John Deere

John Deere 720

The John Deere 720 is a row-crop tractor produced from 1956 to 1958 as part of the Two-Cylinder 20 Series. It was built in Waterloo, Iowa, USA, and was available in row-crop, standard, or high-crop versions. The tractor came with several engine options including gasoline, all-fuel, LP gas, and diesel 2-cylinder engines. It features a 6-speed unsynchronized transmission, two-wheel drive, manual or optional power steering, and a live 540 RPM PTO. The 720 has a wheelbase of 93.7 inches, weighs 6790 lbs, and uses 6.00-16 front tires and 12-38 rear tires. Attachments include a 45 Loader with a 2000 lbs lift capacity. Electrical system is positive ground for 6V and 12V systems with a generator charging system. The original price was $3,700 in 1958.
Power65 hp[P]
Founded1956 - 1958
Model720

Technical Specifications

Detailed specifications and technical data for John Deere 720

Power
Belt (tested)57.77 hp (43.1 kW)
PTO (claimed)59 hp (44.0 kW)
Belt (claimed)50.67 hp (37.8 kW)
Drawbar (tested)53.41 hp (39.8 kW)
Drawbar (claimed)53 hp (39.5 kW)
Engine
OptionsJohn 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
All-fuel engine
Type2-cylinder 4-valve liquid-cooled
Rated RPM1125
Air cleaneroil bath
Bore/Stroke6.00x6.375 inches (152 x 162 mm)
Displacement360.5 ci (5.9 L)
Firing order1-2
Oil capacity12 qts (early) (11.4 L), 10 qts (late) (9.5 L)
Starter typeelectric
Compression ratio4.91:1
Gasoline engine
Type2-cylinder 4-valve liquid-cooled
Rated RPM1125
Air cleaneroil bath
Bore/Stroke6.00x6.375 inches (152 x 162 mm)
Displacement360.5 ci (5.9 L)
Firing order1-2
Oil capacity12 qts (early) (11.4 L), 10 qts (late) (9.5 L)
Starter typeelectric
Coolant capacity29 qts (27.4 L)
Compression ratio6.14:1
Auxiliary fuel (diesel)0.25 gal (0.9 L)
Auxiliary fuel (all-fuel)1 gal (3.8 L)
Fuel tank capacity (LP gas)33 gal (124.9 L)
Fuel tank capacity (diesel)20 gal (75.7 L)
Fuel tank capacity (all-fuel)24.5 gal (92.7 L)
Fuel tank capacity (gasoline)26.5 gal (100.3 L)
Overview
TypeRow-Crop tractor
SeriesTwo-Cylinder 20 Series
Built inWaterloo, Iowa, USA
Versionsrow-crop, standard, or high-crop
Total built22,925 (total row-crop)
Diesel built13,930
LP-gas built3,670
All-fuel built408
Gasoline built4,917
Original price$3,700 in 1958
Production years1956 - 1958
Variants
720row-crop chassis
720Sstandard-tread
720HChigh-crop
Electrical
Groundpositive (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.)
Batteries1 (diesel pony), 2 (gas/LP), 4 (diesel electric)
Battery volts6
Charging systemgenerator
Hydraulics
Typeopen center
Valves1
Mechanical
DriveTwo-wheel drive
BrakesDifferential mechanical expanding shoe brakes
Steeringmanual, power optional
Operator stationOpen
Attachments
Loader45 Loader
Lift height126 inches (320 cm)
Lift capacity2000 lbs (907 kg)
Transmission
Typeunsynchronized gear
Gears6 forward and 1 reverse
Clutchdry
Controls
1gear shift
2pony motor clutch
3decompression
4diesel throttle
5clutch
6pony motor throttle
Oil typeSAE 90 (above 0°F [-17°C]), SAE 80 (below 0°F [-17°C])
ManufacturerJohn Deere
Oil capacity30 qts (28.4 L)
Tractor hitch
Rear TypeII
Serial Numbers
19567200000
19577203420
19587217368
Dimensions & Tires
Width86.625 inches (220 cm)
Height88.25 inches (224 cm)
Length135.25 inches (343 cm)
Weight6790 lbs (3079 kg)
Rear tire12-38
Wheelbase93.7 inches (237 cm)
Front tire6.00-16
Power Take-off (PTO)
Rear PTOlive
Rear PTO Type540 (1.375)