About this item

• Product Overview

  AMSOIL 10W-30 100% Synthetic Small-Engine Oil
  Delivers commercial-grade protection and outperforms conventional oils. Tough formulation protects against wear, heat and carbon deposits. Helps maintain power and promotes long engine life. Specifically designed for maximum equipment dependability. Service life up to 200 hours..

  See the product data sheet for full details.

  EXCELLENT WEAR PROTECTION

  • Shear-stable, high-film-strength formulation fortified with anti-wear additives.
  • Does not thin out due to mechanical shear, ensuring a thick lubricating film for maximum wear protection.
  • Specialized chemistry forms a durable barrier that protects against metal-to-metal contact.

  REDUCES OIL CONSUMPTION

  • Reduced oil consumption 61% in lab testing compared to three leading 10W-30/SAE 30 motor oils.¹
  • Heat-resistant synthetic base oils provide low volatility, excellent viscosity stability and strong oxidation resistance.
  • Helps engines run longer between top-offs, providing peace of mind they won’t fail due to oil starvation and will run dependably in the harshest conditions.

  FORMULATED FOR POWER

  • Prevents ring and valve sticking while helping eliminate carbon deposits.
  • Reduces piston-ring and cylinder wear for maximum engine compression.
  • Helps produce maximum power throughout their service lives, helping you get more work done.

  See the product data sheet for full details.

  ¹Based on 125-hour lab tests of small engines using AMSOIL 10W-30 Synthetic Small-Engine Oil and three leading 10W-30/SAE 30 motor oils.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 504 reviews

  Based on 504 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Great for small engines
    By  ROGER,  a  Verified Buyer  from  Michigan  on  July 21, 2026

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    Just started using this engine oil for generators that I service. So far, I've had great results probably one of the best oils for air cooled engines.
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Pressure washer
    By  ROD,  a  Verified Buyer  from  Blountsville   on  July 15, 2026

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    Good oil. Trust it to take care of my equipment.
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Work great
    By  RAYMOND,  a  Verified Buyer  from  60532  on  July 12, 2026

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    Amsoil work great in my autos, it work great in my lawn equipment. Protech better then conventional oil.
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Good lawnmower oil
    By  ROBERT J,  a  Verified Buyer  from  Sauk Rapids, MN  on  July 11, 2026

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    Used in my Honda lawnmower. Have had it for many years. Good protection and keeps the engine clean.
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Long life
    By  GARY M,  a  Verified Buyer  from  Flowery Branch, Ga  on  July 07, 2026

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    Have used Amsoil small engine oil in all my units since day one, I know it is quality & helps the units operate efficiently for a long life.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Small engine oil
    By  DALE,  a  Verified Buyer  from  mckinney,tx.  on  July 06, 2026

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    A must for this hot Texas heat-use this in my J.D. Z530M 60" zero turn and quieted it immediately!!!!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Small engine oil
    By  DALE,  a  Verified Buyer  from  mckinney,tx.  on  July 06, 2026

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    See below
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Great oil
    By  DALE,  a  Verified Buyer  on  July 05, 2026

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    Use this in my commercial mowers. Motors run smoothly even under hot conditions! Change every 100 hours and no issues!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great
    By  JERRY,  a  Verified Buyer  from  ON  on  June 26, 2026

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    Great oil for my generator
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    awsome product
    By  DOUG,  a  Verified Buyer  on  June 20, 2026

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    worked great in my power washer will keep using this product
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)

• Highlights

  • Protects up to 200 hours
  • Helps extend engine life
  • Rust-inhibited
  • Maximizes engine power
  • Helps cut maintenance costs
• Returns

  We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.

• Payments

  We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

• Product Overview

  AMSOIL 10W-30 100% Synthetic Small-Engine Oil
  Delivers commercial-grade protection and outperforms conventional oils. Tough formulation protects against wear, heat and carbon deposits. Helps maintain power and promotes long engine life. Specifically designed for maximum equipment dependability. Service life up to 200 hours..

  See the product data sheet for full details.

  EXCELLENT WEAR PROTECTION

  • Shear-stable, high-film-strength formulation fortified with anti-wear additives.
  • Does not thin out due to mechanical shear, ensuring a thick lubricating film for maximum wear protection.
  • Specialized chemistry forms a durable barrier that protects against metal-to-metal contact.

  REDUCES OIL CONSUMPTION

  • Reduced oil consumption 61% in lab testing compared to three leading 10W-30/SAE 30 motor oils.¹
  • Heat-resistant synthetic base oils provide low volatility, excellent viscosity stability and strong oxidation resistance.
  • Helps engines run longer between top-offs, providing peace of mind they won’t fail due to oil starvation and will run dependably in the harshest conditions.

  FORMULATED FOR POWER

  • Prevents ring and valve sticking while helping eliminate carbon deposits.
  • Reduces piston-ring and cylinder wear for maximum engine compression.
  • Helps produce maximum power throughout their service lives, helping you get more work done.

  See the product data sheet for full details.

  ¹Based on 125-hour lab tests of small engines using AMSOIL 10W-30 Synthetic Small-Engine Oil and three leading 10W-30/SAE 30 motor oils.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 504 reviews

  Based on 504 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Great for small engines
    By  ROGER,  a  Verified Buyer  from  Michigan  on  July 21, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Just started using this engine oil for generators that I service. So far, I've had great results probably one of the best oils for air cooled engines.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Pressure washer
    By  ROD,  a  Verified Buyer  from  Blountsville   on  July 15, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Good oil. Trust it to take care of my equipment.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Work great
    By  RAYMOND,  a  Verified Buyer  from  60532  on  July 12, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Amsoil work great in my autos, it work great in my lawn equipment. Protech better then conventional oil.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Good lawnmower oil
    By  ROBERT J,  a  Verified Buyer  from  Sauk Rapids, MN  on  July 11, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Used in my Honda lawnmower. Have had it for many years. Good protection and keeps the engine clean.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Long life
    By  GARY M,  a  Verified Buyer  from  Flowery Branch, Ga  on  July 07, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Have used Amsoil small engine oil in all my units since day one, I know it is quality & helps the units operate efficiently for a long life.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Small engine oil
    By  DALE,  a  Verified Buyer  from  mckinney,tx.  on  July 06, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    A must for this hot Texas heat-use this in my J.D. Z530M 60" zero turn and quieted it immediately!!!!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Small engine oil
    By  DALE,  a  Verified Buyer  from  mckinney,tx.  on  July 06, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    See below
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great oil
    By  DALE,  a  Verified Buyer  on  July 05, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Use this in my commercial mowers. Motors run smoothly even under hot conditions! Change every 100 hours and no issues!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great
    By  JERRY,  a  Verified Buyer  from  ON  on  June 26, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Great oil for my generator
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    awsome product
    By  DOUG,  a  Verified Buyer  on  June 20, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    worked great in my power washer will keep using this product
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)