Posted by Eric B. on Monday, March 31, 2003 at 1:59PM :
In Reply to: Re: Firewall tag answer..... posted by bill on Monday, March 31, 2003 at 11:46AM :
L is considered light, but I have seen Ls on heavy duty trucks, and Hs on light duty trucks.
I do not think Dodge was very picky!
In any case, a D600 is a medium duty I think, but in 57 I think they only had light and heavy duty ratings.
Hope this helps.
Eric