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Volvo Truck MID 130 Transmission Control Unit Guide

Volvo Truck MID 130 Transmission Control Unit

System Overview
The I-Shift transmission is a technologically advanced automated mechanical transmission,designed specifically to work in conjunction with Volvo’s new family of heavy-duty diesel engines. In order to work as a total package, the I-Shift is programmed with each engines efficiency map and is offered with different software
options to fulfill each operators needs.

 

If you need diagnostic for MID 130,you need:2022 Volvo PTT Premium Tech Tool PTT 2.8

All variants of the Volvo I-Shift have 12 forward speeds and up to 4 reverse speeds depending on programming.
It is a single countershaft transmission built up with a splitter section, a main section with three forward and one reverse gear, and a range gear section. It is an automated
mechanical transmission and uses synchronizers in its splitter and range gears but not in the main section. The main section utilizes a countershaft brake to mesh gears and equalize shaft speeds as needed. A single disc automated clutch system is utilized. The I-Shift is a "two pedal" transmission and does not require a clutch pedal.

The I-Shift uses compressed air and electrical solenoids to perform shift functions, clutch control and countershaft brake functions. All of these functions are timed and
controlled by the Transmission Electronic Control Unit (TECU). A dedicated air tank is needed on the vehicle to supply air for these components. The air is plumbed to the transmission via a supply line and is distributed to the other components internally. The air control solenoids are housed in the Transmission Control Housing and in the
Clutch Control Valve Assembly.

Volvo PTT 2.8.120+Devtool+ACPI Plus 03/2022 Installation & Activation Service
All Volvo Truck models will be available with this transmission including the VT, VN Series & VHD vocational trucks. Four I-Shift models will be offered to support the power ranges of the engines as well as offering different gear arrangements:


Transmission Identification
Each transmission has two identification tags. One is found on the top of the clutch housing and the other is found on the back of the range housing. The transmission version can be readily identified by the following nomenclature table.

Source:https://volvotruckrepair.blogspot.com/2022/04/volvo-truck-mid-130-transmission.html

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