Toyota
Source-verified model
Toyota A860E
The 6-speed transmission Aisin А860Е was designed in 2005 for trucks Hino Dutro (Toyota Dyna) 300 and hit the Japanese market in 2006. However, the mass production of this “invincible” unit was started in 2009.
Speeds
6
Type
AT
Drive
RWD
Max torque
420
ATF capacity (L)
12
ATF type
Toyota T-IV
Other and alternative codes of this transmission
A860-E
A860E
verified naming
OEM designation
source name
Common problems & symptoms
Problems and symptoms reported for this transmission, compiled from repair sources. Not a complete list.
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Sealing Rings Wear
Sealing rings in valve body wear out earlier than all other spare parts and gaskets, requiring repair kit.
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Valve Body Solenoid Failure
Solenoids (On-Off and linear types A, B, C, D) are primary suspected cause of any valve body related issues.
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Gear Shifting Quality Issues
Linear solenoids A, C, D are responsible for ideal gear shifting; faults here result in poor shift quality.
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Oil and Filter Degradation
Most common repair involves oil and filter replacement, indicating fluid degradation as primary maintenance issue.
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About this transmission
Transmission general data
The 6-speed transmission Aisin А860Е was designed in 2005 for trucks Hino Dutro (Toyota Dyna) 300 and hit the Japanese market in 2006. However, the mass production of this “invincible” unit was started in 2009.
This transmission transmits the torque up to 420 Nm from diesel engine with the capacity 4 liters. This transmission is the main competitor of the Allison 3000 transmission.
Technical issues and repair guidelines
This transmission is very reliable as all RWD Aisin transmissions. The repair of this transmission in most cases includes oil and filter replacement.The transmission reassembly requires the repair kit of gaskets and seals with valve body spare parts, which are ordered because of sealing rings, which wear out earlier than all other spare parts and gaskets.
The electrical part of this transmission is maximally unified: the valve body has 3 simple and invincible On-Off solenoids, 3 interchangeable linear solenoids ( А, C, D solenoids according to the manual), responsible for an ideal gear shifting and a linear solenoid (B). Solenoids usually are quite reliable, but in case of any issues related to the valve body, solenoids are considered the main cause of these problems. Aisin valve bodies produced after 2009 are notable for enhanced durability and are almost not ordered for replacement.
Vehicle fitment explorer
Confirmed vehicle applications. Every row is drawn from our source-verified fitment database.
| Make | Model | Year | Drive | Engine |
|---|---|---|---|---|
| Hino | DUTRO | 99-16 | 6 SP RWD | L4 4.0L |
| Toyota | COASTER | 97-16 | 6 SP RWD | L4 4.0L |
Sources & Contribution
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