The Oil Guard System Extends The Life of Your Equipment

We have designed an advanced system to keep your equipment out of the shop and on the ground, allowing you to make more money. The Vanguard® Oil Guard™ System is a revolutionary innovation with a 6-quart system capacity that is located in an external reservoir. This extends the life of the oil and better protects the engine. This innovation allows:

  • A 500-hour oil change interval
  • Up to 60% savings on maintenance costs*
  • 192 oz system capacity
  • 80% more efficiency than standard spin-on oil filters

To learn more, download our Oil Guard Innovation literature here

*Per season, per unit on oil maintenance.

Savings Calculator

Find out how much you can save each season with Oil Guard.

  • Easy-fill cap and integrated oil filter make oil changes easier, cleaner and faster

  • Unique dry sump system ensures off-angle lubrication and minimizes thermal breakdown of oil

  • High-capacity external oil reservoir keeps oil and engine cooler

Productivity Enhanced With Oil Guard

See how lawn care business owners increase efficiency with our 40 HP EFI/ETC engine featuring the revolutionary Oil Guard system.


810cc V-Twin Vertical Shaft with Oil Guard™


BIG BLOCK™ V-Twin Vertical Shaft with Oil Guard™
Available Engines 26.0 Gross HP*
28.0 Gross HP* with EFI
33.0 Gross HP* with EFI/ETC
36.0 Gross HP*
37.0 Gross HP* with EFI/ETC
40.0 Gross HP* with EFI/ETC

*All power levels are stated gross HP at 3,600 RPM per SAE J1940 as rated by Briggs & Stratton.