john deere 720
 | 1956 - 1958
Two-Cylinder 20 SeriesRow-Crop tractor | 1956 - 1958 | Two-Cylinder 20 Series | Row-Crop tractor |
|---|---|---|---|---|
1956 - 1958 | ||||
Two-Cylinder 20 Series | ||||
Row-Crop tractor | ||||
1956 - 1958 | |
|---|---|
Two-Cylinder 20 Series | |
Row-Crop tractor |
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Total built | 22,925 (total row-crop) |
| 13,930 (diesel) |
| 4,917 (gasoline) |
| 3,670 (LP-gas) |
| 408 (all-fuel) |
Original price was $3,700 in 1958 | |
The John Deere model 720 was available in row-crop, standard, or high-crop versions. | |
Variants | |
|---|---|
720 | row-crop chassis |
720S | standard-tread |
720HC | high-crop |
John Deere 720 Engines | |
|---|---|
John Deere 5.9L 2-cyl gasoline | |
John Deere 5.9L 2-cyl all-fuel | |
John Deere 5.9L 2-cyl LP gas | |
John Deere 6.2L 2-cyl diesel | |
Fuel tank | 24.5 gal (all-fuel)
92.7 L |
| 26.5 gal (gasoline)
100.3 L |
| 33 gal (LP gas)
124.9 L |
| 20 gal (diesel)
75.7 L |
Aux. fuel | 1 gal (all-fuel)
3.8 L |
| 0.25 gal (diesel)
0.9 L |
Engine details ...  | |
John Deere 720 Transmission | |
|---|---|
6-speed unsynchronized gear | |
Transmission details ...  |
John Deere 720 Power | |
|---|---|
Drawbar (claimed) | 53 hp
39.5 kW |
PTO (claimed) | 59 hp
44.0 kW |
Belt (claimed) | 50.67 hp
37.8 kW |
Drawbar (tested) | 53.41 hp
39.8 kW |
Belt (tested) | 57.77 hp
43.1 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
| power OptOptional |
Differential mechanical expanding shoe brakes | |
Open operator station. | |
Photos | |
|---|---|
 | |
John Deere 720 photos...  |
Hydraulics | |
|---|---|
Type | open center |
Valves | 1 |
Tractor hitch | |
|---|---|
Rear Type | II |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 93.7 inches
237 cm |
Weight | 6790 lbs
3079 kg |
Front tire | 6.00-16 |
Rear tire | 12-38 |
Full dimensions and tires ...  | |
John Deere 720 attachments | |
|---|---|
front-end loader | |
Attachment details ...  |
720 Serial Number Location | |
|---|---|
 | |
Right side of tractor in front of and below pulley. |
720 Serial Numbers | |
|---|---|
1956 | 7200000 |
1957 | 7203420 |
1958 | 7217368 |
FAQ: How to read a serial number table. | |
Electrical | |
|---|---|
Ground | positive *Positive ground for the 6V and 12V systems. |
| floating *The 24V electric-start diesel is not chassis grounded, with both sides of the battery system connected to the starter. The lights and gauges are split on two 12V systems. |
Charging system | generator |
Batteries | 1 (diesel pony) |
| 2 (gas/LP) |
| 4 (diesel electric) |
Battery volts | 6 |
References | |
|---|---|
 | |
The John Deere 20 series Two Cylinder Tractors by Benjamin Hain | |
Tractors 1918-1976 published by John Deere* | |
The 1957 John Deere Tractors are here! | |
Facts about horsepower and fuel economy published in 1957, by John Deere | |
*Publication contains known errors. | |
 | |
Operator's Manual 720 (OM-R2055) published in 1956 | |
Operator's Manual 720 Diesel (OM-R2057) published in 1956 | |
Operator's Manual 720 (OM-R2082) published in 1957 |
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