Big Bud 525/50
The Big Bud 525/50 is a powerful four-wheel drive farm tractor produced by Big Bud from 1979 to 1982. It features a Cummins 18.8L 6-cylinder turbocharged aftercooled diesel engine delivering 525 hp (391.5 kW). The tractor offers power shift transmission options with 9-speed and 6-speed variants. It is equipped with planetary final drives, articulated power steering, pneumatic drum brakes, and a Cruiser Cab with air-conditioning. The tractor has a large fuel capacity of 550 gallons and a hydraulic system capacity of 36 gallons. Dimensions include a 150-inch wheelbase, 267.6-inch length, and a weight range of 45,000 to 52,000 pounds. Tires are sized 30.5-32 front and rear. Electrical system features a 12-volt battery with a 75-amp alternator. The Big Bud 525/50 is known for its robust construction and high performance in demanding agricultural tasks.
Power525 hp
Founded1979 - 1982
Model525/50
Technical Specifications
Detailed specifications and technical data for Big Bud 525/50
Power
| Engine power | 525 hp (391.5 kW) |
|---|---|
| Drawbar (tested) | 406.48 hp (303.1 kW) |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Cummins KTA-1150-C |
| Power | 525 hp (391.5 kW) |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 6-cylinder |
| Rated RPM | 2100 |
| Air cleaner | dual dry element |
| Bore/Stroke | 6.25x6.25 inches (159 x 159 mm) |
| Displacement | 1150 ci (18.8 L) |
| Starter volts | 24 |
Weight
| Shipping | 45000 lbs (20412 kg) |
|---|---|
| Operating | 52000 lbs (23587 kg) |
| Max capacity | 60000 lbs (27216 kg) |
Capacity
| Fuel | 550 gal (2081.8 L) |
|---|---|
| Hydraulic system | 36 gal (136.3 L) |
Variants
| 525/20 | gear shift |
|---|---|
| 525/50 | power shift |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 75 |
| Charging system | alternator |
Hydraulics
| Type | closed center |
|---|---|
| Capacity | 36 gal (136.3 L) |
| Steering flow | 36 gpm (136.3 lpm) |
Mechanical
| Cab | Cruiser Cab standard with air-conditioning |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Pneumatic drum brakes |
| Steering | Articulated power steering |
| Final drives | planetary |
Production
| Series | 3 Series |
|---|---|
| Built in | Havre, Montana, USA |
| Drive type | Four-wheel Drive (4WD) tractor |
| Years produced | 1979 - 1982 |
References
| Books | No Excuses published in 1980, by Big Bud; Size Us Up published in 1979, by Big Bud |
|---|
Transmission
| Type 1 | power shift |
|---|---|
| Type 2 | power shift |
| Gears 1 | 9 forward and 2 reverse |
| Gears 2 | 6 forward and 1 reverse |
| Options | 9-speed power shift, 6-speed power shift |
| Transmission 1 | Twin Disc TD-92-2610 |
| Transmission 2 | Twin Disc TD-92-2609 |
Dimensions & Tires
| Width | 120 inches (304 cm) |
|---|---|
| Length | 267.6 inches (679 cm) |
| Weight | 45000 to 52000 pounds |
| Rear tire | 30.5-32 |
| Wheelbase | 150 inches (381 cm) |
| Front tire | 30.5-32 |
| Height (cab) | 144.5 inches (367 cm) |
| Ground clearance | 14.5 inches (36 cm) |
| Height (exhaust) | 156 inches (396 cm) |
