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| Main specifications: | |||||
| Model | QDD20 | QDD30 | QDD50 | QDD60 | |
| Drive type | Electric | Electric | Electric | Electric | |
| Operation type | Seat | Seat | Seat | Seat | |
| Rated traction weight(60 minutes rated) | kg | 2000 | 3000 | 5000 | 6000 |
| Rated traction(60 minutes rated) | N/kg | 500/50 | 750/75 | 1250/125 | 1500/150 |
| Max. traction(5 minuts sated) | N/kg | 2000/200 | 3000/300 | 5000/500 | 6000/600 |
| Drawbar center height | h1/h2(mm) | 280/350 | 280/350 | 280/350 | 280/350 |
| Weight | kg | 930 | 980 | 1160 | 1280 |
| Axle loading,front | kg | 330 | 350 | 410 | 450 |
| Axle loading,rear | kg | 600 | 630 | 750 | 830 |
| Tyre number front/rear | X=Driven wheels | 1/2X | 1/2X | 1/2X | 1/2X |
| Tyre size,front | solid rubber | 15x4.5-8 | 15x4.5-8 | 15x4.5-8 | 15x4.5-8 |
| Tyre size,rear | solid rubber | 15x4.5-8 | 15x4.5-8 | 4.00-8 | 4.00-8 |
| Wheelbase | L1(mm) | 1170 | 1170 | 1280 | 1280 |
| Rear hanging distance | L2(mm) | 350 | 350 | 450 | 450 |
| Tread,front | W2(mm) | 0 | 0 | 0 | 0 |
| Tread,rear | W1(mm) | 860 | 860 | 946 | 946 |
| Seat height | h3(mm) | 850 | 850 | 910 | 910 |
| Overall length | L(mm) | 1720 | 1720 | 1940 | 1940 |
| Overall width | W(mm) | 970 | 970 | 1100 | 1100 |
| Overall height | h(mm) | 1250 | 1250 | 1250 | 1250 |
| Approach angle α 1 | ° | ≥45° | ≥45° | ≥45° | ≥45° |
| Departure angle α 2 | ° | ≥40° | ≥40° | ≥40° | ≥40° |
| Min.ground height | x(mm) | 100 | 100 | 100 | 100 |
| Min.turning radius | Wa(mm) | 1390 | 1390 | 1650 | 1650 |
| Travel speed,laden | km/h | 8 | 7 | 8 | 7 |
| Travel speed,unladen | km/h | 13 | 13 | 14 | 14 |
| Max.gradeability,laden | % | 6 | 6 | 6 | 6 |
| Max.gradeability,unladen | % | 15 | 15 | 15 | 15 |
| Brake | Mechanical,Hydraulic | ||||
| Driving motor power | KW | 3 | 3 | 5 | 5 |
| Voltage | V | 48 | 48 | 48 | 48 |
| Capacity | Ah | 240 | 270 | 360 | 400 |
| Battery weight | kg | 350 | 400 | 530 | 610 |
| Travel control | Microcomputer mosfet | ||||
| Average noise | Db(A) | 68 | 68 | 68 | 68 |
| Traction bolt | Traction bolt | ||||
three wheel tractor QDD20
