John Deere 720

John Deere 720The 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
ModelJohn Deere 720
Length3,430 mm (135 in)
Width2,200 mm (86.6 in)
Height2,240 mm (88.2 in)
Wheel base2,370 mm (93.3 in)
Weight3,080 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 typeOpen operator station
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeGasoline/LP-gas
Displacement5.9 L, 5,907 cm2, (360.5 cu·in)
Bore and stroke152.0 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
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement6.2 L, 6,160 cm2, (375.9 cu·in)
Bore and stroke156.0 mm X 162.0 mm (6.14 in X 6.38 in)
Compression ratio16.0:1
StarterPony motor or electric
Transmission and chassis
Chassis4×2 2WD
Steering typeManual or power (option)
BrakesDifferential mechanical expanding shoe
Transmission modelJohn Deere
Transmission typeUnsynchronized gear
Gears6 forward and 1 reverse
Speed Forward: 18.2 kmh (11.3 mph) Reverse: 5.4 (3.4 mph)
Transmission oil capacity28.4 L (7.5 US. gal, 6.2 Imp. gal.)
Front tires Ag: 6.00-16
Rear tires Ag: 12-38
Three-Point Hitch
Control typeLoad-and-Depth control
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed547 rpm
Hydraulic system
Hydraulic typeOpen center
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.


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