Specifications, Part & Services, Museums & Clubs for Antique, Classic, Vintage and Muscle Cars

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1921 Dupont A Series
Suburban Sedan
Standard Specifications
  Show Summary  
Original Base Price $4,900.00
No. Produced
Body Maker
No. Doors
Passengers 5
Model Number
Weight
Wheelbase 124 inches
Length
Width
Height
Front Tread 56 inches
Rear Tread 56 inches
Type Own, L-head
Displacement 249.6 cu. in.
Cylinders 4
Bore & Stroke 3 15/16 & 5 1/8 inches
Compression Ratio-Std
Compression Ratio-Opt
Brake Horsepower
Rated Horsepower 24.8
Torque
Main Bearings 2
Valve Lifters
Block Material
Engine Numbers
Engine No. Location
Lubrication Force feed
Type
Make
Type Selective sliding gear
Drive
No. Of Gears 4
Gear Ratios
1st Unknown
2nd Unknown
3rd Unknown
4th Unknown
5th Not applicable
Reverse Unknown
Multiple disk - dry plate
Clutch Size
Full floating
Spiral bevel
Differential Ratio
Front
Rear
Service External contracting on rear wheels
Front Size Not applicable inches
Rear Size
Emergency Internal expanding on rear wheels
Size
Exhaust System
Ignition System
Battery 6 volt storage battery
Cooling System Water pump
Radiator Cellular
Fuel Type
Mileage
Wheel Type Wood
Wheel Mfr
Wheel Size
Tire Type Cord anti-skid
Tire Size 32 x 4 1/2
Spare Location
Fuel
Oil
Transmission
Cooling System
Rear Differential
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no.
VIN Description
VIN Location On dash under cowl. Serial numbers do not run consecutively.
General VIN Decoder

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Additional Information

Handbook of Automobiles 1921Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Paint Type
Colors Data not yet collected
Standard/Optional Equipment
WindshieldStd
SpeedometerStd
ClockStd
Demountable RimsStd
AmmeterStd
VoltmeterStd
Electric HornStd
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