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Retrofit Emission Technologies

Discover RAS & RECD

Cummins India’s RAS and RECD are retrofit solutions for CPCB I & II gensets, designed to meet new emission norms. RAS uses DOC and DPF to cut PM, CO, and HC by up to 90%, while RECD uses filterless electrostatic tech to capture over 70% of PM. Both are compact, low-maintenance, and ARAI-approved.

CHALLENGES

The Issue?

Emission Regulations
Tighter norms demand lower PM, CO & HC levels legacy gensets struggle to comply.

PM Output
Older engines release harmful PM that directly impacts air quality and health.

Manual Solutions

Usual cleaning, silencer fixes, offer inconsistent performance & frequent choking.

Maintenance & Downtime

Non-certified retrofits increase backpressure, reduce efficiency & create downtime.

Wastage & Costs
Unregulated combustion leads to wasted fuel & higher operating expenses.

Compliance Risks

Non-compliance leads to penalties, shutdowns in urban & industrial zones.

SOLUTION

Product Line

Cummins offers two purpose-built retrofit technologies engineered for clean emissions and long-term reliability.

RAS – Retrofit Aftertreatment System

A compact, highly efficient device using Diesel Oxidation Catalyst + Particulate Filter technology, reducing PM, CO & HC emissions up to 90%. Perfect for customers wanting certified, near-zero-emission performance with minimal maintenance.

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RECD – Retrofit Emission Control Device

Built on filterless Electrostatic Precipitation technology, RECD captures PM with 70%+ efficiency without choking or regeneration. Ideal for users needing low backpressure, maintenance-free, all-weather performance for diverse DG usage conditions.

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PROCESS

How It Works

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Engine exhaust enters a Diesel Oxidation Catalyst that breaks down CO and HC.

Exhaust then passes through a Particulate Filter, trapping fine PM particles.

Cleaned exhaust exits with emissions reduced up to 90%.

No fuel additives required and minimal impact on engine performance.

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Exhaust enters the Electrostatic Precipitator chamber.

Charged plates attract and hold particulate matter without the use of filters.

No choking occurs, eliminating the need for cleaning or regeneration.

Collected PM can be reused as raw material in paints, dyes, plastics.

KEY BENEFITS

Technology Features

High Emission Reduction

– RAS: Up to 90% PM, CO, HC reduction
– RECD: 70%+ PM reduction using filterless ESP technology

VIEW

Walk Through Videos

RAS

RECD

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