This 4-wheel chain drive powered wheelbarrow offers great advantage over friction driven designs used on similar machines. The robust steel skip has upto 660lb capacity for transport a wide variety of materials, particularly good for use on smooth, slippery and/or muddy soils . The narrow design allows you to drive through narrow entrances and use it even in tight spaces. They are easily maintained, is simple and safe to use. Specification: Engine:Single cylinder 4-stroke, air cooling, 212cc gas engine, EPA certification Power: 5.5 hp Transmission:3F+1R Drive:Chain drive 4x4 Loading Capacity: 660 lb Tip size::31*22.5*18 in Tip Type:Integrated / One-piece Tire: (Rear/Front):4.00-8 / 4.00-10 Tipping:Manual N.W: 430 lb Packing Size: 44*30*34 in