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J.I. Case 931 GP

J.I. Case 931 GP tractor photo
1964 - 1969   30 Series
Row-Crop tractor

The Case 930 General Purpose tractor was introduced in 1964 by putting the engine from the 930 Comfort King into an 830 chassis, creating a row-crop version of the 930. In addition to the row-crop chassis, the 930 GP also uses an eight speed transmission instead of the six speed in the 930 standard.


Manufacturer:J.I. Case
Factory:Racine, Wisconsin, USA
Original price (USD):$8,600 (1969)


930:diesel standard
931:diesel row-crop
940:gas standard
941:gas row-crop

J.I. Case 931 Engine:

   J.I. Case 6.6L 6-cyl diesel
full engine details ...


Fuel:30 gal [113.6 L]
 48 gal [181.7 L] (CK)

3-Point Hitch:

Rear Type:II

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540/1000 (1.375)

Dimensions & Tires:

Wheelbase:108 inches [274 cm]
Weight:8915 to 13240 pounds
Front tire:7.50-15
Rear tire:18.4-34
full dimensions and tires ...

931 Serial Numbers:

Location:Plate on instrument panel
1964: 8229001
1965: 8253501
1966: 8279001
1967: 8306501
1968: 8332101
1969: 8356251

how to read serial numbers...


J.I. Case 931 Power:

Belt (claimed):83 hp [61.9 kW]
Drawbar (tested):72.98 hp [54.4 kW]
PTO (tested):85.39 hp [63.7 kW]
power test details ...


Chassis:4x2 2WD
Steering:power assist
Brakes:differential mechanical dry disc
Cab:Open operator station.


Valves:1 or 2
Pump flow:15 gpm [56.8 lpm]

Belt Pulley:

Diameter:11.75 inches [29 cm]
Width:8.25 inches [20 cm]



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Last update:April 6, 2017
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