Shows how to operate a tractor and install and mount equipment, such as a Bush hog mower. Also shows two large tractors. One is a tracked tractor, which is a tracked vehicle (also called a track-type tractor, tractor crawler, or track-laying vehicle) that runs on continuous tracks instead of wheels. The principal advantages of tracked over wheeled vehicles are that they are suitable for use on soft and uneven ground such as mud, ice and snow. Challenger makes the worlds largest tractors. Shows a typical agricultural Compact Utility Tractor CUT, which is generally smaller. Most tractors in general are fairly standard and similar. Also shows a large four wheel drive tractor (Challenger). Includes: Tractor tracked Track-type Big Challenger John Deere Case worlds largest transmission drawbar power takeoff system PTO mower bush Three-point hitch hog gear transmission throttle box High and low range cabin differential lock brake engine track clutch battery starter tire valve salt water Yanmar mount hydraulic control lever Allis-Chalmers computer GPS on-board Compact Utility Tractor CUT Kubota Ferguson Farmall pedals London Farm Science Review New Holland Ag, Case-Farmall Massey-Ferguson landscape garden automobile auto car Also see part 2