10" x 4" Ductile Steel Kingpinless Swivel Caster Dual Wheel - 40,000 lbs. Cap. Four Position Swivel Lock:Standard The original product data lists

The original product data lists a capacity of 5

Simple design is the best design and this hand truck has style to spare

It uses four 4-inch thermoplastic wheels with swivel casters and a 1-1/2-inch tread width

Key listed details include model 892200

10" x 4" Ductile Steel Kingpinless Swivel Caster Dual Wheel - 40,000 lbs. Cap. Four Position Swivel Lock:Standard The original product data listsProduct Overview The Ductile Steel wheel provides extreme weight capacity for its size. The ductile steel is graphite rich, which is stronger and more durable than even our standard semi steel wheels. With a tensile strength of 45,000 PSI, you'll be hard pressed to find a job that needs a stronger wheel. Tread & Core: Solid Cast Ductile Steel This caster is listed with wheel diameter 10", tread width 4", load capacity 40,000 Lbs., tread type Solid