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Big Bud 400/30

Big Bud 400/30 tractor
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The Big Bud 400/30 is a four-wheel drive farm tractor produced from 1979 to 1981 by Big Bud in Havre, Montana, USA. It features a Detroit Diesel 8V-92T turbocharged 8-cylinder liquid-cooled engine with 400 hp (298.3 kW) power output. The tractor has a 6-speed power shift transmission (Twin Disc TD-61-1154) and planetary final drives. It includes articulated power steering, pneumatic drum brakes, and a Cruiser Cab with air-conditioning. The hydraulics system is closed center load sensing with 4 valves and a pump flow of 36 gpm (136.3 lpm). Dimensions include a 150 inch (381 cm) wheelbase, 267.6 inch (679 cm) length, and a shipping weight of 40000 lbs (18144 kg). The tractor uses 24.5-32 and 30.5-32 agricultural tires front and rear. Electrical system features a 12 volt battery with a 75 amp alternator charging system.
Big Bud 400/30Big Bud tractors400/30 tractor specsfarm tractorDetroit Diesel 8V-92Tpower shift transmission4WD tractor
Power400 hp
Founded1979 - 1981
Model400/30

Technical Specifications

Detailed specifications and technical data for Big Bud 400/30

Power

Engine power:400 hp (298.3 kW)

Tires

Ag rear:24.5-32, 30.5-32
Ag front:24.5-32, 30.5-32

Engine

Type:turbocharged diesel
Model:Detroit Diesel 8V-92T
Power:400 hp (298.3 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:8-cylinder
Fuel tank:550 gal (2081.8 L)
Rated RPM:2100
Bore/Stroke:4.84x5.00 inches (123 x 127 mm)
Compression:19:1
Displacement:736 ci (12.1 L)
Starter volts:24

Variants

400/20:gear shift
400/30:power shift

Dimensions

Width:120 inches (304 cm)
Length:267.6 inches (679 cm)
Wheelbase:150 inches (381 cm)
Max weight:50000 lbs (22680 kg)
Height (cab):144.5 inches (367 cm)
Shipping weight:40000 lbs (18144 kg)
Ground clearance:14.5 inches (36 cm)
Height (exhaust):156 inches (396 cm)

Electrical

Ground:negative
Battery volts:12
Charging amps:75
Charging system:alternator

Hydraulics

Type:closed center load sensing
Valves:4
Pump flow:36 gpm (136.3 lpm)
Steering flow:35 gpm (132.5 lpm)

Mechanical

Cab:Cruiser Cab standard with air-conditioning
Drive:Four-wheel drive
Brakes:Pneumatic drum brakes
Steering:Articulated power steering
Final drives:planetary

Production

Type:Four-wheel Drive (4WD) tractor
Series:3 Series
Built in:Havre, Montana, USA
Original price:$117,000
Years produced:1979 - 1981
Special order engine option:Cummins KT-1150-C400

Transmission

Type:power shift
Gears:6 forward and 1 reverse
Model:Twin Disc TD-61-1154

Related Models

Big Bud 400/20

Model:400/20