Description: YZC8 is all-hydraulic double wheel drive, pairs of steel wheel vibration, Frequency conversion changed. Adopt Daoyici diesel engine, walk pump, Vibration pump adopt products of Sundstrand Company in U. S. A...Walk Motor adopt low-speed heavy torsion motor of German REXROTH Company. All-hydraulic central knuckle joint steering, unique crab type organization, It is more comfortable and more convenient to operating. YZCl2 is all- hydraulic double wheels drive, a pair of steel wheels Vibration, frequency conversion changed. Adopt Daoyici diesel engine, Walk pump, vibration pump adopt products of Sundstrand Company in U. S. A... Walk motor adopt products of France Bokelan Company. All-hydraulic central Knuckle joint steering, unique crab type organization, it is more comfortable And more convenient to operating.