Farm tractors John Deere

John Deere 720

1956 – 1958

John Deere 720
John Deere 720

Specifications

Model information
Production years1956 - 1958
SeriesTwo-Cylinder 20 Series
Equipment typeRow-Crop tractor
Production
ManufacturerJohn Deere
Equipment typeRow-Crop tractor
Built inBuilt 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 priceOriginal price was $3,700 in 1958
NotesThe John Deere model 720 was available in row-crop, standard, or high-crop versions.
Variants
720row-crop chassis
720Sstandard-tread
720HChigh-crop
John Deere 720 Engines
Engine
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
Details Engine details ...
John Deere 720 Transmission
Transmission6-speed unsynchronized gear
Details Transmission details ...
John Deere 720 Power
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
DetailsPerformance test details ...
Mechanical
DriveTwo-wheel drive
Steering
manual
power (optional)
BrakesDifferential mechanical expanding shoe brakes
Cab / ROPSOpen operator station.
Hydraulics
Typeopen center
Valves1
Tractor hitch
Rear TypeII
Power Take-off (PTO)
Rear PTOlive
Rear PTO Type540 (1.375)
Dimensions & Tires
Wheelbase93.7 inches
237 cm
Weight6790 lbs
3079 kg
Front tire6.00-16
Rear tire12-38
Details Full dimensions and tires ...
John Deere 720 attachments
Attachmentfront-end loader
Details Attachment details ...
720 Serial Number Location
LocationRight side of tractor in front of and below pulley.
720 Serial Numbers
19567200000
19577203420
19587217368
Details
FAQ: How to read a serial number table.
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.
Charging systemgenerator
Batteries
1 (diesel pony)
2 (gas/LP)
4 (diesel electric)
Battery volts6
References
Publication
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 caveat *Publication contains known errors.
Publication
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

Values may vary by engine, transmission or configuration. View source page

Model family

Series map

Current model highlighted
  • 620
    53.3 hp*
  • 720 Current model
    65.6 hp*
  • 820
    75.6 hp*

*Estimated engine power for comparison only.