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J.I. Case 403 vs J.I. Case 412
Verdict: J.I. Case 403 vs J.I. Case 412
The J.I. Case 403 and the J.I. Case 412 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 50 hp. J.I. Case 412 is the lighter machine (1,977 kg vs 3,039 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
J.I. Case
62
Fit score
Best match
Clear
J.I. Case
62
Fit score
Best match
Clear
Rated power
50 hp
50 hp
Confidence
40%
40%
Guide price
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—
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
With 12-38 rear tires.Reference
liquid-cooledReference
Total built
67Reference
191Reference
Original price
$5,000 (1958)Reference
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Steering
power optionalReference
powerReference
Variants
400
diesel standardReference
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401
diesel row-cropReference
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402
diesel vineyardReference
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403
diesel high-cropReference
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405
diesel orchardReference
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413
gasoline high-cropReference
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420
diesel industrialReference
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Engine
Belt (claimed)
37.3 kWReference
37.3 kWReference
Plows
4 (14-inch)Reference
4 (14-inch)Reference
Displacement
4.1 LReference
4.1 LReference
Bore/Stroke
102 x 127 mmReference
102 x 127 mmReference
Air cleaner
oil bathReference
—
Pre-heating
ether capsulesReference
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Compression
15:1Reference
6.5:1Reference
Rated RPM
1500Reference
1500Reference
Idle RPM
600-1600Reference
—
Firing order
1-3-4-2Reference
—
Starter volts
12Reference
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Coolant capacity
28.0 LReference
28.0 LReference
Intake valve clearance
0.305 mmReference
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Exhaust valve clearance
0.305 mmReference
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Oil capacity
56.8 LReference
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Oil change
120 hReference
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Transmission
Transmission
Powr-rangeReference
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Gears
8 forward and 2 reverseReference
8 forward and 2 reverseReference
Oil type
SAE 90Reference
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Capacities
Fuel
79.5 LReference
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Diameter
26 cmReference
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Width
18 cmReference
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RPM
1128Reference
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Speed
945.18 meters/minReference
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PTO & Hydraulics
Hydraulic system
9.8 LReference
—
Capacity
9.8 LReference
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Pressure
41.4 barReference
—
Valves
2 (optional)Reference
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Total flow
45.4 lpmReference
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Type
Case Eagle HitchReference
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Rear PTO
independentReference
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Rear PTO Type
540 (1.375)Reference
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Dimensions
Weight
3039 kgReference
1977 kgReference
Front tire
7.50-20Reference
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Rear tire
12-38Reference
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Ag front
7.50-20Reference
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Ag rear
13-38Reference
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Front tread
138 to 201 cmReference
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Rear tread
152 to 228 cmReference
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Length
—
325 cmReference
Height (hood)
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143 cmReference
403 Serial Numbers
1955
8060000Reference
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1956
8080001Reference
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1957
8100001Reference
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Location:
Top-right of instrument panel.Reference
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Electrical
Ground
negativeReference
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Charging system
generatorReference
—
Charging volts
12Reference
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Batteries
2Reference
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Battery volts
6Reference
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Battery AH
150Reference
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Speeds
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.


