Overview
The Big Bud KT400 is a heavy-duty 4WD farm tractor manufactured in Havre, Montana, featuring a massive 18.8L Cummins turbocharged diesel engine producing 450 hp. Built between 1977 and 1978, this machine utilizes a 40,000 lb frame and a 13-speed Fuller Road Ranger transmission to handle demanding agricultural tasks.
Ideal Applications
Heavy-Duty Tillage:
The 450 hp turbocharged engine and 40,000 lb weight provide the necessary power and traction for high-capacity pulling on large-scale farming operations.
All-Terrain Field Operations:
Equipped with a 4x4 4WD drive system and hydrostatic power steering, this tractor is built to maintain control and maneuverability across diverse field conditions.
Variable Speed Applications:
The Fuller Road Ranger transmission with 13 forward gears allows operators to precisely match engine output and ground speed to specific implement requirements.
Production
| Description | Built in Havre, Montana, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Big Bud |
Engine
| Engine type | Cummins 18.8L 6-cyl diesel |
|---|---|
| Bore/Stroke | 6.25x6.25 inches (159 x 159 mm) |
| Description | Cummins / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 1150 ci (18.8 L) |
| Power | 450 hp (335.6 kW) |
| Rated RPM | 2100 |
| Starter type | electric |
Transmission
| Gears | 13 forward and 2 reverse |
|---|---|
| Transmission | Fuller Road Ranger |
| Transmission type | 13-speed |
Mechanical
| Cab | Cab standard. |
|---|---|
| Drive | 4x4 4WD |
| Steering | hydrostatic power |
Dimensions & Tires
| Weight | 40,000 lbs (18144 kg) |
|---|---|
| Weight | 40,000 lbs (18144 kg) |