Loading tractor models...
Big Bud 400/20
 | 1979 - 1981
3 SeriesFour-wheel Drive (4WD) tractor |
|---|---|
1979 - 1981 | |
3 Series | |
Four-wheel Drive (4WD) tractor | |
1979 - 1981 | |
|---|---|
3 Series | |
Four-wheel Drive (4WD) tractor |
Production | |
|---|---|
Manufacturer | Big Bud |
Four-wheel Drive (4WD) tractor | |
Built in Havre, Montana, USA | |
Original price was $109,000 in 1978 | |
Variants | |
|---|---|
400/20 | gear shift |
400/30 | power shift |
Big Bud 400/20 Engine | |
|---|---|
Detroit Diesel 12.1L 8-cyl diesel | |
Fuel tank | 550 gal
2081.8 L |
Engine details ...  | |
Big Bud 400/20 Transmission | |
|---|---|
12-speed gear | |
Transmission details ...  |
Big Bud 400/20 Power | |
|---|---|
Engine | 400 hp
298.3 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | planetary |
Articulated power steering | |
Pneumatic drum brakes | |
Cruiser Cab standard with air-conditioning. | |
Hydraulics | |
|---|---|
Type | closed center load sensing |
Valves | 4 |
Pump flow | 36 gpm
136.3 lpm |
Steering flow | 35 gpm
132.5 lpm |
Dimensions & Tires | |
|---|---|
Wheelbase | 150 inches
381 cm |
Weight | 40000 lbs
18144 kg |
Front tire | 24.5-32 |
Rear tire | 24.5-32 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 75 |
Battery volts | 12 |
References | |
|---|---|
 | |
400/30 400/20 published in 1978, by Big Bud | |
Size Us Up published in 1979, by Big Bud |