1946-1955 | Rolls-Royce Silver Wraith, Silver Dawn; Bentley MkVI, R Type

Approved Lubricants

This information can be found in the Bentley MkVI Handbook in Chapter II (Page 27-28)

Engine & Manual Gearbox

Bentley Motors recommend a first quality oil of viscosity SAE 20 for the engine all the year round, and viscosity 30 for the gearbox. Any of the following oils are suitable:

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Engine - "A"	E	Castrolite	Arctic	Single	NP. "Twenty"	20	20	WW 20
Manual Gearbox - "B"	M	XL	A	Double	NP. "Thirty"	30	T	WW 30

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In the instructions which follow, reference is made to Oil "A" or "B" as above (i.e. viscosity 20 or 30)

Rear Axle

Wakefield's Special Castrol Hi-press S.C (If circumstances make this unobtainable, any one of the following may be used. Do not mix these oils; drain and refill.)

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Rear Axle	Motorine Hypoid	Castrol Hypoy	Mobilube GX	Spirax EP 90	Adcol Hypoid 90	Essoleum Expee Compound 90	Speedolene Hypoid 90	Hypoid 90

Carburetter Air Valve Damper

Viscosity 10 oil, any of the following may be used:

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Carburetter Air Valve Damper	Motorine U.C.L	Wakefield Oilit	Mobil Handy Oil	Donax A1		Esso Shock Absorber Light

Steering Box

Viscosity 30 oil, as under "B" (see below).

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Manual Gearbox - "B"	M	XL	A	Double	NP. "Thirty"	30	T	WW 30

Chassis Oil Pump

Viscosity 30 oil, as under "B" (see below).

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Manual Gearbox - "B"	M	XL	A	Double	NP. "Thirty"	30	T	WW 30

Starter Motor Gears

Viscosity 30 oil, as under "B" (see below).

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Manual Gearbox - "B"	M	XL	A	Double	NP. "Thirty"	30	T	WW 30

Hydraulic Shock Dampers

Viscosity 20 oil, as under "A" (see below).

	Price's Motorine	Wakefield's Castrol	Vacuum Mobiloil	Shell	Duckham's Adcoidised	Essolube	Silvertown Speedolene	Sternol
Engine - "A"	E	Castrolite	Arctic	Single	NP. "Twenty"	20	20	WW 20

Propeller Shaft

Vacuum Mobilgrease No. 2.

Contact Breaker Cam

Vacuum Mobilgrease No. 2.

Distributor Grease Cup

High Melting Point Grease.

Hydraulic Brake Fluid

Lockheed Brake Fluid - Orange