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SJ Rollson Fully Collapsible Town Car
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  Duesenberg SJ Rollson Fully Collapsible Town Car      

  Article Image gallery (6) 2563 J-397 Specifications  
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Country of origin:United States
Produced in:1940
Numbers built:1
Designed by:Rollson from sketches by Rudolf Bauer
Author:Wouter Melissen
Last updated:October 24, 2005
Download: All images

Engine
Configuration Lycoming / Duesenberg SJ 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 Supercharger
Power 320 bhp / 239 kW @ 4,200 rpm
BHP/Liter 47 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 2,400 kilo / 5,291 lbs
Wheelbase / Track (fr/r) 3,899 mm (153.5 in) / 1,422 mm (56 in) / 1,422 mm (56 in)

Performance figures
Power to weight 0.13 bhp / kg
Top Speed 187 km/h (116 mph)

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

  Article Image gallery (6) 2563 J-397 Specifications