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Years in Production / 1976–1978
Big Bud
HN320
Explore the specifications, hardware, and original references for the Big Bud HN320.

No photo
320hp
Source index power
4x4 Only
Drive
1976–1978
Production years
Big Bud
Manufacturer
HN320 / 01
At a glance
Production
Four-wheel Drive (4WD) tractor
Built in Havre, Montana, USA
- Manufacturer
- Big Bud
Mechanical
Four-wheel drive
Cab standard.
- Steering
- hydrostatic power
Hydraulics
- Type
- open center
- Pump Flow
- 20 gpm75.7 lpm
- Total Flow
- 40 gpm151.4 lpm
- Steering Flow
- 20 gpm75.7 lpm
HN320 / 02
Under the hood
Engine Detail
Cummins NT855
turbocharged intercooled diesel
6-cylinder
liquid-cooled inline
- Displacement
- 855 ci14.0 L
- Bore Stroke
- 5.50x6.00 inches140 x 152 mm
- Power
- 320 hp238.6 kW
- Rated Rpm
- 2100
- Starter Type
- electric
- Cylinders
- 6
- Cooling
- liquid-cooled inline
Engine Options
Cummins 14.0L 6-cyl diesel
- Fuel Tank
- 525 gal1987.1 L
HN320 / 03
Gears & controls
Transmission
- Transmission
- Fuller
- Transmission Type
- gear
- Gears
- 12 forward and 2 reverse
HN320 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 36000 lbs16329 kg
- Front Tire
- 23.1x30
- Rear Tire
- 23.1x30
Tires And Tracks
- Front Ag
- 23.1x30
- Rear Ag
- 23.1x30