60Hz Models
| Model No. | Engine | Alternator | Prime (KW) | Prime (KVA) | Standy (KW) | Standby (KVA) |
|---|---|---|---|---|---|---|
| SRK-33 | 495D | S184G28E11 | 26 | 33 | 28 | 35 |
| SRK-38 | K4100D | S184G30E12 | 30 | 38 | 33 | 42 |
| SRK-40 | K4102D | S224G40B3 | 32 | 40 | 35 | 44 |
| SRK-44 | 495ZD | S224G45B4 | 35 | 44 | 39 | 48 |
| SRK-50 | K4100ZD | S224G50C5 | 40 | 50 | 44 | 55 |
| SRK-50 | R4105D | S224G50C5 | 40 | 50 | 44 | 55 |
| SRK-56 | K4102ZD | S224G54C8 | 45 | 56 | 50 | 62 |
| SRK-63 | R4105ZD | S224G64D8 | 50 | 63 | 55 | 69 |
| SRK-70 | R6105D | S224G75D10 | 56 | 70 | 62 | 77 |
| SRK-75 | R4105AZLD | S224G75D10 | 60 | 75 | 66 | 83 |
| SRK-100 | R6105ZD | S274G100B3 | 80 | 100 | 88 | 110 |
| SRK-125 | R6105AZLD | S274G128C6 | 100 | 125 | 110 | 138 |
| SRK-156 | R6105IZLD | S274G160D9 | 125 | 156 | 138 | 172 |
| SRK-187 | R6110ZLD | S274G200E11 | 150 | 187 | 165 | 206 |
| SRK-200 | R6113AZLD | S274G200E11 | 160 | 200 | 176 | 220 |
| SRK-225 | R6126ZD | S314G240D3 | 180 | 225 | 198 | 248 |
| SRK-250 | R6126ZD | S314G250D4 | 200 | 250 | 220 | 275 |
| SRK-288 | R6126AZLD | S314G300D7 | 230 | 288 | 253 | 316 |
| SRK-313 | R6126IZLD | S314G320E8 | 250 | 313 | 275 | 344 |
| SRK-344 | R6126IZLD | S314G360E9 | 275 | 344 | 303 | 378 |