Allison WTEC III Transmission Troubleshooting Manual


Covers: Allison 3000, 4000 series transmissions with WTEC 3 controls

  • 3000HS, 3000RDS, 3000MH, 3000PTS, 3000TRV, 3000EVS
  • 3200SP, 3200 TRV
  • 3500RDS, 3500EVS, 3500SP
  • 3700SP
  • MD3060, MD3560, MD3070PT, MD3066
  • B300(P)(R), B400(P)(R)
  • T200, T300
  • 4000EVS, 4000HS, 4000MH, 4000RDS, 4000TRV
  • 4500EVS, 4500HS, 4500RDS, 4500SP,  4500TRV
  • 4700EVS, 4700RDS
  • 4800EVS
  • HD4060, HD4060P, HD4060R, HD4060PR
  • HD4560, HD4560P,  HD4560R, HD4560PR
  • HD4070, HD4070P, HD4070R, HD4070PR, HD4076
  • T425, T450
  • B500, B500P, B500R, B500PR

Pages: 414
Format: PDF file
File size: 16mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

Dated 10/2006. This manual provides troubleshooting information for Allison 3000/4000 series transmissions. This manual includes:

  • Description of the WTEC III electronic control system
  • Description of the electronic control system components
  • Description of diagnostic codes, system responses to faults, and troubleshooting
  • Wiring, terminal and connector repair information


  • General Information
  • Scan Tool Use
  • Basic Troubleshooting Information
  • Sensors
  • TCM
  • Wire Testing
  • DTC Codes and Diagnostic Procedures
  • General Troubleshooting
  • Input/Output Functions
  • Wiring Schematic
  • Hydraulic Schematic

Have any questions or need more details? Contact Us

SKU: ALL-WTEC3-TM Category:

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