What is the difference between the John Deere STS12 and 410R?

Here is how the John Deere STS12 and John Deere 410R compare on John Deere's published specifications:

• Horsepower: John Deere STS12 300 hp vs John Deere 410R 310 hp
• Wheelbase: John Deere STS12 152 in. vs John Deere 410R 169.3 in.