Tigercat 635H is 5 ft 2 in longer than Tigercat 615C — 31 ft 3 in vs. 26 ft 1 in, a 20% difference.
Tigercat 635H stands 0 ft 3 in taller than Tigercat 615C: 10 ft 7 in vs. 10 ft 4 in.
Tigercat 615C weighs 2% more than Tigercat 635H: 43,000 lb vs. 42,000 lb.
Tigercat 615C runs 220 hp; Tigercat 635H runs 230 hp.
