Gears & Shafts

For automobiles, heavy equipment, and agricultural machinery

As a company specializing in the precision machining of gears and shafts for automobiles, heavy equipment, and agricultural machinery, Kumho Industrial Co., Ltd. produces high-strength, high-precision parts by applying over 25 years of accumulated experience and advanced machining technology.
In particular, Kumho Industrial supplies various core components used in hybrid and electric vehicles, mid- to large-sized passenger cars, agricultural machinery, and heavy equipment transmissions on an OEM basis, earning a high level of trust from domestic and international customers.

Sun Gear (6-Speed Gear for Automatic Transmissions, for Medium and Large-sized Vehicles)
Sun gears are a key gear component used in 6-speed automatic transmissions, designed for distributing power and controlling rotational direction.
Medium and large-sized models are primarily used in passenger cars (Sonata and above) and are designed to efficiently transmit high power and torque. Precision gear machining technology ensures the shape accuracy, surface roughness, and durability of the gear teeth, ensuring smooth transmission operation.

 Sleeve for front-wheel 8-speed automatic transmissions, installed in passenger vehicles 1,500 cc or larger
The sleeve is a key component of front-wheel-drive 8-speed automatic transmissions, ensuring precise gear engagement and smooth synchronization.
The precision machining capabilities achieve micron-level machining precision, contributing to smooth gear shifting, reduced noise, and enhanced durability.

Gamma Input Shaft for Engines
The gamma input shaft directly transmits the rotational power generated by the engine to the gearbox.
This shaft requires high torsional strength, wear resistance, and dimensional accuracy, and must maintain stable performance even under high-load conditions.
Using precision gear machining technology and equipment, Kumho Industrial produces high-quality shafts tailored to its customers’ needs.

HUB for Hybrid Vehicles
The hub is a key component in hybrid powertrains, designed to stably transmit torque between the motor, engine, and transmission.
Kumho Industrial’s precision machining technology ensures high concentricity, minimal vibration, and excellent durability, thus supporting the stable performance of hybrid vehicles.

 
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