John Deere 720 row-crop tractor: review and specs

The John Deere 720 is a 2WD row-crop tractor from the Two-Cylinder 20 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1956 to 1958.

The John Deere 720 is equipped with three variants of a 5.9 L (360.5 cu·in) two-cylinder engine for gasoline, LP-gas, and all-fuel or a 6.2 L (375.9 cu·in) two-cylinder diesel engine and unsynchronized gear transmission with 6 forward and 1 reverse gear.

The tractor could be equipped with the following engines:

John Deere. It is a 5.9 L, 5,907 cm², (360.5 cu·in) two-cylinder natural aspirated gasoline/LP-gas engine with 152.0 mm (5.98 in) of the cylinder bore and 162.0 mm (6.38 in) of the piston stroke. The compression ratio rating is 6.14:1 for gasoline engine, 4.91:1 for all-fuel engine and 7.94:1 for LP-gas engine.
John Deere. It is a 6.2 L, 6,160 cm², (375.9 cu·in) two-cylinder natural aspirated diesel engine. The cylinder bore is 156.0 mm (6.14 in) and the piston stroke is 162.0 mm (6.38 in). The compression ratio rating is 16.0:1.

The JD 720 is equipped with manual or power (option) steering, differential mechanical expanding shoe brakes and open operator station.

John Deere 720 Specifications

General Specifications
Model	John Deere 720
Length	3,430 mm (135 in)
Width	2,200 mm (86.6 in)
Height	2,240 mm (88.2 in)
Wheel base	2,370 mm (93.3 in)
Weight	3,080 kg (6,790 lbs)
Fuel tank capacity	Gasoline: 100.3 liters (26.5 US gal.; 22.1 Imp. gal) Diesel: 75.7 liters (20 US gal.; 16.7 Imp. gal) All-fuel: 92.7 liters (24.5 US gal.; 20.4 Imp. gal) LP-gas: 124.9 liters (33.0 US gal.; 27.5 Imp. gal)
Battery	Diesel with pony motor: one 6V Gasoline/LP-gas: two 6V Diesel electric starter: three 6V
Cabin type	Open operator station
Engine
Engine model	John Deere
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	2
Fuel type	Gasoline/LP-gas
Displacement	5.9 L, 5,907 cm², (360.5 cu·in)
Bore and stroke	152.0 mm X 162.0 mm (5.98 in X 6.38 in)
Compression ratio	Gasoline: 6.14:1 All-fuel: 4.91:1 LP-gas: 7.94:1
Horsepower	–
Starter	Electric
Engine
Engine model	John Deere
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	2
Fuel type	Diesel
Displacement	6.2 L, 6,160 cm², (375.9 cu·in)
Bore and stroke	156.0 mm X 162.0 mm (6.14 in X 6.38 in)
Compression ratio	16.0:1
Horsepower	–
Starter	Pony motor or electric

Transmission and chassis
Chassis	4×2 2WD
Steering type	Manual or power (option)
Brakes	Differential mechanical expanding shoe
Transmission model	John Deere
Transmission type	Unsynchronized gear
Gears	6 forward and 1 reverse
Speed	Forward: 18.2 kmh (11.3 mph) Reverse: 5.4 (3.4 mph)
Transmission oil capacity	28.4 L (7.5 US. gal, 6.2 Imp. gal.)
Tires
Front tires	Ag: 6.00-16
Rear tires	Ag: 12-38

Three-Point Hitch
Category	II
Control type	Load-and-Depth control
Lift capacity (at ends)	–
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO speed	547 rpm
Hydraulic system
Hydraulic type	Open center
Valves	1

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