Wisconsin Robin Engines
(Source: Some of the data is from “Wisconsin Engines Service Manual”)
Listed are the Wisconsin Engines Models from 1.5 to 16.8 horsepower
Listed are the Wisconsin Engines Models from 2.3 to 65.9 horsepower. Note: The horsepower (HP) and KW output at given RPM for these engines are not listed, e.g. 2200 hp/kw 36 hp/kw.
| Engine Basic Model | Cylinders | Bore (in./mm) | Stroke (in./mm) | Displacement | *1500 (Hp/Kw) | 1800 (Hp/Kw) | Max. Torque (in. lbs. & RPM) |
|---|---|---|---|---|---|---|---|
| WI-145 | 1 | 2.48/63 | 1.81/46 | 8.73/43 | 1.5/1.1 | 1.7/1.3 | 59.5@3600 |
| WI-145V | 1 | 8.73/143 | 1.6/1.2 | 1.8/1.3 | 2.0/1.5 | 2.3/1.7 | |
| EY18-3M | 1 | 11.14/182/79 | 2.0/1.5 | 2.3/1.7 | 2.6/2.8 | 2.9/2.2 | |
| WI-185 | 1 | 11.14/182/7.6 | 2.3/1.7 | 2.5/1.9 | 2.9/2.2 | 3.2/2.4 | |
| EY25W | 1 | 15.40/252 | 3.0/2.2 | 3.4/2.5 | 3.8/2.8 | 4.6/3.1 | |
| EY27W | 1 | 16.26/266 | 3.5/2.6 | 4.0/3.0 | 4.4/3.3 | 4.9/3.7 | |
| WI-340 | 1 | 20.4/344 | 4.3/3.2 | 5.0/3.7 | 5.6/4.2 | 6,2/4.8 | |
| EY44W | 1 | 2.6.4/433 | 6.0/4.5 | 6.8/5.1 | 7.5/5.6 | 8.1/6.0 | |
| WI-390 | 1 | 23.7/388 | 5.1/3.8 | 6.0/4.5 | 6.8/5.1 | 7.5/5.6 | |
| EY21W | 1 | 37.74/618 | 8.2/6.1 | 9.5/7.1 | 10.3/7.7 | 11.6/8.7 |