G8.3E Gas Compression Applications

Power 99 - 118 hp
74 - 88 kW


Oil and Gas Gas Compression


Wellhead compression and artificial lift applications require reliability and durability not found in every small natural gas engine. For dependable operations and world class support, you need Cummins G8.3E – an emission compliant, high-performance natural gas engine that shares the proven heritage of the Cummins C Series diesel engines and many of the same heavy-duty components. You can depend on the G8.3E to stay emissions compliant, keep maintenance costs down and the gas flowing. Every day.

General Specifications
Inline 6-Cylinder, 4-Cycle, Natural Gas

Bore 4.49 in (114 mm)
Stroke 5.32 in (135 mm)
Displacement 8.3 L (505 cubic in)
Engine Power* 99-118 hp (74-88 kW)
Compression ratio 10.5:1
Aspiration Naturally aspirated
Exhaust Type Dry or watercooled manifold
Weight** 1480 lb (671 kg)
Coolant capacity 2.9 gal (10.9 L)
Lube oil capacity 6.5 gal (32.0 L)
Rotation Counterclockwise

* Rating dependent
** Weight is approximate and varies with options.

Model Rating

Compression Ratio


190 hp (142 kW) @ 1800 rpm




175 hp (131 kW) @ 1800 rpm



(1) CUSTOMER-COMPLIANT UPGRADEABLE – This engine is capable of operating with a Three-Way Catalyst at this rating. It is the responsibility of the owner/operator to upgrade the engine with an air/fuel ratio controller and a Three Way Catalyst capable of meeting the SI NSPS regulations. The owner/operator is required to conduct site compliance testing and submit documentation per the EPA SI NSPS requirements.

* Requires EPA site validation testing.


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