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Natural Gas Or Dual Fuel Generators in Texas

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51 - 100 of 116 listings

200 KW Caterpillar #D3406-SITA, Natural gas generator set, 14064 hours, 1800 RPM

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: D3406-SITA
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 14024KW: 200 KWRPM: 1800Serial No: 4FD01130Reference: CM106.

200 KW Caterpillar #G3406, Natural gas generator set, 240/480 Volts, 3-phase, 18201 hours, 1800 RPM, sound attenuated enclosure

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3406
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 18200KW: 200 KWRPM: 1800Serial No: 4FD00181Reference: UC1911.

200 KW Caterpillar #G3406, Natural gas generator set, 1800 RPM, SR4

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3406
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: -Good CoreKW: 200 KWRPM: 1800Serial No: 4FD01154Reference: CM105.

200 KW Caterpillar #G3406, Natural gas generator set, 15870 hours, 1800 RPM

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3406
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 15870KW: 200 KWRPM: 1800Serial No: 4FD01680Reference: CM104.

200 KW Caterpillar #G3406-SITA, Natural gas generator set, 480 Volts, 11270 hours, 1800 RPM, 2013

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3406-SITA
Year: 2013
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedYEAR: 2013HOURS: 11270KW: 200 KWRPM: 1800Serial No: CTS00881Reference: UC1844.

Get email updates for newly added Natural Gas Or Dual Fuel Generators

Natural Gas or Dual Fuel Generators (also known as gas-powered generators or multi-fuel generators) are power systems that operate on natural gas, diesel, or a combination of both fuels. Commonly used in industries like construction, healthcare, and energy, these generators provide reliable backup or primary power with fuel flexibility. Natural gas or dual fuel generators are valued for their efficiency, lower emissions, and adaptability to various energy needs.

200 KW Caterpillar #G3406-SITA, Natural gas generator set

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3406-SITA
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 9000KW: 200 KWRPM: 1800Serial No: CTS00423Reference: CM107.

200 KW Caterpillar, Natural gas generator set, 7349 hours, 1800 RPM

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
MANUFACTURER: CaterpillarMODEL: G3406 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 7349KW: 200 KWRPM: 1800Serial No: 4FD01289Reference: UC1847.

200 KW Cummins #C200N6B, Natural gas generator set, 120/208 Volts, 3-phase, 310 HP @ 1800 RPM, QSJ8.9G-G3 enigne, sound attenuated enclosure, new

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Cummins
Model: C200N6B
Year: 2024
Generator Set Type: Stand-By Engine Model: QSJ8.9G-G3 Fuel Type: Natural Gas Voltage: 120/208 Model: C200N6B Panel: with Autostart and Safety Shutdowns Frequency: 60 Cycles/Hz Phase: Three Phase, Notes, Listing - UL 2200NFPA 110 Type 10 Level 1 CapableIBC Seismic CertificationOSHPD Seismic CertificationExciter / ...more

200 KW Generac #MGG200, natural gas generator set, 277/480 Volts, 3-phase, SC13GT525D engine, 3 hours, 2014

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Generac
Model: MGG200
Year: 2014
Generator Set Type: Stand-By Engine Model: SC13GT525D Fuel Type: Natural Gas Voltage: 277/480 Model: MGG200 Panel: with Autostart and Safety Shutdowns Hours: 3 Since New Frequency: 60 Cycles/Hz Phase: Three Phase.

210 KW Caterpillar #3406SITA, Natural gas, 1800 RPM, good, used

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: 3406SITA

225 KW Generac #MGG350N2, natural gas generator, sound attenuated enclosure, 4 hours, 2014

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Houston, TX
Mfr: Generac
Model: MGG350N2
Year: 2014
MPS#: MPS1549 Price: $125,900 Capacity: 225KW Condition: Used Manufacturer: Generac Engine Manufacturer: Power Solutions International Engine Model: D183L Engine SN: EES0D408411 Package Model: MGG350N2 Package SN: 1415243 HP: 302HP Voltage: 480V Enclosure: Sound Attenuated Category: Mobile Fuel Type: Natural Gas Year: ...more

250 KW AKSA #APD-NG250, Natural Gas Generator, 335 HP, PSI 13L Engine, new, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG250
Year: 2025

250 KW Cummins #GTA855E, Natural Gas Power Module, EPA Cert, sound attenuated enclosure, 277/480 Volts, 20 hours, 2013, $115k

Turnkey Industries | Dickinson, TX
Seller: Turnkey Industries
Location: Dickinson, TX
Mfr: Cummins
Model: GTA 855E
Year: 2013
Please visit https://turnkey-industries.com/new-surplus-cummins-gta-855e-natural-gas-trailer-mounted-generator for more, photos, and a spec sheet!.

250 KW Cummins, Natural gas generator set, 277/480 Volts, 3-phase, 1800 RPM, GTA855 engine, sound attenuated enclosure, 2010

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Cummins
Year: 2010
Generator Set Type: Stand-By Engine Model: GTA855 Fuel Type: Natural Gas Voltage: 277/480 Panel: with Autostart and Safety Shutdowns Hours: 262 Since New Frequency: 60 Cycles/Hz Phase: Three Phase.

260 KW Caterpillar #3406, Natural gas gen, 465 HP

K & R Operating LLC | Robstown, TX
Seller: K & R Operating LLC
Location: Robstown, TX
Mfr: Caterpillar
Model: 3406
Package, Service: PrimeEnclosure: Custom walk-in enclosure.Tier Rating: N/AMfg. Date: 2000Engine, Manufacturer: CaterpillarModel: 3406Serial #: 4FD02223Fuel Type: Natural GasHorsepower: 373RPM: 1800-2100Generator, Manufacturer: CaterpillarModel: 3406Serial #: N/AkW: 260kWkVA: 325 kVAHZ: 60Phase: 3AMP: 390RPMS: ...more

300 KW AKSA #APD-NG300, Natural Gas Generator, 402 HP, PSI 14.6LT Engine, new, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG300
Year: 2025

300 KW Caterpillar #3408SITA, Natural gas, 1800 RPM, good, used

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: 3408SITA

300 KW Caterpillar/Olympian #G300LG4, Natural Gas Generator, 402 HP, #G300LG4 Engine, 240 Volts, sound attenuated enclosure, 230 hours, 2015

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Model: G300LG4
Year: 2015

325 KW Cummins #GTA19G1, Natural Gas Generator Set, 600 amp circuit breaker, 1800 RPM, 480 Volt, 3PH, 375 hours, 2008

Crawford Power Systems | Houston, TX
Seller: Crawford Power Systems
Location: Houston, TX
Mfr: Cummins
Model: GTA19G1
Year: 2008
Cummins GTA19G1 Natural Gas Generator Set, Engine: GTA19G1, DOM: 2008, 325kW Standby, 480V, 600AMP Circuit Breaker, Weather Enclosure, ***Unit will be serviced and load tested***, Package Information (Or) Generator Set:Manufacturer: Cummins, Package Model: GTA19G1, Control Panel: Power Command, Enclosure Type: Weather ...more

350 KW AKSA #APD-NG350, Natural Gas Generator, 469HP, PSI Doosan 14.6L HO Engine, 480/277 Volts, sound attenuated enclosure, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG350
Year: 2025

350 KW Caterpillar #3412SITA, Natural gas, 1800 RPM, overhauled, Cat SR4 generator

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: 3412SITA

350 KW Caterpillar #C18, Natural Gas Generator, 480 Volts, 760 HP, 1800 RPM

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Caterpillar
Model: C18
Year: 2023
Generator Set Type: Stand-By Engine Model: CG18 Fuel Type: Natural Gas Voltage: 277/480 Model: DG350 Panel: with Autostart and Safety Shutdowns Batteries: Yes Frequency: 60 Cycles/Hz Phase: Three Phase Arrangement/Catalog#: 612-2018.

350 KW Caterpillar #G3508TA, Natural gas generator set, 1200 RPM, good, used

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G3508TA

350 KW Caterpillar #G398NA, Natural gas, 1200 RPM, good, used

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G398NA

380 KW Caterpillar #G3412-SITA, Natural gas generator set, 240/480 Volts, 1-phase, 1800 RPM, Marathon generator end

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3412-SITA
MODEL: G3412 SITAENGINE MANUFACTURER: CaterpillarCONDITION: UsedHOURS: 8000+KW: 380KWRPM: 1800Serial No: 3NK00113REF# CM086.

400 KW AKSA #APD-NG400, Natural Gas Generator, 536HP, PSI Doosan 21.9L Engine, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG400
Year: 2025

450 KW AKSA #APD-NG450, Natural Gas Generator, 603HP, PSI Doosan 21.9L Engine, 480/277 Volts, sound attenuated enclosure, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG450
Year: 2025

450 KW Caterpillar #G398TA, Naytural gas, 1200 RPM, radiator thru Kato generator

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G398TA

450 KW Cummins #450GFGA, Stationary Natural Gas Generator, 1800 RPM, 675 amps, 277/480 Volts, 205 hours, 2011

American Energy Solutions | Katy, TX
Seller: American Energy Solutions
Location: Katy, TX
Mfr: Cummins
Model: 450GFGA
Year: 2011
This 2011 Cummins 450GFGA is a robust used stationary generator designed for standby applications, running on natural gas-powered Cummins GTA28 engine. With a power output of 450 kW and an amperage of 675 A, this generator ensures reliable energy supply for critical operations. It operates at 1800 RPM with a voltage ...more

455 KW Caterpillar #G3412, Natural gas generator set, 277/480 Volts, 3-phase, 3000 hours, 610 HP @ 1800 RPM, mechanical governor, 1996

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Caterpillar
Model: G3412
Year: 1996
Generator Set Type: Stand-By Engine Model: G3412TA Fuel Type: Natural Gas Voltage: 277/480 Model: G3412 Panel: with Autostart and Safety Shutdowns Hours: 3000 Since New Frequency: 60 Cycles/Hz Phase: Three Phase.

455 KW Caterpillar #G3412, generator, 277/480 Volts, 3-phase, 660 HP @ 1800 RPM, EMCP 2, load tested, open skid mounted, Woodward EG3P governor, 1996

NineX Power Systems | Spring, TX
Seller: NineX Power Systems
Location: Houston, TX
Mfr: Caterpillar
Model: G3412
Year: 1996
Used CAT G3412 Generator Set; 1996 Model – 3000 Original Hours; 455kW Standby Rated; 480/277V: Open Skid Mounted; Engine Driven Radiator; Water Cooled Manifold & Turbo; EMCP 2 Controller; Heavy Duty Air Cleaner; Gas Regulator; Electric Starter; Charging Alternator; Jacket Water Heater; Cleaned, Serviced ...more

500 KW AKSA #APD-NG500, Natural Gas Generator, 671HP, PSI Doosan 21.9L Engine, 480/277 Volts, sound attenuated enclosure, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG500
Year: 2025

500 KW Cummins #500GFGA, Natural Gas Generator, 671 HP, #GTA38 Engine, 277/480 Volts, sound attenuated enclosure, 262 hours, 2011

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Cummins
Model: 500GFGA
Year: 2011

500 KW Cummins #500GFGB, Natural Gas Gen, 671 HP, #GTA28 Engine, 277/480 Volts, weather protected enclosure, 2015

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Cummins
Model: 500GFGB
Year: 2015

500 KW Cummins #500GFGB, Natural Gas Stationary Generator, 752 amps, 1800 RPM, 277/480 Volts, 2015

American Energy Solutions | Katy, TX
Seller: American Energy Solutions
Location: Katy, TX
Mfr: Cummins
Model: 500GFGB
Year: 2015
This 2015 Cummins 500GFGB stationary generator powered by a GTA28 natural gas engine is a reliable option for standby power needs. It s a power output of 500 kW, making it suitable for a variety of commercial applications. Operating on natural gas, this generator boasts an amperage of 752 A with a voltage output of ...more

500 KW Cummins #C500N6B, Natural gas generator set, 277/480 300., 3-phase, 770 HP @ 1800 RPM, GTA28E engine, sound attenuated enclosure, 2026, new

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Cummins
Model: C500N6B
Year: 2026
Generator Set Type: Stand-By Engine Model: GTA28E Fuel Type: Natural Gas Voltage: 277/480 Model: C500N6B Panel: with Autostart and Safety Shutdowns Frequency: 60 Cycles/Hz Phase: Three Phase, Notes, Unit is on order with an ETA of 11/10/2026.See attached Bill of Material..

500 KW Cummins #GFJC, standby Natural Gas, sound attenuated enclosure, 277/480 Volts, 200 hours, 2015, $215k

Turnkey Industries | Dickinson, TX
Seller: Turnkey Industries
Location: Dickinson, TX
Mfr: Cummins
Model: GFJC
Year: 2015
Please visit https://turnkey-industries.com/cummins-gfjc-skid-mounted-natural-gas-generator for more, photos, and a spec sheet!.

500 KW Waukesha #3521GSIU, Natural gas, 1200 RPM, good used

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Waukesha
Model: 3521GSIU

500 KW Waukesha #5108GU, Natural gas generator set, 1200 RPM,low hours,running take out

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Waukesha
Model: 5108GU

550 KW Caterpillar #G3512, 277/480 Volts, 3-phase, Zero Hours, 2000

NineX Power Systems | Spring, TX
Seller: NineX Power Systems
Location: Houston, TX
Mfr: Caterpillar
Model: G3512
Year: 2000
Rebuilt CAT G3512 Generator Set; 2000 Model; 550kW Continous Rated; 480/277V; Open Skid Mount; Remote Radiator; CAT EIS Ignition; Electric Starters; Heavy Duty Air Cleaners; Electric Prelube; Reconditioned Generator End; Zero Hour Overhaul Engine, Generator Set: Manufacturer : Caterpillar Package Model : G3512 Package ...more

550 KW Caterpillar #G3512, Natural Gas Generator, 480 Volts, option to rebuild if desired

Power Generation Enterprises | Canyon Country, CA
Seller: Power Generation Enterprises
Location: Katy, TX
Mfr: Caterpillar
Model: G3512
Year: 2000
Pre-owned Caterpillar G3512 Natural Gas Generator Set - Rated at 550KW, 60Hz, 480V, 1200RPM - Previously Set to Run on Digester Gas - Includes Remote Radiator, Freestanding Digital Control Panel - Open Skid Mounted - Approximately 19206 Hours, Price displayed is as-is. Unit can be rebuilt to 0 hours with warranty. ...more

600 KW Caterpillar #G399TA, Natural gas, 1200 RPM, low houred and tested

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G399TA

600 kW Cummins #GTA50, Generator Set, 480 Volts, Drop Over Sound Enclosure. 1851 hours, 2009

NineX Power Systems | Spring, TX
Seller: NineX Power Systems
Location: Houston, TX
Mfr: Cummins
Model: GTA50-G1
Year: 2009
Used Cummins GTA50-G1 Generator Set; 2009 Model – 1851 Original Hours; 600kW Prime Power; 480/277V; Drop Over Sound Enclosure; DeepSea 7310 Controller; Circuilt Breaker; Gas Regulator; HD Air Cleaners; Cleaned, Serviced, and Load Tested, Generator Set: Manufacturer : Cummins Package Model : GTA50G1 Control Panel ...more

625 KW Cummins #625-GFJB, Natural Gas Generator, 838 HP #GTA38 Engine, Multi Voltage, sound attenuated enclosure, 440 Hrs, 2007

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Cummins
Model: 625-GFJB
Year: 2007

650 KW Cummins #650GFLA, Natural gas generator set, 277/480 Volts, 3-phase, 1035 HP @ 1800 RPM, GTA50 engine, sound attenuated enclosure, rebuilt

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Cummins
Model: 650GFLA
Year: 2011
Generator Set Type: Prime Power Engine Model: GTA50 Fuel Type: Natural Gas Voltage: 277/480 Model: 650GFLA Panel: with Autostart and Safety Shutdowns Batteries: Yes Frequency: 60 Cycles/Hz Phase: Three Phase, Notes, The unit had less than 1000 hours when it had a coolant leak and overheated. The engine has been torn ...more

750 KW Cummins #750GFLB, Natural gas gen, 1220 HP, GTA50-G2 engine, sound attenuated enclosure, 523 hours, 2005

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Cummins
Model: 750GFLB
Year: 2005

750 KW Cummins #C750N6, natural gas generator set, 277/480 Volts, 3-phase, GTA50E engine, 2026, new

DEPCO Power Systems | Houston, TX
Seller: DEPCO Power Systems
Location: Houston, TX
Mfr: Cummins
Model: C750N6
Year: 2026
Generator Set Type: Stand-By Engine Model: GTA50E Fuel Type: Natural Gas Voltage: 277/480 Model: C750N6 Panel: with Autostart and Safety Shutdowns Frequency: 60 Cycles/Hz Phase: Three Phase, Notes, Historical pictures do not represent actual unit, as it is currently on order with an ETA of 7/24/2026.See attached Bill ...more

750 KW Kohler #750REZK, Natural gas gen, Siemens #SGE-36SL, 1059 HP, PMG, L3 sound attenuated enclosure, 759 hr, 2018 (2 available)

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Kohler
Model: 750REZK

830 KW AKSA #APD-NG830, Natural Gas Generator, 1113HP, PSI Doosan 40L Engine, 480/277 Volts, sound attenuated enclosure, 2025

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Aksa
Model: APD-NG830
Year: 2025

880 KW Cummins #880GFLC, natural gas generator set, 277/480V., 3-phase, 660 hours, 1334 HP @ 1800 RPM, Cummins GTA50-G3, EPA Certified, sound attenuated enclosure, 2008

Central States Diesel Generators LLC | Waukesha, WI
Seller: Central States Diesel Generators LLC
Location: Katy, TX
Mfr: Cummins
Model: 880GFLC
Year: 2008
Cummins 880 kW standby natural gas generator set, model 880GFLC, SN-CX08A010629. Cummins GTA50-G3 engine rated 1334 HP at 1800 RPM, SN-25327785, EPA certified. 3/60/277/480V, 12 lead reconnectable to other voltages. 1200A Main-line circuit breaker. PowerCommand digital control panel. Battery charger. Coolant heater. ...more