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Big Bud 450/20 vs Big Bud KT400
Verdict: Big Bud 450/20 vs Big Bud KT400
The Big Bud 450/20 and the Big Bud KT400 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 450 hp. Big Bud KT400 is the lighter machine (18,144 kg vs 18,824 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Big Bud 450/20 is the newer design (1979 vs 1977). 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
Big Bud
62
Fit score
Best match
Clear
Big Bud
62
Fit score
Best match
Clear
Rated power
450 hp
450 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Big BudReference
Big BudReference
liquid-cooledReference
liquid-cooledReference
Drive
4x4 4WDReference
4x4 4WDReference
Steering
hydrostatic powerReference
hydrostatic powerReference
Variants
450/20
gear shiftReference
—
450/50
power shiftReference
—
Engine
Engine
335.6 kWReference
335.6 kWReference
Displacement
18.8 LReference
18.8 LReference
Bore/Stroke
159 x 159 mmReference
159 x 159 mmReference
Power
335.6 kWReference
335.6 kWReference
Rated RPM
2100Reference
2100Reference
Starter type
electricReference
electricReference
Transmission
Transmission
FullerReference
Fuller Road RangerReference
Type
gearReference
—
Gears
12 forward and 2 reverseReference
13 forward and 2 reverseReference
Dimensions
Weight
18824 kgReference
18144 kgReference
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.