Tecumesh 4-Cycle Engines
(SOURCE: Some of the data is from “Small Engines Service Manual”)
During the 1950s the Tecumseh Products Company purchase the Lauson and Power Products engines. Listed below are the various models of the Tecumseh engines and some data regarding them.
Light Frame Models
| Reference Code | Bore | Stroke | Diameter Cu. In. | Horse Power | Model |
|---|---|---|---|---|---|
| A | 2 1/8″ | 1 3/4″ | 6.207 | 1.7 | |
| A | 2 1/8″ | 1 3/4″ | 6.207 | 2.0 | |
| A | 2 1/8″ | 1 3/4″ | 6.207 | 2.25 | |
| B | 2 5/16″ | 1 3/4″ | 7.35 | 2.25 | |
| B | 2 5/16″ | 1 3/4″ | 7.35 | 2.5 | |
| C | 2 5/16″ | 1 13/16″ | 7.61 | 3.0 | |
| D | 2 5/16″ | 1 27/32″ | 7.5 | 2.25 | |
| D | 2 5/16″ | 1 27/32″ | 7.5 | 2.5 | |
| D | 2 5/16″ | 1 27/32″ | 7.5 | 3.0 | |
| E | 2 1/2″ | 1 13/16″ | 8.9 | 3.2 | |
| E | 2 1/2″ | 1 13/16″ | 8.9 | 3.5 | |
| F | 2 1/2″ | 1 27/32″ | 9.06 | 3.5 | ECH90 |
| G | 2 5/8″ | 1 27/32″ | 10.0 | ECV100 | |
| H | 2 5/8″ | 1 15/16″ | 10.5 | 4.0 | ECV105 |
| I | 2 3/4″ | 1 15/16″ | 11.0 | ECV110 | |
| J | 213/16″ | 1 15/16″ | 12.0 | 5.0 | ECV120 |
Medium Frame Models
| Reference Code | Bore | Stroke | Diameter Cu. In. | Horse Power |
|---|---|---|---|---|
| K | 21/2″ | 2 1/4″ | 11.04 | 4.0 |
| K | 21/2″ | 2 1/4″ | 11.04 | 4.5 |
| L | 2 5/8″ | 2 1/4″ | 12.176 | 4.5 |
| L | 2 5/8″ | 2 1/4″ | 12.176 | 5.0 |
| L | 2 5/8″ | 2 1/4″ | 12.176 | 5.5 |
| M | 2 5/8″ | 2 1/2″ | 13.53 | 4.5 |
| M | 2 5/8″ | 2 1/2″ | 13.53 | 5.5 |
| M | 2 5/8″ | 2 1/2″ | 13.53 | 6.0 |
