John Deere LA115 Price, Specs, Reviews, Horsepower, Weight, Engine Oil Capacity, Attachments, History & Pictures John Deere LA115 Specs, Price, Reviews: John Deere LA115 Lawn tractor is equipped with Briggs & Stratton 31 gasoline 1-cylinder air-cooled, 499cc engine, which delivers 19.5 hp (14.5 kW) power. John Deere LA115 Lawn tractor attachments include 42" mid-mount … [Read more...] about John Deere LA115 Price, Specs, Review & Attachments