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Cummins 20 kVA Diesel Generator Price & Specs

The Cummins C20D5P 20 kVA diesel generator is a premium power backup solution engineered for the Indian market's demanding conditions. Featuring a 20 kVA rated capacity (16 kW at 0.8 Power Factor), this single-phase 230V generator is built to bridge the gap during summer peak demand failures and scheduled outages in Tier-2 and Tier-3 cities. It is powered by a 3-cylinder, water-cooled X2.7T-G1 engine that ensures high fuel efficiency with a consumption rate of just 3.5 L/hr at full load. This unit is particularly suited for commercial clinics, petrol pumps, and large residential bungalows that require a high starting current for pumps or motors. While its open-frame design makes it better suited for dedicated generator rooms or industrial zones to comply with local RWA noise restrictions, its 75 dB @ 7m rating is competitive. Safety is prioritized with features like low oil shutdown, over-temperature protection, and a robust circuit breaker. As a CPCB-II compliant model, it meets the latest Indian emission norms, providing a sustainable alternative to older, non-compliant diesel sets. With a 50-litre tank providing up to 20 hours of runtime at half load, it offers significant operational reliability over battery-inverter systems that struggle with long-duration outages common during the monsoon or peak summer months.

Quick Answer

Yes, with Cummins' extensive service network across India and the C20D5P's CPCB-II compliance, it is a high-value investment for anyone needing a 'fill-it-and-forget-it' solution for heavy-duty power backup.

✓Backup for 24/7 medical clinics with cold-chain vaccine storage
✓Prime power for remote highway petrol pumps and dhabas
✓Emergency standby for construction site offices and lighting masts

Open-frame models like the C20D5P offer better value for industrial users who have isolated spaces or existing generator rooms, as they are more cost-effective and easier to service than acoustic-enclosed 'silent' models.

✓ Who Should Buy

  • •This generator is primarily purchased by owners of large residential bungalows, petrol station operators, medium-sized retail showrooms, and construction contractors who need reliable on-site power for tools and temporary offices.

✕ Who Should Avoid

  • •Spaces or usage requirements exceeding residential rated capacity.
  • •Installations prioritizing minimum capital expenditure over high-efficiency performance.
  • •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
  • •Environments incompatible with generators physical and thermal dissipation specs.
Product Overview
The Cummins C20D5P is a heavy-duty 20 kVA open-frame diesel generator designed to tackle the chronic power-cut challenges faced by Indian businesses and large residences. Powered by the reliable 2.27L X2.7T-G1 turbocharged engine, this 1500 RPM unit delivers a rated output of 20 kVA (approx. 16 kW), making it ideal for managing load shedding from DISCOMs like MSEDCL or BESCOM. As an open-frame unit, it provides excellent cooling for continuous duty at construction sites or industrial yards, while ensuring strict CPCB-II emission compliance for environmental safety within India.

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Engineering Analysis
The C20D5P leverages the X2.7T-G1 engine platform, a 4-stroke turbocharged workhorse with a displacement of 2.27 litres. The mechanical governor maintains a steady 1500 RPM to ensure frequency stability at 50Hz, which is critical for sensitive Indian electrical grids. Its brushless alternator with copper winding and Class B insulation provides high thermal resistance, essential for the high ambient temperatures of the Indian subcontinent. The 1090 kg steel frame is designed for durability and vibration dampening, while the analog control panel provides clear visibility for voltage and hour tracking.

Technical Support & FAQs