Qualube Extendol 10W-40

Qualube Extendol 10W-40 is a heavy-duty diesel engine oil manufactured to an approved formulation to give exceptional performance even at extended drain intervals. Blended to incorporate additive technology proven to deliver constant protection against deposits produced by fuel combustion that can accumulate over extended drain intervals.

In today's high-speed, increased horsepower, severe-duty diesel engines, motor oils are stressed as never before and must serve many functions simultaneously. In addition to its primary function of lubricating moving parts to minimise friction and wear, the oil must keep the engine clean and free of rust, prevent corrosion of bearings, act as a coolant and trap contaminants to be carried in suspension until the oil is drained. Qualube Extendol 10W-40 has been specifically formulated to meet these challenges. It also meets a wide range of OEM and industry specifications allowing it to be used across mixed fleets.