Section 1576 (6.7L Engine (Service Information) - 2500 Hd): Description
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The cylinder block is constructed of cast iron. The casting is a skirted design which incorporates longitudal ribs for superior strength and noise reduction. The block incorporates metric straight thread O-ring fittings at lubrication oil access points. The engine is manufactured with the cylinders being a non-sleeved type cylinder.
The cylinders are numbered front to rear; 1 to 6. The firing order is 1-5-3-6-2-4.