Overview
The Big Bud 525/20 is a four-wheel drive farm tractor manufactured between 1979 and 1982 in Havre, Montana. It features a Cummins 18.8L 6-cylinder turbocharged diesel engine rated at 525 hp and is equipped with a 12-speed gear transmission.
Ideal Applications
Powertrain and Engine Configuration:
The tractor is powered by a Cummins 12V149 liquid-cooled engine with an 1150 ci displacement and a 24-volt electric starter system.
Mechanical and Transmission Layout:
Equipped with a Fuller 12-speed gear transmission providing 12 forward and 2 reverse gears, the 525/20 variant utilizes a manual gear shift and hydrostatic power steering.
Dimensions and Operator Environment:
Built on a 150-inch wheelbase, the tractor includes the standard Cruiser Cab and operates on a negative ground electrical system.
Production
| Description | Built in Havre, Montana, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Big Bud |
Engine
| Engine type | Cummins 18.8L 6-cyl diesel |
|---|---|
| Air cleaner | dual dry element |
| Bore/Stroke | 6.25x6.25 inches (159 x 159 mm) |
| Description | Cummins 12V149 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 1150 ci (18.8 L) |
| Power | 525 hp (391.5 kW) |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 24 |
Transmission
| Gears | 12 forward and 2 reverse |
|---|---|
| Transmission | Fuller |
| Transmission type | 12-speed gear |
| Type | gear |
Mechanical
| Cab | Cruiser Cab standard. |
|---|---|
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
Electrical
| Ground | negative |
|---|
Dimensions & Tires
| Wheelbase | 150 inches (381 cm) |
|---|---|
| Wheelbase | 150 inches (381 cm) |
References
| Description | Size Us Up published in 1979, by Big Bud |
|---|
Variants
| 525/20 | gear shift |
|---|---|
| 525/50 | power shift |