john deere 720

John Deere 720 tractor photo
1956 - 1958 Two-Cylinder 20 SeriesRow-Crop tractor
1956 - 1958
Two-Cylinder 20 Series
Row-Crop tractor
1956 - 1958
Two-Cylinder 20 Series
Row-Crop tractor
1956 - 1958
Two-Cylinder 20 Series
Row-Crop tractor
Production
Manufacturer
John Deere
Row-Crop tractor
Built 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 price was $3,700 in 1958
The John Deere model 720 was available in row-crop, standard, or high-crop versions.
Variants
720
row-crop chassis
720S
standard-tread
720HC
high-crop
John Deere 720 Engines
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
Engine details ...
John Deere 720 Transmission
6-speed unsynchronized gear
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
Performance test details ...
Mechanical
Two-wheel drive
Steering
manual
 
power OptOptional
Differential mechanical expanding shoe brakes
Open operator station.
Photos
John Deere 720 diesel with after-market wide front end.
John Deere 720 photos...
Hydraulics
Type
open center
Valves
1
Tractor hitch
Rear Type
II
Power Take-off (PTO)
Rear PTO
live
Rear PTO Type
540 (1.375)
Dimensions & Tires
Wheelbase
93.7 inches 237 cm
Weight
6790 lbs 3079 kg
Front tire
6.00-16
Rear tire
12-38
Full dimensions and tires ...
John Deere 720 attachments
front-end loader
Attachment details ...
720 Serial Number Location
John Deere 720 serial number location
Right side of tractor in front of and below pulley.
720 Serial Numbers
1956
7200000
1957
7203420
1958
7217368
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 system
generator
Batteries
1 (diesel pony)
 
2 (gas/LP)
 
4 (diesel electric)
Battery volts
6
References
720 references literature
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 contains known errors.
720 manuals literature
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

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