Chrysler flathead engine
The Chrysler flathead engine is a flathead automotive engine manufactured by the Chrysler Corporation from 1924 through the 1950s.
| Chrysler Flathead engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Chrysler Corporation |
| Also called | Chrysler Sidevalve engine |
| Production | 1924–1950s |
| Layout | |
| Configuration | Side-valve |
| Block material | Cast iron |
| Head material | Cast iron |
| Combustion | |
| Fuel system | Carburetor |
| Fuel type | gasoline |
| Chronology | |
| Successor | |
Straight-4
Chrysler introduced a straight-four derivative of their new Flathead straight-six in 1926. Initially used by Chrysler, the straight-four was fitted to Plymouth and Dodge light trucks beginning in 1929, lasting in production through 1933.
The original version displaced 185.8 cu in (3,044 cc) and produced 38 hp (28 kW). This was only produced in 1926, with displacement reduced to 170.3 cu in (2,791 cc) for 1927 and 1928. Power was initially rated the same but was upped to 45 hp (34 kW) during the 1928 model year.
After the introduction of the Plymouth brand in 1929, the base engine was enlarged to 175.4 cu in (2,874.3 cc) with the power rating remaining the same. It also equipped Dodge light trucks in 1929–1930. It was enlarged again to 196.1 cu in (3,213 cc) in 1930 with 48 hp (36 kW). The engine was slightly revised for 1931 with 56 hp (42 kW) and 1932 with 65 hp (48 kW) for Plymouth only, Dodge continued with the 48 hp (36 kW) from 1931 to 1933. A small-bore version was developed for export markets in 1931, with a narrower bore which brought the RAC rating down from 21 to 15.6 hp. For 1932 the bore was made a little slimmer yet, bringing the tax horsepower rating to just beneath 15.5.
| Displacement | Year(s) | Horsepower | Applications | Bore | Stroke |
|---|---|---|---|---|---|
| 186 cu in (3,044 cc) | 1926 | 38 | Chrysler model F-58 | 3 5⁄8 in (92.1 mm) | 4 1⁄2 in (114.3 mm) |
| 170 cu in (2,791 cc) | 1927 | 38 | Chrysler Series 50 | 4 1⁄8 in (104.8 mm) | |
| 1928 | 38-45 | Chrysler Series 52 | |||
| 1928 | 45 | Plymouth Model Q | |||
| 175 cu in (2,875 cc) | 1929 | 45 | Plymouth U | 4 1⁄4 in (108.0 mm) | |
| 1929 | 45 | Dodge 1/2 Ton | |||
| 1930 | 45 | Dodge U1-A/B/C | |||
| 196 cu in (3,213 cc) | 1930 | 48 | Plymouth 30U | 4 3⁄4 in (120.7 mm) | |
| 1931 | 56 | Plymouth PA | |||
| 1931 | 48 | Dodge UF-10, U1-B/C | |||
| 1932 | 65 | Plymouth PB | |||
| 1932 | 48 | Dodge E, UF-10, U1-B/C | |||
| 1933 | 48 | Dodge UF10, UG20/21 | |||
| 146 cu in (2,388 cc) | 1931 | n/a | Plymouth PA (export model, 89 built)[1] | 3 1⁄8 in (79.4 mm) | |
| 144 cu in (2,364 cc) | 1932 | n/a | Plymouth PB (export model, 58 built)[1] | 3 7⁄64 in (79.0 mm) |
Straight-6
The 218-cubic-inch flathead six as used in a 1951 Plymouth Cranbrook
There were essentially two lines of flathead inline-sixes made by the Chrysler Corporation. Chrysler and DeSoto used a longer 25 in (640 mm) block with greater cylinder spacing, while Dodge and Plymouth shared a 23 in (580 mm) block. There is one exception to this: when Chrysler established an engine foundry in Windsor, Canada in 1938, it was decided to only use the long block for all Canadian-built engines. These engines received a trailing "C" in their designation, becoming P8C for example. Thanks to judicious dimensioning, the Canadian 201- and 218-cubic inch engines had nearly identical displacement to their American cousins.[2]
Beginning in 1938, the 201 cu in (3,299 cc) inline-six was used in Massey Harris's Model 101 (later known as the 101 Super). It continued to be used by Massey until 1940, when it was supplanted by the 218 cu in (3,568 cc).[3] In 1940, Chrysler's 242 cu in (3,966 cc) straight six went into Massey's 201 Super, which lasted until 1942.[3]
The last automotive use of the Chrysler flathead inline-six was in 1960. It was replaced by the much more efficient OHV slant-6 the following year, which appeared in most Dodge trucks starting in 1961. The flathead remained in production until the early 1970s for industrial and agricultural use.
| Displacement | Years | Horsepower | Applications | Bore | Stroke |
|---|---|---|---|---|---|
| 201 cu in (3,301 cc) | 1924-1925 | 68 | Chrysler B-70 Six | 3 in (76.2 mm) | 4 3⁄4 in (120.7 mm) |
| 289 cu in (4,730 cc) | 1926 | 92 | Chrysler Series E-80 | 3 1⁄2 in (88.9 mm) | 5 in (127.0 mm) |
| 1927-1928 | 92 | Chrysler Series 80 | |||
| 219 cu in (3,582 cc) | 1926 | 68 | Chrysler Model G-70 | 3 1⁄8 in (79.4 mm) | 4 3⁄4 in (120.7 mm) |
| 1927 | 68 | Chrysler Series 70 | |||
| 1930 | 75 | Chrysler Series 70 (early) | |||
| 1930 | 68 | Chrysler Series 66 (late) | |||
| 1931 | 68 | Chrysler Series 66 | |||
| 180 cu in (2,954 cc) | 1927 | 54 | Chrysler Series 60 | 3 in (76.2 mm) | 4 1⁄4 in (108.0 mm) |
| 1928 | 54 (std.) 60 (opt.) | Chrysler Series 62 | |||
| 175 cu in (2,867 cc) | 1929 | 55 | DeSoto Series K | 4 1⁄8 in (104.8 mm) | |
| 1930 | 57 | DeSoto Series K | |||
| 1932 | n/a | Chrysler Richmond (CIX; UK only) | |||
| 1933 | n/a | Chrysler Richmond (COX; UK only) | |||
| 190 cu in (3,111 cc) | 1930-1932 | 61 | Dodge Series DD | 3 1⁄8 in (79.4 mm) | |
| 1933 | 70 | Dodge Series DQ (CDN/export) | |||
| 1930-1931 | 60 | DeSoto Series CK | |||
| 1933 | 70 (std.) 76 (opt.) | Plymouth PC/PCXX/PD | |||
| 161 cu in (2,633 cc) | 1930 | n/a | DeSoto Series CK (UK) | 2 7⁄8 in (73.0 mm) | |
| 1930 | n/a | Dodge Series DD (UK)[4] | |||
| 1931-1932 | n/a | DeSoto Series SAX (export, late cars sold as "Chrysler Light Six")[5] | |||
| 1933 | n/a | Plymouth PC/PD/Chrysler Kew/Wimbledon (export models, 651 built)[6] | |||
| 196 cu in (3,205 cc) | 1929 | 65 (std.) 72 (opt.) | Chrysler Series 65 | 3 1⁄8 in (79.4 mm) | 4 1⁄4 in (108.0 mm) |
| 1930 | 62 | Chrysler Series 66 (until Feb. 1930, longer in UK) | |||
| 1930-1931 | 62 | Chrysler Series CJ | |||
| 201 cu in (3,299 cc) | 1939 | n/a | Plymouth P7/P8 (Canada, possibly even some 1938s) | 3 3⁄8 in (85.7 mm) | 3 3⁄4 in (95.3 mm) |
| 1939 | n/a | Dodge Series D12/D13 (Canada-made) | |||
| 201 cu in (3,299 cc) | 1933 | 75 (std.) 81 (opt.) | Dodge Series DP | 3 1⁄8 in (79.4 mm) | 4 3⁄8 in (111.1 mm) |
| 1934 | 77 | Dodge Series DT (CDN/export) | |||
| 77 (std.) 82 (opt.) | Plymouth PE/PF/PFXX/PG Chrysler Wimbledon (UK) | ||||
| 1935 | 82 | Dodge Series DV/DV-6 (CDN/export) | |||
| Plymouth Model PJ Chrysler Wimbledon (UK) | |||||
| 1936 | 82 | Dodge Series D-3/D-4 (CDN/export) | |||
| Plymouth P1/P2 Chrysler Wimbledon (UK) | |||||
| 1937 | 82 | Dodge Series D6/D7 (CDN/export) | |||
| 82 (std.) 65 (Economy) | Plymouth P3/P4 Chrysler Kew/Wimbledon (UK) | ||||
| 70 | Plymouth PT50 (commercials) | ||||
| 1938 | 82 | Dodge Series D9/D10 (CDN/export) | |||
| 82 (std.) 65 (Economy) 86 (opt.) | Plymouth P5/P6 Chrysler Kew/Wimbledon (UK) | ||||
| 70 | Plymouth PT57 (commercials) | ||||
| 1939 | 82 | Dodge Series D12/D13 (export) | |||
| 82 (std.) 86 (opt.) | Plymouth P7/P8 Chrysler Kew/Wimbledon (UK) | ||||
| 70 | Plymouth PT81 (commercials) | ||||
| 1940 | 84 (std.) 87 (opt.) | Plymouth P9/P10 | |||
| 79 | Plymouth PT105 (commercials) | ||||
| 1941 | 87 (std.) 92 (opt.) | Plymouth P11/P12 | |||
| 82 | Plymouth PT125 (commercials) | ||||
| 170 cu in (2,793 cc) | 1931 | n/a | Dodge Series DH (UK)[4] | 2 7⁄8 in (73.0 mm) | |
| 1931-1932 | n/a | Chrysler CMX (UK, from Aug. 1931) | |||
| 1932-1933 | n/a | DeSoto SCX/Chrysler Mortlake (UK) | |||
| 1933 | n/a | DeSoto SDX/Chrysler Wimbledon (UK) | |||
| 1933 | n/a | Dodge Series DP Victory (UK) | |||
| 1934 | n/a | Dodge Series DR Victory (UK) | |||
| 1934 | n/a | Plymouth PE/PF (export models)[7] Chrysler Kew/Wimbledon (UK) | |||
| 1935 | n/a | Dodge Series DU Victory (UK) | |||
| 1935 | n/a | Plymouth PJ (export models, 754 built) Chrysler Kew (UK) | |||
| 1936 | n/a | Dodge Series D-2 Victory (UK) | |||
| 1936 | n/a | Plymouth P1/P2 (export models, 661 built plus 35 Dodge D-3/D-4) Chrysler Kew (UK) | |||
| 1937 | n/a | Plymouth P3/P4 (export models, 657 built plus 39 Dodge D6/D7) Chrysler Kew (UK) | |||
| 1938 | n/a | Plymouth P5/P6 (export models, plus 81 Dodge D9) Chrysler Kew (UK) | |||
| 1939 | n/a | Plymouth P7/P8 (export models, 273 built plus 38 Dodge D12 and some DeSoto-badged P8s) Chrysler Kew (UK) | |||
| 1940 | 70 | Plymouth P9 (export models, one built) | |||
| 205 cu in (3,365 cc) | 1931-1932 | 67 | DeSoto Series SA | 3 1⁄4 in (82.6 mm) | 4 1⁄8 in (104.8 mm) |
| 208 cu in (3,409 cc) | 1928 | 58 | Dodge Standard Six (140/141/J) | 3 3⁄8 in (85.7 mm) | 3 7⁄8 in (98.4 mm) |
| 1929-1930 | 63 | Dodge Series DA | |||
| 212 cu in (3,467 cc) | 1931 | 68 | Dodge Series DH | 3 1⁄4 in (82.6 mm) | 4 1⁄4 in (108.0 mm) |
| 1932 | 74 | Dodge Series DH | |||
| 218 cu in (3,568 cc) | 1931 | 78 | Chrysler Series CM-6 | 4 3⁄8 in (111.1 mm) | |
| 1932 | 78 | Chrysler Series CM-6 | |||
| 1932 | 75 | DeSoto Series SC | |||
| 1932 | 79 | Dodge Series DL | |||
| 1933 | 82 | DeSoto S-All | |||
| 1934 | 82 | Dodge Series DR/DRXX | |||
| 87 | Dodge Series DR (opt.)/DS (std.) | ||||
| 1935 | 87 | Dodge Series DU | |||
| 1936 | 87 | Dodge Series D-2 | |||
| 1937 | 87 | Dodge Series D-5 | |||
| 1938 | 87 | Dodge Series D8 | |||
| 1939 | 87 | Dodge Series D11 | |||
| 1940 | 87 | Dodge Series D14/D17 Dodge Series D15 (US-made for export) | |||
| 1941 | 91 | Dodge Series D19 Dodge Series D20 (US-made for export) | |||
| 1942 | 95 | Plymouth S-All | |||
| 1942 | 95 | Dodge Series D23 (US-made for export) | |||
| 1946-1949 | 95 | Plymouth S-All | |||
| 1949 | 97 | Plymouth S-All | |||
| 1950 | 97 | Plymouth S-All | |||
| 1951 | 97 | Plymouth S-All | |||
| 1952 | 97 | Plymouth S-All | |||
| 1953 | 100 | Plymouth S-All | |||
| 1954 | 100 | Plymouth S-All (Early) | |||
| 218 cu in (3,573 cc) | 1940 | 84.25 | Dodge Series D14/D15 (Canada-made) | 3 3⁄8 in (85.7 mm) | 4 1⁄16 in (103.2 mm) |
| 1940 | n/a | Plymouth P9/P10 (Canada-made) | |||
| 1941 | 88 | Dodge Series D20/D21 (Canada-made) | |||
| 1941 | 88 | Plymouth P11/P12 (Canada-made) | |||
| 1942 | 95 | Dodge Series D23 (Canada-made) | |||
| 1942 | 88 | Plymouth P14 (Canada-made) | |||
| 224 cu in (3,671 cc) | 1928 | 60 | Dodge Senior Six (Series 2249) | 3 1⁄4 in (82.6 mm) | 4 1⁄2 in (114.3 mm) |
| 1928 | 68 | Dodge Senior Six (Series 2251/2252) | |||
| 1932 | 82 | Chrysler Series CI Chrysler Kingston (UK) | |||
| 1933 | 83 (std.) 89 (opt.) | Chrysler Series CO Chrysler Kingston (UK) | |||
| 228 cu in (3,738 cc) | 1937 | 93 | DeSoto Series S-3 Chrysler Richmond (UK; 1937-1938) | 3 3⁄8 in (85.7 mm) | 4 1⁄4 in (108.0 mm) |
| 1937 | 93 (std.) 100 (opt.) | Chrysler Series C-16 | |||
| 1938 | 93 (std.) 100 (opt.) | DeSoto Series S-5 | |||
| 1939 | DeSoto Series S-6 | ||||
| 1940 | 100 (std.) 105 (opt.) | DeSoto Series S-7 | |||
| 1941 | 100 105 110 | DeSoto Series S-8 DeLuxe DeSoto Series S-8 Custom DeSoto Series S-8 (optional) | |||
| 230 cu in (3,772 cc) | 1942 | 105 | Dodge Series D22 | 3 1⁄4 in (82.6 mm) | 4 5⁄8 in (117.5 mm) |
| 1946-1949 | 102 | Dodge S-All | |||
| 1949 | 103 | Dodge S-All | |||
| 1950 | 103 | Dodge S-All | |||
| 1951 | 103 | Dodge S-All | |||
| 1952 | 103 | Dodge S-All | |||
| 1953 | 103 | Dodge S-D-46, D-47 | |||
| 1954 | 110 | Plymouth S-All (Late) | |||
| 1954 | 110 | Dodge S-All I-6 | |||
| 1955 | 117 | Plymouth S-All I-6 | |||
| 1955 | 123 | Dodge S-Coronet I-6 | |||
| 1956 | 125 | Plymouth S-all exc Fury, Belvedere cvt | |||
| 1956 | 131 | Plymouth O-all exc Fury, Belvedere cvt | |||
| 1956 | 131 | Dodge S-Coronet I-6 | |||
| 1957 | 132 | Plymouth S-All exc Fury, Belvedere, cvt | |||
| 1957 | 138 | Dodge S-Coronet I-6 | |||
| 1958 | 132 | Plymouth S-All exc Fury, Belvedere cvt | |||
| 1958 | 138 | Dodge S-Coronet I-6 | |||
| 1959 | 132 | Plymouth S-Savoy, Belvedere, Suburban exc. Custom 9P, Fury, Sport Fury | |||
| 1959 | 138 | Dodge S-Coronet I-6 | |||
| 237 cu in (3,878 cc) | 1942 | 115 | DeSoto Series S-10 | 3 7⁄16 in (87.3 mm) | 4 1⁄4 in (108.0 mm) |
| 1946-1949 | 109 | DeSoto S-All | |||
| 1949 | 112 | DeSoto S-All | |||
| 1950 | 112 | DeSoto S-All | |||
| 242 cu in (3,958 cc) | 1929 | 78 | Dodge Series S | 3 3⁄8 in (85.7 mm) | 4 1⁄2 in (114.3 mm) |
| 1930 | 78 | Dodge Series DB | |||
| 1934 | 100 | DeSoto Series SE (aka Chrysler CY/Croydon, until 1936 in UK) | |||
| 1934 | 93 (std.) 100 (opt.) | Chrysler Series CA/CB | |||
| 1935 | 93 | DeSoto Series SF | |||
| 100 | DeSoto Series SG | ||||
| 1935 | 100 | Chrysler O-C-6 | |||
| 1935 | 93 | Chrysler S-C-6 | |||
| 1936 | 93 | DeSoto Airstream Series S-1 | |||
| 100 | DeSoto Airflow Series S-2 | ||||
| 1936 | 93 (std.) 100 (opt.) | Chrysler Series C-7 | |||
| 1938 | 95 (std.) 102 (opt.) | Chrysler Series C-18 | |||
| 1939 | 100 (std.) 107 (opt.) | Chrysler Series C-22 | |||
| 1940 | 108 (std.) 112 (opt.) | Chrysler Royal/Windsor | |||
| 1941 | 108 112 115 (opt.) | Chrysler Royal Chrysler Windsor Chrysler Royal/Windsor | |||
| 249 cu in (4,078 cc) | 1928 | 75 (std.) 85 (opt.) | Chrysler Series 72 | 3 1⁄4 in (82.6 mm) | 5 in (127.0 mm) |
| 1929 | 75 (std.) 84 (opt.) | Chrysler Series 75 | |||
| 251 cu in (4,106 cc) | 1942 | 120 | Chrysler Royal/Windsor (C-34) | 3 7⁄16 in (87.3 mm) | 4 1⁄2 in (114.3 mm) |
| 1946-1949 | 114 | Chrysler Royal/Windsor (C38) | |||
| 1949 | 116 | Chrysler Royal/Windsor (C45) | |||
| 1950 | 116 | Chrysler Royal/Windsor (C48) | |||
| 1951-1952 | 116 | DeSoto Deluxe/Custom (S15) | |||
| 1951 | 116 | Chrysler Windsor, Deluxe (C51) | |||
| 1953 | 116 | DeSoto Powermaster (S18) | |||
| 1954 | 116 | DeSoto Powermaster (S20) | |||
| 264.5 cu in (4,334 cc) | 1952 | 119 | Chrysler Windsor, Deluxe (C51) | 4 3⁄4 in (120.7 mm) | |
| 1953 | Chrysler Windsor, Deluxe (C60) | ||||
| 1954 | Chrysler Windsor Deluxe (C62) | ||||
| 268 cu in (4,398 cc) | 1930-1932 | 93 | Chrysler Series 70 | 3 3⁄8 in (85.7 mm) | 5 in (127.0 mm) |
| 1930 | Chrysler Series 77 | ||||
| 310 cu in (5,074 cc) | 1928 | 100 (std.) 112 (opt.) | Chrysler Imperial Series 80L | 3 5⁄8 in (92.1 mm) | |
| 1929-1930 | Chrysler Imperial Series L-80 |
Straight-8
The 323.5 cuin straight-eight in a 1937 Chrysler Airflow
| Displacement | Years | Horsepower | Applications | Bore | Stroke |
|---|---|---|---|---|---|
| 208 cu in (3,404 cc) | 1930-1931 | 70 | DeSoto Series CF | 2 7⁄8 in (73.0 mm) | 4 in (101.6 mm) |
| 221 cu in (3,617 cc) | 1930-1932 | 75 | Dodge Series DC (discontinued September 1931) | 4 1⁄4 in (108.0 mm) | |
| 1931-1932 | 77 | DeSoto Series CF | |||
| 240 cu in (3,938 cc) | 1931-1932 | 84 | Dodge Series DG | 3 in (76.2 mm) | |
| 1931 | 80 | Chrysler Series CD (until January 1931) | |||
| 261 cu in (4,273 cc) | 1931 | 88 | Chrysler Series CD (from January 1931) | 3 1⁄8 in (79.4 mm) | |
| 274 cu in (4,486 cc) | 1933 | 90 (std.) 98 (opt.) | Chrysler Series CT | 3 1⁄4 in (82.6 mm) | 4 1⁄8 in (104.8 mm) |
| 1935 | 105 (std.) 110 (opt.) | Chrysler Series CZ | |||
| 1936 | Chrysler Series C-8 | ||||
| 1937 | 110 (std.) 115 (opt.) | Chrysler Series C-14 | |||
| 282 cu in (4,622 cc) | 1931 | 100 | Chrysler DeLuxe CD Series | 4 1⁄4 in (108.0 mm) | |
| 1932 | 100 | Chrysler Series CD | |||
| 1932 | 90 (std.) 100 (opt.) | Dodge Series DK | |||
| 1933 | 100 (std.) 94 (opt.) | Dodge Series DO | |||
| 299 cu in (4,894 cc) | 1932 | 100 | Chrysler Series CP (Chrysler Hurlingham in the UK) | 4 1⁄2 in (114.3 mm) | |
| 1933 | 100 (std.) 108 (opt.) | Chrysler Series CQ | |||
| 1934 | 122 | Chrysler Series CU | |||
| 1938 | 110 (std.) 122 (opt.) | Chrysler Series C-19 Dodge Custom Eight (UK)[8] | |||
| 324 cu in (5,302 cc) | 1934 | 130 | Chrysler Series CV/CX | 4 7⁄8 in (123.8 mm) | |
| 1935 | 115 (std.) 120 (opt.) | Chrysler Series C-1 | |||
| 130 (std.) 138 (opt.) | Chrysler Series C-2/C-3 | ||||
| 1936 | 115 | Chrysler Series C-9 | |||
| 130 | Chrysler Series C-10/C-11 | ||||
| 1937 | 130 (std.) 138 (opt.) | Chrysler Series C-15/C-17 | |||
| 1938 | 130 (std.) 138 (opt.) | Chrysler Series C-20 | |||
| 1939 | 130 | Chrysler Series C-23 | |||
| 132 (std.) 138 (opt.) | Chrysler Series C-24 | ||||
| 1940 | 132 135 143 (opt.) | Chrysler C-27 Chrysler C-26 Chrysler C-26/C-27 | |||
| 1941 | 137 | Chrysler C-30 | |||
| 140 | Chrysler C-30 (opt.)/C-33 | ||||
| 1942 | 140 | Chrysler C-36/C-37 | |||
| 1946-1950 | 135 | Chrysler Saratoga/New Yorker | |||
| 385 cu in (6,306 cc) | 1931-1932 | 125 | Chrysler Series CG | 3 1⁄2 in (88.9 mm) | 5 in (127.0 mm) |
| 1932 | 125 | Chrysler Series CH/CL | |||
| 1933 | 125 (std.) 135 (opt.) | Chrysler Series CL | |||
| 1934-1935 | 150 | Chrysler Series CW |
References
- Lee, John (1990). Standard Catalog of Chrysler, 1924-1990. Iola, WI: Krause Publications, Inc. p. 367. ISBN 0-87341-142-0.
- Lee, p. 375
- Pripps, Robert N. (2001). The big book of Massey tractors. Vancouver: Raincoast Books. ISBN 1-55192-423-4. OCLC 46991918.
- Sedgwick, Michael; Gillies, Mark (1989). A-Z of Cars of the 1930s. Bideford, Devon, UK: Bay View Books. p. 70. ISBN 1-870979-38-9.
- Sedgwick, p. 69
- Lee, p. 368
- Lee, p. 370
- Sedgwick, p. 72
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