Engine Rebuilds
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Engine & Transmission Replacements
When a big rig lays down, we don’t cry about it — we yank the motor and make it meaner.
At Redneck Diesel Performance, we specialize in big rig engine replacement and heavy-duty transmission replacement for trucks that work for a living. From complete diesel engine swaps to full semi truck transmission installs, we build them strong, reliable, and ready to pull like they’ve got something to prove.
Downtime don’t make money. Horsepower does.Whether you’re dealing with a blown motor, worn-out transmission, or looking to upgrade for better performance and durability, our team handles the entire process from removal to installation with precision and care. We use quality components, pay close attention to every detail, and make sure each job is done right the first time so your truck can get back to doing what it does best—hauling strong and running smooth.
Out Of Frame Engine Rebuilds
When your big rig engine is tired, worn out, or flat-out hurt — we don’t patch it. We pull it.
At Redneck Diesel Performance, our out-of-frame engine rebuilds mean the whole motor comes out of the truck and gets torn down bolt by bolt. Every component inspected. Every worn part replaced. Every surface machined and rebuilt to strict performance and reliability standards. This isn’t a shortcut in-frame fix — this is a full diesel engine overhaul done the right way.
We address the hidden damage, internal wear, and problems you can’t see until it’s completely apart. Then we build it back stronger, tighter, and ready to pull like it should’ve from day one.
Not local? Ship your big rig engine to us. We’ll handle the full out-of-frame rebuild in-house and coordinate return shipping when it’s ready to get back to work.
No band-aids. No guesswork. Just a proper big rig engine rebuild built to last.
In Frame Engine Rebuilds
Don’t need a full pull? Good — we’ve got a faster fix.
At Redneck Diesel Performance, our in-frame engine rebuilds keep your big rig moving without the time and cost of removing the entire engine. We tear into the heart of the motor, replacing pistons, liners, bearings, seals, and gaskets — all while the engine stays right where it belongs.
We measure clearances, check tolerances, and rebuild it right so your diesel engine runs strong, smooth, and reliable. This isn’t a shortcut — it’s an efficient, heavy-duty repair built for trucks that work for a living.
Less downtime. More road time. That’s how you make money.