1997 chevy 3500hd 15000 lb gvw has a 10 ton chevron back end it is a work horse new clutch and transmission in February tires are 1/2 to 3/4 still plenty left on them brakes just don all the way around truck runs great and pulls great. Only thing that i noticed recently is glo plugs or glo plug controller may be starting to go ounce its started it fires all day and will start with out any help just noticed its getting a bit hard 1st thing in the morning indication glo plugs are getting weak. Truck was just taken out of service so its time to find a new home any questions please just let me no