Big Bud HN320

Big Bud HN320 Four-wheel Drive (4WD) tractor Technical Specifications

Big Bud HN320 is a Row-Crop tractor that was produced by the John Deere between 1976 – 1978.

Below you will find detailed technical specifications for Big Bud HN320 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Big Bud HN320 Production

Manufacturer: Big Bud
Type: Four-wheel Drive (4WD) tractor
Factory: Havre, Montana, USA

Big Bud HN320 Mechanical

Chassis: 4×4 articulated 4WD
Steering: hydrostatic power
Cab: Cab standard.
Transmission: 12-speed gear


Type: open center
Pump flow: 20 gpm
75.7 lpm
Total flow: 40 gpm
151.4 lpm
Steering flow: 20 gpm
75.7 lpm

Big Bud HN320 Engine detail

Engine Detail
Cummins NT855
turbocharged intercooled diesel
liquid-cooled inline
Displacement: 855 ci
14.0 L
Bore/Stroke: 5.50×6.00 inches
140 x 152 mm
Power: 320 hp
238.6 kW
Rated RPM: 2100
Starter type: electric

Big Bud HN320 Transmission overview

Engine Oil

Transmission: Fuller
Type: gear
Gears: 12 forward and 2 reverse

Big Bud HN320 Dimensions

Shipping weight: 36000 lbs
16329 kg


Is Big Bud HN320 a good tractor?

The Big Bud HN320 is one of the great tractors in the Big Bud stable, and it has earned Big Bud a fantastic reputation.

How much oil does a Big Bud HN320 take?

Check out the Big Bud HN320 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Big Bud made the ?

The Big Bud HN320 was an agricultural tractor model made from 1976 – 1978

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