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Big Bud 400/20 vs Big Bud 402
Verdict: Big Bud 400/20 vs Big Bud 402
The Big Bud 400/20 and the Big Bud 402 are both tractors — here is how they stack up on the figures that matter. Big Bud 402 leads on rated power with 402 hp against 400 hp. Big Bud 402 is the newer design (1986 vs 1979). In short: choose the Big Bud 402 for outright pulling power, or the Big Bud 400/20 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
Big Bud
62
Fit score
Best match
Clear
Big Bud
62
Fit score
Best match
Clear
Rated power
400 hp
402 hp
Confidence
40%
40%
Guide price
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Overview
Manufacturer
Big BudReference
Big BudReference
liquid-cooledReference
liquid-cooledReference
Final drives
planetaryReference
—
Total built
—
2Reference
Drive
—
4x4 4WDReference
Steering
—
hydrostatic powerReference
Variants
400/20
gear shiftReference
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400/30
power shiftReference
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Engine
Fuel tank
2081.8 LReference
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Engine
298.3 kWReference
299.8 kWReference
Displacement
12.1 LReference
14.6 LReference
Bore/Stroke
123 x 127 mmReference
137 x 165 mmReference
Power
298.3 kWReference
299.8 kWReference
Compression
19:1Reference
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Rated RPM
2100Reference
2100Reference
Starter
electricReference
—
Starter volts
24Reference
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Starter type
—
electricReference
Transmission
Transmission
Fuller Roadranger RT 12513Reference
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Gears
12 forward and 2 reverseReference
12 forward and 2 reverseReference
PTO & Hydraulics
Type
gearReference
full power shiftReference
Valves
4Reference
—
Pump flow
136.3 lpmReference
—
Steering flow
132.5 lpmReference
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Dimensions
Wheelbase
381 cmReference
—
Weight
18144 kgReference
18144 kgReference
Front tire
24.5-32Reference
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Rear tire
24.5-32Reference
—
Ag front
30.5-32Reference
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Ag rear
30.5-32Reference
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Length
679 cmReference
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Width
304 cmReference
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Height (cab)
367 cmReference
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Height (exhaust)
396 cmReference
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Shipping weight
18144 kgReference
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Max weight
22680 kgReference
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Ground clearance
36 cmReference
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Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
75Reference
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Battery volts
12Reference
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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.