Anderson Brothers Inc. 9111 N. Vancouver Ave. Portland, Oregon
97217
Volvo I-Shift Transmission Identification
10/10/2017 V~2
Nomenclature and Ratios:The I-Shift transmission is available in
four configurations:
AT2512C Direct Drive for Volvo D11 and D13 Engines ATO2512C
Overdrive for Volvo D11 and D13 Engines AT2812C Direct Drive for
Volvo D16 Engine ATO3112C Overdrive for Volvo D 16 Engine
Identification Tag:Each transmission has two identification
tags. One is on the top of the clutch housing and the other is on
the back of the range housing.
AT O XX 12 C
Automated O = Overdrive Maximum Input Forward DesignMechanical
No Letter Torque Nm (lb-ft) Speeds LevelTransmission = Direct Drive
25 = 2500 (1850) 28 = 2800 (2050) 31 = 3100 (2300)
