QG 8.5C Heavy duty U joint

The 8.5C Series universal joint (also known as the 85WB series) is a heavy-duty "Mechanics style" wing-bearing U-joint. It is commonly used in industrial machinery, construction equipment (like Caterpillar loaders), and military vehicles (such as 5-ton 6x6 trucks)

Core Specifications
Distance Between Bolts: 2.812 inches.
Lock-Up (Span): 6.500 inches.
Series Design: Mechanics Wing Style (8.5C / 85WB).
Pilot Diameter: 6.5 inches.