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Big Bud 450/20 vs Big Bud KT450
Verdict: Big Bud 450/20 vs Big Bud KT450
The Big Bud 450/20 and the Big Bud KT450 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 450 hp. Big Bud 450/20 is the lighter machine (18,824 kg vs 19,504 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 1976). 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
With 30.5x32 tires.Reference
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
Fuel tank
—
1987.1 LReference
Transmission
Transmission
FullerReference
Fuller Road RangerReference
Type
gearReference
open centerReference
Gears
12 forward and 2 reverseReference
13 forward and 2 reverseReference
Dimensions
Weight
18824 kgReference
19504 kgReference
Front tire
—
30.5x32Reference
Rear tire
—
30.5x32Reference
Ag front
—
30.5x32Reference
Ag rear
—
30.5x32Reference
Shipping weight
—
19504 kgReference
PTO & Hydraulics
Pump flow
—
83.3 lpmReference
Total flow
—
166.5 lpmReference
Steering flow
—
83.3 lpmReference
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.