Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

The Regular Stuff: Chat, Buy, Sell, Off Topic, etc. => General Discussion - Scale Model Gas Engines - Hit & Miss - Throttle Governed - Non-Compression – etc => Topic started by: Stoker on February 15, 2026, 06:16:00 pm

Title: Re: Holt 4 cylinder Caterpillar tractor
Post by: Stoker on February 16, 2026, 08:15:40 am

Awesomeness!!!

Title: Re: Holt 4 cylinder Caterpillar tractor
Post by: Nick on February 16, 2026, 06:32:42 am

Don’t know how forgot about the one at Rollag

https://www.youtube.com/watch?v=CHgqhDu-jFU

Title: Re: Holt 4 cylinder Caterpillar tractor
Post by: Stoker on February 15, 2026, 08:41:24 pm

Wow Nick ..... That's really great!!!

Title: Re: Holt 4 cylinder Caterpillar tractor
Post by: Nick on February 15, 2026, 08:10:41 pm

We have one at a local show that pulls a plow every year, here it is pulling a grader after the plowing had been done

[attachimg=1]

Title: Holt 4 cylinder Caterpillar tractor
Post by: Stoker on February 15, 2026, 06:16:00 pm

Ran across a photo of a mining operation that was using a very early "Cat" that appears to have the 4 cylinder Holt engine like some of us have gotten from Jin in years past.

Just thought y'all might like to see the application of that beautiful model in real life:


[attachimg=1]