News 2026.09 - Cologne K4000
Ladies and gentlemen, dear friends of the Halling company!
Two weeks ago, we presented the first car number, 4078, of the new Cologne K4000 tram system. Today, we would like to present the second car number, 4050.
© Halling Modelle
KK4_Doppeltraktion
Double traction
The K4000 locomotives are frequently used in double traction in real life. Our set consists of one motorized and one unmotorized model – each with its own operating number
Note : When operating in double traction on inclines, it is recommended to couple two motorized models.
Set offer (1 x motor + 1 x static model)
Buy two models and get 10% off.
Two models – one strong team!

Work on the print template and labels is already underway. We would like to give you a brief glimpse into the current progress with a few photos

Technical specifications:
• Minimum radius 360 mm
• Coupling capability
• Removable bumpers
• Buffers with car number
• Motorized with two ALX motor bogies
• NEM651 interface
Your wishes are needed!
What goals, lines, or variants would you like to see for future K4000 models?
We welcome your suggestions!
We would like to sincerely thank all customers who have already placed a pre-order. We appreciate your orders. Thank you for your trust and your suggestions! Your Halling Team






