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John Deere 720

John Deere 720 tractor photo
1956 - 1958   Two-Cylinder 20 Series
Row-Crop tractor
Previous model:John Deere 70
Next model:John Deere 730
Series next:John Deere 820
Series back:John Deere 620

The John Deere model 720 was available in row-crop, standard, or high-crop versions.


Manufacturer:John Deere
Factory:Waterloo, Iowa, USA
Total built:22,925 (row-crop)
 4523 (standard)
Original price (USD)
   $3,700 (1958 )


720:row-crop chassis

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
full engine details ...


Fuel:24.5 gal [92.7 L] (all-fuel)
 26.5 gal [100.3 L] (gasoline)
 33 gal [124.9 L] (LP gas)
 20 gal [75.7 L] (diesel)
Aux. fuel:1 gal [3.8 L] (all-fuel)
 0.25 gal [0.9 L] (diesel)

3-Point Hitch:

Rear Type:II

Power Take-off (PTO):

Rear PTO:live
Rear RPM:540

Dimensions & Tires:

Wheelbase:93.7 inches [237 cm]
Weight:6,790 lbs [3079 kg]
Front tire:6.00-16
Rear tire:12-38
full dimensions and tires ...

John Deere 720 attachments:

 front-end loader
all 720 attachments ...

720 Serial Numbers:

Location:Right side of tractor in front of and below pulley.
photo of 720 serial number

1956: 7200000
1957: 7203420
1958: 7217368

how to read serial numbers...


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]
power test details ...


Chassis:4x2 2WD
Brakes:differential mechanical expanding shoe
Cab:Open operator station.


Type:open center


Ground:positive (12V)
 floating (24V)


Number:2 (12V)
 4 (24V)

Page information:

Last update:October 5, 2017
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