HomeCommercial VehiclesTata becomes first to get BS6 certified CNG engine for CVs

Tata becomes first to get BS6 certified CNG engine for CVs

As India gears up for BSVI industry standard, which come into effect in India from April 1, 2020, Tata Motors has acquired a BS6 Type Approval certificate for its 3.8L NA SGI CNG engine (i.e., without turbocharger) from ARAI (Automotive Research Association of India). The engine max power of 85 Ps @ 2500 RPM with max torque of 285 Nm @ 2500 RPM.

In the run up, Tata Motors becomes the first to get BS6 certification for a naturally aspirated CNG engine for CVs. This is for tailpipe mass emissions and On-Board Diagnostics (OBD) compliance as mandated. Tata Motors’ 3.8 NA SGI CNG engine will power 4T to 9T GVW buses and trucks, i.e., 407, 709 and 909 which are now offered as BSIV compliant vehicles.

Image used for representation.

Upgrading from BSIV to BSVI brings together complex engineering, technological advancements and infra and facilities upgrades to bring about development. The capital intensive process requires long lead execution periods. Tata Motors “Emission Test Facility” has been installed at the Power Systems Engineering Division (PSE), in ERC, Pune, and is an important step in BS6 implementation for the auto manufacturer.  

Combustion in the Tata Motors’ 3.8 NA SGI CNG engine occurs at stoichiometric conditions with sequential gas injection technology. Exhaust after-treatment system features three-way catalytic converter to lower pollutants below regulatory limits.

The new CNG engine.

Rajendra Petkar, Chief Technology Officer (CTO), Tata Motors said, “This BS6 engine certification milestone has been achieved with intense design and development focus, by leveraging in-house capabilities and those of our technology partners.

We have worked hard to build a leadership position in the market by providing our customers with economical, best-in-class natural gas vehicle products in the commercial vehicle market and this development of BS6 solution will further re-inforce our market offering.”

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