Used ferris 61 diesel engine zero turn riding mower. 33.5hp caterpillar diesel engine. Unit operates as it should. Please contact nathan in sales with any questions at 614-729-2833.The item “Used Ferris 61 diesel engine zero turn riding mower” is in sale since Thursday, April 02, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Riding Mowers”. The seller is “buckeye_power” and is located in Blacklick, Ohio. This item can’t be shipped, the buyer must pick up the item.