Platinum Series™ (Single Cylinder)


Tough terrain? Large load? Put Craftsman Exclusive Platinum Series™ tractor engines to work for you. Available exclusively on select Craftsman tractors, these Briggs & Stratton engines last 25% longer under medium to heavy-duty use in your yard. Platinum tractor engines feature automotive-style lubrication that protects and cools critical engine components -- even when you challenge it with uneven terrain or heavy loads.


Riding Lawn Mower Engine Reviews

Product Details

Overhead Valve (OHV) Engine Design

OHV engines run cooler and cleaner for better fuel economy and longer engine life.


Use E10 or Less Engine Fuel

Look Before you pump fuel into your lawn mower and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the engine on your outdoor power equipment.

MRS Spark Plug

Most Reliable Start (MRS) sparkplug for easy starting.

Full Pressure Lube System

Cooler operation and longer life.

Advanced Formula Fuel Treatment & Stabilizer

Safeguards engines against ethanol damage and maintains fuel stability for up to 3 years.

See the full benefits of Advanced Formula Fuel Treatment

Anti-Vibration System - AVS®

Provides a smoother ride and more comfort.

Advanced Debris Management System

Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.


Download the operator's manual or illustrated parts list for your Briggs & Stratton engine or equipment by following our step-by-step process.


Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting.

Maintenance How-To Articles

Find DIY articles on how to use & maintain your Briggs & Stratton engine or equipment.

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Platinum Series™ (Single Cylinder)
HP (gross) ** 19.0
Engine Displacement (cc) 540
Number of Cylinders Single
Engine Configuration Vertical Shaft
OHV Engine Yes
Length (in) 18.9
Width (in) 16.2
Height (in) 12.9
Weight (lbs) 77
Bore (in) 3.56
Stroke (in) 3.06
Engine Fuel Gasoline
Fuel Tank Capacity (gal) N/A
Lubrication System Full Pressure Lubrication
Oil Capacity (oz) 48.0
Oil Filter Premium
Starter Electric Start
Air Filter Cartidge Air Cleaner with Advanced Debris Managment
Muffler No
Certified Power Rating Download Power Curve
Marketing Model 33R8

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.