Logan Ruta HDE Synth 10W-40, is a semi-synthetic advanced heavy duty engine oil, specially formulated for Euro IV & Euro V engines without a particle filter. This engine oil is also developed to (in consideration of the official instructions of the OEM’s) provide extended oil drain intervals and prevent “bore-polishing”. The excellent engine oil is suited for Heavy-Duty engines where an API 10W-40 and Scania LDF-3 or MB 228.5 specification is required.