[sassgrunt]

I thought somebody would have responded to you about it by now. I don't have the WPL truck, but do have the JJRC one, (looks exactly the same, but I don't know if it is). I'll give you dimensions of the cab for the JJRC and the Hwy 61 GMC. Length from rear of cab to front of grill: JJRC is 6-1/2" and Hwy 61 is the same. Width at fenders: JJRC is 5" and Hwy 61 is 4-1/8". Height from bottom of running board to top of cab: JJRC is 3-1/2" and Hwy 61 is 3-3/4".
I'm actually surprised, because I would have guessed that the Hwy 61 truck was bigger. A lot of the 1/16 tank folks use the Hwy 61 trucks (repainted in German colors) and none of them have ever complained about them being too small, so I'm guessing that they probably ARE pretty close to 1/16 scale. -Mike