Precision for Excellence

Leading expertise in auto ancillary products for over 70 years has enabled the GNA name synonymous with exceptional service, quality and zero defect enabling precision.

Precision for Technology

GNA Gears is reputed for its cutting edge technology, established quality processes and capabilities owed to a legacy of perseverance and forward looking attitude.

Precision for Quality

Leading OEM’s like Caterpillar, JCB, Arvin Meritor, Mahindra & Mahindra, TAFE and several others source most of their complex gear requirements from GNA Gears.

Precision for Good

Our growing markets and customer base worldwide is ample indicator of our continuous and consistent strife: to deliver precision in all that we do.

Our Manufcturing


Ring Rolling forging - GNA Gears

Ring Rolling

Rings rolled precisely & seamlessly in various sizes, shapes and materials for the highest demands.

Forging - Upsetter forging


Our range is 500, 800 & 1200 Ton. Upset Forging with capacity up to 13″ is just one of many forging processes available at GNA Gears.

Forging - Drop Hammer forging

Drop Hammer

We have  2 Ton Hammer, Belt Type Hammer. Hydro-pneumatic & Pneumatic drop hammers with 4 Tonnes & 5.5 Tonnes capacity respectively.

Dry Cutting – Klingelnberg

Ring and pinion gear

Dry Cutting Production Line

With more than 20,000 Sq. Ft of area covered in our facility to produce the precise and top quality crown and tail pinion, Bevel & ring gear with the modern state of the art Klingelnberg Dry Cutting.

Forging - Upsetter forging

Klingelnberg Dry Cutting

Apart from its pioneering use of the latest dry cutting technology in the straight bevel gear sector, it has the further advantage of great flexibility. It achieves high productivity by using cemented carbide tools with correspondingly high cutting speeds.

Forging - Drop Hammer forging

GNA Gears

GNA is a professionally managed group of auto & transmission component manufacturing companies, catering to worldwide requirements of Automobiles, Tractors, Off-Highway equipment. 


straight bevel gear manufacture

Bevel Gear Manufacture

Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped.

News & Update

Automated Assembly in Industry 4.0 | GNA Gears

Automated Assembly in Industry 4.0 | GNA Gears

What is Automated Assembly? Automated assembly systems have various types of material handling equipment, gauging and inspection, palletizing, material removal, vision, marking, pressing, dispensing painting, and washing/drying cells. These robotic assembly lines...

Bull gears Suppliers and Manufacturers

Bull gears Suppliers and Manufacturers

GNA GearsBull gear Suppliers & manufacturers. GNA is one of the best Bull Gears Suppliers and Manufacturers in India, Our  Bull Gears, pinion & Bull pinion shafts have long life, better performance and more reliability. GNA Gears also recognized as the best...

Ring and Pinion manufacturers

Ring and Pinion manufacturers

GNA Gears What is Ring and Pinion Gears? GNA Gears - Ring and Pinion manufacturers in India Ring and pinion gears are the automotive hardware that rotates the motor wheels of a vehicle forwards and backward.  Ring and Pinion assemblies commonly used in the drive...

Manufacturing Forgings

Manufacturing Forgings

Forging is a manufacturing process involving the shaping of metal using localized compressive forces. The blows are delivered with a hammer (often a power hammer) or a die. Forging is often classified according to the temperature at which it is performed: cold forging...