The Mack T309 is a 9-speed transmission carrying part number T309, sold by Pro Gear and Transmission on an exchange basis. Core charges apply and may be refunded in whole or in part upon delivery and inspection; the unit is subject to standard manufacturer core policy unless otherwise agreed in writing. To confirm this is the correct transmission for your truck, locate the model number stamped into the driver-side transmission case above the 8-bolt PTO cover and have it ready when you call. Not sure this is your part? Give us a call.
A refundable core charge of $4,500.00 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.
Features
Mack T309 9-speed transmission
Part number T309
Sold on an exchange basis - core charges apply
Core refund subject to delivery inspection and manufacturer core policy
Model number stamped into driver-side case above the 8-bolt PTO cover
Call to confirm correct fitment for your specific application
Parts manual and diagrams: Mack T309L / T310 transmission parts list with prices
