What is the fuel capacity difference between the John Deere 8RT 340 and 8RX 340 Tractor?

The John Deere 8RT 340 has a fuel capacity of 202 gal. and the John Deere 8RX 340 Tractor has a fuel capacity of 244 gal., a difference of 42 gal. The John Deere 8RX 340 Tractor has the higher fuel capacity.