10 Best Lawnmower Engines of October 2025

• Briggs and Stratton 140cc 5tp Vertical Shaft Engine
• 7/8" x 3-5/32" keyed shaft.
• Engine has a flywheel brake system, made for push mowers only
• Will not work for pressure washers, edgers or any other application

Briggs & Stratton

• ["", "ReadyStart sytem for easier starting", "Lo-ToneTM muffler provides a quieter and better sounding engine", "Large rewind starter reduces pulling effort for easy starting"]

Briggs & Stratton

• ReadyStart starting system with no prime, no choke, no worries, just pull for power
• Dual-sealing air cleaner for improved debris resistance and longer life
• Lightest engine in its class by 30% for easier maneuverability
• Acoustically-engineered muffler for quiet operation and excellent tonal quality
• Mechanical Governor
• Buyer protection package provides two-year limited consumer engine warranty

Briggs & Stratton

• Patented 5-Step Debris Management System for extended durability under heavy debris conditions
• Cyclonic air filter provides ultimate debris protection and lasts 2x longer than panel-style air cleaner systems
• Increased cylinder block structure for added strength and durability
• Cooling fin inspection panels speed debris inspection and cleaning;Gross Torque: 39.4 pound-foot
• Full pressure lubrication with spin-on oil filter assures controlled lubrication for extended component life

Briggs & Stratton

• Genuine Briggs & Stratton professional Series 24HP engine
• Electric start with 16 amp alternator
• Overhead valve (OHV) technology
• Dura-Bore cast iron cylinder sleeve
• Float feed carburetor for reliable starting and operation

Briggs & Stratton

• Briggs and Stratton 25 HP 724cc Commercial Engine
• 1 x 3-5/32 inch keyed crankshaft
• 5-stage cyclonic air filter system
• Riding mower, z-turn replacement engine

Briggs & Stratton

• Dura-bore cast iron cylinder sleeve for extended life
• Includes exhaust
• Overhead valve design (OHV) for cooler operation and long valve life
• Full pressure Lubrication with oil filter
• 9 amp battery-less Alternator
• Power Source Type: Gas-Powered

Briggs & Stratton

• 100% WATERPROOF - Beware of other covers claiming “water resistant”! This means they protect only partially and your mower engine will be wet after rain. Our cover has a thick PU rubber coating on the inside and a seam sealing that keep your zero turn lawn mower dry even in heavy rains. Air vents prevent water condensation.
• HEAVY DUTY - Serves x2 times longer! This is our premium product line made of better materials than a standard cover. Marine grade 600D fabric, double stitching and better UV protection ensure durability over time. The fabric stays flexible in winter and does not crack like cheap PVC fabrics.
• EASY TO USE - Elastic hem assures a tight fit around a ZTR riding mower so the cover won't fly-off during windy days and it is much easier to use than drawstring covers. Storage bag included. Universal large size fits up to 60 inch deck and measures 80"Lx62"Wx55"H. Check other sizes available for the best fit.
• PROTECTS YOUR INVESTMENT - Keeps your riding lawn mower out of extreme elements (rain, dust, dirt, wind, sun, snow and birds). Perfect weatherproof outdoor storage for 0 turn lawn mower during summer or winter. Olive green color blends into the yard nicely.
• 100% MONEY-BACK GUARANTEE - All our products come with a 1 month guarantee: if you experience ANY problems with your zero turn lawnmower cover, we refund your entire purchase. Our products are sold with a 12 month warranty for the original purchaser against manufacturing defects. *Mower not included.

Family Accessories

• High quality base oil cushion parts to protect against friction and helps control engine oil viscosity over the oil drain period
• Anti-wear technology provides a layer of protection at high temperatures to help prevent engine wear
• Antioxidants fight thermal breakdown to enhance oil durability
• Detergents help keep engine components clean
• Corrosion inhibitor promotes equipment longevity during seasonal storage

STP

• Carburetor fit for Tecumseh 640271 640274 640303 640338 640350 13566, LEV100 LEV105 LEV120 LV195EA engines
• Carburetor fit toro 20012 20069 20070 20071 20071A 20072 20072A 20073 20073A 20074A 20076 20076A 22in Recycler Walk Behind Lawn Mower
• Carburetor fits for many different Sears Craftsman MTD and Yard Machines Mowers Tecumseh Engines
• Air filter replace for Tecumseh 36905 740083A. Size: 2-3/4-inch length x 1-3/4-inch width x 2-7/8-inch H
• Package includes 1 pc carburetor, 1 pc gasket, 1 pc air filter, 1 pc spark plug,1 pc primer bulb,2 feet fuel line,4pcs camps.

Hilom