DETROIT DT12 TRANSMISSIONS - Service manual - PDF - dtctruck (2024)

DETROIT DT12 TRANSMISSIONS – Service manual PDF

Detroit Diesel Corporation introduces the Detroit DT12 automated manual transmission.

Combines operational ease of an automatic with the efficiency of a manual transmission, resulting in enhanced fuel economy, vehicle performance and safety
Complements Detroit engines and axles to positively impact efficiency and performance
Maximizes fuel efficiency for line-haul/long haul operations
Features lightweight design, which offers additional payload because of its aluminum housing and single counter shaft
Improves slow-speed maneuvering capabilities without compromising high road speed efficiency
Provides direct- or over-drive capabilities
Combines traditional manual gearbox with high-speed, computer-controlled shift and clutch actuators that automatically and seamlessly select right shift pattern and clutch engagement for fuel economy and engine power
Creep mode simulates torque converter to improve low speed maneuverability for parking, docking, heavy traffic and other low speed situations
Includes Skip Shift, which automatically skips gears, enabling the transmission to run through lower gears faster to achieve cruising speed sooner
eCoast allows vehicle to ‘coast’ down grades with the engine operating at idle speeds while preserving vehicle momentum, maximizing fuel efficiency
Control module communicates with entire powertrain, giving transmission and engine the ability to share information and offer complimentary functions
Helical gears and geometrical optimized gear-cut optimize driver comfort by redusing noise
Pneumatic clutch and shift actuation provide faster gear shifts
Offers choice between eco- or power-mode configuration
Includes a true two-pedal system for ease of operation and a kick-down feature that improves vehicle acceleration when needed
Features Virtual Technician, a factory installed on-board diagnostics system that takes the guess work out of powertrain repair

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