HAA 37807 doesn't say anything for me, someone else may recognize it .... what's needed is date codes as Tim says, the crank fingers are on the balancer I believe, which may or may not be original
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
