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Big Bud 525/50 vs Big Bud KT400

Verdict: Big Bud 525/50 vs Big Bud KT400

The Big Bud 525/50 and the Big Bud KT400 are both tractors — here is how they stack up on the figures that matter. Big Bud 525/50 leads on rated power with 525 hp against 450 hp. Big Bud KT400 is the lighter machine (18,144 kg vs 45,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Big Bud 525/50 is the newer design (1979 vs 1977). In short: choose the Big Bud 525/50 for outright pulling power, or the Big Bud KT400 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 525/50 Tractor
Big Bud
62
Fit score
Best match
Clear
Big Bud KT400 Tractor
Big Bud
62
Fit score
Best match
Clear
Rated power
525 hp
450 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Big BudReference
Big BudReference
Drawbar performanceReference
liquid-cooledReference
Final drives
planetaryReference
Drive
4x4 4WDReference
Steering
hydrostatic powerReference
Variants
525/20
gear shiftReference
525/50
power shiftReference
Engine
Engine
391.5 kWReference
335.6 kWReference
Drawbar (tested)
303.1 kWReference
Displacement
18.8 LReference
18.8 LReference
Bore/Stroke
159 x 159 mmReference
159 x 159 mmReference
Power
391.5 kWReference
335.6 kWReference
Air cleaner
dual dry elementReference
Rated RPM
2100Reference
2100Reference
Starter
electricReference
Starter volts
24Reference
Max power
303.1 kWReference
Starter type
electricReference
Transmission
Transmission
Twin Disc TD-92-2609Reference
Fuller Road RangerReference
Gears
6 forward and 1 reverseReference
13 forward and 2 reverseReference
Capacities
Fuel
2081.8 LReference
Max capacity
27216 kgReference
PTO & Hydraulics
Hydraulic system
136.3 LReference
Type
power shiftReference
Capacity
136.3 LReference
Steering flow
136.3 lpmReference
Dimensions
Wheelbase
381 cmReference
Weight
45000 to 52000 poundsReference
18144 kgReference
Front tire
30.5-32Reference
Rear tire
30.5-32Reference
Ag front
30.5-32Reference
Ag rear
30.5-32Reference
Length
679 cmReference
Width
304 cmReference
Height (cab)
367 cmReference
Height (exhaust)
396 cmReference
Ground clearance
36 cmReference
Shipping
20412 kgReference
Operating
23587 kgReference
Electrical
Ground
negativeReference
Charging system
alternatorReference
Charging amps
75Reference
Battery volts
12Reference
Test results
Fuel use
103.3 l/hourReference
Max pull
19149 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.

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