Compare/J.I. Case 403 vs J.I. Case 412
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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 403 Tractor
J.I. Case
62
Fit score
Best match
Clear
J.I. Case 412 Tractor
J.I. Case
62
Fit score
Best match
Clear
Rated power
50 hp
50 hp
Confidence
40%
40%
Guide price
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
Steering
power optionalReference
powerReference
Variants
400
diesel standardReference
401
diesel row-cropReference
402
diesel vineyardReference
403
diesel high-cropReference
405
diesel orchardReference
413
gasoline high-cropReference
420
diesel industrialReference
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
Compression
15:1Reference
6.5:1Reference
Rated RPM
1500Reference
1500Reference
Idle RPM
600-1600Reference
Firing order
1-3-4-2Reference
Starter volts
12Reference
Coolant capacity
28.0 LReference
28.0 LReference
Intake valve clearance
0.305 mmReference
Exhaust valve clearance
0.305 mmReference
Oil capacity
56.8 LReference
Oil change
120 hReference
Transmission
Transmission
Powr-rangeReference
Gears
8 forward and 2 reverseReference
8 forward and 2 reverseReference
Oil type
SAE 90Reference
Capacities
Fuel
79.5 LReference
Diameter
26 cmReference
Width
18 cmReference
RPM
1128Reference
Speed
945.18 meters/minReference
PTO & Hydraulics
Hydraulic system
9.8 LReference
Capacity
9.8 LReference
Pressure
41.4 barReference
Valves
2 (optional)Reference
Total flow
45.4 lpmReference
Type
Case Eagle HitchReference
Rear PTO
independentReference
Rear PTO Type
540 (1.375)Reference
Dimensions
Weight
3039 kgReference
1977 kgReference
Front tire
7.50-20Reference
Rear tire
12-38Reference
Ag front
7.50-20Reference
Ag rear
13-38Reference
Front tread
138 to 201 cmReference
Rear tread
152 to 228 cmReference
Length
325 cmReference
Height (hood)
143 cmReference
403 Serial Numbers
1955
8060000Reference
1956
8080001Reference
1957
8100001Reference
Location:
Top-right of instrument panel.Reference
Electrical
Ground
negativeReference
Charging system
generatorReference
Charging volts
12Reference
Batteries
2Reference
Battery volts
6Reference
Battery AH
150Reference
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.

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