Marco, my only experience with the NV4500 was an upgrade in an early Bronco from an NP435. At the time it required a bazillion $$ Atlas adapter. Besides the New Venture adding OD, it shifted way easier than the New Process. In the EB application the NP shifter comes out under the dash so it requires some hard bends in the handle that make finding gears a challenge. Maybe I need some experience with a Toyota tractor tranny?
My Hilux 4 speed is a dream to shift.