AMSOIL Extended Drain Recommendations

Gasoline Engines:

35,000 miles – 1 year (severe: 17,5000 – 1 year)

25,000 miles – 1 year (severe: 15,000 – 1 year)

15,000 miles – 1 year

7,500 miles – six months

European

If you use an engine oil life monitor – use the longer of the monitor or AMSOIL recommendation.

Diesel Engines:

25,000 miles – 1 year (severe: 15,000 – 1 year)

Synthetic Blend

CJ-4

Four Stroke Motorcycle Engines:

2 x OEM– 1 year (off road – use OEM)

ALSO: AMO, ARO

Four-Stroke ATV & Snowmobile Engines:

Inboard and Inboard/Outboard Four Stroke Marine Craft with Gasoline Engines:

Products: WCT (10W-30), WCF (10W-40), AME (15W-40)

AMSOIL offers up to twice OEM recommendations for petroleum or one year.

Outboard and Personal Watercraft Four Stroke Marine Craft with Gasoline Engines:

Products: WCT (10W-30), WCF (10W-40)

Use longest OEM recommendation or extend intervals based on oil analysis.

Four-Stroke Gasoline Fueled Small & Compact Engines:

Products: ATM (10W-30), ACD (10W-30 / 30), AME (15W-40)

AMSOIL offers up to twice OEM recommendations for petroleum or one year.

Commercial, Fleet, Marine and RVs/Motor Homes with Gasoline Engines:

Products: TSO (0W-30)

AMSOIL offers extended drain intervals of one year up to 17,500 miles.

Products: ASL (5W-30), ATM (10W-30), AMO (10W-40), ARO (20W-50), TRO (20W-50)

AMSOIL offers extended drain intervals of one year up to 15,000 miles.

Products: XLM (5W-20), XLF (5W-30), XLT (10W-30), XLO (10W-40)

In normal or severe service AMSOIL offers extended drain intervals of six months up to 7,500 miles.

Follow GM oil monitoring guidelines if the monitor provides a LONGER interval.

Commercial, Fleet, Marine and RVs/Motor Homes with Diesel Engines without EGR:

Products: HDD (5W-30), AME (15W-40), ACD (10W-30 / 30)

AMSOIL offers up to twice OEM recommendations for petroleum or one year.

Commercial, Fleet, Marine and RVs/Motor Homes with Diesel Engines with EGR:

Products: HDD (5W-30), AME (15W-40), ACD (10W-30 / 30), PCO (15W-40)

Use longest OEM recommendation or extend intervals based on oil analysis.

Industrial Natural Gas Engines:

Product: ANG (40)

AMSOIL offers up to twice OEM recommendations for petroleum or one year.

Definitions:

All intervals are for “mechanically sound” equipment defined as - Engines that are in good working condition and within the factory design settings. Mechanically sound engines, for example, do not leak oil or consume excessive amounts, are not worn out, do not over heat, do not have internal or external anti-freeze leaks, and have properly working emission control systems.  AMSOIL recommends repairing malfunctioning engines prior to the installation of AMSOIL Synthetic Motor Oils.

Normal Service defined as - Personal transportation vehicles frequently traveling greater than 10 miles at a time and not operating under severe service.

Gasoline Engine Severe Service defined as - Turbo/supercharged engines, commercial or fleet vehicles, excessive engine idling, first and subsequent use of AMSOIL engine oil in vehicles with 100,000 miles or greater, daily short trip driving less than 10 miles (16km), frequent towing, plowing, hauling and driving in dusty conditions.

Diesel Engine Severe Service defined as - Extensive engine idling, daily short trip driving less than 10 miles (16km), frequent towing, plowing or hauling heavy loads and frequent driving on dusty conditions.

Note:  AMSOIL recommends checking the oil at a minimum of every 3,000 miles to maintain proper fill levels and maximum engine protection.

NOTICE:  This is only a guide.  Please follow this link for AMSOIL's actual extended drain interval recommendations.

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