74036828 Exhaust Manifold Fits Gleaner Combines L L2 M M2 N5One New Aftermarket Replacement Center Exhaust Manifold Fits Allis Chalmers (Fits Allis Chalmers) Tractors and Gleaner Combines This center exhaust manifold is a direct fit aftermarket replacement for the Fits Allis Chalmers 6 cylinder diesel engine exhaust system. It collects exhaust gases from the cylinder head ports and routes them through the 3 piece manifold assembly. Late style installation note: Requires 2 x 74036815 washers (not included).