Change four-wheel drive tractor wheels to four track tractor .

摘要

An object of the present invention I provide a four track tractor which enables the field working with the tractor in the rainy season . A Remove the wheels of the tractor wheels , fitted with a rear track part 20 and the front track section 19 in each group each wheel mounting portion to each track drive wheel hub to four track tractor . This four track tractor during the rainy season the ground pressure soil moisture is high low , can work not to drop the work accuracy in upland . [ Selection Figure Figure 1