Have not seen a set like that since the early 80's in my college dorm, all 200 of us guys... Never remember them breaking down, I do remember them being overloaded quite often but always seemed to work well.....
VERY early perf tub SQ. Even more rare is one with the porcelain tub as most commercial operators went for the more durable SS tub. A big plus is that the coin meter and vault are still in tact. These are some of a commercial washer's most valuable parts. Also, that dryer looks mint except for a slightly banged up cabinet.
WK78