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International Harvester 423 vs International Harvester D-440
Verdict: International Harvester 423 vs International Harvester D-440
The International Harvester 423 and the International Harvester D-440 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 40 hp. International Harvester 423 is the lighter machine (2,015 kg vs 2,080 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 423 is the newer design (1966 vs 1959). 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
62
Fit score
Best match
Clear
International Harvester
62
Fit score
Best match
Clear
Rated power
40 hp
40 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
International HarvesterReference
International HarvesterReference
liquid-cooledReference
With 11-28 rear tires.Reference
Differential lock
mechanical rearReference
—
Total built
—
1,787Reference
Engine
Engine (gross)
29.8 kWReference
—
Engine (net)
28.3 kWReference
—
Displacement
2.5 LReference
2.2 LReference
Bore/Stroke
98 x 111 mmReference
83 x 102 mmReference
Power (net)
28.3 kWReference
—
Power (gross)
29.8 kWReference
—
Air cleaner
dryReference
—
Compression
16:1Reference
19:1Reference
Rated RPM
1900Reference
1900Reference
Starter volts
12Reference
12Reference
Oil capacity
34.5 LReference
6.6 LReference
Coolant capacity
13.0 LReference
13.7 LReference
Fuel tank
—
54.9 LReference
Engine
—
29.8 kWReference
Power
—
29.8 kWReference
Transmission
Type
creeperReference
—
Gears
12 forward and 3 reverseReference
8 forward and 2 reverseReference
Clutch
254mm dry discReference
—
Transmission
—
AgriomaticReference
Capacities
Fuel
60.2 LReference
—
PTO & Hydraulics
Hydraulic system
12.9 LReference
—
Capacity
12.9 LReference
—
Rear Type
II/IReference
IIReference
Rear lift
1759 kgReference
—
Rear PTO Type
540Reference
540 (1.375)Reference
Dimensions
Wheelbase
192 cmReference
187 cmReference
Weight
2015 kgReference
2080 kgReference
Front tire
6.00-16Reference
6.00-16Reference
Rear tire
12.4/11-28Reference
11-28Reference
Ag front
7.50-16Reference
6.00-16Reference
Ag rear
11-36Reference
11-36Reference
Length
308 cmReference
288 cmReference
Width
162 cmReference
173 cmReference
Height
154 cmReference
165 cmReference
Ground clearance
38 cmReference
—
Front tread
121 to 185 cmReference
—
Rear tread
128 to 187 cmReference
—
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.