Road construction equipment CHANGLIN 170hp motor grader spare parts 2.Transmission case 1 Model WG180 (technology) 2 Type power shift, single-shift lever, natural-shift lock device 3 Gear shift position 6 Forward and 3 reverse gears 3.Axle and Tire 1 Type of main reducer spiral bevel gear, single stage 2 Gear ratio of main reducer 3.583 3 Type of final reducer Single stage chain-drive 4 Gear of ratio of final reducer 3.75 5 Gear ratio 13.436 6 Max. drawing force 74.6KN 7 Tandem drive Double row roller-chains 8 Size of tire 17.5-25-12PR(standard) 13.00-24-12PR(optional)