D1/R1-Dual Wheel Kingpinless Series-6,000 lb
- Constructed 5/16" thick top plate from hot forged ASTM1045 steel
- Integrated with a 3" diameter, precisely machined raceway of 1/2"
- ball bearings
- Grease fitting on raceway and axle
- 1/2" CNC machined grade 5 axle bolt and lock nuts
- Zinc-plated finish