2 tons（4.5 meters）
Four boom sections, with each section measuring 1.45 meters and three oil cylinders. Straight top variable amplitude oil cylinder, 2-ton winch, 12 inch integrated turntable
3tons（4.8 meters）
Four boom sections, 1.5 meters per section, three oil cylinders. Straight top variable amplitude oil cylinder, 3-ton winch, 14 inch integrated turntable
5tons（5.8 meter）
Five boom sections, 1.5 meters per section, three oil cylinders. One section manual pull, 5-ton winch, inclined top variable amplitude oil cylinder, 17 inch integrated turntable
5 tons（6.8 meters）
Five boom sections, 1.8 meters per section, three oil cylinders. One section manual pull, 5-ton winch, inclined top variable amplitude oil cylinder, 17 inch integrated turntable
Standard Configuration
Six way operating valve, two manually pulled hydraulic support legs, hydraulic oil tank (without oil), oil pump without oil pipe
