Garrett GTW3884 (aka GTW6265JB) Journal Bearing (62.3mm) .78 A/R T3 DIVIDED WITH 3″ V-BAND

The Garrett GTW3884 is a journal bearing turbocharger built for enthusiasts who demand serious top-end power without sacrificing a broad, usable powerband. Engineered as Garrett’s performance answer to the popular 6266 size turbo, it delivers proven GTW Series design at a competitive price point. This is the turbo for builders who want big flow potential backed by Garrett engineering.

Specifications

• Compressor Wheel Inducer: 62.3 mm
• Compressor Wheel Exducer: 84.4 mm
• Compressor Wheel Trim: 54
• Turbine Wheel Inducer: 74.2 mm
• Turbine Wheel Exducer: 64.6 mm
• Turbine Wheel Trim: 76
• A/R Ratio: .78 A/R T3 Divided
• Bearing Type: Journal Bearing
• Compressor Housing Frame: T04S Frame
• Compressor Inlet: 4″
• Compressor Outlet: 2.5″
• Anti-Surge: Built-in & machined anti-surge porting
• Turbine Housing Flange: T3 Divided with 3″ V-Band
• HP Potential: 800 HP
• Garrett P/N: GTW3884
• Also Known As: GTW6265JB

Performance & Application

The GTW3884 is built for performance enthusiasts chasing strong high-horsepower output while retaining excellent drivability across a wide RPM range. Its journal bearing design combined with the T3 divided turbine housing supports responsive spool characteristics while the compressor’s anti-surge porting extends the efficient operating range of the wheel. This turbo is well suited to builds targeting serious power levels where a proven, cost-effective GTW Series solution is needed. It represents Garrett’s performance alternative to the popular 6266 size turbo class.

Frequently Asked Questions

What HP can the GTW3884 support?

The GTW3884 has an 800 HP flow potential.

Is this a ball bearing or journal bearing turbo?

The GTW3884 is a journal bearing turbocharger.

What turbine flange and A/R does the GTW3884 use?

It uses a .78 A/R T3 divided turbine housing with a 3″ V-band outlet.

What does GTW6265JB refer to?

GTW6265JB is an alternate name for the Garrett GTW3884 journal bearing turbocharger.

For builders seeking a proven, high-flowing journal bearing turbo with the backing of Garrett’s GTW Series engineering, the GTW3884 delivers the performance and value to get serious power to the wheels.