| Displacement | Code | Mounting flange | Code | Driving shaft | Code | Ports | Code | Rotation | Code | Paint | Code | Unusually function | Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8(0.5) | 8 | Circle Flange | B5 | 5/8" dia stright | SS | 9/16-18 SAE | GA | Standard | A | No paint | A | Standard | A |
| 12.5(0.76) | 12.5 | SAE 2-Bolt | AD | SAE 9 tooth | RK | Opposite | R | Blue | B | Big radial force | N | ||
| 20(1.21) | 20 | Black | C | No case drain | D | ||||||||
| 32(1.93) | 32 | Silver grey | S | Free running | F | ||||||||
| 40(2.43) | 40 | Low speed | L | ||||||||||
| 50(3.07) | 50 | High temperature | V | ||||||||||
| Low temperature | S |