Gas Compression Engines

  • Specification Summary

  • Maximum Rating 71 bkW
  • Emissions NSPS 2010
  • Displacement 7 l
  • Minimum Rating 71 bkW
product-G3304B NA Gas Petroleum Engine Gas Compression Engines
Tough and durable, built on the industry-standard G3300 platform and equipped with technology that brings performance, uptime, and low operating cost to your operation. G3304B engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for G3304B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3304B gas engine. Ratings: 71 bkW (95 bhp) @ 1800 rpm are NSPS site compliant capable with Caterpillar or customer-provided air-fuel ratio control and aftertreatment.

Engine Specifications

Maximum Rating 71 bkW
Emissions NSPS 2010
Displacement 7 l
Minimum Rating 71 bkW
Compression Ratio 10.5:1
Aspiration Naturally Aspirated
Rotation from Flywheel End Counterclockwise
Flywheel and Flywheel Housing SAE No. 1
Flywheel Teeth 156
Weight - Dry 1022.3 kg
Oil Change Interval 750
Ignition, Protection ADEM™ A4
Air/Fuel Ratio Control ADEM™ A4
Stroke 152 mm
Bore 121 mm

Capacity for Liquids

Cooling System 16 l
Lube Oil System - Refill 31 l

Weight - Dry

Weight - Dry 1670 lb

Air Inlet System

 Air cleaner — intermediate duty, dry

 Air cleaner rain cap (shipped loose)

 Service indicator

Control System

 ADEM A4

Cooling System

 Thermostats and housing — full open temperature 97°C (207°F)

 Jacket water pump — gear-driven, centrifugal, non-self-priming

Exhaust System

 Exhaust manifolds — watercooled

 Exhaust elbow — dry 102 mm (4 in)

 Three-way catalyst — 1.0 g and 0.5 g NOx catalyst options

Flywheels & Flywheel Housings

 Flywheel, SAE No. 1

 Flywheel housing, SAE No. 1

 SAE standard rotation

Fuel System

 Air/fuel ratio control

 Gas pressure regulator

 Requires 10.3-68.9 kPa (1.5-10 psi) gas

 Natural gas carburetor

Ignition System

 ADEM A4 ignition

ADEM A4 ignition

Lube System

 Crankcase breather, top mounted

 Oil cooler

 Oil filter

 Oil pan, full sump

 Oil filler and dipstick

Protection System

 The following parameters include alarm and shutdown

Charging Alternator

 24V, 35A alternator

 24V, 35A CSA alternator*

24V, 35A alternator

24V, 35A CSA alternator*

Cooling System

 Radiators

 Jacket water pump inlet adapter

Exhaust System

 Exhaust flex fitting — ANSI flange

 Exhaust elbow

 Catalyst harness

 ANSI flange

Exhaust flex fitting — ANSI flange

Exhaust elbow

Catalyst harness

ANSI flange

Ignition System

 CSA certified electronics and ignition*

Instrumentation

 Operator interface panel

 Operator interface panel enclosure

 15’, 25’ and 50’ interconnect harness

Starting System

 Air pressure regulator

 Air start silencer

 Vane starter

 Electric starter

 Turbine starter