Big Bud 450 tractor

Big Bud 450

Power

450 hp

Production

1986-1989

Engine

Detroit Diesel 8V92TA, 8-cylinder

Transmission

Full power shift

Weight

40,000 lbs [18144 kg]

Drive

4WD

Introduction

Big Bud 450 Four-Wheel Drive Tractor

The Big Bud 450 is a heavy-duty four-wheel drive agricultural tractor manufactured by Big Bud in Havre, Montana, USA. Produced in a limited run of only seven units between 1986 and 1989, this machine represents a specialized segment of high-horsepower tractors engineered for large-scale field operations.

Engine and Performance

The tractor is powered by a Detroit Diesel 8V92TA engine. This 8-cylinder, liquid-cooled, turbocharged, and aftercooled diesel power plant features a displacement of 736 cubic inches (12.1 liters) and a bore/stroke ratio of 4.84 by 5.00 inches. It delivers a rated power output of 450 horsepower (335.6 kW), utilizing an electric starter system.

Transmission and Drive

The drivetrain utilizes a full power shift transmission system offering 12 forward gears and 2 reverse gears, allowing for on-the-fly shifting to optimize power delivery. The tractor is configured with a 4x4 four-wheel drive system, providing the necessary traction for heavy draft work. Steering is managed through a hydrostatic power steering system.

Dimensions and Operator Environment

With an operating weight of 40,000 lbs (18,144 kg), the Big Bud 450 is built to maximize soil engagement and pulling force. The machine comes equipped with a standard cabin designed to house the operator during extended field operations.

Conclusion

With only seven units ever manufactured, the Big Bud 450 is a rare example of American heavy machinery. Its design, characterized by a high-displacement Detroit Diesel engine and a robust power shift transmission, positions it as a specialized tool for demanding agricultural tasks requiring significant drawbar pull.

Production Information of Big Bud, 450

  • Four-wheel Drive (4WD) tractor
  • Built in Havre, Montana, USA
ManufacturerBig Bud
Total built7

Dimension and Tires Information of Big Bud, 450

Weight40,000 lbs [18144 kg]

Engine Specifications of Big Bud, 450

  • Detroit Diesel 8V92TA
  • Liquid-cooled
  • Turbocharged aftercooled diesel
  • 8-cylinder
Power450 hp [335.6 kW]
Displacement736 ci [12.1 L]
Starter typeElectric
Bore/Stroke4.84x5.00 inches [123 x 127 mm]

Transmission Information of Big Bud, 450

Transmission variants 1

TypeFull power shift
Gears12 forward and 2 reverse

Mechanical Specs of Big Bud, 450

  • Cab standard.
Drive4x4 4WD
SteeringHydrostatic power

Power Information of Big Bud, 450

Engine450 hp [335.6 kW]

Electrical System of Big Bud, 450

GroundNegative

Where it sits

With 450 HP, the Big Bud 450 sits between 440 (440 HP) and 500 (500 HP) in Big Bud's range. Its power puts it in the 99th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the Big Bud 450 have?

The Big Bud 450 delivers 450 HP.

What years was the Big Bud 450 produced?

The Big Bud 450 was produced in 1986-1989.

What engine does the Big Bud 450 have?

The Big Bud 450 is powered by a Detroit Diesel 8V92TA, 8-cylinder engine.

What transmission does the Big Bud 450 use?

The Big Bud 450 uses a Full power shift transmission.

How much does the Big Bud 450 weigh?

The Big Bud 450 weighs 40,000 lbs [18144 kg].

Is the Big Bud 450 4WD?

The Big Bud 450 is available in 4WD.

Compare the Big Bud 450 with another model