G855 & GTA855 Gas Compression Applications

Power 157 - 286 hp
117 - 213 kW

Applications

Oil and Gas Gas Compression

Overview:

The demands of wellhead and gathering compression applications require an engine that is reliable and durable. For dependable operations and world class support, you need the Cummins G855 and GTA855 – a high-performance natural gas engine that shares the proven heritage of the Cummins diesel engines and many of the same heavy-duty components. You can depend on Cummins engines to keep maintenance costs down and the gas flowing. Every day.

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

Bore 5.5 in (140 mm)
Stroke 6.0 in (152 mm)
Displacement 14.0 L (855 cubic in)
Engine Power* 157-286 hp (117-213 kW)
Compression ratio NA: 10:1 TA: 8.5:1
Aspiration Naturally aspirated or turbocharged aftercooled
Exhaust Type Watercooled manifold
Weight** 2970 lb (1347 kg)
Coolant capacity 5.5 gal (20.8 L)
Lube oil capacity 15 gal (57 L)
Rotation Counterclockwise

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

Model Rating

Compression Ratio

Emissions
G855

188 hp (140 kW) @ 1800 rpm

10:1

(1)

G855

157 hp (117 kW) @ 1500 rpm

10:1

(1)

GTA855

286 hp (213 kW) @ 1800 rpm

8.5:1

(2)

GTA855

225 hp (168 kW) @ 1800 rpm

8.5:1

(1)

GTA855

238 hp (177 kW) @ 1500 rpm

8.5:1

(2)


(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.

(2) This engine emits 2.0 gr/hp-hr NOx, 4.0 gr/hp-hr CO, 1.0 gr/hp-hr VOC. This engine does not meet the revised EPA SI NSPS requirements for non-emergency engines and is offered only for use outside the U.S.

* Requires EPA site validation testing.



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