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Big Bud 400 Specs ( 1986-1988 )

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Overview

The Big Bud 400 is a high-capacity 4WD farm tractor built in Havre, Montana, featuring a 400 hp Caterpillar 14.6L 6-cylinder turbocharged intercooled diesel engine. Weighing 43,700 lbs and equipped with a 12-speed full power shift transmission, this machine is designed for heavy-duty agricultural operations requiring significant traction and power.

Ideal Applications

High-Traction Field Preparation: The 43,700 lb weight combined with 4WD drive and 400 hp allows for high-performance pulling of large-scale implements in challenging soil conditions.
Demand-Heavy Engine Tasks: The Caterpillar 3406B turbocharged intercooled diesel engine provides substantial power at a rated 2100 RPM to handle intensive field applications.
Variable Speed Management: With a 12-speed full power shift transmission offering 12 forward and 2 reverse gears, operators can precisely match tractor speed to specific farm task requirements.

Production

Description Built in Havre, Montana, USA
Drive type Four-wheel Drive (4WD) tractor
Manufacturer Big Bud
Total built 3

Engine

Engine type Caterpillar 14.6L 6-cyl diesel
Bore/Stroke 5.400x6.50 inches (137 x 165 mm)
Description Caterpillar 3406B / turbocharged intercooled diesel / 6-cylinder / liquid-cooled
Displacement 893 ci (14.6 L)
Power 400 hp (298.3 kW)
Rated RPM 2100
Starter type electric

Transmission

Gears 12 forward and 2 reverse
Transmission type 12-speed full power shift
Type full power shift

Mechanical

Cab Cab standard.
Drive 4x4 4WD
Steering hydrostatic power

Electrical

Ground negative

Dimensions & Tires

Weight 43700 lbs (19822 kg)
Weight 43700 lbs (19822 kg)