for a wide range of digging and excavation tasks. Designed to fit CAT I 3-point hitch tractors, it requires a minimum of 15 PTO horsepower and a tractor weight of at least 1,500 lbs. This backhoe is ideal for ditching on farms and grazing lands, digging pools, cleaning waterways, as well as assistant excavating work in construction and building roads.

M805853: Spark Plug
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal

John Deere Original Equipment Green Spray Paint
OEM John Deere Part Number: TY25624 Lead-free formulation - user-friendly and environmentally safe. Suitable for exterior or interior use High-quallity, long-lasting, color-fast paints for weather-proven performance in field testing

Heavy Duty Farm Work Gloves
Essential protective gear for farm work, durable and slip-resistant
* This page contains affiliate links, purchases may generate revenue for this site