Big Bud 400/20 tractor specifications

1979 - 1981

1979 - 1981 3 SeriesFour-wheel Drive (4WD) tractor

Production

Production Manufacturer:Big Bud
Type:Four-wheel Drive (4WD) tractor
Factory:Havre, Montana, USA
Original price:$109,000 (1978 )

Variants

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

1979 - 1981

3 Series

Four-wheel Drive (4WD) tractor

Production

Production
Manufacturer:	Big Bud
Type:	Four-wheel Drive (4WD) tractor
Factory:	Havre, Montana, USA
Original price:	$109,000 (1978 )

Variants

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

Big Bud 400/20 Power

Big Bud 400/20 Power
Engine:	400 hp 298.3 kW

Big Bud 400/20 Engine

Big Bud 400/20 Engine
Detroit Diesel 12.1L 8-cyl diesel
Fuel tank:	550 gal 2081.8 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x4 articulated 4WD
Final drives:	planetary
Steering:	articulated power
Brakes:	pneumatic drum
Cab:	Cruiser Cab standard with air-conditioning.
Transmission:	12-speed gear
Transmission details ...

Hydraulics

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

Dimensions & Tires

Dimensions & Tires
Wheelbase:	150 inches 381 cm
Weight:	40000 lbs 18144 kg
Front tire:	24.5-32
Rear tire:	24.5-32
Full dimensions and tires ...

Electrical

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

Big Bud 400/20 Power

Big Bud 400/20 Power Engine:400 hp
298.3 kW

Big Bud 400/20 Engine

Big Bud 400/20 Engine Detroit Diesel 12.1L 8-cyl diesel Fuel tank:550 gal
2081.8 L
Engine details ...

1979 - 1981

3 Series

Four-wheel Drive (4WD) tractor

Engine Detail

Engine Detail
Detroit Diesel 8V-92T
turbocharged diesel
8-cylinder
liquid-cooled
Displacement:	736 ci 12.1 L
Bore/Stroke:	4.84x5.00 inches 123 x 127 mm
Power:	400 hp 298.3 kW
Compression:	19:1
Rated RPM:	2100
Starter:	electric
Starter volts:	24

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Final drives:planetary
Steering:articulated power
Brakes:pneumatic drum
Cab:Cruiser Cab standard with air-conditioning.
Transmission:12-speed gear
Transmission details ...

1979 - 1981

3 Series

Four-wheel Drive (4WD) tractor

Transmission

Transmission
Transmission:	Fuller Roadranger RT 12513
Type:	gear
Gears:	12 forward and 2 reverse

Speeds

Speeds

Hydraulics

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

Dimensions & Tires

Dimensions & Tires Wheelbase:150 inches
381 cm
Weight:40000 lbs
18144 kg
Front tire:24.5-32
Rear tire:24.5-32
Full dimensions and tires ...

1979 - 1981

3 Series

Four-wheel Drive (4WD) tractor

Big Bud 400/20 Tires

Big Bud 400/20 Tires
Ag front:	24.5-32
Ag rear:	24.5-32
Ag front:	30.5-32
Ag rear:	30.5-32

Dimensions

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