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My service truck is a 2008 Peterbilt 335 with PX8 (Cummins 8.3) powering a 6 speed Allison automatic. The Allison has an exhaust brake mode that works in conjunction with the VGT turbo and the cooling fan on the engine to make a very effective engine brake. Problem is it works so good you can't...

This is a thread for members to test posting pictures at Heavy Truck Forums. :)

For members who need information on how to post pictures to the forum, here's a tutorial on how to post pictures using pictures from your computer files. :) You can add up to 5 pictures to a single forum post. If you need to add more than 5 pics, you'll need to make an additional post. The...

The old Detroit two stroke has been around for a long time, and although they are no longer a production engine there's still a pile of them out there. But a lot of things have changed since the days when those engine were common, specifically diesel engine oil. The multigrade 15W/40 used today...

I've worked out of a lot of trucks over the years, the one I'm in now is bar none the nicest I've ever had. Purchased it used in Dec 2012, about 45K miles on it. 2008 Pete 335, Paccar PX8 engine, 6 speed Allison tranny.

Dad purchased this old boom truck in 1976. In a short time I was in the seat and spent many hours with this old rig. 1962 White 4000, C180 naturally aspirated Cummins, Fuller 5 speed main and 4 speed aux trannys. Before my days of driving this truck were done I could shift that main and hog box...