Blog/Top companies
20 January 2026
Top 10 Diesel Generator Manufacturers in India
Explore 10 leading diesel generator manufacturers in India. Compare company profiles and product ranges, then contact suppliers directly on Kompass.
AP
Akshay Parmar
Overview: Diesel Generator Industry in India
India’s diesel generator industry plays a critical backup power role, especially given the country’s historically inconsistent grid reliability. Diesel generators are widely used across data centers, hospitals, manufacturing plants, infrastructure projects, telecom towers, and commercial buildings. The sector is tightly regulated under Central Pollution Control Board emission norms, driving technological upgrades toward cleaner, quieter, and more fuel-efficient gensets, while demand remains resilient across industrial and emergency power applications.
Top 10 Diesel Generator Manufacturers in India
1. Cummins India Limited
Cummins Incorporated, established in 1919 in the United States of America, is a global power manufacturer offering diesel engines and Diesel Generator solutions. The company serves industries including construction, healthcare, data centers, mining, and infrastructure. With a strong Indian presence through Cummins India Limited, it is considered a top diesel generator manufacturer for engineering excellence, reliable performance, broad product portfolio, and extensive after sales support.
2. Mahindra & Mahindra Limited (Powerol Div.)
Mahindra Powerol, part of India’s Mahindra & Mahindra Limited, entered the power generation business in 2001-02 and is headquartered in India. It manufactures a wide range of Diesel Generators from 5 kVA to 625 kVA, serving sectors such as telecom, construction, banking, healthcare, hospitality, and manufacturing. With strong dealer reach, global exports, quality awards, and reliable, efficient products, it is regarded as a top diesel generator manufacturer in India.
3. Kirloskar Oil Engines Limited
Kirloskar Oil Engines Limited, founded in 1946 in India, manufactures a wide range of diesel engines and Diesel Generators along with power gen solutions for sectors including construction, agriculture, healthcare, infrastructure, and manufacturing. With over one million gensets in service, indigenous design, stringent emission compliance, and a vast service network, the company is a top diesel generator manufacturer known for reliable performance and broad industrial applicability.
4. Ashok Leyland Limited (Leypower)
Ashok Leyland Limited, founded in 1948 and headquartered in India, offers a dedicated Power Solutions division manufacturing a wide range of Diesel Generators (CPCB4+ compliant gensets from about 15 kVA to 250 kVA) and marine genset engines for industries such as construction, telecom, healthcare, data centers, and infrastructure. As part of a major automotive and engine maker, it is a top diesel generator provider due to rugged performance, fuel efficiency, and extensive service reach.
5. Caterpillar India Private Limited
Caterpillar Incorporated, established in 1925 in the United States of America, is a global leader in construction and mining equipment, diesel and natural gas engines, and power solutions, including high-performance Diesel Generators for standby and prime power applications. Serving industries such as construction, data centers, manufacturing, and infrastructure, Caterpillar is considered a top diesel generator manufacturer due to its century-long engineering excellence, global dealer network, and reliable, fuel-efficient power systems.
6. Greaves Cotton Limited
Greaves Cotton Limited, established in 1859 in India, is a diversified engineering firm producing diesel engines and Diesel Generators alongside auxiliary power products, automotive and farm equipment for industries such as manufacturing, infrastructure, telecom, healthcare, and commercial facilities. With a legacy of over 165 years, strong engineering heritage, broad genset range compliant with emission norms, and extensive dealer support, it is recognised as a top diesel generator manufacturer.
7. Sudhir Power Limited
Sudhir Power Limited, founded in 1973 and headquartered in India, is a leading manufacturer of Diesel Generators and comprehensive power solutions including silent DG sets, gas gensets, transformers, and electrical panels for industries such as telecom, data centers, manufacturing, infrastructure, hospitality, and pharmaceuticals. With over five decades of experience, extensive manufacturing facilities, strong partnerships, and a wide installed base, it is recognised as a top diesel generator provider in India.
8. Jakson Engineers Limited
Jakson Group, founded in 1947 and headquartered in India, is a diversified energy and engineering firm manufacturing a comprehensive range of Diesel Generators and silent gensets for industrial, commercial, infrastructure, healthcare, telecom, and residential sectors. With over 75,000 customers, state-of-the-art plants, CPCB IV+ compliant gensets, and a strong service network, it is recognised as a top diesel generator manufacturer in India.
9. Sterling & Wilson Private Limited
Sterling and Wilson’s power solutions business, part of the Sterling and Wilson Group founded in 1927 in India, manufactures a wide range of Diesel Generators (7 kVA to 3300 kVA) and customised power systems for industries including infrastructure, telecom, industrial projects, data centers, and commercial facilities. With one of Asia’s largest genset plants, global installations, advanced technology, and strong service support, it is recognised as a top diesel generator manufacturer.
10. TAFE Motors & Tractors Limited (Eicher Engines)
TAFE Motors and Tractors Limited (TMTL), established in 2005 as a wholly owned subsidiary of Tractors and Farm Equipment Limited in India, manufactures diesel engines and Diesel Generators (5 kVA to 125 kVA) under the Eicher and TMTL brands for sectors including industrial, commercial, telecom, healthcare, hospitality, and construction. With a strong customer base, innovative engine technology, fuel-efficient gensets, and extensive service support, it is recognised as a top diesel generator manufacturer.
Start with Kompass.
Find suppliersSearch millions of B2B companies and connect with the right suppliers for your business.
Find suppliersList your companyGet your company in front of buyers around the world who are already looking to source.
List your company© 2026 Kompass India. All rights reserved.