The Cadillac Series 37-85 was, once more, a Series 37-75 with a V-12 engine. 1937 was the final model year for this engine. The Series 80, with 131 in. wheelbase was dropped from the line. Oil bath air cleaner and pressure radiator cap were new to the 1937 V-12.
| Engine numbers were on the upper surface of the generator drive chain housing. |
| Starting: 4130001. |
| Ending: 4130478. |
| Series 37-85 Fleetwood 138 in. wheelbase | ||||
|---|---|---|---|---|
| Style Number | Style | Seating | Price | Weight |
| 37-7509F | Formal Sedan | 5 | 4195 | 5050 |
| 37-7513 | Imperial Sedan | 7 | 3695 | 5165 |
| 37-7519 | Transformable Sedan | 5 | 3345 | 5050 |
| 37-7523 | Transformable Sedan | 7 | 3495 | 5130 |
| 37-7529 | Convertible Sedan | 5 | 4145 | 5165 |
| 37-7533 | Imperial Transformable Sedan | 7 | 3695 | 5165 |
| 37-7539 | Town Sedan | 5 | 3845 | 5000 |
| 37-7543 | Town Car | 7 | 5245 | 5230 |
| 37-7511 | Transformable Coupe | 5 | ||
| 37-7518 | Sedan | 5 | ||
| 37-7589A | Coupe | 5 | ||
| 37-7591 | Limousine Brougham | 7 | ||
| Series 37-85 Fisher 138 in. wheelbase Business Cars | ||||
|---|---|---|---|---|
| Style Number | Style | Seating | Price | Weight |
| 37-7523SL | Special Business Transformable Sedan | 8 | 2575 | 4825 |
| 37-7533SL | Special Business Imperial Transformable Sedan | 8 | 2775 | 4985 |
| Series 37-85 Fleetwood 138 in. wheelbase Business Cars | ||||
|---|---|---|---|---|
| Style Number | Style | Seating | Price | Weight |
| 37-7503L | Business Sedan | 8 | ||
| 37-7513L | Business Imperial Sedan | 8 | ||
| 37-7523L | Business Transformable Sedan | 8 | ||
| 37-7533L | Business Imperial Transformable Sedan | 8 | ||
| Type | 45 degree, overhead valve. |
| Cylinders | Twelve Cylinders. |
| Block | Cast iron block on aluminum crankcase. |
| Bore & Stroke | 3-1/8 x 4 in. |
| Displacement | 368 cu. in. |
| Compression Ratio | 6.0:1 std. 5.65:1 opt. |
| Brake Horsepower | 150 @ 3600 rpm |
| SAE/Taxable Horsepower | 46.9. |
| Main bearings | Four. |
| Valve lifters | Mechanical with hydraulic silencer on rocker bushing. |
| Carburetor | Dual Detroit lubricator, type R-13, L-13, Model 51. |
| Wheelbase | 138 in. |
| Overall length | 215-7/8 in. |
| Front Tread | 60-3/16 in. |
| Rear Tread | 61-1/2 in. |
| Tires | 7.50 x 16. |
| Transmission | Selective, synchro transmission. |
| Speeds | 3 Forward, 1 Reverse |
| Controls | Left Hand Drive, center control, emergency lever at left under panel (rhd opt). |
| Clutch | Single disc clutch. |
| Drive | Shaft drive, Hotchkiss. |
| Axle | Semi-floating rear axle, spiral bevel drive. |
| Overall ratio | 4.6:1. |
| Brakes | Hydraulic brakes on four wheels. |
| Wheels | Disc wheels. |
| Wheel size | 16 in. |
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