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International Harvester 300 vs International Harvester 424

Verdict: International Harvester 300 vs International Harvester 424

The International Harvester 300 and the International Harvester 424 are both tractors — here is how they stack up on the figures that matter. International Harvester 300 leads on rated power with 38 hp against 37 hp. International Harvester 424 is the lighter machine (1,839 kg vs 1,956 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 424 is the newer design (1964 vs 1955). In short: choose the International Harvester 300 for outright pulling power, or the International Harvester 424 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
International Harvester 300 Tractor
International Harvester
62
Fit score
Best match
Clear
International Harvester 424 Tractor
International Harvester
62
Fit score
Best match
Clear
Rated power
38 hp
37 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
International HarvesterReference
International HarvesterReference
Gear 1 used for power test.Reference
Diesel 8-speed 2WDSeptember 16 - 23, 1965Link: Nebraska Tractor Test 911 fileReference
Total built
29,077 (Farmall)Reference
Factories
Louisville, Kentucky, USAReference
Original price
$3,300 (1967)Reference
Steering
power assistReference
Variants
Farmall 300
row-crop tractorReference
Engine
Plows
3-bottomReference
Drawbar (tested)
28.6 kWReference
23.8 kWReference
Belt (tested)
31.8 kWReference
Displacement
2.8 LReference
2.5 LReference
Bore/Stroke
90 x 108 mmReference
89 x 102 mmReference
Compression
8.75:1Reference
23.1:1Reference
Rated RPM
1750Reference
2000Reference
Idle RPM
900-2000Reference
Starter volts
12Reference
12Reference
Oil capacity
5.7 LReference
18.9 LReference
Coolant capacity
15.1 LReference
Air cleaner
oil bathReference
oil bathReference
Belt power (max)
31.8 kWReference
Max power
28.6 kWReference
23.8 kWReference
Fuel tank
53.0 LReference
Drawbar (claimed)
23.9 kWReference
Firing order
1-3-4-2Reference
Power at rated engine speed
27.5 kWReference
Transmission
Gears
10 forward and 2 reverseReference
8 forward and 2 reverseReference
Clutch
dry discReference
dry discReference
Transmission
International Harvestor Torque AmplifierReference
Capacities
Fuel
42.6 LReference
PTO & Hydraulics
Hydraulic system
12.3 LReference
Capacity
12.3 LReference
Type
two-speed power shiftReference
sliding gearReference
Rear PTO
independent (with TA)Reference
liveReference
Rear PTO Type
540Reference
540Reference
PTO (claimed)
27.6 kWReference
PTO (tested)
27.6 kWReference
Rear Type
IReference
Dimensions
Wheelbase
190 cmReference
177 cmReference
Weight
1956 kgReference
1839 kgReference
Front tire
5.50-16Reference
5.50-16Reference
Rear tire
10-28Reference
12.4-28Reference
Ag front
6.00-16Reference
5.50-16Reference
Ag rear
12-28Reference
12.4-28Reference
Length
302 cmReference
307 cmReference
Width
165 cmReference
170 cmReference
Height (steering wheel)
149 cmReference
Operating weight
1956 kgReference
Ballasted weight
2995 kgReference
Ground clearance
52 cmReference
Height
144 cmReference
International Harvester 300 attachments
300 Serial Number Location
300 Serial Numbers
1955
501Reference
1956
20219Reference
Final
33664Reference
Electrical
Ground
positiveReference
Battery volts
12 (LP gas)Reference
Test results
Belt fuel use (max)
17.8 l/hourReference
Max pull
1986 kgReference
2437 kgReference
Fuel use
10.6 l/hourReference
International Harvester 424 attachments
424 Serial Number Location
424 Serial Numbers
1964
501Reference
1965
1402Reference
1966
7841Reference
1967
13627Reference
Attachment overview

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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