Verified specifications
| Horsepower | 3/4 HP (up-rated) |
|---|---|
| Total HP (THP) | 0.75 THP (3/4 HP × 1.00 SF) |
| Service factor | 1.00 |
| Speed | 3450 RPM |
| Voltage | 115/230V, single-phase, 60 Hz |
| Full-load amps | 11.0/5.5A (service-factor amps) |
| Frame | 56J (threaded C-face) |
| Enclosure | Open drip-proof (ODP) |
| Motor type | Capacitor start |
| Rotation | CCWPE (counterclockwise, pump end) |
| Shaft | 5/8" 303 stainless steel, 7/16-20 UNF-2A thread, 2-9/16" extension |
| Bearings | Sealed ball bearings |
| Thermal protection | Automatic |
| Insulation | Class B |
| Ambient | 50°C |
| Length | 10.63" overall |
| Listings | UL 1081 |
Pool-duty motors: match the total HP (HP × service factor) to your pump's requirements, and confirm full-rated vs up-rated before swapping.
Dual branding: this stock number is sold interchangeably as Century and A.O. Smith — the same Regal Rexnord motor. See the A.O. Smith UST1072 page.
Confirming the right replacement
Before we quote, compare these fields on your failed motor's nameplate. If any of them differ, send us a photo of the nameplate and we'll match it exactly rather than guessing:
- Full model number — including any suffix letters
- HP, RPM, and voltage
- Frame size (e.g. 284T) and enclosure (TEFC, ODP, etc.)
- Full-load amps
Other Century models
- More Century modelsBrowse every Century model page we quote
- A.O. Smith UST1072Same stock number under A.O. Smith branding — identical motor
Need a Century UST1072?
Send the nameplate off your failed unit. We'll confirm the match and quote the UST1072 or a verified equivalent with availability and lead time.
Quote this motor