I spotted this Unimog U1550L on a Benz World forum It looks like an interesting custom build, though one of the forum members questioned the wisdom of building a rigid body on a flexible chassisHere is the complete list of the used Unimog u1550l firetrucks & other public Service vehicles for sale If you are interested in any of the above used Unimog u1550l firetrucks & other public Service vehicles for sale, click on the checkbox next to the advertisement and add it to your favourites or compare with other interesting offers1991 Unimog U1550L/37 DokaThis is a custom built U1550L/37 with a top speed of 70 MPHThis Unimog is equipped with the followingHeavyduty axles with highspeed ring and pinionCTIS