What is the weight difference between the John Deere 7R 350 and 8R 370 Tractor?

The John Deere 7R 350 has a weight of 25133 lb. and the John Deere 8R 370 Tractor has a weight of 28000 lb., a difference of 2867 lb. The John Deere 8R 370 Tractor has the higher weight.