Big Bud 400/20
Production ended · 4WD
Power
Power specifications| Engine | 400 hp unspecified |
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| PTO | no record |
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| Drawbar | no record |
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| Listed power | 400 hp engine basis |
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Engines
Engines fitted to the Big Bud 400/20| Detroit Diesel 12.1L 8-cyl dieselDiesel · 8 cyl | 736 ci |
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Engine details
- Detroit Diesel 12.1L 8-cyl diesel
- Bore × stroke
- 4.84 in × 5 in
- Rated speed
- 2,100 rpm
- Rated power
- 400 hp
- Compression
- 19:1
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled
Transmissions
Transmissions for the Big Bud 400/20| Fuller Roadranger RT 12513gear | 12F / 2R |
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Weight
Weight specifications| Weight | 40,000 lb shipping |
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| Shipping | 40,000 lb |
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Dimensions
Dimensions specifications| Wheelbase | 150 in |
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| Length | 267.6 in |
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| Width | 120 in |
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| Ground clearance | 14.5 in |
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Capacities
Capacities specifications| Fuel tank | 550 gal |
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Hydraulics
Hydraulics specifications| System | closed center load sensing |
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| Pump flow | 36 gpm |
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| Steering flow | 35 gpm |
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| Remote valves | 4 |
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Hitch
Hitch specifications| Rear lift capacity | no record |
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Chassis
Chassis specifications| Drive | 4WD |
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| Steering | Articulated power steering |
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| Brakes | Pneumatic drum brakes |
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| Final drives | planetary |
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| Cab | Cruiser Cab standard with air-conditioning |
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Tires
Tires specifications| Front | 24.5-32 |
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| Rear | 24.5-32 |
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Electrical
Electrical specifications| System voltage | 12 V |
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| Charging | alternator |
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| Charging output | 75 A |
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| Ground | negative |
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Production
Production specifications| Price new | $109,000 (1978) |
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| Factories | Havre, Montana, USA |
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| Built by | Big Bud |
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