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High-Performance Vertical Shaft Engine Systems
Elevate your equipment’s productivity with our premium selection of vertical shaft engines engineered for superior torque density and long-term mechanical reliability. We feature the latest internal combustion innovations that combine advanced overhead valve (OHV) designs with high-efficiency cooling systems to create a significantly more powerful experience for your residential mowers or commercial turf fleets. Every vertical power unit has undergone rigorous cycle testing to ensure internal component durability and maximum performance for your professional high-end small engine upgrades.
Key Features
- Maximum Torque For Demanding Mowing Applications
- Advanced High Efficiency OHV Engine Engineering
- Durable Vertical Shaft Power Delivery Systems
- Reliable Commercial Grade Thermal Management Technology
- Versatile Compatibility For Leading Equipment Brands
Showing 1–20 of 118 results
BY BRANDS
- Briggs & Stratton (34)
- Honda (6)
- Kawasaki (58)
- Kohler (20)
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Briggs & Stratton 104M02-0196-F1 – 163cc Engine Replace 104M02-0020
Briggs & Stratton 104M02-0196 features 163cc efficiency and replaces the 104M02-0020 model, offering a seamless and reliable repower for high-end push mowers.
- Engine Type: 4-Stroke 163cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 7.25 Foot-pounds gross torque.
- Control Technology: Specialized super-lo-tone muffler.
Briggs & Stratton 104M02-0197-F1 – 7.25 GT 163cc Vertical Engine
Briggs & Stratton 104M02-0197 features the 725exi Series design and a 25mm shaft, providing a lightweight and easy-starting power source for residential walk-behind mowers.
- Engine Type: 4-Stroke 163cc Single OHV.
- Output Shaft: 25mm vertical keyed shaft.
- Starting System: ReadyStart no-prime starting system.
- Output Power: 7.25 Foot-pounds gross torque.
- Control Technology: Just Check and Add oil.
Briggs & Stratton 104M02-0198-F1 – 7.25 GT 163cc Engine Replace 104M02
Briggs & Stratton 104M02-0198 features 7.25 gross torque and replaces the 104M02-0028 model, offering an easy-starting and efficient power source for walk-behind mowers.
- Engine Type: 4-Stroke 163cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: ReadyStart no-prime recoil.
- Output Power: 7.25 Foot-pounds gross torque.
- Control Technology: Just Check and Add oil.
Briggs & Stratton 121Q02-2015-F1 – 8.50 GT 190cc Vertical Engine
Briggs & Stratton 121Q02-2015 features 163cc 725exi efficiency and a 25mm shaft, providing a lightweight and easy-starting engine for premium push mowers.
- Engine Type: 4-Stroke 163cc Single OHV.
- Output Shaft: 25mm vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 7.25 Foot-pounds gross torque.
- Control Technology: Just Check and Add oil.
Briggs & Stratton 121S02-0130-F2 – 8.50 GT 190cc Vertical Engine
Briggs & Stratton 121S02-0130 Professional Series features a 190cc block and 7/8-inch shaft, delivering enhanced durability and performance for premium push mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 8.75 Foot-pounds gross torque.
- Control Technology: Commercial grade air filtration.
Briggs & Stratton 121S02-2015-F1 – 8.50 GT 190cc Vertical Engine
Briggs & Stratton Professional Series 121S02-2015 features 190cc displacement and a 25mm shaft, delivering enhanced durability for premium walk-behind lawn mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 25mm vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 8.75 Foot-pounds gross torque.
- Control Technology: Commercial grade air filtration.
Briggs & Stratton 121S02-2025-F1 – 8.50 GT 190cc Vertical Engine
Briggs & Stratton Professional Series 121S02-2025 features high-torque performance and a 7/8-inch shaft, providing a robust and efficient repower solution for push mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 8.75 Foot-pounds gross torque.
- Control Technology: Patented Anti-Vibration System (AVS).
Briggs & Stratton 126M02-1005-F1 – 6.75 GT 190cc Vertical Engine
Briggs & Stratton 126M02-1005 features a 190cc 675 Series design and 7/8-inch shaft, offering a reliable and easy-starting engine for residential lawn maintenance.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: ReadyStart no-prime starting system.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: Mechanical governor speed control.
Briggs & Stratton 126M02-1006-F1 – 190cc 6.75 GT Vertical Engine
Briggs & Stratton 126M02-1006 features 190cc displacement and a vertical shaft, providing a robust and high-torque engine for commercial-grade push mowers and equipment.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 25mm vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: Large capacity fuel tank.
Briggs & Stratton 126M02-1016-F1 – 6.75 GT 190cc Vertical Engine
Briggs & Stratton 126M02-1016 features 190cc displacement and a 7/8-inch shaft, offering a smooth and fuel-efficient repower solution for lawn maintenance equipment.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: Manual heavy duty recoil.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: Specialized super-lo-tone muffler.
Briggs & Stratton 126M02-1018-F1 – 6.75 GT 190cc Vertical Engine
Briggs & Stratton 126M02-1018 features a 190cc 675 Series design and 7/8-inch shaft, delivering high-torque performance for residential walk-behind mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: ReadyStart no-prime starting system.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: Mechanical governor speed control.
Briggs & Stratton 126M02-1030-F1 – 6.75 GT 190cc Vertical Engine
Briggs & Stratton 126M02-1030 features a 190cc 675 Series design and 25mm shaft, providing a reliable and high-torque power source for residential walk-behind mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 25mm vertical keyed shaft.
- Starting System: Manual easy-pull recoil.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: ReadyStart no-prime starting system.
Briggs & Stratton 128M02-0025-F1 – 6.75 GT 190cc Vertical Engine
Briggs & Stratton 128M02-0025 features 190cc performance and specialized shaft dimensions, providing a durable and easy-starting engine for high-end residential mowers.
- Engine Type: 4-Stroke 190cc Single OHV.
- Output Shaft: 7/8-inch vertical keyed shaft.
- Starting System: ReadyStart no-prime recoil.
- Output Power: 6.75 Foot-pounds gross torque.
- Control Technology: Mechanical governor speed control.
Briggs & Stratton 13D136-0010-F1 – 208cc 9.50 GT Snow Engine
Briggs & Stratton 13D136-0010 Snow Series features 208cc displacement and specialized cold-weather controls, delivering reliable starting power for two-stage snow blowers.
- Engine Type: 4-Stroke 208cc Single OHV.
- Output Shaft: 3/4-inch straight keyed shaft.
- Starting System: 110V electric and recoil.
- Output Power: 9.50 Foot-pounds gross torque.
- Control Technology: Specialized sub-zero intake system.
Briggs & Stratton 21R702-0070-F1 – 10.5HP 344cc Intek Vertical Engine
Briggs & Stratton Intek 21R702-0070 features a 344cc displacement and vertical shaft, providing a robust and efficient power source for mid-sized lawn tractors.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 10.5 Gross HP rating.
- Control Technology: Full pressure lubrication system.
Briggs & Stratton 21R702-0087-G1 – 10.5HP 344cc Vertical Engine
Briggs & Stratton 21R702-0087 features a robust 344cc Intek design and specialized vertical shaft, delivering elite performance for high-end residential lawn tractors.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 10.5 Gross HP rating.
- Control Technology: Spin-on oil filter included.
Briggs & Stratton 21R702-0089-G1 – 10.5HP 344cc Replace 219902-3015
Briggs & Stratton 21R702-0089 serves as a direct replacement for the 219902-3015 series, providing a seamless and powerful upgrade for residential turf equipment.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 10.5 Gross HP rating.
- Control Technology: Full pressure lubrication system.
Briggs & Stratton 21R707-0047-G1 – 11.5HP 344cc Vertical Engine
Briggs & Stratton 21R707-0047 features a 344cc OHV block and 1-inch shaft, providing a reliable and cost-effective repower solution for residential riding lawn mowers.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 10.5 Gross HP rating.
- Control Technology: Specialized splash lubrication system.
Briggs & Stratton 21R707-0079-F1 – 11.5HP 344cc Vertical Engine
Briggs & Stratton 21R707-0079 features 344cc performance and vertical shaft orientation, offering a smooth and efficient power source for mid-sized lawn tractors.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 11.5 Gross HP rating.
- Control Technology: Dura-Lube gear-driven system.
Briggs & Stratton 21R707-0086-F1 – 11.5HP 344cc Vertical Engine
Briggs & Stratton 21R707-0086 features 344cc performance and a 1-inch shaft, delivering a reliable and low-maintenance engine for residential and garden machinery.
- Engine Type: 4-Stroke 344cc Single OHV.
- Output Shaft: 1-inch vertical keyed shaft.
- Starting System: 12V electric starting system.
- Output Power: 11.5 Gross HP rating.
- Control Technology: Dura-Lube splash lubrication system.
BY BRANDS
- Briggs & Stratton (34)
- Honda (6)
- Kawasaki (58)
- Kohler (20)


















