Good points ! We used to rep NYK electrics, many moons ago. Parts from Chicago and all Japanese people there. We asked for a service guy to come down and give the techs a class on the trucks.A Japanese genlteman arrived and most of the morning the guys were mystified, where this shell was located. At lunchtime we established that shell meant the SCR controller. We did not learn much and it was a pity as they were good trucks.