ALLISON 521/E 29535586 AUTOMOTIVE TRANSMISSION, 6 FORWARD SPEEDS, 1 REVERSE SPEED

THIS ALLISON MODEL 521/E TRANSMISSION, IDENTIFIED BY PART NUMBER 29535586, IS A HEAVY-DUTY, FULLY AUTOMATIC, AND ELECTRONICALLY CONTROLLED UNIT WITHIN THE ALLISON 5000 SERIES. IT FEATURES 6 FORWARD SPEEDS AND 1 REVERSE SPEED, COUPLED WITH AN INTEGRAL TORQUE CONVERTER EQUIPPED WITH A LOCK-UP CLUTCH. THE TRANSMISSION UTILIZES ALLISON'S 5TH GENERATION ELECTRONIC CONTROLS, WHICH INCORPORATE ADVANCED PROGNOSTICS AND SHIFT ENERGY MANAGEMENT CAPABILITIES. DESIGNED FOR FULL POWERSHIFT OPERATION, IT EMPLOYS WET DISC CLUTCHES AND IS ENGINEERED FOR SEVERE-DUTY AND VOCATIONAL APPLICATIONS.