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Farmall 400 vs Farmall Super M
Verdict: Farmall 400 vs Farmall Super M
The Farmall 400 and the Farmall Super M are both tractors — here is how they stack up on the figures that matter. Farmall 400 leads on rated power with 45 hp against 44 hp. Farmall Super M is the lighter machine (2,541 kg vs 2,857 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 400 is the newer design (1954 vs 1952). In short: choose the Farmall 400 for outright pulling power, or the Farmall Super M 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
Farmall
62
Fit score
Best match
Clear
Farmall
62
Fit score
Best match
Clear
Rated power
45 hp
44 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
Farmall (a part of International Harvester)Reference
With 12-38 rear tires.Reference
With 12-38 rear tires.Reference
Total built
40,957Reference
245 (Super MV)Reference
Original price
$3,500 (1954)Reference
—
Steering
power optionalReference
—
Factories
—
Louisville, Kentucky, USAReference
Variants
400
row-cropReference
—
W-400
standardReference
—
400 Hi-Clear
high-cropReference
—
Super M
—
gear with spark engineReference
Super M-TA
—
TA with spark engineReference
Super MD
—
gear with diesel engineReference
Super MD-TA
—
TA with diesel engineReference
Super MV
—
high-cropReference
Engine
Drawbar (claimed)
32.7 kWReference
—
Belt (claimed)
36.0 kWReference
—
Drawbar (tested)
35.9 kWReference
33.0 kWReference
Belt (tested)
39.0 kWReference
35.1 kWReference
Displacement
4.3 LReference
4.3 LReference
Bore/Stroke
102 x 133 mmReference
102 x 133 mmReference
Fuel system
1.25-inch updraft carburetorReference
—
Air cleaner
oil bathReference
oil bathReference
Compression
8.33:1Reference
6.75:1Reference
Rated RPM
1450Reference
1450Reference
Idle RPM
400-1600Reference
400-1600Reference
Firing order
1-3-4-2Reference
1-3-4-2Reference
Starter volts
12Reference
6Reference
Coolant capacity
27.4 LReference
24.6 LReference
Sparkplug gap
0.584 mmReference
0.584 mmReference
Intake valve clearance
0.432 mmReference
0.432 mmReference
Exhaust valve clearance
0.432 mmReference
0.432 mmReference
Oil capacity
8.5 LReference
49.2 LReference
Oil change
150 hReference
—
Belt power (max)
39.0 kWReference
35.1 kWReference
Max power
35.9 kWReference
33.0 kWReference
Fuel tank
—
79.5 LReference
Fuel use
—
19.7 l/hourReference
Transmission
Transmission
Torque AmplifierReference
—
Gears
10 forward and 2 reverseReference
5 forward and 1 reverseReference
Clutch
12-inch dry discReference
12-inch dry discReference
Capacities
Fuel
81.4 LReference
—
Aux. fuel
3.4 LReference
3.4 LReference
Diameter
27 cmReference
27 cmReference
Width
19 cmReference
214 cmReference
RPM
899Reference
899Reference
Speed
788.82 meters/minReference
788.82 meters/minReference
PTO & Hydraulics
Hydraulic system
13.7 LReference
—
Type
partial power shiftReference
sliding gearReference
Capacity
13.7 LReference
—
Valves
3Reference
—
Rear lift
907 kgReference
—
Rear PTO
independentReference
transmissionReference
Rear PTO Type
540Reference
540Reference
Engine RPM
534@1450 (ind.)Reference
—
Dimensions
Wheelbase
243 cmReference
226 cmReference
Weight
2857 kgReference
2541 kgReference
Front tire
6.00-16Reference
6.00-16Reference
Rear tire
12-38Reference
12-38Reference
Ag front
6.00-16Reference
6.00-16Reference
Ag rear
12-38Reference
12-38Reference
Length
358 cmReference
341 cmReference
Min Width
214 cmReference
—
Max Width
272 cmReference
—
Height (steering wheel)
205 cmReference
200 cmReference
Operating weight
2857 kgReference
—
Ballasted weight
4354 kgReference
—
Frame Ground clearance
46 cmReference
—
Clearance (front axle)
57 cmReference
—
Clearance (rear axle)
66 cmReference
66 cmReference
Bar rear axle
69 mmReference
69 mmReference
Front tread
144 to 228 cmReference
—
Rear tread
127 to 269 cmReference
—
Ground clearance
—
39 cmReference
Farmall 400 attachments
400 Serial Number Location
400 Serial Numbers
1954
501Reference
SM51977 (Farmall Rock Island plant)Reference
1955
4732Reference
—
1956
29065Reference
—
Electrical
Ground
negative (12V)Reference
positiveReference
Charging system
generatorReference
generatorReference
Battery volts
12 (diesel)Reference
6Reference
Attachment overview
Test results
Belt fuel use (max)
22.0 l/hourReference
20.8 l/hourReference
Max pull
3022 kgReference
2773 kgReference
Speeds
Super M Serial Number Location
Super M Serial Numbers
1952
—
SML500001 (Louisville plant)Reference
1953
—
SML501906 (Louisville plant)Reference
Final
—
SML512541 (Louisville plant)Reference
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.