http://www.kubotaengine.com/products/engines/vertical-diesel
https://www.perkins.com/en_GB/products/new/perkins/electric-power-generation.html
https://www.yanmar.com/global/engine/vertical_water-cooled_diesel_engine/
https://www.deere.com/en_US/products/engines_and_drivetrain/generator_drive/generator_drive_engine
https://jdpswarrantyreg.deere.com/WarrantyReg/
http://www.volvopenta.com/volvopenta/industrial/en-gb/Power_generation%20_engines/engine_range/Pages/p_powergen_engines.aspx
http://www.isuzu.co.jp/world/product/industrial/engines/na/index.html
http://www.psiengines.com/whatwedo/industrial-engines/
http://www.mitsubishi-engine.com/rev/s/industrial
https://www.scania.com/global/en/home/products-and-services/engines/our-range/power-generation-engines/configuration.html
http://www.engines.man.eu/global/en/index.html
http://www.fptindustrial.com/global/en/
http://stamford-avk.com/
