GTA38GCE Gas Compression Applications

Power 760 - 760 hp
567 - 567 kW
Certification EPA SI NSPS Compliant Capable

The GTA38GCE builds from the success of the KTA19GCE, offering greater power and performance than ever before with all major components designed by Cummins to optimize performance.


Gas Compression


The block, crank, cam, lube, water pumps and gears are common with the Cummins K38 diesel, with over 20 years of dependable service. The GTA38GCE uses a Holset® Turbocharger, designed and manufactured by Cummins specifically for the engine, optimizing performance and reliability.



Bore 6.25 in (159 mm)
Stroke 6.25 in (159 mm)
Displacement 18.8 L (1150 cubic in)
Engine Power* 760 hp (567 kW)
Compression ratio 8.5:1
Aspiration Turbocharged and aftercooled
Weight** 10,176 lb
Lube oil capacity 70 U.S. gal (265 L)
Rotation (Facing Flywheel) Counterclockwise


760 hp @ 1800 rpm, with constant torque turndown capability down to 1350 rpm.

Engine controls – Factory integration of the Murphy Engine Integrated Control System (EICS™) unites the functionality of the ignition, air/fuel ratio controller and speed governor into a single engine control module.

Base engine – Cylinder heads are designed for optimal intake air/exhaust flow. Pyromet® exhaust valve faces and Stellite® exhaust valve seat inserts, along with Tribaloy® T400 intake valve faces and valve seat inserts, add durability. The GTA38GCE comes with a 1-year/unlimited-hours warranty.

Flywheel and flywheel housing – SAE 00, cast iron, including provisions for one 5/8-18 and two 3/4-16 magnetic pickups, machined to accommodate starter mounting on either side of the

Power take-off (PTO) – Front stub shaft option offered for driving the cooling fan.

Air handling – Turbocharger design delivers maximum performance and life. It includes two factory-installed heavy-duty air cleaners.

Starting system – The standard system features two robust Delco Remy® 39MT 24-volt starters with SAE #3 mounting flanges. An air/gas starter is optional.

Electrical system – Includes a 24-volt alternator. 

Lubrication system – The deep, full-length, high-capacity oil pan allows for extended drain intervals. Combo full-flow and bypass oil filters reduce maintenance costs while extending service intervals.

Cooling system – A two-pump, two-loop cooling system effectively separates the aftercooler and jacket water coolant circuits to maintain lower intake manifold temperatures and provide
capability for higher power ratings. Integrated coolant filters add corrosion protection for the jacket water circuit.

Exhaust system – The water-cooled manifolds reduce surface and exhaust gas temperatures.

Ignition system – EICS capacitive discharge ignition with smartcoil technology provides reliable spark and individual cylinder diagnostics and knock sensing capabilities.

Air/fuel control – Dual direct-acting electronic pressure regulator assemblies (two per bank) controlled by engine specific calibration provides reliable emissions control.

Speed control – Two integrated electronic governors provide stable RPM control with optional input to monitor and control suction or discharge pressure.

Emissions system – Optional, customer supplied, three-way catalyst (TWC) emissions package meets federal and local emissions requirements.

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