Description
Castrol Cyltech 40SX is a 40 BN high detergent, premium marine diesel engine cylinder lubricant for two-stroke
crosshead engines running on low-sulphur fuels.
Application
Cyltech 40SX is suitable for prolonged operation on low-sulphur fuel (distillate or heavy fuel <2.0% sulphur) with
appropriately adjusted feed rates. Corrosion sensitive engines should select higher BN oils, especially for operation
using fuels with above 1.0% sulphur. Cyltech 40SX may be used with fuels of less than 0.1% sulphur, but we
recommend the use of Castrol Cyltech ACT for medium to long term use.
Advantages
Excellent control of piston ring and cylinder liner wear.
Balanced detergency performance for engine cleanliness.
Reduced deposits,especially calcium carbonate which may result from use of higher BN oils and low sulphur
fuel.
Higher safety margin against bore polishing or scuffing under prolonged operation on low-sulphur fuel,
compared with higher BN cylinder oils.
Product Performance Claims
Cyltech 40SX meets the requirements of MAN Diesel & Turbo, WinGD (Wärtsilä) & MHI (Mitsubishi) for operation on low
sulphur fuel under conditions as specified in their current oil recommendation list.
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