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The 4UL-170D traction type of potato combine harvester is a high-efficiency machine designed for professional agriculture. It realizes disposable potato digging, soil separation, haulm separation, artificial pick-up cleaning, centralized collection, transportation, and ton-bag packaging in a single operation.
Capable of harvesting two ridges simultaneously, the efficiency reaches above 0.33 hm2/h. This model is engineered to reduce manpower requirements, minimize potato loss, maintain a low skin breakage rate, and ensure high purity of the final harvested product.


| Structural Style | Trailed |
| Overall Dimension (L×W×H) | 8750×3400×3720 mm |
| Machine Weight | 5800 kg |
| Tractor Engine Power | 92-118 kW |
| Working Ridges | 2 |
| Working Width | 1700 mm |
| Adapt to Ridge Width | 900 mm |
| Digging Depth | 150~300 mm |
| Pure Working Time Productivity | ≥0.33 hm2/h |
| Digging Shovel Type | Combined tip shovel |
| Stem-removing Device | Chain Type |
| Cleaning & Separating Device | Spiral rubber roller |
| Potato Export Mode | Tons Bag |
| PTO Input Speed (MAX) | 540 r/min |
| Cache Box Capacity | 1000 L |