Overview
The Big Bud HN320 is a four-wheel drive farm tractor manufactured in Havre, Montana, between 1976 and 1978. It features a Cummins 14.0L 6-cylinder turbocharged intercooled diesel engine rated at 320 hp and a shipping weight of 36,000 lbs.
Ideal Applications
Engine and Fuel Configuration:
The powertrain consists of an 855 ci liquid-cooled inline engine with a 525-gallon fuel tank and an electric starter.
Transmission and Drive System:
This 4WD model is equipped with a 12-speed Fuller gear transmission providing 12 forward and 2 reverse gears.
Hydraulic and Mechanical Specifications:
The open center hydraulic system provides a total flow of 40 gpm, supported by hydrostatic power steering and standard cab equipment.
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 inline |
| Displacement | 855 ci (14.0 L) |
| Power | 320 hp (238.6 kW) |
| Rated RPM | 2100 |
| Starter type | electric |
Transmission
| Gears | 12 forward and 2 reverse |
|---|---|
| Transmission | Fuller |
| Transmission type | 12-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 | 23.1x30 |
|---|---|
| Ag rear | 23.1x30 |
| Shipping weight | 36000 lbs (16329 kg) |
| Front tire | 23.1x30 |
| Rear tire | 23.1x30 |
| Weight | 36000 lbs (16329 kg) |
References
| Description | Big Bud published in 1976 |
|---|