Hatz 4H50TIC available as ready-to-install "Open Power Unit"

The new water cooled Hatz 4H50TIC is available as a ready-to-install Open Power Unit (OPU)

The complete system includes the engine and all necessary parts for cooling. From customer side only instrument box, fuel lines and battery need to be provided.

In order to meet the strong customer demand for a ready-to-install plug & play solution of the new water-cooled 55 kW engine, Hatz offers the 4H50TIC now as an "Open Power Unit". In addition to the standard scope of delivery of the engine, all parts which are required for the operation of the engine are delivered with the 4H50TIC OPU. These include a radiator and intercooler mounted vibration-decoupled, as well as the appropriate tubing and wiring harness. All parts are installed in the factory during the production process. Thus, the customer only needs to connect tank, pre-filter and pump as well as air filter, battery and control box.

During the development of the OPU, special attention has been paid to the fact that the OPU can be used with a wide range of applications. Therefore, the OPU is already available in lot sizes of one piece. The main application areas of the 4H50TIC OPU are primarily working machines such as hydraulic lifts, hydraulic power units, forestry machinery, drilling rigs and stationary applications such as pumps and generators. The cooling is adapted to a temperature range of up to 46 ° C. Different radiators respectively other temperature ranges are possible depending on customer requirements.

The 4H50TIC as OPU meets the strict emission regulations of stage IIIB in the EU as well as EPA Tier 4 final in the USA. Both emission standards are being achieved without the use of a diesel particulate filter (DPF). The after treatment is merely limited to a DOC (diesel oxidation catalyst). Based on legal or customer requirements, for example in urban areas, the power unit, however, can be configured and supplied with a separable DPF.

In addition to the flexible use, the 4H50TIC OPU is also characterized by the known attributes of the basic engine. The extremely light weight of the base engine is reflected, of course, in the weight of the complete package. With 255 kg the complete package weighs just 82 kg more than the base engine. In addition, the box dimensions with 699 mm in width, 935 mm in length and 807 mm in height allow flexible installation even in restricted installation space.

The 4H50TIC was first presented in 2013 at the Bauma in Munich and series production started in January 2014. The engine, which was developed according to a new ground-breaking downsizing approach is distinguished by its robust construction and functional simplicity. With its 2-valve technology in conjunction with a camshaft in block and maintenance free hydraulic lifters, the engine reaches low internal friction values​​. In addition, a generously sized oil pan and filter allow a service interval of 500 hours. In particular, the engine sets new standards in its class in terms of power to weight ratio and fuel efficiency.

The development of 4H50TIC is funded by the Federal Ministry of Economics and Technology based on a decision of the German Bundestag.

Technical data





Displacement [ccm / cu.in.]

1,952 / 119

Valves per cylinder


IFN power [kW/HP]


2300 rpm


2400 rpm


2500 rpm


2600 rpm


2700 rpm


2800 rpm

Power generator set IFN [kW/HP]


1500 rpm


1800 rpm


Direct injection, turbo charged, intercooler and external cooled EGR

Injection system

Bosch Common Rail OHW, max. 1800 bar

Compression ratio


Lower idle speed[rpm]


Maximum speed (idle) [rpm]


max. torque [Nm@rpm]

240.0 @ 1600 – 2100

Weight [kg / lbs]

173 / 381

Gross weight OPU [kg / lbs]

255 / 562

Cooling system

Water cooling

Best fuel consumption [g/kWh]

210 (incl. fan and alternator)

Emission level

EU 97/68 Stage IIIB, US EPA TIER IV final

Exhaust after treatment

Oxidation catalyst, DPF optional

Size (h / w / l) [mm]

807 / 699 / 935

Stephan Gritsch

Stephan Gritsch

Marketing Communications Team Leader, Motorenfabrik Hatz GmbH & Co. KG

Elena Lechner

Elena Lechner

Corporate Communications, Motorenfabrik Hatz GmbH & Co. KG

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About Motorenfabrik Hatz GmbH & Co. KG

At Hatz, we create benefit-driven solutions worldwide. As a strong partner, we enable machine manufacturers and operators to master their core tasks more easily and efficiently. Hatz is a renowned manufacturer of industrial engines and power units. We also offer innovative digital products and services. Our excellent solutions constitute the centerpiece of a wide variety of equipment and machines.

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