Wilbur Sandison photographer, circa 1925
The trucks were either 5 or 6 ton, and had about 30hp
"When Kelly introduced their own water cooled engine in 1912 they became Kelly-Springfield. This was also the year the Renault-style hood with the radiator behind it was introduced also. K-S built trucks ranging from one to six tons. By 1929 Kelly-Springfield trucks were gone."