Overview
The Big Bud HN350 is a 350-hp four-wheel drive farm tractor produced between 1973 and 1978 in Havre, Montana. It features a 14.0L Cummins 6-cylinder turbocharged intercooled diesel engine paired with a 13-speed Fuller gear transmission and standard cab.
Ideal Applications
Powertrain and Capacity:
The vehicle is equipped with a 14.0L Cummins NT855 liquid-cooled engine rated at 2100 RPM and a fuel tank capacity of 525 gallons.
Drivetrain and Mechanicals:
The 4WD system uses hydrostatic power steering and a Fuller gear transmission providing 13 forward speeds and 2 reverse speeds.
Physical Dimensions and Hydraulics:
With a shipping weight of 40,000 lbs, the tractor utilizes 24.5x32 tires and an open center hydraulic system with a total flow of 40 gpm.
Production
| Description | Built in Havre, Montana, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Big Bud |
Engine
| Engine type | Cummins 14.0L 6-cyl diesel |
|---|---|
| Fuel tank | 525 gal (1987.1 L) |
| Bore/Stroke | 5.50x6.00 inches (140 x 152 mm) |
| Description | Cummins NT855 / turbocharged intercooled diesel / 6-cylinder / liquid-cooled |
| Displacement | 855 ci (14.0 L) |
| Power | 350 hp (261.0 kW) |
| Rated RPM | 2100 |
| Starter type | electric |
Transmission
| Gears | 13 forward and 2 reverse |
|---|---|
| Transmission | Fuller |
| Transmission type | 13-speed gear |
| Type | gear |
Mechanical
| Cab | Cab standard. |
|---|---|
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
Hydraulics
| Pump flow | 20 gpm (75.7 lpm) |
|---|---|
| Steering flow | 20 gpm (75.7 lpm) |
| Total flow | 40 gpm (151.4 lpm) |
| Type | open center |
Dimensions & Tires
| Ag front | 24.5x32 |
|---|---|
| Ag rear | 24.5x32 |
| Shipping weight | 40000 lbs (18144 kg) |
| Front tire | 24.5x32 |
| Rear tire | 24.5x32 |
| Weight | 40000 lbs (18144 kg) |
References
| Description | Big Bud published in 1976 / 350-450 published by Big Bud |
|---|
Speeds
| Description | With 30.5x32 tires. |
|---|