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Group Companie's Products

AISIN SEIKI Co., Ltd.

As the central hub of the AISIN Group's 150 consolidated companies, Aisin Seiki pursues business expansion chiefly through its mainstay Automotive Parts and Systems Business.
This business covers such diverse fields as drivetrain related, brake and chassis related, body related, engine related and information related products segments. Aisin Seiki capitalizes on its accumulated automobile related expertise to offer products in such diverse fields as life, energy and welfare. In this way, Aisin Seiki endeavors to offer attractive products and services with truly high quality and cost competitiveness based on “Quality First.”

Automotive Parts | Lift Related and Other Products
Drivetrain Related Products Brake & Chassis Related Products Body Related Products Information Related Products Engine Related Products New Business Related Products Energy System Related Products Welfare Related Products Life & Amenity Related Products

Drivetrain Related Products

RWD 6-speed automatic transmission for light duty trucks & buses

Engine Brake Performance is Improved in Addition to Fuel Efficiency and Dynamic Performance

  • The automatic transmission controls the amount of continuous slip of lock-up clutch to reduce energy loss caused during shifting.
  • When an accelerator pedal is released, the optimum downshifting is automatically done according to vehicle weight and road gradient, providing improved engine brake performance.
  • Neutral control, a function which reduces engine load at idling, decreases fuel injection quantity during idling.
  • The number of parts is reduced compared with a 4-speed automatic transmission, offering a compact design (compared with conventional AISIN products).
RWD 6-speed automatic transmission for light duty trucks & buses

RWD 5-speed automatic transmission for medium duty trucks & buses

  • High torque capacity, superior driveability for operator comfort with minimum fatugue and low fuel consumption
  • Two-mode driving, either "Economy or Power" are selectable
RWD 5-speed automatic transmission for medium duty trucks & buses

RWD 4-speed automatic transmission with transfer for light duty trucks and recreational vehicles

  • Applicable to both 2 Wheel Drive and 4 Wheel Drive vehicle applications
  • Compact and lightweight
RWD 4-speed automatic transmission with transfer for light duty trucks and recreational vehicles

Power-shift transmission for forklift trucks

  • Easily mountable integrated differential lock model
  • Enables electronic shifting for excellent shifting performance
  • 1-1.8t and 2-3 t series
Power-shift transmission for forklift trucks

Automated Manual Transmission

Easy Drive of Automatic Shifting is Achieved by an Add-on System to MT

  • In addition of a conventional Easy mode (E mode) focused on smooth shifting, Sporty mode (Es mode) focusing on response is added to satisfy both "fuel economy" requirements and improvement of "drivability" demands

Automated Manual Transmission

Electronic control system for automated manual transmission

High Capacity-High Damping Clutch Disc & Clutch Cover

Realized high capacity and high damping by improved damper structure

  • Clutch disc: wide torsion angle with rearrangement of damper structure to realize high vibration damping performance
  • Clutch cover: stable clutch performance by using Diaphragm Spring Turnover (DST) type
High Capacity-High Damping Clutch Disc & Clutch Cover

Clutch Cover

Clutch Cover

Clutch Disc

Clutch Disc

Flywheel with torsional damper

Flywheel with torsional damper

Differential with 2WD-4WD shiftactuator for all terrain vehicle

Just by activating a switch on driver's side enables the toggling between 2WD and 4WD

  • Employs an electronic switching mechanism that improves ease of toggling and mountability
  • Improved traveling performance with differential lock function
Differential with 2WD-4WD shiftactuator for all terrain vehicle

Torque converter

Torque converter

Electric Oil Pumps

Compact, Lightweight and Long-life Electric Oil Pump

  • Downsizing by integration of control circuit, motor and pump enables various kinds of vehicles to mount
  • Noise is reduced by optimizing motor control
  • The product line up from small capacity (for assisting hydraulic pressure of VVT) to large capacity (for controlling hydraulic pressure of AT) is available
Electric Oil Pumps

Semiconductor type active speed sensor

Semiconductor-type sensor which improves system reliability and installability

  • Suitable for both gear and magnetic rotor types due to modular construction of IC and magnet
Semiconductor type active speed sensor
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