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J Murphy Disappearing Top Torpedo Drophead Coupe
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  Duesenberg J Murphy Disappearing Top Torpedo Drophead Coupe      

  Article Image gallery (24) Chassis (2) Specifications  
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Country of origin:United States
Produced in:1930
Numbers built:5
Designed by:Murphy
Author:Wouter Melissen
Last updated:March 14, 2013
Download: All images

Engine
Configuration Lycoming / Duesenberg J Straight 8
Location Front, longitudinally mounted
Construction cast-iron block and head
Displacement 6,876 cc / 419.6 cu in
Bore / Stroke 95.3 mm (3.8 in) / 120.7 mm (4.8 in)
Compression 5.2:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Schebler Carburettor
Aspiration Naturally Aspirated
Power 265 bhp / 198 kW @ 4,200 rpm
Torque 507 Nm / 374 ft lbs @ 2,000 rpm
BHP/Liter 39 bhp / liter

Drivetrain
Chassis steel ladder frame
Front suspension beam axle, semi-elliptic leaf springs, friction dampers
Rear suspension live axle, semi-elliptic leaf springs, friction dampers
Steering Ross cam-and-lever
Brakes hydraulic drums, all-round
Gearbox Warner Gear 3 speed Manual
Drive Rear wheel drive

Dimensions
Weight 2,300 kilo / 5,071 lbs
Wheelbase / Track (fr/r) 3,620 mm (142.5 in) / 1,422 mm (56 in) / 1,422 mm (56 in)

Performance figures
Power to weight 0.12 bhp / kg
Top Speed 187 km/h (116 mph)

Auctions
Past sales

Resources
Suggested reading
  • Duesenberg, the Pursuit of Perfection, by Fred Roe
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Useful links

  Article Image gallery (24) Chassis (2) Specifications