Difference between HP, HP Range, and HP category are

• HP is the Power of One engine, for example, the New Holland 3230 NX is a 42 HP tractor.
• HP range is Lowest to highest HP in a brand/series, for example, John Deere tractors' HP range starts from 28 to 130 HP.
• HP category means grouping tractors based on their horsepower. Instead of saying the exact HP (like 35 HP or 50 HP), for example Swaraj 855 Fe tractor HP category is 41-50 HP.