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| Model | XH-LK-A | XH-LK-B |
| matching machine | Kaigouj1 | Kaigouj1 |
| matching power | 50-90HP | 80-180 |
| power output shaft speed | 700-860r/min | 700-860r/min |
| common working gear | crawl gear(medium to high throttle 4-6m/minute | crawl gear(medium to high throttle 4-6m/minute |
| structural form | chain type | chain type |
| Connection Mode | hanging type | hanging type |
| contour dimension | 250130x95cm | 250130x95 |
| ditching tool | Manganese steel blade | Manganese steel blade |
| number of ditching tools | 52 | 52 |
| Model of ditching tools | 60type | 60type |
| chain number | 52 | 52 |
| Trench width | 12cm | 12-30 |
| Trench depth | 130cm-150cm | 130cm-150cm |
| net work-hour productivity | 300-500m/h | 300-500m/h |
Large Chain Trencher and Back Filling Grooving Machine