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A crane gearbox is a mechanical component that used to transmit power. from the crane motor to the crane’s hoisting mechanism. At the same time, gearbox is typically made up of a series of gears. that mesh with each other to transfer torque from the motor to the hoist drum.
The gearbox is an important component of a crane. because it allows the motor to operate at a high speed .while the hoist drum operates at a lower speed. providing the necessary torque to lift heavy loads. The gearbox also helps to control the speed of the hoist drum. and allows for smooth and precise movements of the crane.


Crane gearboxes are utilized for low-speed, high-torque transmission systems. To produce the necessary deceleration effect. the standard Crane gearbox of the motor will additionally include many pairs of similar gears. The transmission ratio is the ratio of the number of teeth on the large and small gears. Crane gearboxes are being used by an increasing number of businesses as the sector continues to grow.

Crane duty helical gearboxes


Increased productivity and lifting capacity need a new look at your crane’s hoist and wheel drive gearboxes. KONIC specializes in creating new crane gearboxes from drawings or reverse-engineering an existing gearbox. Our engineering team is ready to assess your current gearbox and recommend ways to improve its performance.
For the crane sector, KONIC gearbox manufactures excellent grade crane duty helical gearboxes. our gearboxes are extremely flexible and well-suited to the crane industry’s needs. For crane duty gears, we offers higher torque ratings. KONIC is regarded as one of the world’s leading crane duty gearbox manufacturers due to our excellent service and positive customer feedback. Our knowledge and inventions, which make use of the most up-to-date technology, enable us to supply all products at a fair price and on time.

Various Types Crane Gearbox

  •  Parallel Shaft Crane Gearbox
  •  Duty Helical Crane Gearbox
  • Vertical Shaft Crane Gearbox
  • Single Stage Horizontal Gearbox
  • 2- Stage Horizontal Gearbox
  • 3-Stage Horizontal Gearbox
  • 3-Stage Vertical Gearbox

Specification of Crane Hoist Gearbox

Crane Gearbox

Harden and profile Ground Gears

Sizes: ( Input to Output centre) 250 to 1200 MM available

Gears: High Graded Alloy Steel, Case Harden and Profile Ground

Bearing: Roller Bearings.

Available version: Solid Standard shaft, Geared output shaft & Hollow output is also available.

Case: Cast Iron & Fabricated

Ratio: Available up to 630:1

Konic Overhead Crane Gearbox Features

Rigid, robust, torsion-resistant housing made of high-quality close-grained Grey Cast Iron . we could provide proper heat dissipation while the units are operating at full capacity. For added strength, suitable ribs are placed beneath the bearing seats. and the walls are thick enough to withstand the most severe stresses encountered during operation. The housing is made of fabricated construction upon request. If necessary, housing in cast steel or fabricated steel can be supplied.

  • Optimized the main parameters
  • The main parts and parts are interchangeable.
  • The gears choose high-quality alloy steel by carburizing and quenching
  • Used Oil pool lubrication and natural cooling
  • Small size, Lightweight, high precision,
  • large carrying capacity, high efficiency,
  • Long life, high reliability,
  • Stable transmission,Low noise


Our Advantanges

KONIC gearbox believes that the health and safety of our employees, visitors, and the public is of the highest value. Committed to providing the best advice and assistance to the functional and operational,  KONIC strives to achieve KONIC’s business goals.

professional design team

Professional Team

Konic is a group of gearbox experts who specialized in CNC machining, gearbox repairs, and industrial gearbox spares.

24 hours service

Project on time

Konic has 20 years of production experience, which allows us to ensure that our customers receive the customized products on time.

advance equipment

Advanced Equipment

Konic introduces world-class high-precision equipment through a steady stream of technological innovation.

professional team

1-1 Technical Support

Konic provides personalized expert technical support as well as responsive and proactive support service solutions.


Coupling Winch Gearbox-2

Trustworthy gearbox manufacturer WINCH GEARBOX

Winch gearbox used in a marine application. The winch is light and small lifting equipment that uses a drum to wind a steel wire rope or chain to lift or pull heavy objects.It has widely used because of its simple operation. a large amount of rope winch and convenient displacement.