6 QUARTS - John Deere Original Equipment 32oz. Plus-50 SAE 15W-40 - TY26674 For use in heavy-duty off-road applications, on-road trucks, marine engines, natural gas engines, pickups and automobiles. Backwards compatible for use in all legacy diesel engine applications where Plus-50 may have been applied. For use in John Deere iT4 engines and all diesel engines requiring API CJ-4 oil. These are OEM John Deere parts.