Coverage plan for natural gas and propane engines, detailing covered failures, responsibilities, and limitations.
This document outlines the Cummins 6/3 Coverage Plan, which provides warranty coverage for specific engine components in natural gas and propane engines used in automotive applications. It details what failures are covered, Cummins’s responsibilities for repairs, and the owner’s obligations. Coverage begins after the base engine warranty expires and ends based on mileage, hours, or time specified on the certificate. The plan excludes wear-related failures and does not cover damage from improper fuel use or unauthorized modifications.
Engine Cylinder Block Casting, Engine Crankshaft Forging, Engine Camshaft Forging, Valve Covers, Flywheel Housing, Oil Cooler Cover/Filter Heads, Intake Manifold Castings, Gear Cover and Housing, Engine Connecting Rods, Oil Pan, Engine Connecting Rod Bolts/Capscrews, Engine Cylinder Head Castings, Gear Train Gears, Engine Cylinder Head Capscrews, Crankshaft Gear, Camshaft Gear, Camshaft Idler Gear, Accessory Drive Gear, Fuel Pump Drive Gear.
Coverage begins on the expiration of the Cummins Base Engine Warranty and ends at the time, miles (kilometers) or hours specified on the accompanying Certificate, whichever occurs first, AS MEASURED FROM THE CUMMINS BASE ENGINE WARRANTY START DATE.
Engines must use diesel fuel with sulfur content no more than the maximum specified for the engine’s emissions certification level. Failure to use correct fuel voids warranty coverage.