The John Deere 8000 series of tractors are a line of heavy-duty agricultural machines that have been in production since 1982. They come in a variety of sizes, ranging from the smaller 8100 to the larger 8400 models, and feature 4-cylinder diesel engines ranging from 108 to 168 horsepower. They are known for their versatility and their ability to handle a wide variety of tasks, from harvesting to mowing to tilling. They also feature a full range of attachments, making them a great choice for small-scale commercial farming operations. The John Deere 8000 series of tractors are highly reliable, with a strong and sturdy frame that is built to last for years to come.