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Farmall 450 vs Farmall B-450
Verdict: Farmall 450 vs Farmall B-450
The Farmall 450 and the Farmall B-450 are both tractors — here is how they stack up on the figures that matter. Farmall B-450 leads on rated power with 55 hp against 51 hp. Farmall B-450 is the lighter machine (2,689 kg vs 2,957 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall B-450 is the newer design (1959 vs 1956). In short: choose the Farmall B-450 for outright pulling power, or the Farmall 450 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
51 hp
55 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
Farmall (a part of International Harvester)Reference
LP gas Torque Amplifier 2WDMay 7 - 29, 1957Link: Nebraska Tractor Test 620 fileReference
With 13.00x30 rear tires.Reference
Total built
18,305Reference
11,011Reference
Steering
power assistReference
—
Differential lock
—
mechanical rearReference
Variants
450
row-cropReference
—
W-450
standard-frontReference
—
450 Hi-Clear
high-cropReference
—
McCormick B-450
—
standardReference
Farmall B-450
—
row-cropReference
Engine
Fuel tank
79.5 LReference
—
Drawbar (claimed)
34.5 kWReference
—
Belt (claimed)
37.9 kWReference
—
Drawbar (tested)
38.2 kWReference
—
Belt (tested)
41.2 kWReference
—
Displacement
4.6 LReference
4.3 LReference
Bore/Stroke
105 x 133 mmReference
102 x 133 mmReference
Air cleaner
oil bathReference
—
Compression
8.35:1Reference
—
Rated RPM
1450Reference
1500Reference
Starter volts
12Reference
12Reference
Oil capacity
8.5 LReference
50.0 LReference
Coolant capacity
26.5 LReference
25.0 LReference
Belt power (max)
40.4 kWReference
—
Max power
37.2 kWReference
—
Engine
—
41.0 kWReference
Power
—
41.0 kWReference
Torque
—
271.2 NmReference
Torque RPM
—
1100Reference
Starter
—
electricReference
Transmission
Transmission
International Harvester Torque AmplifierReference
—
Gears
10 forward and 2 reverseReference
5 forward and 1 reverseReference
Clutch
dry discReference
305mm dry discReference
PTO & Hydraulics
Type
partial power shiftReference
gearReference
Valves
1 to 3Reference
—
Rear PTO
independentReference
—
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
Hydraulic system
—
13.6 LReference
Capacity
—
13.6 LReference
Pressure
—
137.9 barReference
Rear Type
—
IIReference
Rear lift
—
2830 kgReference
Engine RPM
—
555@1500Reference
Dimensions
Wheelbase
243 cmReference
201 cmReference
Weight
2957 kgReference
2689 kgReference
Front tire
6.00-16Reference
6.00x16Reference
Rear tire
13.6-38Reference
13.00x30Reference
Ag front
6.00-16Reference
6.00x16Reference
Ag rear
13.6-38Reference
12.00x38Reference
Length
363 cmReference
367 cmReference
Height (steering wheel)
203 cmReference
197 cmReference
Bar rear axle
69 mmReference
—
Operating weight
—
2689 kgReference
Clearance (front axle)
—
49 cmReference
Front tread
—
129 to 205 cmReference
Rear tread
—
245 to 287 cmReference
Farmall 450 attachments
450 Serial Number Location
450 Serial Numbers
1956
501Reference
—
1957
1734Reference
—
1958
21871Reference
—
Capacities
Diameter
27 cmReference
27 cmReference
Width
213 cmReference
—
RPM
899Reference
929.6Reference
Speed
788.82 meters/minReference
815.95 meters/minReference
Fuel
—
79.1 LReference
Test results
Belt fuel use (max)
22.0 l/hourReference
—
Max pull
3326 kgReference
—
B-450 Serial Numbers
1959
—
501Reference
1960
—
657Reference
1961
—
1980Reference
1962
—
3047Reference
1963
—
5638Reference
1964
—
6919Reference
1965
—
8042Reference
1966
—
9696Reference
1967
—
10380Reference
1968
—
10764Reference
1969
—
11027Reference
1970
—
11162Reference
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.