| Cast Iron Housing |
| UEM1021 | 2W | 115 V AC | Yes | 5109 | CW |
| UEM1025 | 2.5W | 115 V AC | Yes | 5111 | CW |
| UEM1041 | 4W | 115 V AC | Yes | 5211 | CW |
| UEM1042 | 4W | 115 V AC | Yes | 5212 | CCW |
| UEM1061 | 6W | 115 V AC | Yes | 5311 | CW |
| UEM1062 | 6W | 115 V AC | Yes | 5312 | CCW |
| UEM1091 | 9W | 115 V AC | Yes | 5411 | CW |
| UEM1092 | 9W | 115 V AC | Yes | 5412 | CCW |
| UEM1161 | 16W | 115 V AC | Yes | 581 | CW |
| UEM2091 | 9W | 230 V AC | Yes | 5421 | CW |
| UEM2092 | 9W | 230 V AC | Yes | 5422 | CCW |
| UEM2161 | 16W | 230 V AC | Yes | 5821 | CW |
| Each cast iron motor furnished with hub washer, speed nut, neoprene silencer / vibration damper and 3 mounting screws. |
| Aluminum Housing |
| UEM1021AL | 2W | 115 V AC | Yes | 5109 | CW |
| UEM1041AL | 4W | 115 V AC | Yes | 5213 | CW |
| UEM1042AL | 4W | 115 V AC | Yes | 5214 | CCW |
| UEM1061AL | 6W | 115 V AC | Yes | 5313 | CW |
| UEM1091AL | 9W | 115 V AC | Yes | 5313 | CW |
| UEM1092AL | 9W | 115 V AC | Yes | 5314 | CCW |
| Cast Iron Motors | A | B | C | D | E | F | G |
| 2W | 3.275 | 2.920 | 1.250 | | 2.5 | | |
| 2.5 & 4W | 3.245 | 2.895 | 1.350 | 1.395 | 2.5 | 1.125 | 0.625 |
| 6 & 9W | 3.775 | 3.410 | 1.865 | 1.810 | 2.5 | 1.125 | 0.625 |
| 16W | 4.030 | 3.6655 | 1.862 | 2.09 | 2.5 | 1.125 | 0.625 |
| Aluminum Motors | A | B | C | D | E | F | G | H |
| 2W | | | | | 2.5 | | | |
| 2.5 & 4W | 3.250 | 2.875 | 2.5 | 1.225 | 2.4 | 1.1225 | 0.625 | 1.4 |
| 6 & 9W | 3.525 | 3.150 | 2.80 | 1.475 | 2.4 | 1.125 | 0.625 | 1.4 |
