| Model | 4U-60 | 4U-70 | 4U-90 | 4U-130 |
| Row number | Single row | Double rows | ||
| Row spacing(cm) | 55-80cm | 55-80cm | 90cm | 55-80cm |
| Productivity(mu/h) | 3-5mu/h | 3-5mu/h | 8mu/h | 5-8mu/h |
| G.W.(kg) | 180kg | 210kg | 300kg | 360kg |
| Matching power(hp) | 20-35HP | 20-35HP | 35HP | 50-75HP |
| Working depth(cm) | 25 | 20-25 | 20-25 | 20-25 |
| Working width(m) | 0.65 | 0.7 | 0.9 | 1.3 |
| PTO input speed(rpm) | 560 | 560 | 560 | 560 |
1.Our potato digger is mainly used for reaping potato, sweet potato, peanut, onions, garlic, Chinese yam, taro and other underground rhizome crops.
2. 3 point linkage, Cat I type
3. Connect the harvester to tractor by PTO cardan
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