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 KTA-1150-C / turbocharged aftercooled diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 1150 ci (18.8 L) |
| Power | 525 hp (391.5 kW) |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 24 |
| Drawbar (tested) | 406.48 hp (303.1 kW) |
Transmission
| Gears | 9 forward and 2 reverse / 6 forward and 1 reverse |
|---|---|
| Transmission | Twin Disc TD-92-2610 / Twin Disc TD-92-2609 |
| Type | power shift / power shift |
| Transmission type | 9-speed power shift / 6-speed power shift |
| Transmission type | 9-speed power shift / 6-speed power shift |
Mechanical
| Cab | Cruiser Cab standard with air-conditioning. |
|---|---|
| Description | Articulated power steering / Pneumatic drum brakes |
| Drive type | Four-wheel drive |
| Final drives | planetary |
Capacity
| Fuel | 550 gal (2081.8 L) |
|---|---|
| Hydraulic system | 36 gal (136.3 L) |
Hydraulics
| Capacity | 36 gal (136.3 L) |
|---|---|
| Steering flow | 36 gpm (136.3 lpm) |
| Type | closed center |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 75 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 30.5-32 |
|---|---|
| Ag rear | 30.5-32 |
| Ground clearance | 14.5 inches (36 cm) |
| Height (cab) | 144.5 inches (367 cm) |
| Height (exhaust) | 156 inches (396 cm) |
| Length | 267.6 inches (679 cm) |
| Wheelbase | 150 inches (381 cm) |
| Width | 120 inches (304 cm) |
| Front tire | 30.5-32 |
| Rear tire | 30.5-32 |
| Weight | 45000 to 52000 pounds |
| Wheelbase | 150 inches (381 cm) |
Big Bud 525/50 Weight
| Max capacity | 60000 lbs (27216 kg) |
|---|---|
| Operating | 52000 lbs (23587 kg) |
| Shipping | 45000 lbs (20412 kg) |
Nebraska Tractor Test 1400
| Description | Diesel 9-speed 4WDJune 29 - July 9, 1981Link: Nebraska Tractor Test 1400 file / Drawbar performance |
|---|---|
| Fuel use | 27.3 gal/hour (103.3 l/hour) |
| Max power | 406.48 hp (303.1 kW) |
| Max pull | 42216 lbs (19149 kg) |
References
| Description | No Excuses published in 1980, by Big Bud / Size Us Up published in 1979, by Big Bud |
|---|
Variants
| 525/20 | gear shift |
|---|---|
| 525/50 | power shift |