Yeah, really. As they say, they're just like buses - another one will be along presently.
They had an accessory I'd never seen before. Some sort of a timed pre-heater - Metabo? Metaxa? Started with an H, maybe? It was in a side locker underneath the bus, and it had an alarm-clock front end in the dash. You coudl set it for a time and it would fire up (burning tank diesel) and heat and circulate the engine coolant. Nice touch.