Deere 768L-II is 3 ft 1 in longer than Deere 648L-II — 29 ft 9 in vs. 26 ft 8 in, a 12% difference.
Deere 648L-II and Deere 768L-II stand about the same height, both around 11 ft 0 in.
Deere 768L-II weighs 51% more than Deere 648L-II: 52,245 lb vs. 34,500 lb.
Deere 648L-II runs 190 hp; Deere 768L-II runs 281 hp.
