Big Bud 400
Power
400 hp
Production
1986-1988
Engine
Turbocharged intercooled diesel, 6-cylinder
Transmission
Full power shift
Weight
43700 lbs [19822 kg]
Drive
4WD
Introduction
Big Bud 400: Heavy-Duty 4WD Tractor
The Big Bud 400 is a high-horsepower four-wheel drive tractor produced between 1986 and 1988. Manufactured in Havre, Montana, USA, this machine was designed for large-scale agricultural operations requiring significant traction and power. Only three units of this specific model were built.
Engine and Performance
The tractor is powered by a Caterpillar 3406B engine. This 14.6-liter, 6-cylinder diesel unit is turbocharged and intercooled, providing 400 horsepower (298.3 kW) at a rated speed of 2100 RPM. It utilizes a liquid-cooling system to maintain thermal stability during heavy-load operations.
Transmission and Drive
The drivetrain features a full power shift transmission, providing 12 forward gears and 2 reverse gears. This system allows for on-the-go shifting without manual clutching. The tractor operates on a 4x4 four-wheel drive configuration, ensuring effective power transfer to the ground.
Mechanical Specifications and Handling
Steering is managed via a hydrostatic power steering system, which reduces operator effort when maneuvering the heavy chassis. The tractor has a base weight of 43,700 lbs (19,822 kg), which contributes to its stability and drawbar pull capacity. A standard cabin is provided for operator accommodation.
Conclusion
The Big Bud 400 is a specialized, low-production tractor engineered for heavy tillage and large-acreage farming. Its combination of a high-displacement Caterpillar engine and a robust power shift transmission positions it as a machine designed for maximum field efficiency in demanding environments.
Production Information of Big Bud, 400
- Four-wheel Drive (4WD) tractor
- Built in Havre, Montana, USA
| Manufacturer | Big Bud |
|---|---|
| Total built | 3 |
Dimension and Tires Information of Big Bud, 400
| Weight | 43700 lbs [19822 kg] |
|---|
Engine Specifications of Big Bud, 400
- Caterpillar 3406B
- Liquid-cooled
- Turbocharged intercooled diesel
- 6-cylinder
| Power | 400 hp [298.3 kW] |
|---|---|
| Displacement | 893 ci [14.6 L] |
| Rated RPM | 2100 |
| Bore/Stroke | 5.400x6.50 inches [137 x 165 mm] |
| Starter type | Electric |
Transmission Information of Big Bud, 400
Transmission variants 1
| Type | Full power shift |
|---|---|
| Gears | 12 forward and 2 reverse |
Mechanical Specs of Big Bud, 400
- Cab standard.
| Drive | 4x4 4WD |
|---|---|
| Steering | Hydrostatic power |
Power Information of Big Bud, 400
| Engine | 400 hp [298.3 kW] |
|---|
Electrical System of Big Bud, 400
| Ground | Negative |
|---|
Where it sits
With 400 HP, the Big Bud 400 sits between 370 (370 HP) and 402 (402 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 400 have?
The Big Bud 400 delivers 400 HP.
What years was the Big Bud 400 produced?
The Big Bud 400 was produced in 1986-1988.
What engine does the Big Bud 400 have?
The Big Bud 400 is powered by a Turbocharged intercooled diesel, 6-cylinder engine.
What transmission does the Big Bud 400 use?
The Big Bud 400 uses a Full power shift transmission.
How much does the Big Bud 400 weigh?
The Big Bud 400 weighs 43700 lbs [19822 kg].
Is the Big Bud 400 4WD?
The Big Bud 400 is available in 4WD.