Big Bud 400/20: all source data
All 51 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Big Bud |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in Havre, Montana, USA |
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| (no label) | Original price was $109,000 in 1978 |
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Engine| (no label) | Detroit Diesel 12.1L 8-cyl diesel |
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| Fuel tank | 550 gal | 2081.8 L |
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Transmission| (no label) | 12-speed gear |
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Power| Engine | 400 hp | 298.3 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Final drives | planetary |
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| (no label) | Articulated power steering |
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| (no label) | Pneumatic drum brakes |
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| (no label) | Cruiser Cab standard with air-conditioning. |
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Hydraulics| Type | closed center load sensing |
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| Valves | 4 |
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| Pump flow | 36 gpm | 136.3 lpm |
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| Steering flow | 35 gpm | 132.5 lpm |
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Dimensions| Wheelbase | 150 inches | 381 cm |
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| Weight | 40000 lbs | 18144 kg |
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| Front tire | 24.5-32 |
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| Rear tire | 24.5-32 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 75 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Detroit Diesel 8V-92T |
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| (no label) | turbocharged diesel |
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| (no label) | 8-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 736 ci | 12.1 L |
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| Bore/Stroke | 4.84x5.00 inches | 123 x 127 mm |
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| Power | 400 hp | 298.3 kW |
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| Compression | 19:1 |
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| Rated RPM | 2100 |
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| Starter | electric |
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| Starter volts | 24 |
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Transmission
Transmission| Transmission | Fuller Roadranger RT 12513 |
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| Type | gear |
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| Gears | 12 forward and 2 reverse |
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Dimensions
Tires| Ag front | 24.5-32 |
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| Ag rear | 24.5-32 |
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| Ag front | 30.5-32 |
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| Ag rear | 30.5-32 |
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Dimensions| Wheelbase | 150 inches | 381 cm |
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| Length | 267.6 inches | 679 cm |
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| Width | 120 inches | 304 cm |
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| Height (cab) | 144.5 inches | 367 cm |
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| Height (exhaust) | 156 inches | 396 cm |
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| Shipping weight | 40000 lbs | 18144 kg |
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| Max weight (Max) | 50000 lbs | 22680 kg |
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| Ground clearance | 14.5 inches | 36 cm |
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