Tractorpedia.com

John Deere 720

John Deere 720 tractor
View Images
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.
John Deere 720tractorspecificationsenginetransmissiondimensionspowerhydraulicsattachmentsrow-crop tractor
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

Options: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

All-fuel engine

Type:2-cylinder 4-valve liquid-cooled
Rated RPM:1125
Air cleaner:oil bath
Bore/Stroke:6.00x6.375 inches (152 x 162 mm)
Displacement:360.5 ci (5.9 L)
Firing order:1-2
Oil capacity:12 qts (early) (11.4 L), 10 qts (late) (9.5 L)
Starter type:electric
Compression ratio:4.91:1

Gasoline engine

Type:2-cylinder 4-valve liquid-cooled
Rated RPM:1125
Air cleaner:oil bath
Bore/Stroke:6.00x6.375 inches (152 x 162 mm)
Displacement:360.5 ci (5.9 L)
Firing order:1-2
Oil capacity:12 qts (early) (11.4 L), 10 qts (late) (9.5 L)
Starter type:electric
Coolant capacity:29 qts (27.4 L)
Compression ratio:6.14:1
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

Type:Row-Crop tractor
Series:Two-Cylinder 20 Series
Built in:Waterloo, Iowa, USA
Versions:row-crop, standard, or high-crop
Total built:22,925 (total row-crop)
Diesel built:13,930
LP-gas built:3,670
All-fuel built:408
Gasoline built:4,917
Original price:$3,700 in 1958
Production years:1956 - 1958

Variants

720:row-crop chassis
720S:standard-tread
720HC:high-crop

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.)
Batteries:1 (diesel pony), 2 (gas/LP), 4 (diesel electric)
Battery volts:6
Charging system:generator

Hydraulics

Type:open center
Valves:1

Mechanical

Drive:Two-wheel drive
Brakes:Differential mechanical expanding shoe brakes
Steering:manual, power optional
Operator station:Open

Attachments

Loader:45 Loader
Lift height:126 inches (320 cm)
Lift capacity:2000 lbs (907 kg)

Transmission

Type:unsynchronized gear
Gears:6 forward and 1 reverse
Clutch:dry

Controls

1:gear shift
2:pony motor clutch
3:decompression
4:diesel throttle
5:clutch
6:pony motor throttle
Oil type:SAE 90 (above 0°F [-17°C]), SAE 80 (below 0°F [-17°C])
Manufacturer:John Deere
Oil capacity:30 qts (28.4 L)

Tractor hitch

Rear Type:II

Serial Numbers

1956:7200000
1957:7203420
1958:7217368

Dimensions & Tires

Width:86.625 inches (220 cm)
Height:88.25 inches (224 cm)
Length:135.25 inches (343 cm)
Weight:6790 lbs (3079 kg)
Rear tire:12-38
Wheelbase:93.7 inches (237 cm)
Front tire:6.00-16

Power Take-off (PTO)

Rear PTO:live
Rear PTO Type:540 (1.375)