Which oil for model steam engines?
By the Atkinson Oil Co. product team (IGNIS Overseas Ltd, Isleworth, UK). Claims reviewed by IGNIS Product & Compliance on 14 Nov 2026. Last updated: 14 November 2026.
Short answer. A compound steam oil for the cylinder lubricator, in the grade the engine's maker or club specifies. Atkinson Oil Co. makes Compound Steam Oil in 460 and 680 grades; fill the displacement lubricator as the maker directs.
Key facts
- Product: Atkinson Oil Co. Compound Steam Oil 460 / 680
- What it is: Compound steam cylinder oil, 460 and 680 grades
- Made for: Model steam engine cylinder lubricators
- Not for: Motion work and axleboxes (use a light oil)
- Who makes it: Atkinson Oil Co. is a brand of IGNIS Overseas Ltd, Isleworth, UK; Made in Britain
How to do it
- Drain condensate from the lubricator.
- Fill with steam oil.
- Run the engine as the maker directs.
When to choose something else
- Motion work: PTFE Model & Hobby Lubricant.
Common mistakes
- Using motor oil in the lubricator.
FAQ
460 or 680? The grade your engine's maker or club specifies.
Sources
Printed product label; Your equipment maker's manual