TITAN MARWAY 1540 40. Marine trunk piston diesel engine oil with higher TBN where fuels with a higher sulphur content are used. The product counteracts soot and deposits, and provides effective protection against corrosion. Preservative, synthetic hydrocarbon hydraulic fluid. Approved to MIL-PRF-46170 Type 1. AeroShell Fluid 61 is a synthetic hydrocarbon base hydraulic fluid specifically inhibited to provide excellent oxidation stability for the oil and good corrosion preventive protection to the hydraulic system. Find the AeroShell Fluid 61 data sheet.