About John Deere 5105.   The John Deere 5105 is a compact utility tractor manufactured by John Deere. It is part of the 5M series and is designed for small to medium-sized farms and property maintenance. It has a 40 HP diesel engine and features an 8F/4R PowerReverser transmission, which allows for easy and smooth gear changes without the need for a clutch. It also has hydrostatic power...