Side Radiators tend to pick up a lot of junk thrown from the rear wheels.
Side Radiators use 25-75 horsepower to operate
Side Radiators depend solely on the hydraulic driven motor (Something to go wrong)
Side Radiators do allow for improved motor access
Side Radiators do provide improved cooling due to larger radiator area
Side Radiators have more initial cost
Side Radiators eat up potential storage
Side Radiators add more weight to one side of coach
Rear Radiators use natural air flow under the moving vehicle to assist with cooling
Rear Radiators are protected from road rocks
Rear Radiators are initially less expensive