Gas Compression Engines

  • Specification Summary

  • Maximum Rating 749 bkW
  • Emissions NSPS Site Compliant Capable
  • Minimum Rating 589 bkW
  • Ignition, Protection ADEM™ A3
  • Download Brochure
product-G3512 LE Gas Petroleum Engine
The line of G3500 engines brings versatility, uptime, and low operating cost to your gas compression operation. They are equipped with ADEM A3 technology that enables highest performance and safety while maintaining low emissions. Ideal applications for G3500 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3508 gas engine. Ratings: 589-749 bkW (790-1004 bhp) @ 1200-1400 rpm are NSPS site compliant capable with customer-provided aftertreatment.

Engine Specifications

Maximum Rating 749 bkW
Emissions NSPS Site Compliant Capable
Minimum Rating 589 bkW
Ignition, Protection ADEM™ A3
Air/Fuel Ratio Control ADEM™ A3
Displacement 51.8 l

Air Inlet System

 Air cleaner — intermediate-duty with service indicator

Cooling System

 High temperature circuit (engine jacket + oil cooler):

 Low temperature circuit (aftercooler):

High temperature circuit (engine jacket + oil cooler):

Low temperature circuit (aftercooler):

Exhaust System

 Watercooled exhaust manifolds

 Crankcase breather — top mounted

Flywheels & Flywheel Housings

 SAE No. 00 flywheel

 SAE No. 00 flywheel housing

 SAE standard rotation

Fuel System

 Gas pressure regulator

 Natural gas carburetor

Gas pressure regulator

Natural gas carburetor

Instrumentation

 Advisor panel

Advisor panel

Lubrication System

 Oil cooler

 Oil filter — RH

 Oil bypass filter (TA or NA engines only)

 Oil pan — shallow

 Oil sampling valve

 Turbo oil accumulator

Oil cooler

Oil filter — RH

Oil bypass filter (TA or NA engines only)

Oil pan — shallow

Oil sampling valve

Turbo oil accumulator

Mounting System

 Rails, engine mounting — 254 mm (10 in.)

Protection System

 Electronic shutoff system

 Gas shutoff valve

General

 Paint — Cat yellow

 Vibration damper and guard — dual 484 mm (23 in.)

Paint — Cat yellow

Vibration damper and guard — dual 484 mm (23 in.)

Air Inlet System

 Remote air inlet adapters

 Precleaners

Charging System

 Battery chargers

 Charging alternator

Battery chargers

Charging alternator

Cooling System

 Cleanable aftercooler core

 Connection flanges

 Expansion and overflow tank

 Water level switch gauge

Cleanable aftercooler core

Connection flanges

Expansion and overflow tank

Water level switch gauge

Exhaust System

 Flexible fittings

 Elbows

 Connection flanges

 Exhaust expanders

 Rain cap (NA engine only)

 Mufflers

Flexible fittings

Elbows

Connection flanges

Exhaust expanders

Rain cap (NA engine only)

Mufflers

Fuel System

 Low pressure gas conversions

 Propane gas valve and jet kits

 Fuel filter

 Air/fuel ratio control

Instrumentation

 PL1000 communications modules

PL1000 communications modules

Lubrication System

 Oil bypass filter removal

 Oil pan accessories

 Sump pump

 Air prelube pump

 Manual prelube pump

 Lubricating oil

Oil bypass filter removal

Oil pan accessories

Sump pump

Air prelube pump

Manual prelube pump

Lubricating oil

Mounting System

 Rails

 Vibration isolators

Power Take-Offs

 Front accessory drives

 Auxiliary drive shafts and pulleys

 Front stub shaft

 Pulleys

Protection System

 Crankcase explosion relief valves

Starting System

 Air starting motor

 Air pressure regulator

 Air silencer

 Electric air start controls

 Electric starting motors — dual 24-volt

 Battery sets (24-volt dry), cables, and rack

General

 Flywheel guard removal

 Engine barring group

 Premium 8:1 pistons