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PXi Series Engines
Professional-grade performance.
Our PXi Series V-Twin riding mower engines give you premium power and features to handle the big jobs. The enhanced components are extremely durable, and premium air, oil and fuel filters keep the engine running clean to extend engine life. Our optional starting technologies provide reliable, automotive-style starting in all weather conditions – from minus 20°F up to 120°F.
- Advanced Debris Management System – Helps our engines run cleaner and longer by deflecting and ejecting grass and debris, providing a longer life.
- Full Pressure Lubrication System – Continuously feeds oil through the premium oil filter and crankshaft bearing for enhanced durability and longer engine life.
- Optional no choke starting with ReadyStart® for Ride.
- 3-Year Limited Warranty – Now standard on large vertical PXi Series engines starting with 2025 production, with coverage for both commercial and residential use.
- To learn more, download our product literature.
Gross Horsepower (HP)
20.0 - 25.0
Displacement
656 - 724cc
Engine Fuel
Gas
Oil Capacity (oz)
64 - 67
Features
Made in the USA
Made in the USA of US and global parts.
Advanced Debris Management System
Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.
Qualified 67% Longer Engine Life*
When compared to expected life standards of a Briggs & Stratton Intek™.
Full Pressure Lube System
Reduces component wear for longer engine life.
V-Twin Engine
For more power, comfort and durability.
3-Year Limited Warranty
Covers both commercial and residential use—backed for the long run.
Specifications
| PXi2000 | PXi2200 | PXi2400 | |
| Engine Series | PXi Series | PXi Series | PXi Series |
| Horsepower (ft-lbs)* | 20.0 | 22.0 | 24.0 |
| Engine Displacement (cc) | 656.0 | 724.0 | 724.0 |
| Number of Cylinders | V-Twin | V-Twin | V-Twin |
| Engine Configuration | Vertical Shaft | Vertical Shaft | Vertical Shaft |
| Start Type | Electric Start | Electric Start | Electric Start |
| Engine Fuel | Gasoline | Gasoline | Gasoline |
| Length (in) | 19.1 | 19.0 | 19.1 |
| Width (in) | 18.2 | 18.0 | 18.2 |
| Height (in) | 14.3 | 14.0 | 14.3 |
| Weight (lbs) | 84.0 | 84.0 | 84.0 |
| Bore (in) | 2.97 | 3.0 | 3.12 |
| Stroke (in) | 2.89 | 3.0 | 2.89 |
| Oil Capacity (oz) | 64 | 64 | 64 |
| Lubrication System | Full Pressure Lubrication | Full Pressure Lubrication | Full Pressure Lubrication |
| Oil Filter | Premium | Premium | Premium |
| Air Filter | Dual Element Cartridge with Advanced Debris Management | Dual Element Cartridge with Advanced Debris Management | Dual Element Cartridge with Advanced Debris Management |
| Fuel Shutoff Valve | Optional | Optional | Optional |
| Certified Power Rating | Download Power Curve | Download Power Curve | Download Power Curve |
| Warranty | 3 Years | 3 Years | 3 Years |
*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
Support
Manuals
Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or equipment by following our step-by-step process.
Find Model Number
Locate and confirm your model number to search for your operator's manual or illustrated parts list. Not sure where to look or what to look for? Use our Model Number Help guide to find right number for your search.
Get the Support You Need
Lookup the parts and manuals you need to service your engine.
Shop Repair & Maintenance Parts
Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance.