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International Harvester I-4 vs International Harvester Super AI
Verdict: International Harvester I-4 vs International Harvester Super AI
The International Harvester I-4 and the International Harvester Super AI are both industrial tractors — here is how they stack up on the figures that matter. International Harvester Super AI is the lighter machine (1,088 kg vs 1,913 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester Super AI is the newer design (1947 vs 1941). 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
International Harvester
79
Fit score
Best match
Clear
International Harvester
62
Fit score
Clear
Rated power
null hp
16 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
International HarvesterReference
International HarvesterReference
gasolineReference
keroseneReference
Total built
24,377Reference
—
Original price
$1,900Reference
—
Factories
—
Chicago, Illinois, USAReference
Steering
—
manualReference
Variants
W-4
standard-treadReference
—
H
row-cropReference
—
Super A
—
Farmall row-cropReference
Engine
Fuel tank
66.2 LReference
—
Aux. fuel
3.3 LReference
2.8 LReference
Displacement
2.5 LReference
1.9 LReference
Bore/Stroke
86 x 108 mmReference
76 x 102 mmReference
Compression
5.9:1Reference
6:1Reference
Rated RPM
1650Reference
1400Reference
Firing order
1-3-4-2Reference
1-3-4-2Reference
Oil capacity
5.7 LReference
4.7 LReference
Coolant capacity
16.1 LReference
12.3 LReference
Sparkplug gap
0.635 mmReference
0.635 mmReference
Point gap
0.330 mmReference
0.508 mmReference
Intake valve clearance
0.432 mmReference
0.356 mmReference
Exhaust valve clearance
0.432 mmReference
0.356 mmReference
Drawbar (claimed)
—
9.7 kWReference
Idle RPM
—
500-1540Reference
Starter volts
—
6Reference
Oil change
—
120 hReference
Transmission
Type
sliding gearReference
sliding gearReference
Gears
5 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
—
9-inch dry discReference
PTO & Hydraulics
Rear PTO Type
540Reference
540Reference
PTO (claimed)
—
11.9 kWReference
Hydraulic system
—
7.9 LReference
Capacity
—
7.9 LReference
Valves
—
1Reference
Rear PTO
—
transmissionReference
Dimensions
Weight
1913 kgReference
1088 kgReference
Ag front
5.50-16Reference
5.00-15Reference
Ag rear
13-26Reference
9-24Reference
Length
287 cmReference
271 cmReference
Width
149 cmReference
141 cmReference
Height
203 cmReference
—
Wheelbase
—
180 cmReference
Height (steering wheel)
—
163 cmReference
Height (exhaust)
—
207 cmReference
Ballasted weight
—
1564 kgReference
Clearance (rear axle)
—
54 cmReference
Min Clearance (drawbar)
—
29 cmReference
Max Clearance (drawbar)
—
42 cmReference
Rear tread
—
101 to 172 cmReference
I-4 Serial Number Location
I-4 Serial Numbers
1940
501Reference
—
1941
943Reference
—
1942
4056Reference
—
1943
5693Reference
—
1944
7593Reference
—
1945
11171Reference
—
1946
13934Reference
—
1947
16022Reference
250001Reference
1948
18880Reference
250082Reference
1949
21912Reference
268196Reference
1950
24470Reference
281269Reference
1951
28167Reference
300126Reference
1952
31214Reference
324470Reference
1953
33067Reference
336880Reference
Links
Capacities
Fuel
—
41.6 LReference
Rear hubs
—
2.8 LReference
Diameter
—
21 cmReference
RPM
—
1157Reference
Speed
—
784.56 meters/minReference
Super AI Serial Numbers
1954
—
353348Reference
Location:
—
On the right side of the seat supportReference
Electrical
Ground
—
postitiveReference
Battery volts
—
6Reference
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.