July 6, 2026 What is the weight difference between the John Deere 9R 490 and 9RT 490? The John Deere 9R 490 has a weight of 40660 lb. and the John Deere 9RT 490 has a weight of 47326 lb., a difference of 6666 lb. The John Deere 9RT 490 has the higher weight.