FARM EQUIPMENT o LOOK INSIDE SEE HOW THE STANDARD TRACTOR WORKS 8 O o SEE HOW SOME OF THE MOST POWERFUL TRACTORS WORK 14 o oSEE HOW TRACTORS PREPARE THE GROUND FOR CROPs 18 o Content Editor Michael Flaherty Content Consultants Paul and Denise Fantozzi
O LOOK INSIDE SEE HOWA COMBINE HARVESTER WORKS 20 LOOK INSIDE SEE HOW A HAY BAILER WORKS 260 o SEE ALL THE DIFFERENT SHAPES SIZES OF TRACTORS 320
STANDARD TRACTOR Around the farm farmers need machines that can perform many different roles from pulling trailers to clearing out milking sheds The machine that fits this job is the tractor It can lift and drag heavy objects around the farmyard and is also tough enough to drive across rugged countryside in all weather conditions The driver's cab is fitted with a tough roll cage to protect the driver if the tractor should tip over Many gears Tractors have to be ablet to drive over many different surfaces including dry farmyards and muddy fields To handle these tractors have many gears to help deliver the power needed from the engine to the drive shaft and the wheels Some tractors have 18 forward gears and Six reverse gears Front wheels The front wheels of this tractor are much smaller than its rear wheels These small front wheels are not powered by the engine but are just used for steering OHANDY MACHINE Tractors like this one above can be seen on farms all over the country being used to clear land plow plant or harvest depending on what tool is attached Chunky wheels The big rear wheels with their chunky tread help the tractor to drive over uneven ground They also spread the tractor s weight over a larger area This stops it from squashing the soil which could harm a growing
EL OLE Cushion comfort Some cabs have seats that have air filled Cushions These cushions absorb knocks and jolts giving the farmer a more comfortable ride Attachment points Farm machines such as plows and seed drills are connected to attachment points on the tractor The hydraulic linkage can be raised and lowered to hold the machine at the correct height The power takeoff PTO transfers power from the tractor to the
