Description

Castrol Duratec L is a monograde gas engine lubricant that provides excellent thermal and oxidative stability to reduce combustion chamber deposits and significantly reduce maintenance costs.

Approval Status

Castrol Duratec L is approved by:

• Deutz
• Jenbacher – engine types 2, 3 & 6 – Fuel Gas Classes A, B & C ( TI 1106-1109)
• Jenbacher – engine type 4 – Fuel Gas Classes A & B ( TI 1106-1109)
• Rolls-Royce Ulstein (applications with separate lubrication for turbochargers)
• Wärtsilä 175SG, 220SG, 25SG, 28SG and 34SG
• Wärtsilä 32DF and 50DF dual fuel engines running predominantly on natural gas

Castrol Duratec L meets the requirements of / is suitable for use in:

• Perkins
• Ruston
• Caterpillar
• Waukesha (normal coolant temperature installations)

Technical Data

Name	Method	Units	Duratec L
SAE Viscosity			40
Base Oil Type			Mineral
Detergent Type			Calcium
Zinc Content	ASTM D4927	ppm	320
Phosphorus Content	ASTM D4927	ppm	280
Relative Density at 15°C	ASTM D4052	g/ml	0.89
Kinematic Viscosity at 40°C	ASTM D445	mm²/s	125
Kinematic Viscosity at 100°C	ASTM D445	mm²/s	13.0
Viscosity Index	ASTM D2270		97
Total Base Number	ASTM D2896	mg KOH/g	4.5
Open Flash Point	ASTM D92	°C	250
Pour Point	ASTM D5985	°C	-18
Sulphated Ash	ASTM D874	% wt	0.45

The above figures are typical of those normal production tolerance and do not constitute a specification.