Yancheng Slong Machinery & Electric Co., Ltd. is one of the leading manufacturers and suppliers of natural gas emergency backup generator for home in China. With abundant experience, we warmly welcome you to wholesale durable products in stock here and get quotation from our factory. All customized products are with high quality and low price.


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Key Features & Benefits:
✔ Automatic Power Backup – Starts within seconds of a power failure for seamless transition
✔ Clean & Efficient – Runs on natural gas, producing fewer emissions than diesel or gasoline
✔ Low Maintenance – Fewer moving parts ensure longer lifespan and reduced servicing costs
✔ Quiet Operation – Advanced noise reduction technology keeps decibel levels low (65-70 dB)
✔ Cost-Effective – Natural gas is cheaper & more stable than other fuel options
✔ Whole-House Coverage – Available in 7kW to 22kW models to match your power needs
| Model | SL-JK5 | SL-JK8 | SL-JK8 | SL-JK12 | SL-JK17 | SL-JK18 |
| Fuel Type | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline |
| Frequency (hz) | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 |
| Voltage (v) | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 |
| Gasoline(kw) | 5.0 / 5.5 | 6.0 / 6.5 | 8.0 / 8.5 | 12.0 /13.0 | 15.0 / 17.0 | 18.0 / 20.0 |
| LPG (kw) | 4.5 / 4.95 | 5.4 / 5.85 | 7.2 / 7.7 | 11.0 / 12.0 | 15.3 / 16.2 | 16.2 / 18.0 |
| NG (kw) | 4.0 / 4.4 | 4.8 / 5.2 | 6.5 / 7.0 | 10.0 / 11.0 | 12.0 / 13.6 | 14.4 / 16.0 |
| Power factor cos¢ | 1.0 | 1.0 | 1.0 | 1.0 | 0.8 | 0.8 |
| Fuel tank capacity (L) | / | / | / | / | / | / |
| LPG consumption at 75% load (kg/h) | 4.53 | 1.58 | 2.14 | 3.34 | 3.76 | 3.76 |
| NG consumption at 75% load (m3/h) | 1.79 | 1.84 | 2.02 | 5.12 | 6.18 | 6.18 |
| Fuel Tank | 25 L | 25 L | 25 L | 50 L | 50 L | 50 L |
| Noise level at 7m dB(A) | 69 | 69 | 69 | 69 | 69 | 69 |
| Starting system | Electric Start | Electric Start | Electric Start | Electric- start | Electric- start | Electric- start |
| Engine Model | SL390 | SL420 | SL460 | GB750 | GB1000 | GB1000 |
| Displacement (cc) | 389 | 420 | 459 | 750 | 999 | 999 |
| Packing size (mm) | 1000 × 570 × 790 | 1000 × 570 × 790 | 1000 × 570 × 790 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 |
| Net / Gross weight (kg) | 169 / 180 | 169 / 180 | 169 / 180 | 310 / 335 | 327 / 352 | 327 / 352 |
| 20'ft / 40'hq | 66/ 138 | 66/ 138 | 66/ 138 | 24 / 54 | 24 / 54 | 24 / 54 |
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