Toro - 19 horse power Koedler engine
Cub Cadet - 19 horse power Koedler engine
Troy - 18.5 horse power Koedler engine
John Deer - 19 horse power Straggs engine
Lawn Boy - 19 horse power Honda engine
All lawn mowers are 42 inch cut zero turn radius and come from a major retailer like Lowe's and Home Depot. Is it better to purchase a lawn mower directly from the company dealer (ex. buy a John Deer from a John Deer dealer) and which one of these lawn mowers will be the most durable?