Power range : 12KW- 500KW
Shanghai Diesel Engine Co.,Ltd established on April, 1947. The company had designed the Chinese 6135 series diesel.
SDEC have 3 series namely : D114、C121、135（G128） diesel. The power range covers from 60-750 hp.
The series have been produced by the Shanghai Diesel Engine Co. The industrial-use water cooled diesel. The control panel ‘s working voltage is 12-24V DC. Using the rotational diesel, oil filter, dry air filter, compact design, big power, reliability performance.
Technical parameters
| Generator model | Standby output (KW/KVA) | Prime output (KW/KVA) | Engine Model | Alternator model | Technical Data |
| GF-S12 | 12/15 | 10.8/13.5 | 295AD | TFW-12 |  |
| GF-S15 | 15/19 | 14/17 | 395AD | TFW-15 | |
| 20/25 | 15/19 | 495AD-13 | | ||
| GF-S20 | 20/25 | 18/232.5 | 3100AD | TFW-20 | |
| 22/28 | 20/25 | 495AD-13 | | ||
| GF-S24 | 24/30 | 21.6/27 | 495AD | TFW-24 | |
| 495AD-13 | | ||||
| GF-S30 | 30/37.5 | 27/343.75 | 495AZD | TFW-27 | |
| 33/41 | 30/38 | TFW-30 | |||
| GF-S40 | 40/50 | 36/45 | SNH4100ZD | TFW-40 | |
| 45/56 | 40/50 | 4135D-1 | | ||
| GF-S50 | 55/69 | 50/63 | 4135D-1 | TFW-50 | |
| GF-S75 | 82/103 | 75/94 | 6135D-3 | TFW-75 | |
| GF-S150 | 150/1887.5 | 135/168.75 | 6135AZD-1 | TFW-150 | |
| GF-S180 | 200/250 | 180/225 | G128ZLD | TFW-180 | |
| GF-S200 | 220/275 | 200/250 | G128ZLD2 | TFW-200 | |
| GF-S250 | 275/343.75 | 250/312.5 | G128ZLD11 | TFW-250 | |
| GF-S300 | 300/375 | 280/350 | 12V135AZD | TFW-300 | |
| GF-S350 | 350/437.5 | 320/400 | 12V135AZLD | TFW-350 | |
| GF-S400 | 400/500 | 360/450 | 12V135BZLD | TFW-400 | |
| GF-S450 | 450/562.5 | 400/500 | 12V135BZLD2 | TFW-450 | |
| GF-S500 | 500/625 | 450/562.5 | 12V135BZLD1 | TFW-500 | |
