Years later, I photographed this former Mount Pleasant pumper at Monarch, PA. I'm not sure if it is either of the other pumpers I posted as I don't know how many 1991 International 4900/KME pumpers they had. When I shot the rigs at Mount Pleasant, I was not yet recording production numbers, so I have nothing to identify the two I shot there. I do know they had one that was GSO-1282.
Engine 28-1, Monarch, PA
1991 International 4900/KME
1250/1000
#GSO-1279
Engine 28-1, Monarch, PA
1991 International 4900/KME
1250/1000
#GSO-1279