These two Topeka Hiway mowers, built by the American Hoist and Derrick Company, are for sale. The second one shown has an original mower, which is rare to find.

1: https://inlandempire.craigslist.org/grd/d/moreno-valley-topeka-hiway-mower-hs5/7764505490.html

“Serial #2278 – 9772 Miles / 1311.4 Hours
* Unit Does Not Run & Does Not have the Mower *
* 4×4 Stick Shift
* 4 Cylinder Flat Head
* High/Low Transfer Case
* Front & Rear Differential
* Has pumps.
* Willy’s running gear

Units were designed for off-highway mowing.
# Could be used with tractor implements or build a custom 4 wheel unit.
# Would also make a good flail mower or a mobile log splitter.

2. https://inlandempire.craigslist.org/grd/d/moreno-valley-topeka-hiway-mower-hps5/7764505277.html

– Serial #2257 – 121.6 hours
* Unit Does Not Run *
* 4×4 Stick Shift
* 4 Cylinder Flat Head
* High/Low Transfer Case
* Front & Rear Differential
* Has pumps

* Willy’s running gear
Units were designed for off-highway mowing.
# Could be used with tractor implements or build a custom 4 wheel unit.
# Would also make a good flail mower or a mobile log splitter.