Voith 854.5 MAN Lions City

Reliable Power Delivery for the MAN Lion’s City

For workshops specializing in the maintenance of city and intercity buses, the Voith DIWA.5 transmission is a hallmark of longevity and efficiency. Specifically, the 854.5 variant (model D3VT0R2-8.5), listed under MAN part number 81.33001-6694, is a critical component for many European transit buses.

Technical Characteristics of the DIWA.5 Generation

The Voith 854.5 is a 4-speed automatic transmission based on the proven principle of the hydro-mechanical power-split differential converter. This technology allows part of the power to be transmitted mechanically and part hydraulically in first gear. The result is smooth acceleration without any interruption in tractive force—a vital factor in dense urban traffic.

A major advantage of this model is the integrated high-performance retarder. It significantly reduces the load on the bus’s service brakes, which extends the maintenance intervals for brake pads, especially during the frequent stop-and-go cycles of scheduled bus services. The “D3VT0R2-8.5” version is precisely calibrated to the torque curves of MAN engines (often the D2066 or D0836 series).

Application in the MAN Lion’s City A20

The spare part featured here originates from a 2010 MAN Lion’s City A20 (NÜ). The A20 is designed as a “Low Entry” intercity bus, utilized for both suburban transit and longer routes. In this type of vehicle, the transmission must provide the dynamics required for rural roads while maintaining the robustness needed for frequent bus stop intervals.

Buses from the Lion’s City series manufactured between 2005 and 2015 are currently in operation worldwide. While they are often decommissioned in Germany after ten to twelve years, their “second life” begins in Eastern Europe, Central Asia, or Africa. In these regions, the availability of tested used parts like the Voith 854.5 is essential, as new transmissions often exceed the residual value of the vehicle or are simply no longer available on short notice.

Used Original Parts

The transmission with part number 81.33001-6694 offers an exact fit. Replacing a unit with an identical used part from a vehicle salvaged due to an accident or body damage not only saves costs but also ensures that the electronic control unit (often featuring SensoTop) communicates seamlessly with the MAN bus’s onboard electronics without complex reprogramming. For mechanics worldwide, this component is a guarantee that proven bus fleets remain safely on the road for many thousands of miles to come.

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