Production Update: RETROL & OKMO D Type Stationary Engine Model | Stirlingkit
March 04, 2026The long-awaited RETROL & OKMO D Type Stationary Engine Model is officially moving into its next production stage.
We know many of you have been closely following this project, and today we would like to share a transparent update regarding its current manufacturing progress.
🔧 Assembly in Progress
After completing the majority of machining and finishing processes, components are now being gradually assembled.
Each unit is being assembled step by step to ensure smooth mechanical operation and stable ignition performance.
At this stage, we are carefully conducting test fits and mechanical adjustments before full ignition testing begins.
Two Wheel Trolley Production Update
The matching Two Wheel Trolley for RETROL & OKMO L-D Miniature Single-Cylinder 4-Stroke Stationary Engine Model is also currently in production.
The frame structure and wheel components are being processed and finished in parallel with the engine assembly to ensure compatibility and proper mounting alignment.
This trolley is designed to replicate the classic transport style of traditional stationary engines, making the full setup more authentic and display-ready.
📦 Estimated Delivery Timeline
If assembly and final quality inspection proceed smoothly:
Estimated shipping time: Mid to Late March
Orders will be shipped in chronological order.
Once your unit is dispatched, you will automatically receive tracking information via email.
Please feel free to contact us if you have any questions.