The invention disclosed herein provides a card holder device that can be attached to another object and hold a card therein in a fixed position relative to the object in a readily viewable position during the handling andor processing of the object to which it is attached. An axially extending valve retainer is also mounted in the body and is translatable from a running position to a drilling position. A circulation system for use with the filter assembly is also disclosed. The second oil cooler is disposed in a front cover at a position higher than an upper edge of a front wheel.