Best Vertical Shaft Mower Engine in 2025
Updated on July 2025
#1
Recommended
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- 24hp Kawasaki 726cc OHV V-Twin Engine
- 1" x 3-5/32" crankshaft with tapped 7/16" and 1/4" keyway
- Compatible replacement engine for riding mowers and zero-turn lawn mowers
- Measure the crankshaft of your old engine to ensure fitment, as sizes vary
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- 24hp Kawasaki 726cc OHV V-Twin Engine
- 1" x 3-5/32" crankshaft with tapped 7/16" and 1/4" keyway
- Compatible replacement engine for riding mowers and zero-turn lawn mowers
- Measure the crankshaft of your old engine to ensure fitment, as sizes vary
#2
Value for Money
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- electric start with a 16-amp alternator for reliable power
- Overhead Valve (OHV) technology for efficient performance
- Dura-Bore cast iron cylinder sleeve enhances durability
- Float feed carburetor ensures dependable starting and operation
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- electric start with a 16-amp alternator for reliable power
- Overhead Valve (OHV) technology for efficient performance
- Dura-Bore cast iron cylinder sleeve enhances durability
- Float feed carburetor ensures dependable starting and operation
#3
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- Cast iron cylinder sleeve prolongs engine durability
- Linear balancing system enhances operational smoothness
- 9 amp electric start for convenience
- 1" x 3-5/32" shaft with 7/16" taps and a 1/4" keyway
- Designed as a replacement engine for common riding mowers
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- Cast iron cylinder sleeve prolongs engine durability
- Linear balancing system enhances operational smoothness
- 9 amp electric start for convenience
- 1" x 3-5/32" shaft with 7/16" taps and a 1/4" keyway
- Designed as a replacement engine for common riding mowers
#4
6% Off
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- Briggs & Stratton brand
- 44S977-0032-G1 model number
- 25 GHP power output
- vertical shaft engine design
- black color
- suitable for various applications
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- Briggs & Stratton brand
- 44S977-0032-G1 model number
- 25 GHP power output
- vertical shaft engine design
- black color
- suitable for various applications
#5
10% Off
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- 19 HP power output
- 540 cc engine displacement
- Single cylinder design
- Briggs & Stratton Intek Series
- Engine suitable for outdoor equipment
- Durable and reliable performance
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- 19 HP power output
- 540 cc engine displacement
- Single cylinder design
- Briggs & Stratton Intek Series
- Engine suitable for outdoor equipment
- Durable and reliable performance
#6
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- Cast iron cylinder sleeve enhances durability and engine lifespan
- Float carburetor ensures reliable and effortless starting
- Patented linear balancing system improves operational smoothness
- 9 amp electric start functionality
- Compliant with CARB regulations
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- Cast iron cylinder sleeve enhances durability and engine lifespan
- Float carburetor ensures reliable and effortless starting
- Patented linear balancing system improves operational smoothness
- 9 amp electric start functionality
- Compliant with CARB regulations
#7
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- Durable cast iron cylinder sleeve and dual element air filter enhance engine longevity
- Patented linear balancing system ensures smoother operation
- Powered by a 9 amp electric start; includes muffler
- 1" x 3-5/32" shaft with tapped 7/16" and 1/4" keyway
- Designed as a replacement engine for common riding mowers
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- Durable cast iron cylinder sleeve and dual element air filter enhance engine longevity
- Patented linear balancing system ensures smoother operation
- Powered by a 9 amp electric start; includes muffler
- 1" x 3-5/32" shaft with tapped 7/16" and 1/4" keyway
- Designed as a replacement engine for common riding mowers
#8
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- Dura-Bore cast iron cylinder sleeve enhances durability
- Float carburetor enables reliable and easy starting
- Dual-Clean air cleaner with pleated paper filter and foam pre-cleaner provides optimal engine protection
- Overhead valve design (OHV) promotes cooler operation and extends valve lifespan
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- Dura-Bore cast iron cylinder sleeve enhances durability
- Float carburetor enables reliable and easy starting
- Dual-Clean air cleaner with pleated paper filter and foam pre-cleaner provides optimal engine protection
- Overhead valve design (OHV) promotes cooler operation and extends valve lifespan
#9
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- 24hp Kawasaki 726cc OHV V-Twin Engine for reliable performance
- 1-1/8" x 4-9/32" crankshaft with 7/16" tap and 1/4" keyway for easy installation
- Compatible with many consumer riding mowers and zero-turn mowers
- Confirm the dimensions of your existing engine crankshaft for compatibility, as multiple sizes are available
Read More
- 24hp Kawasaki 726cc OHV V-Twin Engine for reliable performance
- 1-1/8" x 4-9/32" crankshaft with 7/16" tap and 1/4" keyway for easy installation
- Compatible with many consumer riding mowers and zero-turn mowers
- Confirm the dimensions of your existing engine crankshaft for compatibility, as multiple sizes are available
#10
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- Replaces part number 49T877-0024
- Shaft dimensions: 1" x 3-5/32", 7/16" tapped with 1/4" keyway
- Equipped with a 27 HP 810cc Professional Series Engine
- Designed for use in consumer riding mowers and zero-turn mowers, featuring Choke-A-Matic control
- Verify your old engine crankshaft dimensions, as Briggs offers multiple sizes
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- Replaces part number 49T877-0024
- Shaft dimensions: 1" x 3-5/32", 7/16" tapped with 1/4" keyway
- Equipped with a 27 HP 810cc Professional Series Engine
- Designed for use in consumer riding mowers and zero-turn mowers, featuring Choke-A-Matic control
- Verify your old engine crankshaft dimensions, as Briggs offers multiple sizes
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