Compare/J.I. Case 1390 vs J.I. Case 731
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J.I. Case 1390 vs J.I. Case 731

Verdict: J.I. Case 1390 vs J.I. Case 731

The J.I. Case 1390 and the J.I. Case 731 are both tractors — here is how they stack up on the figures that matter. J.I. Case 1390 leads on rated power with 61 hp against 57 hp. J.I. Case 1390 is the lighter machine (2,494 kg vs 3,218 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 1390 is the newer design (1980 vs 1960). In short: choose the J.I. Case 1390 for outright pulling power, or the J.I. Case 731 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 1390 Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case 731 Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
61 hp
57 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
With 16.9x30 rear tires.Reference
Gear 2 used for pull test.Reference
Original price
$22,100 (1983)Reference
$6,900 (1969)Reference
Steering
hydrostatic powerReference
power optionalReference
Engine
Drawbar (tested)
37.5 kWReference
36.0 kWReference
Displacement
3.6 LReference
4.4 LReference
Bore/Stroke
100 x 114 mmReference
105 x 127 mmReference
Air cleaner
dual dry elementReference
oil bathReference
Compression
17:1Reference
15.2:1Reference
Rated RPM
2200Reference
1900 (Case-o-Matic)Reference
Starter volts
12Reference
12Reference
Oil capacity
27.0 LReference
Coolant capacity
14.0 LReference
7.1 LReference
Power at rated engine speed
45.2 kWReference
42.1 kWReference
Max power
37.5 kWReference
36.0 kWReference
Fuel tank
83.3 LReference
Plows
5Reference
Transmission
Gears
12 forward and 4 reverseReference
8 forward and 2 reverseReference
Clutch
hydraulic dry discReference
mechanical dry discReference
Transmission
Dual-RangeReference
PTO & Hydraulics
PTO (claimed)
44.7 kWReference
PTO (tested)
45.2 kWReference
42.1 kWReference
Hydraulic system
26.9 LReference
Type
synchromeshReference
unsynchronizedReference
Capacity
26.9 LReference
Valves
1 or 2Reference
1Reference
Pump flow
57.9 lpmReference
Rear Type
2/1Reference
IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000Reference
1000Reference
Power at rated PTO speed
43.5 kWReference
39.9 kWReference
Capacities
Fuel
71.9 LReference
Dimensions
Wheelbase
213 cmReference
210 cmReference
Weight
2494 kgReference
3218 kgReference
Front tire
7.50-16Reference
6.00-16Reference
Rear tire
16.9-30Reference
13.6-38Reference
Ag front
7.50-16Reference
6.00-16Reference
Ag rear
16.9-30Reference
13.6-38Reference
Length
342 cmReference
Height (exhaust)
223 cmReference
Shipping weight
2494 kgReference
Max weight
4762 kgReference
2WD Clearance (front axle)
53 cmReference
4WD Clearance (front axle)
33 cmReference
Operating weight
3218 kgReference
Ballasted weight
4320 kgReference
J.I. Case 1390 attachments
1390 Serial Numbers
1980
11120101Reference
1981
11122928Reference
1982
11126132Reference
1983
11130040Reference
Location:
Serial number stamped into the top of the tractor's frame on the right side, next to the engine.Reference
Plate on instrument panelReference
Electrical
Ground
negativeReference
Charging system
alternatorReference
Charging amps
26Reference
Battery volts
12Reference
Test results
Fuel use
14.0 l/hourReference
14.4 l/hourReference
Max pull
3911 kgReference
3416 kgReference
Speeds
Variants
730
standard-front dieselReference
731
row-crop dieselReference
732
Western Special dieselReference
733
high-clearance dieselReference
734
orchard dieselReference
740
standard-front gasReference
741
row-crop gasReference
742
Western Special gasReference
743
high-clearance gasReference
744
orchard gasReference
J.I. Case 731 attachments
731 Serial Numbers
1960
8160001Reference
1961
8168801Reference
1962
8190001Reference
1963
8208001Reference
1964
8229001Reference
1965
8253501Reference
1966
8279001Reference
1967
8306501Reference
1968
8332101Reference
1969
8356251Reference

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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