I've owned, & driven a couple of COE's around with the Unison Seat in them, & even though I like them, in my opinion, the bench seat is more comfortable. The Unison seat has me closer to the steering wheel.

Spanky Hardy
Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers

1948 Chevrolet 5700 COE Holmes HD W35 Wrecker
In the Stovebolt Gallery
More pictures on Photobucket

1950 GMC 250 1-Ton
In the Stovebolt Gallery