Main and assistant box structural,structures compact,small in size, light in weight.
-The lord gearbox use coincidence degree big technology, assistant box use planet wheel mechanism, carrying ability strong.
- Lube oil pump force lubrication,more sufficient, enhances service llife of the whole box.
- All synchromesh transmission, it means both of forward gears of main box and High and low gear of assistant box all have synchronizer, easy to shift gears
-First gear with big speed ratio, making good starting ability while heavy loading., speed ratio range broad, distribution reasonable, making the whole truck with good economy and powerful.