I'm thinking that it is a 1984, or newer, based on the fact that it is like the 1984 and newer HT23s. 1984 was the year that they changed the HT23's model number from 2389 to 2389s, with the 's' indicating that it came with Power Steering, Cruise Control and Auxiliary Hydro Cooler as standard equipment.
Now, something I've noticed when looking at some HT23 decal sets is a single one with just HT23 on it. It seems to be the same as the HDT1000 decal that is the front of my HDT's hood in the lower corner.
Did any of the HT23s come with a decal in that position, and if so, in what year(s)?
Heres a pic of the front of the HDT. The decal I'm talking about is on the lower right corner of the hood.
Edited by OldBuzzard, November 21, 2012 - 11:53 AM.