Securely connect your semi-tractor and semi-trailer with our durable trailer king pin. Built to withstand heavy loads and tough road conditions, trust us for all your towing needs Specifications Product Line: Suspension Category Name: Fifth Wheels & Parts Part Type: Trailer King Pin Alternate Part Name: Holland King Pin OEM Part Number: E-700 Application Type: Trailers, Trailer Kingpin Type: 2 in. SAE Standard Mounting Type: Weld-On Material: Forged High-Strength Steel Flange Diameter: 8.000 in. Flange Thickness: 0.380 in. Kingpin Neck Diameter: 2.000 in. Kingpin Shaft Diameter: 2.762 in. Kingpin Shoulder Height: 1.308 in. Overall Height: 3.324 in. Upper Shaft Diameter: 3.000 in. Upper Shaft Height: 2.875 in. Kingpin Capacity Rating: 50.000 lb. Net Weight: 12.70 lb. Intended Application Trailer Fifth Wheel Coupling System. Various applications with Weld-On Kin.g Pin.s. For 3/8" thick plate. Cross-references 110212, 482201, 8522009, E-700, E700, GL0345, K1000, KP100, KPAAR880, KPT809F, M698, R30700