PT Turbo

Diesel Truck Platforms

Turbocharger guides by engine platform: Ford Powerstroke, Duramax, PACCAR, Caterpillar, Detroit, Volvo, Freightliner.

Caterpillar 3126 Turbocharger Guide: School Bus & Medium Duty Replacement

If you run a fleet of school buses, dump trucks, or medium duty rigs, you already know the Caterpillar 3126 turbocharger is the heart of one of the most widely deployed diesels of the late 1990s and 2000s. The 3126 and its 3126B/3126E variants powered everything from Blue Bird and Thomas school buses to Freightliner

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Caterpillar C18 Turbocharger: Heavy Equipment & Generator Applications Guide

The Caterpillar C18 turbocharger is one of the hardest-working forced induction units in the heavy equipment and standby power world. If you run C18-powered haul trucks, wheel loaders, marine gensets, or prime power generators, you already know this 18.1-liter inline-six builds its torque on boost pressure, and when the turbo goes soft, everything downstream suffers.

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Caterpillar C9 Turbocharger Guide: BorgWarner S200 for Machine & Truck Applications

The Caterpillar C9 is one of the most versatile 8.8L inline-six diesels Cat ever built, powering everything from on-highway trucks and buses to excavators, wheel loaders, and stationary gensets. At the heart of its breathing system sits a BorgWarner S200 turbocharger, and when that unit starts smoking, hunting boost, or whining like a banshee, the

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Caterpillar C7 Turbocharger: Common Failures, Part Numbers & Replacement Guide

If you run a Caterpillar C7 in a medium-duty truck, bus, RV chassis, or piece of off-highway equipment, the turbocharger is the single component most likely to leave you stranded with a no-power complaint. The C7 turbo, whether the fixed-geometry unit on earlier ACERT builds or the variable-geometry (VGT) wastegated setup on later emissions-era engines,

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Caterpillar C13 Turbocharger: Symptoms, Diagnosis & Complete Replacement Guide

If you run a Caterpillar C13, you already know this engine is a workhorse. Found in everything from on-highway trucks to wheel loaders and gensets, the C13 turbocharger is the single most important component standing between you and the boost numbers that move 80,000-pound loads. When that turbo starts to fail, fuel economy drops, EGTs

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Caterpillar C15 Turbocharger Guide: Common Failures, Replacement Parts & Cost

The Caterpillar C15 turbocharger is one of the hardest-working components in over-the-road trucking, and when it starts to fail it takes your boost, your fuel economy, and your uptime down with it. Whether you’re running an ACERT C15, a pre-emissions BXS/MBN block, or a 6NZ pulling 80,000 pounds over the Rockies, knowing how to diagnose

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Duramax L5P Turbocharger Guide: What Changes in the 2017+ Generation

The 2017 Duramax L5P didn’t just bump horsepower numbers, it rewrote the turbocharger playbook that GM had been running since the LB7 days. For the first time in Duramax history, the engine arrived with a Garrett GT37-series variable geometry turbo controlled by a fully electronic actuator and tighter emissions calibration than anything before it. If

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Garrett Turbocharger GT3788VA - 772441-5002S

Duramax LML Turbocharger Guide: GT3782VA Problems & Replacement (2011-2016)

If you run a 2011-2016 GMC Sierra or Chevy Silverado HD with the 6.6L LML Duramax, the GT3782VA turbocharger is the single most likely big-ticket failure you will face. This Garrett variable geometry unit was a genuine step forward over the LMM’s setup, but the vane mechanism, electronic actuator, and bearing system still wear out,

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Duramax LMM Turbocharger Guide: Variable Geometry Actuator Failure & Replacement

If you run an ‘07.5 to ’10 GMC or Chevy with the 6.6L LMM Duramax, the variable geometry actuator on your Garrett GT3788VA turbocharger is the single most likely component to leave you stranded with a P003A, P0046, or P2563 code. The LMM turbo is a workhorse, but the electronic vane actuator that controls boost

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Garrett Turbocharger GT3788VA - 772441-5002S

Duramax LBZ Turbocharger Guide: GT3788VA Problems & Replacement (2006-2007)

If you’re running a 2006-2007 Chevy Silverado or GMC Sierra 2500/3500 with the 6.6L LBZ Duramax, the Garrett GT3788VA variable-geometry turbocharger is the beating heart of your truck. When it starts to fail, you’ll feel it in the seat: laggy throttle response, a dead pedal at altitude, and exhaust temps creeping where they shouldn’t. The

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