john deere 720

1956 - 1958

Two-Cylinder 20 Series

Row-Crop tractor

Two-Cylinder 20 Series

Row-Crop tractor

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.

720

row-crop chassis

720S

standard-tread

720HC

high-crop

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

6-speed unsynchronized gear

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

Two-wheel drive

Steering

manual

 

power OptOptional

Differential mechanical expanding shoe brakes

Open operator station.

Type

open center

Valves

1

Rear Type

II

Rear PTO

live

Rear PTO Type

540 (1.375)

Wheelbase

93.7 inches 237 cm

Weight

6790 lbs 3079 kg

Front tire

6.00-16

Rear tire

12-38

front-end loader

Right side of tractor in front of and below pulley.

1956

7200000

1957

7203420

1958

7217368

FAQ: How to read a serial number table.

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

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