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Farmall 300 vs Farmall M

Verdict: Farmall 300 vs Farmall M

The Farmall 300 and the Farmall M are both tractors — here is how they stack up on the figures that matter. Farmall 300 leads on rated power with 35 hp against 34 hp. Farmall M is the lighter machine (2,203 kg vs 2,431 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall M holds more fuel (79.5 L vs 64.3 L) for longer stints between fills. Farmall 300 is the newer design (1954 vs 1939). In short: choose the Farmall 300 for outright pulling power, or the Farmall 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 300 Tractor
Farmall
62
Fit score
Best match
Clear
Farmall M Tractor
Farmall
62
Fit score
Best match
Clear
Rated power
35 hp
34 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
Farmall (a part of International Harvester)Reference
Gear 3 used for power test.Reference
Gasoline 5-speed 2WDSeptember 11 - 21, 1939Link: Nebraska Tractor Test 328 fileReference
Total built
170 (High-Clearance)Reference
270,140Reference
Final drives
bull gearReference
Original price
$2,600 (1952 )Reference
Variants
IH 300
utility tractorReference
Farmall 300 High-Clearance
high-crop tractorReference
MD
diesel engineReference
MV
high-cropReference
MDV
diesel high-cropReference
AM
Australian-built M, built 1949-1954Reference
BM
British-built MReference
W-6
standard-frontReference
I-6
industrialReference
Engine
Fuel tank
64.3 LReference
79.5 LReference
Plows
3Reference
3 (14-inch)Reference
Drawbar (tested)
26.4 kWReference
24.7 kWReference
Belt (tested)
28.6 kWReference
27.3 kWReference
Displacement
2.8 LReference
4.1 LReference
Bore/Stroke
90 x 108 mmReference
98 x 133 mmReference
Air cleaner
oil bathReference
Compression
6.6:1Reference
5.65:1Reference
Rated RPM
1750Reference
1450Reference
Idle RPM
900-1750Reference
Starter volts
6Reference
Coolant capacity
15.6 LReference
22.7 LReference
Belt power (max)
28.6 kWReference
27.3 kWReference
Max power
26.4 kWReference
24.7 kWReference
Aux. fuel
3.8 LReference
Drawbar (claimed)
18.6 kWReference
Belt (claimed)
23.1 kWReference
Firing order
1-3-4-2Reference
Oil capacity
7.6 LReference
Sparkplug gap
0.635 mmReference
Point gap
0.508 mmReference
Intake valve clearance
0.432 mmReference
Exhaust valve clearance
0.432 mmReference
Power at rated engine speed
26.9 kWReference
Transmission
Gears
10 forward and 2 reverseReference
5 forward and 1 reverseReference
Transmission
Torque AmplifierReference
PTO & Hydraulics
Type
two-speed power shiftReference
sliding gearReference
Valves
1 to 3Reference
Rear PTO
independentReference
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
PTO (tested)
26.9 kWReference
Pressure
55.2 barReference
Dimensions
Wheelbase
243 cmReference
224 cmReference
Weight
2431 kgReference
2203 kgReference
Front tire
5.50-16Reference
6.00-16Reference
Rear tire
11-38Reference
11-38Reference
Ag front
7.50-16Reference
22.50x4 (steel)Reference
Ag rear
13-38Reference
11.25-36Reference
Length
355 cmReference
337 cmReference
Width
254 cmReference
213 cmReference
Height (steering wheel)
223 cmReference
Clearance (rear axle)
64 cmReference
Bar rear axle
69 mmReference
69 mmReference
Front tread
144 to 227 cmReference
23 cmReference
Rear tread
121 to 254 cmReference
132 to 223 cmReference
Height
198 cmReference
Shipping weight
2203 kgReference
Ballasted weight
3070 kgReference
Farmall 300 attachments
300 Serial Numbers
1954
501Reference
1955
1779Reference
1956
23224Reference
Location:
Serial number on the left side of the clutch housing.Reference
Electrical
Ground
positiveReference
Battery volts
6Reference
Attachment overview
Test results
Belt fuel use (max)
16.7 l/hourReference
11.4 l/hourReference
Max pull
2529 kgReference
1935 kgReference
Fuel use
11.4 l/hourReference
Farmall M attachments
M Serial Number Location
M Serial Numbers
1939
FBK501Reference
1940
FBK7240Reference
1941
FBK25371Reference
1942
FBK50988Reference
1943
FBK60011Reference
1944
FBK67424Reference
1945
FBK88085Reference
1946
FBK105564Reference
1947
FBK122823Reference
1948
FBK151708Reference
1949
FBK180514Reference
1950
FBK213579Reference
1951
FBK247518Reference
1952
FBK290923Reference
Final
FBK298218Reference

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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