Some late Twin City block's are also listed
I'm getting these numbers put together please check this over for mistakes or blocks that are not listed.
Jeremy Fiorelli
| block casting # | remarks | cylinder bore | block height | Engine | Engine Type |
| RE 101A | Horizontal valve engines | 3 5/8 | EE, RE, and early 206 and 206V4 | spark ignition | |
| 10A1462 | |||||
| 10A9188 | Late series engine | 3 5/8 | 165, late 206? | spark ignition | |
| ? | 3 5/8 | D206 | Diesel | ||
| ? | 3 3/4 | 220 | spark ignition | ||
| 10A13662 | 3 3/4 | 220M military | spark ignition | ||
| ? | D236 | Diesel | |||
| KE 188 | Solid Block | 4 1/4 | KE, KEA, KEC, KED, KEF, | spark ignition | |
| CE 101 | Split block | 4 1/4 | 283, 425 | spark ignition | |
| 10A149 | |||||
| 10A149A | |||||
| 10A21830 | |||||
| 10A3006 | 4 1/4 | D283, D425 | Diesel | ||
| 10A24286 | 4 3/8 | 451D | Diesel | ||
| 10A15154 | 4 5/8 | 336, 504 | spark ignition | ||
| 10A22196 | |||||
| 10A10248 | 4 5/8 | 336D,504D | Diesel | ||
| 10A2800 | 4 1/4 | 340 | spark ignition | ||
| FE224 | early style | 4 1/2 | 383 | spark ignition | |
| GE 1 | early style | 4 5/8 | 403, 605, 1210 | spark ignition | |
|
HE 101 |
early style | ||||
| 10A150A | |||||
| 10A22375 | |||||
| ? | 4 3/4 | D585 | Diesel | ||
| 10A4162 | 5.319 | 800 | spark ignition | ||
| 10A4162B | |||||
| ? | 5.319 | HD800 | spark ignition | ||
| ? | 5 3/8 | 816M Military | spark ignition |
| Engine | cylinder bore | block height |
| EE, RE early 206, and 206V4 | 3 5/8 | |
| 165 late 206 | 3 5/8 | |
| D206 Diesel | 3 5/8 | |
| 220 | 3 3/4 | |
| 220M Military | 3 3/4 | |
| D236 Diesel | ? | |
| KE, KEA, KEC, KED, KEF | 4 1/4 solid block | |
| 283, 425 | 4 1/4 | |
| D283, D425 Diesel | 4 1/4 | |
| D451 Diesel | 4 3/8 | |
| 336, 504 | 4 5/8 | |
| 336D,504D | 4 5/8 | |
| 340 | 4 1/4 | |
| 383 | 4 1/2 | |
| 403 , 605, 1210 | 4 5/8 | |
| 605D Diesel | 4 5/8 | |
| D 585 Diesel | 4 3/4 | |
| 800 | 5.319 | |
| HD800 | 5.319 | |
| 816 Military | 5 3/8 |