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1930 Buick Series 40
Sedan
Standard Specifications
  Show Summary  
Original Base Price $1,270.00
No. Produced 6,144
Body Maker Fisher
No. Doors 2
Passengers 5
Model Number 30-40
Weight 3,785lbs
Wheelbase 118 inches
Length
Width
Height
Front Tread 56.75 inches
Rear Tread 58 inches
Type Own, Valve-in-head
Displacement 257.5 cu. in.
Cylinders 6
Bore & Stroke 3 7/16 & 4 5/8 inches
Compression Ratio-Std 4.5 to 1
Compression Ratio-Opt
Brake Horsepower 80 1/2@2800
Rated Horsepower 28.4
Torque
Main Bearings 4
Valve Lifters
Block Material
Engine Numbers 2439593 to 2568137
Engine No. Location Right or left side of crankcase.
Lubrication Pressure to crankshaft and connector rod bearings
Type
Make Marvel
Type
Drive Rear wheel drive
No. Of Gears
Gear Ratios
1st
2nd
3rd
4th
5th
Reverse
Multiple disk - dry plate
Clutch Size 7 3/4 inches
3/4 floating
Spiral bevel
Differential Ratio 4.36 to 1
Front Semi-elliptic leaf springs
Rear Semi-elliptic leaf springs
Worm & roller
Service Internal expanding on 4 wheels, mechanical
Front Size
Rear Size
Emergency Internal expanding on rear wheels
Size
Exhaust System
Ignition System Distributor and coil
Battery
Cooling System Centrifugal water pump
Radiator Cellular
Fuel Type
Mileage
Wheel Type Artillery
Wheel Mfr
Wheel Size 19
Tire Type
Tire Size 29 x 5.5
Spare Location
Fuel 19 Gallons
Oil 7 1/2 Quarts
Transmission 3 1/2 Quarts
Cooling System 16 Quarts
Rear Differential 6 Pounds
Front Differential Not applicable
Transfer Case Not applicable
Non Classic
VIN/Serial no. 2313806 to 2439990
VIN Description
VIN Location Plate on outside of right or left frame side rail, about 13 in. behind front axle.
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Additional Information
The differential ratio for this model is 4.55.

Antique Automobile Nov/Dec 2000Horseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Serial No. Book for US Cars 1900-1975 G. BrighamHorseless Carriage Foundation
Chilton's Flat Rate Manual (1932)Horseless Carriage Foundation
Automobile Trade Journal & Motor Age March 1930Horseless Carriage Foundation
Paint Type
Colors Data not yet collected
Standard/Optional Equipment
Data not yet collectedStd
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