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| Characteristic | KL1000L | KL1200L | ||
| 1.1 | Supply | Electric | Electric | |
| 1.2 | Operating type | Tow tugs | Tow tugs | |
| 1.3 | Max traction weight (kg) | 10000 | 12000 | |
| 1.4 | Rated pulling force (N) | 4000 | 5000 | |
| Weight | ||||
| 2.1 | Truck weight (with battery) (kg) | 780 | 820 | |
| 2.2 | Battery weight (kg) | 206 | 400 | |
| Dimensions | ||||
| 4.1 | Overall height (mm) | 1225 | 1225 | |
| 4.4 | Overall length (mm) | 1705 | 1705 | |
| 4.5 | Overall width (mm) | 870 | 870 | |
| 4.7 | Turning radius (mm) | 1370 | 1370 | |
| Performance | ||||
| 5.1 | Drive speed load/unload (km/h) | 2~3 | 2~3 | |
| 5.4 | Max gradeability load/unload (%) | 3/6 | 3/6 | |
| Motor & Others | ||||
| 6.1 | Drive motor rating (V/kw) | 48/3.0 | 48/3.5 | |
| 6.3 | Battery voltage/capacity (V/Ah) | 48/157 | 48/210 | |
| 7.2 | Steering type | Mechanics | Mechanics | |
| 7.3 | Noise level (dB(A)) | <70 | <70 | |