If you mean geared steam engines, they were used on all gauges. Most common were Shays, Climaxes, and Heislers.
Geared Steam Locomotive Works - Shay Heisler Climax Dunkirk Baldwin Willamette Bell Davenport Dewey More...
Sand was used for slippery rails.
Bruce
Geared Steam Locomotive Works - Shay Heisler Climax Dunkirk Baldwin Willamette Bell Davenport Dewey More...
Sand was used for slippery rails.
Bruce