Ashok Leyland has taken a step for cleaner CEV engines. Prateek Pardeshi looks at the development aimed at gaining an early mover advantage.

The rollout of CEV Stage IV emission norms last year was deemed by many as the tipping point for manufacturers to deliver cleaner engines. Those like Ashok Leyland leveraged the Bharat Stage VI Research & Development (R&D) process and the learnings from the rollout of BSVI models to take an early mover’s advantage in CEVs. Dheeraj Hinduja, Executive Chairman, Ashok Leyland in a company release stated, “Ashok Leyland aims to make India’s CNG engine sector self-reliant, and to be one of the leaders in the ‘Make in India’ narrative.” Ashok Leyland showcased the CNG H-series four-and six-cylinder engine variants for its off-highway and CEV customers and launched it amidst much fanfare. At Excon 2k21, Ashok Leyland also displayed the six-cylinder A-series of diesel engine alongside. The company also displayed its aftermarket solutions including an Exhaust After Treatment System (EATS) at the trade fair. Speaking on improving fuel efficiency with the use of alternative fuels, Dr N Saravanan, Chief Technical Officer, Ashok Leyland Ltd. shared, “With the increasing need for better fuel efficiency and use of alternate fuels, we have a solid pipeline of such technologies.”

In the H-series four-cylinder CEV IV engine range, through three engines, the company will cater to power output requirements ranging from 74-130 hp at upto 2200 rpm. With all the three engines known to be suitable for scaling up to CEV Stage-V emission norms with SCR or DPF, the base engines are a testimony to the CV major being in the game for the long run. Offering the best-in-class power, these engines come with a 500-hours drain interval. Under its H series six-cylinder CEV Stage-IV range, the company will work with four engines on the desired power outputs. H4 airless EATS, DEF tank (airless), and H6 Air assisted EATS were on display too. The H series CNG engine stands out with the turbocharge resulting in a higher torque, ECU-controlled gas leak detection, improved cold-start capability, better fuel economy, durable engine valves and valve seats for CNG operation with better drivability, and claimed transient response. In the case of the A-series six-cylinder CEV Stage-IV engine, the company has the 300 hp A6C430022 and the 360 hp A6C436022 in its portfolio. ACI



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