DF-Helo stuff has just released a 1/48th Esslinger Airfield Tug (for Aircraft up to 10 tons) resin kit - ref. DF81848
https://www.sparks-scalemodelshop.de/p/esslinger-airfield-tug-1-48
https://www.aviationmegastore.com/esslinger-airfield-tug-for-aircraft-up-to-10-tons-df81848-df-helo-stuff-df81848-ground-equipment/product/?action=prodinfo&art=173971
Also in 1/72nd
https://www.sparks-scalemodelshop.de/p/esslinger-airfield-tug-1-72
V.P.