Overview
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.
Specifications
| Minimum Rating | 95 BHP |
| Maximum Rating | 95 BHP |
| Emissions | NSPS 2010 |
| Minimum Rating | 71 bkW |
| Maximum Rating | 71 bkW |
| Emissions | NSPS 2010 |
Benefits & Features
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.
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Specifications
| Minimum Rating | 95 BHP |
| Maximum Rating | 95 BHP |
| Emissions | NSPS 2010 |
| Displacement | 427 in³ |
| 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 |
| Oil Change Interval | 750 |
| Ignition, Protection | ADEM™ A4 |
| Air/Fuel Ratio Control | ADEM™ A4 |
| Stroke | 6 in |
| Bore | 4.8 in |
| Cooling System | 4.23 gal (US) |
| Lube Oil System - Refill | 8.19 gal (US) |
| Minimum Rating | 71 bkW |
| Maximum Rating | 71 bkW |
| Emissions | NSPS 2010 |
| Displacement | 7 l |
| 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 |
| Cooling System | 16 l |
| Lube Oil System - Refill | 31 l |
Benefits & Features
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.catoilandgasinfo.com.
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com.
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
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