Compare/J.I. Case 931 GP vs J.I. Case 940
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J.I. Case 931 GP vs J.I. Case 940

Verdict: J.I. Case 931 GP vs J.I. Case 940

The J.I. Case 931 GP and the J.I. Case 940 are both tractors — here is how they stack up on the figures that matter. J.I. Case 931 GP leads on rated power with 85 hp against 80 hp. J.I. Case 940 is the lighter machine (3,971 kg vs 4,043 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 931 GP is the newer design (1964 vs 1960). In short: choose the J.I. Case 931 GP for outright pulling power, or the J.I. Case 940 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
J.I. Case 931 GP Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case 940 Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
85 hp
80 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
Gear 4 used for power test.Reference
Gear 1 used for pull test.Reference
Original price
$8,600 (1969)Reference
$6,400 (1969)Reference
Steering
power assistReference
power assistReference
Variants
930
diesel standardReference
diesel standardReference
931
diesel row-cropReference
diesel row-cropReference
940
gas standardReference
gas standardReference
941
gas row-cropReference
gas row-cropReference
Engine
Fuel tank
181.7 LReference
181.7 LReference
Belt (claimed)
61.9 kWReference
61.9 kWReference
Plows
6Reference
6Reference
Drawbar (tested)
54.4 kWReference
52.2 kWReference
Displacement
6.6 LReference
6.2 LReference
Bore/Stroke
105 x 127 mmReference
102 x 127 mmReference
Compression
15.2:1Reference
8.0:1Reference
Rated RPM
1600Reference
1600Reference
Firing order
1-5-3-6-2-4Reference
Starter volts
12Reference
12Reference
Power at rated engine speed
63.7 kWReference
59.4 kWReference
Max power
54.4 kWReference
52.2 kWReference
Air cleaner
oil bathReference
Transmission
Transmission
Dual-RangeReference
Gears
8 forward and 2 reverseReference
6 forward and 1 reverseReference
Clutch
dry discReference
hand-operated discReference
PTO & Hydraulics
PTO (tested)
63.7 kWReference
59.4 kWReference
Type
Dual-ControlReference
gearReference
Valves
1 or 2Reference
1 or 2Reference
Pump flow
56.8 lpmReference
56.8 lpmReference
Rear Type
IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000 (1.375)Reference
540/1000 (1.375)Reference
Power at rated PTO speed
61.8 kWReference
55.6 kWReference
Dimensions
Wheelbase
274 cmReference
213 cmReference
Weight
4043 kgReference
3971 kgReference
Front tire
7.50-15Reference
7.50-18Reference
Rear tire
18.4-34Reference
15x34Reference
Ag front
7.50-15Reference
7.50-18Reference
Ag rear
18.4-34Reference
15x34Reference
Operating weight
4043 kgReference
3971 kgReference
Ballasted weight
6005 kgReference
6955 kgReference
Front tread
136 to 211 cmReference
144 cmReference
Rear tread
162 to 243 cmReference
171 cmReference
Length
358 cmReference
Height (hood)
163 cmReference
931 Serial Numbers
1964
8229001Reference
8229001Reference
1965
8253501Reference
8253501Reference
1966
8279001Reference
8279001Reference
1967
8306501Reference
8306501Reference
1968
8332101Reference
1969
8356251Reference
Location:
Plate on instrument panelReference
Capacities
Diameter
29 cmReference
29 cmReference
Width
20 cmReference
213 cmReference
RPM
1007Reference
1007Reference
Test results
Fuel use
23.5 l/hourReference
32.2 l/hourReference
Max pull
4560 kgReference
4996 kgReference
940 Serial Number Location
940 Serial Numbers
1960
8160001Reference
1961
8168801Reference
1962
8190001Reference
1963
8208001Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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