Compact E-Vehicle Electric transaxles for Urban Electric Cars


Compact E-Vehicle electric transaxles are integrated systems combining an electric motor, gearbox, and differential, designed specifically for urban electric cars. These transaxles offer optimal power transmission, enhanced durability, and efficiency, making them ideal for the start-stop nature of city driving.


In the electric vehicle ecosystem, one of the most critical components that determine both performance and efficiency is the transaxle. Rotontek has unveiled its new line of compact E-Vehicle electric transaxles specifically designed for urban electric cars. Here's a comprehensive breakdown of this groundbreaking product.

Rotontek's compact electric transaxle is an integrated system that combines the electric motor, gearbox, and differential into one compact unit. This integration ensures optimal power transmission from the motor to the wheels of urban electric cars. Given the congestion and frequent stop-and-go conditions in urban environments, this transaxle is specially designed to offer quick response, enhanced durability, and unmatched efficiency.

Technical Specifications

Parameter Specification
Rated Power 50 kW
Peak Torque 220 Nm
Efficiency 95%
Operating Voltage 300-400V
Weight 35 kg
Gear Ratio Range 6:1 - 14:1
Cooling System Liquid-cooled
Connectivity CAN bus
Protection Class IP67

Compact E-Vehicle Electric transaxles for Urban Electric Cars

Design Features

  • Compactness: One of the most significant features of Rotontek electric transaxle is its compact design. This makes it a perfect fit for smaller urban electric cars where space is at a premium.
  • Lightweight Construction: Made with high-strength, lightweight materials, it doesn’t add unnecessary weight to the vehicle, ensuring efficient power usage.
  • Integrated Electronics: On-board electronics allow for real-time monitoring and diagnostics. This aids in preemptively identifying any issues, thus enhancing longevity.


  1. Optimized for Urban Drive: Given the start-stop nature of urban driving, the transaxle's design is optimal for quick acceleration and deceleration.
  2. Enhanced Durability: Designed to endure repetitive drive cycles and extended operational periods, this transaxle guarantees longevity.
  3. High Efficiency: With an efficiency rating of 95%, it ensures minimal energy wastage, making the most out of every electron.
  4. Ease of Integration: The compact design and standardized connectors allow for easy integration into a variety of vehicle platforms.
  5. Cost-Effective: By merging multiple components into a single unit, production costs are reduced, and these savings can be passed on to the vehicle manufacturers and, ultimately, the consumers.


Rotontek's electric transaxles aren't just limited to urban electric cars. Their versatility means they can be used in various platforms:

  • Compact Urban E-cars: Ideal for small to medium-sized city cars.
  • E-TukTuks and Auto-rickshaws: Perfect for electrifying these popular modes of transport in many Asian countries.
  • Urban Delivery Vehicles: Electric vans and trucks can benefit from the high-torque and efficient power delivery.
  • Shared Mobility Solutions: E-scooters, e-bikes, and other shared mobility platforms can integrate these transaxles for better efficiency and durability.

Rotontek's compact E-Vehicle electric transaxle sets a new benchmark in the realm of urban electric mobility solutions. With its robust design, high efficiency, and versatility, it promises to play a pivotal role in shaping the future of urban transportation. Drive into the future with Rotontek.


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