DESCRIPTION:

This Service Manual describes the operation, maintenance, and overhaul procedures for the Allison 5000 & 6000 Series Transmissions. Describes major components, power flows, hydraulic system function/operation, torque specs, wear limits, inspection procedures. Includes cross sections, exploded views and hydraulic charts.

TRANSMISSION COVERAGE:

- Allison 5620
- Allison 6620
- Allison 6625
- Allison 6630

TYPICAL CONTENTS:

- General Information
- Description & Operation
- Preventative Maintenance
- General Overhaul Information
- Disassembly of Transmission
- Rebuild of Subassemblies
- Assembly of Transmission
- Wear Limits and Spring Data
- Fold Out Cross-Section Views, Schematic Views and Exploded Views

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