Tractors Capabilities Depends on Horse power and Their Engine. More Number of Horse power means Tractor is more capable. There are many Branded Tractors Company in market but John Deere Tractors has make a special space in Market. In Market John Deere Tractors Comes in series in market in the Range of 36 Hp to 55 Hp 5D series are very famous. These 5D series John Deere tractors are multi utility in nature, perfect in both agricultural applications as well as heavy duty These tractors offer higher comfort in terms of wider operator station, neutral safety switch , and lower maintenance cost.