The machine-gun truck is similar except for the addition of gun racks under rear seat and on Commerce chassis.
CATERPILLAR TRACTOR WITH 3-INCH GUN MOUNTED ON IT.
ANOTHER VIEW OF CATERPILLAR TRACTOR WITH 3-INCH GUN.
CATERPILLAR TRACTOR MOUNTING AN 8-INCH HOWITZER WHICH HAS A RANGE OF 6 MILES WITH A PROJECTILE WEIGHING 200 POUNDS.
LIGHT REPAIR TRUCK ON DODGE CHASSIS.
Special body with tools for making minor motor repairs.