The single-cylinder engine
1902-1908

[ 5x5 inches, 98.2 cu.in. ]

Known as Little Hercules, the first Leyland-designed
single-cylinder engine ably powered these Cadillacs:
the 1902-1903 cars [no model name or letter given]
and (starting in 1904) the Models A, B, C, E, F, K, M, S and T

The four-cylinder engine
1905

Models D and H

[ 4x5 inches, 300.7 cu.in. ]

[ image ? ]

The modified four-cylinder engine
1906

Model L

[ 5x5 inches, 392.7 cu.in. ]

The beautiful, copper-clad 4-cylinder engine of some Cadillac models
built  from 1905 through 1909 and all Cadillac cars from 1910 through 1914:
Models D, G, H, L, Thirty (of 1909-1911) and  Models 1912, 1913, 1914

The modified four-cylinder engine
1907-1909

Model G,   Model Thirty

[ 4x4½ inches, 226 cu.in. ]

RH side view of 1909 4-cyl. engine

The modified four-cylinder engine
1910

Model Thirty

[ 4¼x4½ inches, 255.3 cu.in. ]

       
Left: front view of 1910 engine with crankcase off
Center: sparkling, restored 1910 engine
Right: RH side of 1912 engine

The modified four-cylinder engine
1911-1912

Model Thirty and Cadillac 1912

[ 4½x4½ inches, 286.3 cu.in. ]

The modified four-cylinder engine
1913-1914

Cadillac 1913 and 1914

[ 4½x5¾ inches, 365.8 cu.in. ]

The 4-cylinder engine of a restored 1913 Cadillac touring car

The in-line eight, or straight eight engine
used in La Salle models
1934-1936

  
These straight 8 engine power the La Salles of 1934-1936

The eight-cylinder V-8 engine
1915-1927

Types 51, 53, 55, 57, 59, 61, V-63 and Series 341

[ 3¹/8x5¹/8 inches, 314 cu.in. ]

       
Left and center: the first V8 engine - 1915
[ Photo, right:  © 2000, Yann Saunders ]
Right: RH front bird's-eye view of 1919 survivor

1925 Cadillac chassis with V-8 engine

The modified eight-cylinder V-8 engine
1928-1929

Series 341 and 341B

[ 3⁵/16x4¹⁵/16 inches, 341 cu.in. ]

[ image ? ]

The modified eight-cylinder V-8 engine
1930-1935

Series 353, 355, 355B, 355C, 355D and Series 10

[ 3³/8x4¹⁵/16 inches, 353 cu.in. ]

The 1930 V-8 engine, Series 353

The modified eight-cylinder V-8 engine
1936

Series 60

[ 3³/8x4½ inches, 322 cu.in. ]

[ image ? ]

The modified eight-cylinder V-8 engine
1936-1948

Series 60, 60S, 61, 62, 63, 65, 67, 70, 72, 75
[ not all Series were represented each year from 1936-1948 ]

[ 3½x4½ inches, 346 cu.in. ]

       
The L-head V-8 remained basically unchanged
from 1936 up to 1948, including tank use in WW2 (right)

   
Left: engine in medallion, from the 1939 Cadillac product catalog
Right: checking cylinder bores in the mid-thirties
[ this original 1947 photo was found in an old album that the factory had discarded;
recovered in a dumpster in MI,  the album was subsequently sold on e-Bay in 2003 ]

The twelve-cylinder V-12 engine
1930-1937
Series 370/370A, 370B, 370C, 370D and Series 40, 80, 85

[ 3¹/8x4 inches, 368 cu.in. ]

   
Left: this engine remained basically unchanged throughout the ten years it was in use
Right: shown with large air cleaners, from 1935-1937

The sixteen-cylinder V-16 engine
1930-1937

Series 452/452A, 452B, 452C, 452D and Series 60 and 90

[ 3x4 inches, 452 cu.in. ]

The grand sixteen-cylinder engine of 1930-31
[ I seem to have lost the captions that go with this image! ]

Original NY Salon show demo engine

   
This is V-16 engine #700425; it has been offered
for sale on Ebay a number of times in the last 8 years

   
(Left) Early, streamlined distributor (1930)
(Right) Regular distributor design from mid-1930 to 1937

   
Above two rows:  the 1933 V-16 engine (top photo shows it with the cylinder heads off)

       
Three demo engines from the 1930-1933 salons

        
Survivors of 1932-1934

The new sixteen-cylinder V-16 engine
1938-1940

Series 90

[ 3¼x3¼ inches, 431 cu.in. ]

   
The 1938 V-16 chassis and engine

The new eight-cylinder OHV V-8 engine
1949- 1955

Series 61, 62, 60S, 75
[ not all Series were represented each year from 1949-1955 ]

[ 3¹³/16x3⁵/8 inches, 331 cu.in. ]

   
New, high-compression OHV engine starting in 1949

LH side view of the 1953 power plant

The modified eight-cylinder OHV V-8 engine
1956-1958

Series   60S, 62, 70, 75
[ not all Series were represented each year from 1949-1955 ]

[ 4x3⁵/8 inches, 365 cu.in. ]

The Eldorado engine for 1956
[ Photo: © 2008, Jeff Hansen ]

The modified eight-cylinder OHV V-8 engine
1959-1963

Series   60S, 62, 63, 64, 67, 69 [ex-75] and 70
[ not all Series were represented each year from 1959-1963 ]

[ 4x3⁷/8 inches, 390 cu.in. ]

[ image ? ]

The modified eight-cylinder OHV V-8 engine
1964-1967

Series   60S, 62, 63, 67, Calais, de Ville and Fleetwood
[ not all Series or model designations were represented each year from 1964-1967 ]

[ 4¹/8x3¹/10 inches, 429 cu.in. ]

[ image ? ]

The modified eight-cylinder OHV V-8 engine
1968-1969

Calais, de Ville and Fleetwood Series

[ 4.30x4.06 inches, 472 cu.in. ]

   
The 1968 V-8 engine [...and demo model, right]

The modified eight-cylinder OHV V-8 engine
1970-1976

Calais, de Ville and Fleetwood Series

[ 4.30x4.304 inches, 500 cu.in. ]

[ image ? ]

The new eight-cylinder OHV V-8 engine
1970-1976

Seville Series

[ 4.057x3.385 inches, 350 cu.in. ]

[ image ? ]

Inputs, modifications, corrections and engine photos are eagerly sought to complete this page, up to and including the years 2002-03 (Cadillac's 100th Anniversary year)

 

e.g.

The Cadillac diesel engines

The infamous HT-4100, V4 - 6 - 8 engine

Others ???

e.g.

The "Northstar"
1991-up

Vortec 5300 (2001, 5.30 Northstar V8 LM7 with electronic throttle control)
2002 345HP Vortec 6000 V8

   
(Left)  Experimental V-16 engine for 2003 prototype Sixteen
(Right) The power plant, as installed in the car for the 2003 Detroit Motor Show

A "Sixteen" of the thirties on display
beside the "New Millennium Sixteen", in 2003

Experimental V-12 engine from 1967
exhibited in Cadillac Museum, Warren, MI

    
These are from the mod-50s and were used
(inter alia) on Italian-made Riva boats

(résumé en français)

Cette page est consacrée aux divers moteurs qui ont équipé les automobiles Cadillac
de 1902 à nos jours. Texte et autres dessins et photos viendront progressivement s'y ajouter.