NTA:
1. Cov khoom tiav lawm,
2. Qhov chaw qis ntawm lub ntiajteb txawj nqus,
3. Kev ua tau zoo ntawm kev co suab
4. Khoom ruaj khov.
5. Lub neej ntev ntawm cov hniav zoo
6. Lub ntsuas rov qab muaj los muab kev kho kom zoo
7. Kev tsim kho yooj yim nrog qhov zoo nkauj
8. Yooj yim rau kev khiav lag luam nrog kev siv hluav taws xob tsawg dua
9. Siv dav rau cov hlau nruab nrab thiab tuab
COV LUS QHIA:
| QAUV | Q11-3X1300 | Q11-3X1500 | Q11-4X2000 | Q11-4X2500 | Q11-4X3200 |
| Max.shearing thickness (hli) | 3.0 | 3.0 | 4.0 | 4.0 | 4.0 |
| Qhov dav tshaj plaws ntawm kev txiav (hli) | 1300 | 1500 xyoo | 2000 xyoo | 2500 | 3200 |
| Lub kaum sab xis txiav | 2° | 2° | 2° | 2° | 1.3° |
| Tus naj npawb ntawm stroke (ib feeb) | 20 | 20 | 20 | 20 | 20 |
| Lub zog tsav tsheb (kw) | 3 | 3 | 5.5 | 5.5 | 7.5 |
| Rov qab ntsuas (hli) | 350 | 350 | 500 | 500 | 500 |
| Qhov loj ntawm cov khoom (cm) | 233x136x154 | 240x130x150 | 318x177x155 | 370x151x149 | 520x210x185 |
| NW/GW(kg) | 1400/1550 | 1600/1750 | 3000/3200 | 3600/3850 | 6800/7100 |