A minor facelift and small trim variations were the main Cadillac styling news this year. Minature egg crate
"grilles" were set into the outboard grille extension panels below the headlights. Larger, bullet shaped style
bumper guards were used. The features list included
handbrake warning lamp
key start ignition
steering column cover
Delco-Remy generator
knee-action front suspension
directionals
mechanical fuel pump
dual downdraft carburetion
slipper type pistons
rubber engine mountings
oversize brakes
Super Cushion tires
one-piece windshield
intake silencer
160 horsepower engine
oil bath air cleaner
equalized manifolding
automatic choke
luxury appointments.
On the dashboard, "idiot lights" were used to monitor oil pressure and electrical charge rate instead of gauges.
The smaller body was again used on 61s and again identified by the lack of full-length chrome underscores.
However, a new medallion now appeared on the rear roof pillar of these cars, above the upper beltline
molding.
I. D. NUMBERS
Cadillac serial numbers again matched motor numbers and were used for all license, insurance and
identification purposes.
They were located on a boss at the front righthand face of the engine block and on the right frame side
member behind the motor support.
Motor serial numbers for 1951 Series 61 models began at 51610000000.
The ending number for all Cadillac series was 110340 (preceeded by applicable model year and-series code
for final unit.)
Model Number
Body Style
Doors
Model
Seating
Factory
Price
Shipping Weight
Production Total
51-61
6169
4-door
Sedan
5
2917
3827
2300
51-51
6137
2-door
Club
Coupe
5
2810
3829
2400
ENGINE
V-8, Overhead valves.
Cast iron block.
Displacement: 331 cubic inches.
Bore and stroke: 3-3/16 x 3-5/8 inches.
Compression ratio: 7.50:1.
Brake horsepower: 160 at 3800 rpm
Five main bearings.
Hydraulic valve lifters.
Carburetor: Carter WCD two-barrel Model 845S - also - Rochester BB two-barrel Model 7004200.
SERIES 62
Series 62 models had full-length chrome underscores on the rocker panels, rear fender skirts and lower rear
quarters. The
sedan had a conventional backlight (i.e., rear window) and featured rear ventipanes. A new Coupe DeVille script
was seen on
the rear roof pillar of this model which, like the convertible, was an exclusive Series 62 offering. The script
clearly
distinguished the more luxurious DeVille from the plainer club coupe, a distinction not emphasized in 1950.
Hydra-Matic
drive was regular equipment on all models (with a new type dial) and power windows were standard on the
convertible and
Coupe DeVille.
I. D. NUMBERS
Motor serial numbers 516200000 and up appeared on 1951
Model Number
Body Style
Doors
Model
Seating
Factory
Price
Shipping Weight
Production Total
51-62
6219
4-door
Sedan
5
3528
4102
54,596
51-62
6219
-
Export
Sedan
5
-
-
756
51-62
6237
2-door
Club
Coupe
5
3436
3993
10,132
51-62
6237DX
-
Coupe
DeVille
5
3843
4074
10,241
51-62
6267
-
Convertible
Coupe
5
3987
4316
6,117
51-62
126
-
Chassis
only
-
-
-
2
NOTE: The export sedan was shipped in completely-knocked-down (CKD) form to foreign countries.
ENGINE
V-8, Overhead valves.
Cast iron block.
Displacement: 331 cubic inches.
Bore and stroke: 3-3/16 x 3-5/8 inches.
Compression ratio: 7.50:1.
Brake horsepower: 160 at 3800 rpm
Five main bearings.
Hydraulic valve lifters.
Carburetor: Carter WCD two-barrel Model 845S - also - Rochester BB two-barrel Model 7004200.
SERIES 60 SPECIAL
FLEETWOOD
The 60 Special Fleetwood sedan was facelifted to conform with the minor changes in other models. Eight
vertical chrome louvers on the foward edge of the rear fenders continued to identify this car. All 1951 Cadillacs
with full wheel discs featured a new type design lacking the popular Sombrero look. Hydra-Matic and power
windows were standard on Sixty Specials.
I. D. NUMBERS
Motor serial numbers 516000000 and up appeared on 1951 Series
60S models.
Model Number
Body Style
Doors
Model
Seating
Factory
Price
Shipping Weight
Production Total
51-60
6019
4-door
Sedan
5
4142
4136
18,631
ENGINE
V-8, Overhead valves.
Cast iron block.
Displacement: 331 cubic inches.
Bore and stroke: 3-3/16 x 3-5/8 inches.
Compression ratio: 7.50:1.
Brake horsepower: 160 at 3800 rpm
Five main bearings.
Hydraulic valve lifters.
Carburetor: Carter WCD two-barrel Model 845S - also - Rochester BB two-barrel Model 7004200.
SERIES 75 FLEETWOOD
The Series 75 Fleetwood models were also facelifted to conform to the minor changes seen in other lines. Jump
seats were used in both the seven-passenger sedan and Imperial limousine. Hydra-Matic drive was optional and
hydraulic window lifts were standard. Business sedans were built in limited numbers on a special order basis.
I. D. NUMBERS
Motor serial numbers 517500000 and up appeared on 1951 Series 75 Fleetwood models.
Model Number
Body Style
Doors
Model
Seating
Factory
Price
Shipping Weight
Production Total
51-75
7523X
4-door
Sedan
8
5200
4555
1,090
51-75
7533X
4-door
Imperial
Sedan
8
5405
4586
1,085
51-75
7523L
4-door
Business
Sedan
8
-
-
30
51-75
86
-
Commercial chassis
-
-
-
2,960
NOTE: The commercial chassis featured a 157 inch wheelbase and was supplied to professional car makers for
construction.
ENGINE
V-8, Overhead valves.
Cast iron block.
Displacement: 331 cubic inches.
Bore and stroke: 3-3/16 x 3-5/8 inches.
Compression ratio: 7.50:1.
Brake horsepower: 160 at 3800 rpm
Five main bearings.
Hydraulic valve lifters.
Carburetor: Carter WCD two-barrel Model 845S - also - Rochester BB two-barrel Model 7004200.
CHASSIS
Model
Wheelbase
Overall Length
Front Tread
Rear
Tread
Tires
Series 61
122 inches
211-7/8
59 inches
63 inches
8.00 x
15
Series 62
126 inches
225-7/8
59 inches
63 inches
8.00 x
15
Series 60S
130 inches
224-7/8
59 inches
63 inches
8.00 x
15
Series 75
146-3/4 inches
236-5/8
59 inches
63 inches
8.20
x 15
POWERTRAIN OPTIONS
None available.
CONVENIENCE OPTIONS
Hydra-Matic drive on Series 61 and 75 ($186).
Power windows (specific models).
Heating and ventilating system.
Radio and antenna.
Chrome wheel discs.
Windshield washers.
Fog lamps.
White sidewall tires (availability limited).
HISTORICAL
The Series 61 line was discontinued in the middle of the year due to lagging sales.
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