Mack Jr. Getting Ready For A New PowerPlant
Here's my truck, wheels chocked and jack stands in place, right before we removed the 4-speed SM420 Transmission.
Here's my truck, wheels chocked and jack stands in place, right before we removed the 4-speed SM420 Transmission.
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
Recommended Comments
There are no comments to display.
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.