G3304B

G3304B Gas Compression Engine

G3304B NA Gas Petroleum Engine Gas Compression Engines

DESCRIPTION

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.

Advanced Digital Engine Management

The ADEM A4 system represents the next generation of engine management systems while reducing the number of mechanical components and easing troubleshooting. Features include: • Air/Fuel Ratio Control (AFRC) • Electronic ignition • Electronic governing/speed control • Start/stop logic • Engine protection & monitoring

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time

Gas Engine Rating Pro (GERP)

GERP is a web-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site's altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.

Product Support Offered Through Global Cat Dealer

More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Caterpillar parts and labor warranty. Preventive maintenance agreements available for repairbefore-failure options S•O•SSM program matches your oil and coolant samples against Catepillar set standards to determine: - Internal engine component condition - Presence of unwanted fluids - Presence of combustion by-products - Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. - Cast engine blocks, heads, cylinder liners, and flywheel housings - Machine critical components - Assemble complete engine

Web Site

For all your petroleum power requirements, visit www.cat.com/oilandgas.

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

Standard Equipment

  • 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
  • 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

Optional Equipment

  • Charging 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
  • 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

Specs

Overview

Long Name:
G3304B Gas Compression Engine
Name:
G3304B
Brand:
Caterpillar
Status:
Current

Engine Specifications

Maximum Rating
95 BHP / 71 bkW
Emissions
NSPS Site Compliant Capable with Caterpillar or Customer-provided AFRC & Customer-provided Aftertreatment 0.5 & 1.0 g/bhp-hr NOx
Minimum Rating
95 BHP / 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
2253.8 lb / 1022.3 kg
Displacement
425 in³ / 7 l
Oil Change Interval
750
Ignition, Protection
ADEM™ A4
Air/Fuel Ratio Control
ADEM™ A4
Stroke
6 in / 152 mm
Bore
4.75 in / 121 mm

Capacity for Liquids

Cooling System
4.23 gal (US) / 16 l
Lube Oil System - Refill
8.19 gal (US) / 31 l

Weight - Dry

Weight - Dry
1670 lb / 1670 lb

Engine Specifications

Length
46 in / 1158 mm
Width
29 in / 744 mm

SEE HOW G3304B COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Gas Compression Engines
G3304B
G3304B NA Gas Petroleum Engine Gas Compression Engines
Brand
Caterpillar
Status
Current
Maximum Rating
95 BHP / 71 bkW
Emissions
NSPS Site Compliant Capable with Caterpillar or Customer-provided AFRC & Customer-provided Aftertreatment 0.5 & 1.0 g/bhp-hr NOx
Minimum Rating
95 BHP / 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
1670 lb / 1670 lb
Displacement
425 in³ / 7 l
Oil Change Interval
750
Ignition, Protection
ADEM™ A4
Air/Fuel Ratio Control
ADEM™ A4
Stroke
6 in / 152 mm
Bore
4.75 in / 121 mm
Cooling System
4.23 gal (US) / 16 l
Lube Oil System - Refill
8.19 gal (US) / 31 l
Length
46 in / 1158 mm
Width
29 in / 744 mm
Gas Compression Engines
CG137-8
CG137-8 Gas Petroleum Engine
Brand
Caterpillar
Status
Current
Maximum Rating
400 BHP / 298 bkW
Emissions
NSPS Site Compliant Capable with Caterpillar-supplied or Customer-provided Aftertreatment, 0.5% O2 Set Point
Minimum Rating
400 BHP / 298 bkW
Compression Ratio
10.25:1
Aspiration
Turbocharged - Aftercooled
Rotation from Flywheel End
Counterclockwise
Flywheel and Flywheel Housing
SAE No. 0
Flywheel Teeth
136
Weight - Dry
4850 lb / 2200 kg
Displacement
1099 in³ / 18 l
Oil Change Interval
750 hours
Ignition, Protection
Electronic ADEM A4
Air/Fuel Ratio Control
Electronic ADEM A4
Stroke
6 in / 152 mm
Bore
5.4 in / 137 mm
Cooling System
14.5 gal (US) / 55 l
Lube Oil System - Refill
39 gal (US) / 148 l
Length
64 in / 1627 mm
Width
56.8 in / 1443 mm
Gas Compression Engines
G3306B
G3306B NA Gas Compression Engines
Brand
Caterpillar
Status
Current
Maximum Rating
211 BHP / 157 bkW
Emissions
With Caterpillar or Customer supplied AFRC & Aftertreatment, 0.1g and 0.5g/bhp-hr NOx
Minimum Rating
145 BHP / 108 bkW
Compression Ratio
10.5:1
Aspiration
Naturally Aspirated or Turbocharged - Aftercooled
Rotation from Flywheel End
Counterclockwise
Flywheel and Flywheel Housing
SAE No. 1
Flywheel Teeth
156
Weight - Dry
2090 lb / 948 kg
Displacement
638 in³ / 10.5 l
Oil Change Interval
750 hours
Ignition, Protection
ADEM A4
Air/Fuel Ratio Control
ADEM A4
Stroke
6 in / 152 mm
Bore
4.8 in / 122.92 mm
Cooling System
5.25 gal (US) / 20 l
Lube Oil System - Refill
11.9 gal (US) / 44.5 l
Length
60 in / 1539 mm
Width
38 in / 978 mm