July 6, 2026 What is the weight difference between the John Deere 8R 540 and 8RX 440? The John Deere 8R 540 has a weight of 37377 lb. and the John Deere 8RX 440 has a weight of 50025 lb., a difference of 12648 lb. The John Deere 8RX 440 has the higher weight.