| Part Number | GM-4A |
| Type | GENEVA MECHANISM |
| Shaft Size | 1/4 TO 1/4 |
| Max. Output Torque | 240 |
| Rotation of Output Shaft per Each 180 Rev of Input | 45 |
| Rotation of Output Shaft per Each 180 Rev of Input | 45 |
| Points on Driven | 8 |
| No. Rollers on Driver | TWO |
| Outside Diameter of Driver A | 2 |
| Outside Diameter of Driven B | 4.0830000000000002 |
| Center Distance of Driver to Driven C | 2.2056 |
| Catalog Page Number | C18| Download Catalog Page |