Cadillac Models & History S 1908
TheMODEL S has the same chassis as the 1907 model except the wheelbase on all body styles increased to 2083mm and full running boards replaced the step plates. Single and double rumble seat options were available on the straight line or Victoria styles runabouts. If rumble seat passengers were to be carried regularly, it was recommended that tire size be increased from 30 x 3 to 30 x 3-1/2.
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1907 Cadillac Model S
runabout with rumble seat
I. D. DATA
|
Serial number location
|
Serial numbers on plate on rear of body (with engine number. Engine numbers were stamped two places on crankcase:
|
|
Model S engine no.
|
24075-24350 with K,- M, T (1907), 24351-25832 with T |
STYLE
| Body Type | Seating | Price |
|---|---|---|
| Straight Line Runabout | 2P | $850 |
| Victoria Runabout | 2P | $850 |
| Victoria Runabout w/single rumble | $875 | |
| St. Line Runabout w/double rumble | $885 |
ENGINE
|
Engine type
|
Horizontal, with cylinder to rear. |
|
Number of cylinders
|
One cylinder |
|
Block
|
Cast iron cylinder, with copper water jacket |
|
Bore & stroke
|
127mm x 127mm |
|
Displacement
|
1.609 Liters |
|
Brake HP
|
“Higher than advertised or calculated” |
|
ALAM HP
|
10 |
|
Advertised HP
|
10 |
|
Main bearings
|
2 |
|
Valve lifters
|
mechanical |
|
Carburetor
|
Updraft mixer manufactured by Cadillac |
CHASSIS
|
Wheelbase
|
2083mm |
|
Front/Rear Tread
|
1422mm |
|
Optional Front/Rear Tread
|
1549mm |
|
Overall length
|
3073mm |
|
Height
|
1626mm |
|
Tires
|
30 x 3 |
DRIVETRAIN
|
Transmission
|
Planetary transmission |
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Speeds
|
2 Forward (3:1 and 1:1), Reverse (3:1) |
|
Drive control
|
Low (foot pedal), reverse & high (lever to the right) |
|
Clutch
|
disc clutch |
|
Drive
|
Chain drive |
|
Axle
|
|
|
Differential
|
Spur gear |
|
Overall ratio
|
3.1:1 to 5:1 |
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Brakes
|
Mechanical brakes on two wheels; contracting on inboard drums |
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Wheels
|
Wood wheels, 12 spokes |
|
Touring & Roadster Wheel size
|
24 in. |
DRIVETRAIN OPTIONS
- On the models M, S & T, different combinations of 9 or 10 tooth driving sprocket with 31, 34, 38, 41, or 45 tooth driven sprocket gave ten possible ratios from 3.1:1 to 5:1.
-
Driven Sprocket 31 34 38 41 45 9 tooth drive sprocket 3.44 3.78 4.22 4.56 5.00 10 tooth drive sprocket 3.10 3.40 3.80 4.10 4.50 - Lower ratios for runabout to be run on smooth, level roads to higher ratios for loaded Delivery to be run on rough, hilly roads.
- Instructions for changing sprockets were available for owners, but the change involved disassembly of the transmission and rear axle — definitely not a “quick-change” set-up.
OPTIONS
