Miscellaneous Road Rail vehicles that have been created by adding rail wheels to a pre-existing road vehicle, for various reasons.

A road–rail vehicle is a dual-mode vehicle which can operate both on rail tracks and a conventional road. They are also called hi-rail, from highway and railway, or variations such as high-rail, HiRail, Hy-rail, etc. They are often converted road vehicles, keeping their normal wheels with rubber tires, but fitted with additional flanged steel wheels for running on rails. Propulsion is typically through the conventional tires, the flanged wheels being free-rolling; the rail wheels are raised and lowered as needed. 

For years the trade name "BRUFF" has been well known for the little Bedford road-rail vehicles that bounce over the track, lower turntable, align with rails then move off towards the incident and today although NONE of this fleet of 30 vehicles is currently registered to operate on the national system 4 exist in use on depots/yards and others have been preserved.

BRUFF also converted some other vehicles for road-rail use.

Landrover road rail vehicles.

Multicar is a small, specialized multifunctional equipment transporter manufactured at the Hako GmbH factory in Waltershausen, Germany. Multicar is the only brand that has survived from the East German IFA vehicle industry which still produces its own vehicles.

In 1920 the present company was founded as the ADE works (named after Arthur Ade). It produced agricultural equipment, trailers and clutches. After the Second World War, production was resumed in 1946 under the name "Gerätebau Waltershausen".

In 1948 the company was renamed VEB Fahrzeugwerk Waltershausen, a name it retained until its privatization in 1991. In 1956 production began on the DK 3 diesel cart (also known as the Diesel Ant, ants being hard-working). This had been developed in the Ludwigsfelde works and was actually an Electrocar with a diesel engine. Two years later, the first Multicar, the M21, was produced. By 1964, 14,000 units had left the factory in Waltershausen. For the following ten years the M22 mini truck left the production line, with 42,500 vehicles built. Until 1978, its successor, the M24, was produced with 25,600 vehicles leaving the factory, 48% of which were exported. The M25 was a major export; 70% went to the Comecon states and the West. The M25 had an IFA-built diesel engine with 33 kW (45 PS)

In 1991, the state-owned factory was privatized, becoming Hako-Werke GmbH (Hako Works, Hako being short for Hans Koch & Son). The crucial driving force behind the turnaround - and after reunification - was the former director of materials management at Multicar, Manfred Windus, who was honored in 1993 as manager of the year. From 1993 to 2009, the M26 was produced.

Unimog is a range of multi-purpose all-wheel drive medium trucks produced by Daimler AG (formerly Daimler-Benz) and sold under the Mercedes-Benz brand.

The Unimog road-railer version is used for shunting, maintenance and cleaning tasks. Railway companies, operators of metros and city railways (as well as service providers in track construction and maintenance) can deploy the implement carrier easily as its road and wheels allow it to go almost anywhere on their networks.