The 2630 is also a larger tractor with a longer wheelbase more suited to running a 5' bush hog vs. 4' on the 2620. Also more suited to a 72" finish mower vs. 60 on the 2620. Some of the deluxe options are position control, hydrostatic steering,tilt wheel, telescoping 3 point arms, etc. Higher capacity loader more suitable to use a SSQA, etc.