Keystone trucks were modeled after the Packard line that were well known on city streets. The "Packard” decal was attached to the front of each truck’s radiator.

Keystone manufactured fire trucks that with an air pressure pump located under the hood could squirt water. They also made  "Hydraulic Lift” dump trucks. Later, Keystone introduced the “Ride 'Em” series of toys.

They also manufactured a line of toys for Canadian sales these were labeled Richards