Briggs & Stratton Oil Capacity Chart (All Engines) Oil Type & Change Interval

Briggs & Stratton engines power millions of lawn mowers, riding tractors, generators, pressure washers, snow blowers, and outdoor power equipment worldwide. Whether you own a small walk-behind mower or a large riding lawn tractor, using the correct oil type and maintaining the proper oil level is essential for maximum engine life.

One of the most common maintenance questions owners ask is: “How much oil does my Briggs & Stratton engine hold?” Oil capacity varies significantly depending on engine size, series, and application. Adding too little oil can cause severe engine damage, while overfilling may result in smoking, overheating, and gasket failures.

This complete Briggs & Stratton oil capacity chart covers the most common engine families along with recommended oil types, oil change intervals, oil filter information, and maintenance recommendations.

Walk-Behind Mowers
Riding Mowers
Generators
Pressure Washers
Oil Capacity Chart

Briggs & Stratton Oil Capacity Chart

The following chart includes approximate oil capacities for many of the most popular Briggs & Stratton engines. Always verify the final oil level using the dipstick and consult the engine model number for exact specifications.

Engine Series
Engine Size
Oil Capacity
Recommended Oil
Oil Filter
Classic / Sprint Series
3.5–5 HP
15–18 oz
SAE 30
No
500E Series
140cc
15 oz
SAE 30 / 10W-30
No
550E Series
140cc
15 oz
SAE 30 / 10W-30
No
625EX Series
150cc
15–18 oz
10W-30
No
675EX Series
163cc
18 oz
10W-30
No
725EXi Series
163cc
18 oz
10W-30
No
750EX Series
161cc
18 oz
10W-30
No
Intek Single Cylinder
17–21 HP
48 oz (1.5 qt)
10W-30
Yes
Intek V-Twin
20–24 HP
64 oz (2 qt)
10W-30
Yes
Professional Series
20–27 HP
64 oz (2 qt)
Synthetic 10W-30
Yes
Extended Life Series
24–27 HP
64 oz (2 qt)
Synthetic 10W-30
Yes
Commercial Turf Series
25–29 HP
64–80 oz
Synthetic 10W-30
Yes
Snow Series Engines
208cc–420cc
20–37 oz
5W-30 Synthetic
Varies
Portable Generator Engines
208cc–420cc
20–37 oz
10W-30
Varies

Important: Oil capacities shown above are approximate. Always check the dipstick after filling and never rely solely on published capacity figures.

Recommended Briggs & Stratton Oil Type

Briggs & Stratton recommends different oil viscosities depending on operating temperatures and equipment applications.

Temperature Range
Recommended Oil
Above 40°F (4°C)
SAE 30
All-Season Use
10W-30
Cold Weather
5W-30 Synthetic
Commercial Use
Synthetic 10W-30

Briggs & Stratton Oil Change Interval

Equipment Type
Recommended Oil Change Interval
Walk-Behind Lawn Mowers
Every 50 Hours or Annually
Riding Lawn Mowers
Every 50 Hours
Commercial Equipment
Every 25–50 Hours
Generators
Every 50–100 Hours
Pressure Washers
Every 50 Hours

Common Briggs & Stratton Engine Problems Related to Oil

Blue Exhaust Smoke

Usually caused by overfilled oil, worn piston rings, or a mower tipped on its side incorrectly.

Oil Leaks

Common leak points include valve cover gaskets, sump gaskets, oil seals, and drain plugs.

Overheating

Dirty cooling fins, low oil levels, or old oil can cause excessive operating temperatures.

Hard Starting

Using the wrong oil viscosity can make starting difficult, especially during cold weather.

Frequently Asked Questions

How much oil does a Briggs & Stratton lawn mower engine hold?

Most walk-behind mower engines hold between 15 and 18 ounces of oil depending on engine size.

What oil is best for Briggs & Stratton engines?

SAE 30 is commonly recommended for warm weather, while 10W-30 and synthetic oils provide year-round protection.

Can I use synthetic oil in a Briggs & Stratton engine?

Yes. Synthetic oil provides superior protection and is approved for most Briggs & Stratton engines.

How often should oil be changed?

Most Briggs & Stratton engines require oil changes every 50 operating hours or at least once per year.

What happens if I overfill engine oil?

Overfilling may cause smoking, oil leaks, loss of power, and potential engine damage.

Final Thoughts

Using the correct oil capacity and oil type is one of the easiest ways to extend the life of any Briggs & Stratton engine. Whether you’re maintaining a lawn mower, riding tractor, generator, or pressure washer, keeping oil clean and at the proper level will help prevent costly repairs and improve equipment reliability.

Quick Summary

  • Most Walk-Behind Mowers: 15–18 oz
  • Intek Single Cylinder: 48 oz (1.5 qt)
  • Intek V-Twin: 64 oz (2 qt)
  • Best Oil: SAE 10W-30 Synthetic
  • Oil Change Interval: Every 50 Hours
  • Filter Replacement: With Every Oil Change