JASO M354:1999 (Mitsubishi 4D34T)

Test Method Summary
The JASO M354:1999 specification test evaluates resistance of the valve train wear performance of lubricating oils for automobile diesel engines.

Test engine Mitsubishi 4D34T (diesel engine)

Test Fuel Class 2 light gas oil, as specified in JIS K2202 Test conditions An engine is tested at speed of 3,200 rpm under full load (temperatures and pressures are also specified) Test duration 160 hours Measuring items Includes evaluation of wear amount of piston rings and metals, cam-shaft and tappet / used oil analysis