Download A750E/F Automatic Transmission

Chassis

-A
A750E/F Automatic Transmission
• Feature
– 5-speed automatic transmission (Super ECT )
Chassis

-A
A750E/F Automatic Transmission
• Gear Ratio
– Fuel economy and dynamic performance have
been improved
[Wide Gear Ratio]
1st : 2.804
2nd
3rd
4th : 0.705
A340F
Acceleration
Performance
Fuel
Economy
A750E/F
1st : 3.520
14
Total Gear Ratio
(Differential Included)
5th : 0.716
3
Chassis

-A
A750E/F Automatic Transmission
• Specification
Gear Ratio
(Counter Gear
Ratio Included)
Engine Type
2UZ-FE
Drive Type
2WD / 4WD (Full-time)
Transmission
A750E / A750F
1st
3.520
2nd
2.042
3rd
1.400
4th
1.000
5th
0.716
Reverse
3.224
Fluid Capacity (include differential)
[Litter (US qts, lmp. qts)]
Fluid Type
10.8
(11.4, 9.5)
ATF Type T-IV
Chassis

A750E/F Automatic Transmission
• Shift Pattern
– Gate type shift lever is newly used
[Shift Indicator Light]
-A
Chassis

-A
A750E/F Automatic Transmission
• Torque Converter
– Compact, lightweight and high-capacity torque
converter has been used newly
[A750E/F]
[A343F]
Optimizing the fluid
passages and the
impeller configuration
Chassis

-A
A750E/F Automatic Transmission
• Oil Pump (Trochoid Type)
– The crescent has been discontinued. As a result
oil pump has made more compact and the
driving torque has been reduced
Crescent
discontinued
Driven Gear
Drive Gear
Stator Shaft
Pump Body:
Assembly
Made of aluminum to reduce the weight
Chassis

-A
A750E/F Automatic Transmission
• Planetary Gear Unit
– The 5-speed configuration has been achieved
without increasing the number of planetary gear
[A750]
Input
Output
[A650]
: Clutch
3 Planetary
Gears
Input
: Brake
: One-way Clutch
Output
Chassis

-A
A750E/F Automatic Transmission
• Planetary Gear Unit
– The 5-speed configuration has been achieved
without increasing the number of planetary gear
[A750]
Input
Output
[A340]
: Clutch
3 Planetary
Gears
Input
: Brake
: One-way Clutch
Output
Chassis

-A
A750E/F Automatic Transmission
• Planetary Gear Unit
– The 5-speed configuration has been achieved
without increasing the number of planetary gear
(Practically the same as the previous models)
: Brake
: Clutch
Input
Output
3 Planetary Gears
Chassis

-A
A750E/F Automatic Transmission
• Planetary Carrier
– The Front planetary carrier has been made or
aluminum alloy to reduce the weight
Aluminum
Alloy
Two
Pinions
Chassis

-A
A750E/F Automatic Transmission
• Various Control
– A750E/F are performing the following controls
Centrifugal Fluid Pressure canceling
Flex Lock-up Clutch Control
Clutch Pressure Control
Line Pressure
Optimal Control
AI (Artificial Intelligence)
-shift Control