Big Bud 525/50
Power
525 hp
Production
1979-1982
Engine
Turbocharged aftercooled diesel, 6-cylinder
Transmission
Twin Disc TD-92-2610
Drive
4WD
Introduction
Big Bud 525/50: Articulated 4WD Tractor
The Big Bud 525/50 is a high-horsepower four-wheel-drive tractor manufactured between 1979 and 1982 in Havre, Montana, USA. Designed for large-scale agricultural operations, this machine belongs to the heavy-duty tractor segment, characterized by its articulated chassis and significant pulling capacity.
Engine and Performance
The tractor is powered by a Cummins KTA-1150-C diesel engine. This 18.8-liter (1150 cubic inch), 6-cylinder liquid-cooled unit features a turbocharger and aftercooler, producing a rated power of 525 hp (391.5 kW) at 2100 RPM. Air intake is managed by a dual dry element air cleaner to protect the engine during field operations.
Transmission and Drivetrain
The power is transmitted to the ground via a Twin Disc power shift transmission. Two configurations were available: a 9-forward and 2-reverse speed option, or a 6-forward and 1-reverse option. The drivetrain utilizes planetary final drives and articulated power steering to manage the machine's size and power effectively.
Hydraulics and Electrical Systems
The hydraulic system utilizes a closed-center design with a total capacity of 36 gallons (136.3 liters). The steering system operates with a flow rate of 36 gpm (136.3 lpm). The electrical system is built on a 12-volt architecture, equipped with an alternator capable of 75 charging amps to support the tractor's operational requirements.
Dimensions and Operator Environment
The tractor rides on 30.5-32 agricultural tires on both the front and rear axles. It measures 150 inches (381 cm) in wheelbase and 267.6 inches (679 cm) in total length. The operator is housed in the standard Cruiser Cab, which includes air conditioning to maintain environmental control during extended work periods. Stopping power is provided by pneumatic drum brakes.
Conclusion
The Big Bud 525/50 is engineered for heavy-duty traction tasks and large-scale soil cultivation. Its robust Cummins engine, combined with a power shift transmission and articulated steering, makes it a specialized tool for professional farming environments requiring high force and consistent reliability.
Production Information of Big Bud, 525/50
- Four-wheel Drive (4WD) tractor
- Built in Havre, Montana, USA
| Manufacturer | Big Bud |
|---|
Dimension and Tires Information of Big Bud, 525/50
| Wheelbase | 150 inches [381 cm] |
|---|---|
| Height (exhaust) | 156 inches [396 cm] |
| Height (cab) | 144.5 inches [367 cm] |
| Length | 267.6 inches [679 cm] |
| Ground clearance | 14.5 inches [36 cm] |
| Width | 120 inches [304 cm] |
| Ag front | 30.5-32 |
|---|---|
| Ag rear | 30.5-32 |
Engine Specifications of Big Bud, 525/50
- Cummins KTA-1150-C
- Liquid-cooled inline
- Turbocharged aftercooled diesel
- 6-cylinder
| Starter volts | 24 |
|---|---|
| Displacement | 1150 ci [18.8 L] |
| Air cleaner | Dual dry element |
| Bore/Stroke | 6.25x6.25 inches [159 x 159 mm] |
| Starter | Electric |
| Rated RPM | 2100 |
| Power | 525 hp [391.5 kW] |
Transmission Information of Big Bud, 525/50
Transmission variants 1
| Transmission | Twin Disc TD-92-2610 |
|---|---|
| Type | Power shift |
| Gears | 9 forward and 2 reverse |
Transmission variants 2
| Transmission | Twin Disc TD-92-2609 |
|---|---|
| Type | Power shift |
| Gears | 6 forward and 1 reverse |
- 9-speed power shift
- 6-speed power shift
Mechanical Specs of Big Bud, 525/50
- Four-wheel drive
- Cruiser Cab standard with air-conditioning.
- Pneumatic drum brakes
- Articulated power steering
| Final drives | Planetary |
|---|
Power Information of Big Bud, 525/50
- Https://www.tractordata.com/farm-tractors/000/4/4/442-big-bud-52550-tests.html
Hydraulics Specifications of Big Bud, 525/50
| Type | Closed center |
|---|---|
| Capacity | 36 gal [136.3 L] |
| Steering flow | 36 gpm [136.3 lpm] |
Electrical System of Big Bud, 525/50
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 75 |
Where it sits
With 525 HP, the Big Bud 525/50 sits between 500 (500 HP) and 600/50 (600 HP) in Big Bud's range. Its power puts it in the 99th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Big Bud 525/50 have?
The Big Bud 525/50 delivers 525 HP.
What years was the Big Bud 525/50 produced?
The Big Bud 525/50 was produced in 1979-1982.
What engine does the Big Bud 525/50 have?
The Big Bud 525/50 is powered by a Turbocharged aftercooled diesel, 6-cylinder engine.
What transmission does the Big Bud 525/50 use?
The Big Bud 525/50 uses a Twin Disc TD-92-2610 transmission.
Is the Big Bud 525/50 4WD?
The Big Bud 525/50 is available in 4WD.