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John Deere GPWT

John Deere GPWT tractor photo
1929 - 1933   Two-Cylinder Letter Series
Row-Crop tractor

The John Deere GP Wide Tread (GPWT) was tricycle-front version of the model GP tractor, with a wide rear axle. There were 203 model GPWT tractors converted to a narrower, 68-inch, rear tread for use in potato fields of the US Northeast. The last 443 GPWT tractors were built with "overhead steering", with a shaft running over the top of the hood in a style similar to the later Model A tractor. The first overhead-steer GPWT was serial number was serial number 404810.


Manufacturer:John Deere
Factory:Waterloo, Iowa, USA


GP-P:potato, with 68-inch tread

John Deere GPWT Engines:

   John Deere 5.1L 2-cyl kerosene
   John Deere 5.6L 2-cyl kerosene
full engine details ...


Fuel:16 gal [60.6 L]
Aux. fuel:2 gal [7.6 L]

Power Take-off (PTO):

Rear RPM:520

Dimensions & Tires:

Wheelbase:78.4 inches [199 cm]
Front tire:24x6
Rear tire:44x10
full dimensions and tires ...

GPWT Serial Numbers:

Location:Below gear shift lever
photo of GPWT serial number

1929: 400000
1930: 400936
1931: 402741
1932: 404770
1933: 405110
Final: 405254
1930: 5000 (GP-P)
Final: 5202 (GP-P)

how to read serial numbers...


John Deere GPWT Power:

Drawbar (claimed):10 hp [7.5 kW]
Belt (claimed):20 hp [14.9 kW]
Plows:2 (14-inch)


Chassis:4x2 2WD
Cab:Open operator station with steel pan seat.

Belt Pulley:

Diameter:13 inches [33 cm]
Width:6.5 inches [16 cm]
Speed:3,200 ft/min [975.36 meters/min]

Page information:

Last update:June 4, 2016
Copyright:Copyright 2016 TractorData LLC
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