7,000 lb. 4" Drop Standard Spring Trailer Axle (95" Hub Face, 8-6.5" Hub Face) 7,000 lb Capacity, 8-6.5" Bolt Circle Axle seats will come loose with axle and are required to be welded onto axle. 3" diameter x 1/4" wall, round tubing. Lubrication: Grease 4" Drop from Center of Spindle to Center of Axle Shaft