
DESCRIPTION
GENERAL
The A340E is a 4-speed, Electronic Controlled Transmission (hereafter called ECT) developed for use with high-performance engines such as the 7M-GE and 7M-GTE. A lock-up mechanism is built into the torque converter.
[Image: Cross-sectional diagram of transmission]
01328
The A340E transmission is mainly composed of the torque converter, the overdrive (hereafter called O/D) planetary gear unit, 3-speed planetary gear unit, the hydraulic control system and the electronic control system.
[Image: Schematic diagram showing transmission components]
Torque Converter
Oil Pump
O/D Planetary Gear Set
Front Planetary Gear Set
C₀ B₀ F₀ B₁ C₂ C₁ B₂ F₁ B₃ F₂
Rear Planetary Gear Set
O/D Input Shaft
Input Shaft
Output Shaft
O/D Planetary Gear Unit
3-Speed Planetary Gear Unit
Hydraulic Control Unit
AT2/b3