Champion Grader top tank
This tank has a 2 1/4" diameter hose connection 5" from the edge of the tank to the center of the hose connection, and a 1/4" NPT flange next to the hose connection to accommodate an expansion tube.
This tank has a 2" diameter hose connection in the middle of the tank, and 1 3/4" diameter hole in the top center of the tank to accommodate a truck filler neck. This tank also contains a baffle to create a surge-like area inside the tank.
This tank has a 2 1/2" diameter hose connection 9 1/4" from the edge of the tank to the center of the hose connection, a 3/4" diameter bypass hose that bends 90o towards the passenger side, a Wabco fill neck hole in the top center of the tank (offset towards the grill), and a pair of 1/4" NPT flanges (one in the corner for an expansion fitting, and one in the center for a sensor fitting).