Powertrain
Axle/4WD
HYUNDAI TRANSYS provides axles and 4WD products with excellent durability and transmission efficiency based on its proprietary design technology.

Independent Suspension Axle

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The axle transfers power from the transmission to the wheels, allowing for vehicle propulsion
HYUNDAI TRANSYS, with its own design capabilities, is equipped with an axle lineup that can be installed on a variety of models, from compact SUVs to premium sedans. HYUNDAI TRANSYS' axles provide high efficiency performance through lightweight construction and low-torque bearings.
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Improve NVH Performance
- Gear pattern design considering the rigidity of the aluminum case
- Minimal resonant frequency avoidance design to avoid resonant noise with vehicles
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Excellent Transfer Efficiency
- The application of low-torque bearings enhances power transmission efficiency
- The dual dust lip structure improves foreign particle ingress prevention.
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Lightweight
- The split-type aluminum case improves installation compatibility.
Rigid Axle

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HYUNDAI TRANSYS' rigid axles are made of high-strength materials and have excellent durability. Considering the use and characteristics of each vehicle model, it guarantees high driving safety even under extreme conditions such as low and high speeds, long distances and rough road surfaces. It also serves as a differential when turning the vehicle, and applies drive gears and differential gears to increase transmission efficiency
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Exceptional Durability Performance
- High-strength materials and top-notch FEA analysis ensure excellent heavy-duty durability
- Optimized gear tooth design improves transmission efficiency and realizes quiet NVH performance
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Excellent Driving Performance
- Differential gear ensures vehicle turning and driving stability
- Deep-lock system improves rough road driving performance
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Various Options
- High-strength/low-weight housing enables a variety of vehicle chassis/suspension/braking systems
e-Axle

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HYUNDAI TRANSYS maximized driving performance efficiency with optimal gear ratio calculation, which is eco-friendly regarding electric motor power source. There are full line-up models from large-size buses to sedan and commercial-vehicle.
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Electric motor system
- Low emission and noise with the eco-friendly electric motor power source.
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Optimal efficiency
- Optimal efficiency by replacing the second reduction parts with simple planetary gears for reducing pressure from the opposite direction.
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Durability
- Securing reliability in safety by enhancing the solidity of the frame body with high-firmness materials and thicker blades.
EST
Electric Shift Transfer case

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EST is a device that switches between 2WD and 4WD driving modes with the touch of a switch by the driver. EST independently designed by HYUNDAI TRANSYS provides safe driving and improved traction even on off-road terrain.
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Improved Shift Responsiveness
- 1-cam 2-shift system improves switching response (2H, 4H, 4L, switch-off mode)
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Low-noise Design
- Helical planetary gear and silent chain
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Proprietary Design Controllers
- CAN communication, drivetrain protection control logic
PTU
Power Transfer Unit

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PTU is a device that transmits the transmission power of a front-wheel-drive-based 4WD vehicle to the rear wheels more powerfully and quietly. HYUNDAI TRANSYS' PTU features a highly flexible design to meet the diverse installation requirements of automakers. It also incorporates an aluminum case and high-strength gears, making it lightweight while ensuring excellent durability.
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High Design Flexibility
- By changing the offset of the helical gears, the design flexibility is enhanced, allowing for installation in a variety of vehicle packages.
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Lightweight
- Application of a 3-piece aluminum case
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Prevention of Oil Leakage & Water Ingress
- The application of a dual dust lip oil seal enhances the foreign particle ingress prevention performance, even in rough terrains and flooded areas.