: A combination of splash and pressure systems to ensure constant cooling.
Mack’s official documentation emphasizes strict safety protocols for transmission maintenance: Mack T308 Transmission Service Manual | PDF - Scribd TRANSMISSION MACK V1.0
: Heavy-duty variants like the mDRIVE HD and XHD can handle up to 2,060 lb.-ft. of torque and are offered in 12-, 13-, or 14-speed configurations. : A combination of splash and pressure systems