The first tractor my grandfather purchased was an Allis Chalmers RC

Some information on the RC

Here it is being delivered to the farm

It can't be too old yet since the picture is dated 1940, the little under-hood muffler
must have been annoying so they added a pipe to clear the air for the driver.

This angle shows the FMK magneto nicely

Here with a brand new drill, rifle, and guard dog, Grandpa is ready for most anything.

Here pulling a binder in 1942

This tractor was traded in on the 1944 WC I now have.
We don't know it's serial number so there's no way to track it down.
I bought a pile of parts that hopefully can be assembled into an RC