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Natural Gas Engines

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51 - 100 of 180 listings

195 HP @ 1800 RPM, Caterpillar #3306SITA, running take out

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: 3306SITA

196 HP @ 4000 RPM, Chevy #350, Natural Gas Engine, radiator through flywheel, Inline 6-cylinder, (4) 3.47" Stroke, 4" Bore, 5.7 L displacement

Power Zone Equipment | Center, CO
Seller: Power Zone Equipment
Location: Center, CO
Mfr: Chevy
Model: 350
Brand/Model: Chevy 350 : Used Chevy 350 Natural Gas engine radiator through flywheel with following s: • 196 HP • 4000 RPM • Inline 6 Cylinder, 4 stroke • 101.60 mm (4.0 in) Bore • 88.39 mm (3.47 in) Stroke • 5.7 L (350 in3) Displacement • Naturally Aspirated • CCW Rotation ...more

200 HP @ 1200 RPM, Caterpillar #G342NA, good tested runner

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G342NA

203 HP @ 1800 RPM, Caterpillar #G3306-TA, engine, 1999

J & R Industrial Engine Service | Oklahoma City, OK
Seller: J & R Industrial Engine Service
Location: Oklahoma City, OK
Mfr: Caterpillar
Model: G3306-TA
Year: 1999
Manufacturer: Caterpillar, Model: G3306 TA, Condition: Rebuilt, HP: 203HP@1800RPM, Serial #: G6X08048, Spec# OK5190, Arr# 2299040, Year Built 2012.

203 HP @ 1800 RPM, Caterpillar #G3306-TA, core engine, 2000

J & R Industrial Engine Service | Oklahoma City, OK
Seller: J & R Industrial Engine Service
Location: Oklahoma City, OK
Mfr: Caterpillar
Model: G3306-TA
Year: 2000
Manufacturer: Caterpillar, Model: G3306 TA, Condition: CORE, HP: 211HP@1800RPM, Serial #: 07Y07848, Year Built: 2000.

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Natural Gas Engines (also known as gas engines) are internal combustion engines that run on natural gas as a fuel source. Commonly used in power generation, transportation, and industrial applications, these engines offer cleaner emissions compared to diesel or gasoline engines. Natural gas engines are known for their fuel efficiency, reduced environmental impact, and cost-effectiveness, making them ideal for sustainable energy solutions.

220 hp Chevrolet #Vortec-4.3L, AS-IS (5 available)

IronHub | Calgary, AB
Seller: IronHub
Location: Calgary, AB
Model: VORTEC-4.3L
Available for sale are six Chevrolet Vortec 4.3L mechanical gas engines, each with a maximum horsepower of 220. All units require a rebuild and are currently in disconnected operational status. Located in Taber, AB, Canada..

225 HP @ 4000 RPM, Chrysler #225, Natural Gas Engine, radiator through flywheel, V-8 cylinder, (4) 3.31" Stroke, 3.91" Bore, 5.2 L displacement

Power Zone Equipment | Center, CO
Seller: Power Zone Equipment
Location: Center, CO
Mfr: Chrysler
Model: 225
Brand/Model: Chrysler 225 : Used Chrysler 225 Natural Gas engine radiator through flywheel with following s: • 225 HP • 4000 RPM • V-8 Cylinder, 4 stroke • 99.314 mm (3.91 in) Bore • 84.074 mm (3.31 in) Stroke • 5.2 L (318 in3) Displacement • Naturally Aspirated • CCW Rotation ...more

225 HP @ 4000 RPM, Chrysler #318, Natural Gas Engine, radiator through flywheel, V-8 cylinder, (4) 3.31" Stroke, 3.91" Bore, 5.2 L displacement

Power Zone Equipment | Center, CO
Seller: Power Zone Equipment
Location: Center, CO
Mfr: Chrysler
Model: 318
Brand/Model: Chrysler 318 : Used Chrysler 318 Natural Gas engine radiator through flywheel with following s: • 225 HP • 4000 RPM • V-8 Cylinder, 4 stroke • 99.314 mm (3.91 in) Bore • 84.074 mm (3.31 in) Stroke • 5.2 L (318 in3) Displacement • Naturally Aspirated • CCW Rotation ...more

226 HP, Waukesha #F1905, Core Engine

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: F1905
CORE, ENGINE, F1905, S/N 70424 on blue unit.

232 -940 HP @ 1200 RPM, Caterpillar #300, G342NA/G353TA/G379TA/G398TA/G399TAA, reb.

S & W Power Systems & Engine | Oklahoma City, OK
Seller: S & W Power Systems & Engine
Location: Oklahoma City, OK
Mfr: Caterpillar
Model: 300

240 HP @ 2200 RPM, Cummins #8.3, radiator cooled, 24 valves, 12 Volts start & alt.

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Cummins
Model: 8.3

248 HP @ 1800 RPM, Waukesha #F-1197, Natural Gas Engine, Inline 6-cylinder

Power Zone Equipment | Center, CO
Seller: Power Zone Equipment
Location: Center, CO
Mfr: Waukesha
Model: F-1197
Brand/Model: Waukesha F-1197 : Used inline 6 cylinder natural gas engine, No tag, oil cooler is high with center water entry, Altronic V, clutch, Impco 200 on skid with Worthington 6x11 serial number L-82544-Tdims engine only: 99" L x 45" W x 85" H HP: 248 RPM: 1800.

248 HP @ 1800 RPM, Waukesha #F-1197 GU Core, Natural Gas Engine

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: F-1197
CORE WAUKESHA F1197GU.

280 HP @ 1200 RPM, Caterpillar #G379A SI, S/N 72B00999 ARR# 3N1161

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Caterpillar
Model: G379A
CAT G379 A SI S/N 72B00999 ARR# 3N1161.

280 HP @ 1200 RPM, Waukesha #1905GU, low houred runner

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Waukesha
Model: 1905GU

280 HP @ 2100 RPM, Cummins #L-10, Natural gas engine, S/N #60420253

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Cummins
Model: L-10
MANUFACTURER: Cummins MODEL: L-10 HP: 280.0 hp RPM: 2100 Serial No: 60420253 * Reference: UC1480 G-Cummins L-10 CNG zero hour re-man Cummins L10 natural gas engine Unit rated 280 HP @ 2100 RPM. Engines are tubocharged. Eng. Finished and Irrigation Ready..

280 HP @ 2800 RPM, Cummins #CG8.3E4280, 8.3L Natural gas engine

GXP Diesel | Eads, TN
Seller: GXP Diesel
Location: Eads, TN
Mfr: Cummins
Model: CG8.3E4280
The Cummins CG8.3E4280 is a standalone 8.3‑liter natural‑gas engine engineered for smooth power delivery, clean emissions, and dependable operation across a wide range of industrial and stationary applications. With a factory rating of 280 HP at 2800 RPM, this model provides strong upper‑range performance while ...more

295 HP @ 1200 RPM, Caterpillar #G342TA, low hours since new, runner

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G342TA

306 HP @ 1800 RPM, Caterpillar #3406SITA, used rebuildable core

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

350 BHP @ 1000 RPM, Superior #6G510, core

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Superior
Model: 6G510
SUPERIOR, CORE, 6G510, 350BHP @ 1000 RPM.

390 hp Chevrolet #454-0YJ, 2012

IronHub | Calgary, AB
Seller: IronHub
Location: Edmonton, AB
Model: 454-0YJ
Year: 2012
Available for sale is a mechanical-gas driver manufactured by Chevrolet, model number 454, built in 2012. This unit is classified as new old surplus and is believed to be approximately 10 years old. The drive has been disconnected and is not operational at this time. Please note that the horsepower rating of around ...more

400 HP @ 1000 RPM, White Superior #6G-510, Natural Gas Engine, Inline 6-cylinder, (4) 9" Stroke, 8.5" Bore, 3060 in3 displacement

Power Zone Equipment | Center, CO
Seller: Power Zone Equipment
Location: Center, CO
Mfr: White
Model: 6G-510
Brand/Model: White Superior 6G-510 : Used White Superior 6G-510 Natural Gas engine with following s: • 400 HP • 1000 RPM • Inline 6 Cylinder, 4 stroke • 215.9 mm (8.5 in) Bore • 228.6 mm (9 in) Stroke • 3060 in3 Displacement • CCW Rotation (from flywheel end) • Air starting ...more

400 HP @ 1800 RPM, Waukesha #F18GSIU, runner, rad-flywheel

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Waukesha
Model: F18GSIU

415 HP @ 1200 RPM, Caterpillar #G379, Natural gas engine

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Caterpillar
Model: G379
CAT 379, Natural Gas..

415 HP, Caterpillar #G379TA, front hub thru flywheel, good runner

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G379TA

440 HP @ 1200 RPM Caterpillar, Gas Compression, Natural Gas Type, Open Skid, 0 Hrs., Rebuilt 2021

McKain Power Systems Consulting LLC | Katy, TX
Seller: McKain Power Systems Consulting LLC
Location: Katy, TX
Mfr: Caterpillar
Caterpillar G379NA Gas Compression Engine – SN:72B06709 – Can be Swung With No Return Core – Arrangement #3N-1161 – RPM 1200 – All Cat Parts – Rebuilt 2021 – 0 Hours Since Rebuild – Running take out 440HP @ 1200rpm – FOB: Hattiesburg, MS, MPS#: MPS0261Price: ...more

450 HP @ 1200 RPM, Caterpillar #G398NA, rebuilt, rad-flywheel full B engine

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

450 HP @ 1800 RPM, Caterpillar #3408SITA, used rebuildable core

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

500 HP @ 1200 RPM, Caterpillar #379, driver

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Caterpillar
Model: 379
CAT 379 DRIVER COMPRESSOR PACKAGE W/, CHICAGO PNEUMATIC 5FE-050-2 COMPRESSOR FRAME.

500 HP @ 1800 RPM, Waukesha #H24GL, complete engine

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Waukesha
Model: H24GL

515 HP @ 1200 RPM, Caterpillar #G3508TA, complete engine

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

530 HP @ 1800 RPM, Waukesha #H24GL-NVG, Engine Core, Comp. ratio 8.7/1, 2000 (4 available)

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: H24GL-NVG
We have 4 Core H24GL Natural Gas engines ( CALL FOR PRICING ), S/N C-13117/2, C-130000/4, C-13002/3, C-13003/3, Year 2000, Comp. ratio 8.7/1, speed 1800 rpm.

600 HP @ 1200 RPM, Waukesha #F2895GSIU,

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: F2895GSIU
Waukesha F2895GSIU, core unit, s/n 389859, spec: G-47128, stock # QR1362.

600 HP @ 1800 RPM, Caterpillar #CG-137-12, Natural Gas Engine, 2022

North Kern Water Storage District | Bakersfield, CA
Seller: North Kern Water Storage District
Location: BAKERSFIELD, CA
Mfr: Caterpillar
Model: CG-137-12
Year: 2022
Engine includesand is :, 590 HP Derra’n Gear Head, Heat exchangers and fittings Emissions system, Engine :, Caterpillar Engine Model: CG-137-12 600 HP SN : WRX00432 Engine Model Year 2022 13 hours Contact 661-448-4404 with any questions.

600 HP @ 1800 RPM, Caterpillar #CG-137-12, Natural Gas Engine, 2016

North Kern Water Storage District | Bakersfield, CA
Seller: North Kern Water Storage District
Location: BAKERSFIELD, CA
Mfr: Caterpillar
Model: CG-137-12
Year: 2016
Engine includesand is :, 590 HP Derra’n Gear Head, Heat exchangers and fittings Emissions system, Engine :, Caterpillar Engine Model: CG-137-12 600 HP SN : WRX00160 Engine Model Year 2016 16,509 hours Contact 661-448-4404 with any questions.

600 HP @ 1800 RPM, Caterpillar #CG-137-12, Natural Gas Engine, 2016

North Kern Water Storage District | Bakersfield, CA
Seller: North Kern Water Storage District
Location: BAKERSFIELD, CA
Mfr: Caterpillar
Model: CG-137-12
Year: 2016
Engine includesand is :, 590 HP Derra’n Gear Head, Heat exchangers and fittings Emissions system, Engine :, Caterpillar Engine Model: CG-137-12 600 HP SN : WRX00159 Engine Model Year 2016 16,896 hours Contact 661-448-4404 with any questions.

600 HP Caterpillar #G3412, compressor engine, Woodward psg governor

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3412
MANUFACTURER: Caterpillar MODEL: G3412 CONDITION: Used HOURS: 20851 Serial No: 7DB00848 * Reference: UC1636 G3412 SITA, Micon Compressor Engine, with 20,851 hrs, 600 HP, Arr # 102-9407, Woodward PSG Gov, SAE # 0, 24 V Starter; Open "I" Beam Skid; FES Rotary Screw Compressor 775-M, Tank 250 PSI @ 300* F; Comp Ratio ...more

607 HP @ 1800 RPM, Dresser Guascor #SFGLD240, liquid propane, Natural gas, Bio-Gas, new, 2015

Martin Energy Group Svcs | Tipton, MO
Seller: Martin Energy Group Svcs
Location: Latham, MO
Mfr: Dresser
Model: SFGLD240
Year: 2015
DRESSER-RAND GUASCOR SFGLD 240 -ENGINE ONLY-, Location: Latham, MO, Condition: New, Availability Status: In Stock, Year of Mfr.: 2015, Frame: Your choice, Fuel Tank: None, Enclosure: Available, Sound Insulated: Available, Radiator: None, Engine Brand: Dresser-Rand Guascor, Engine Model: SFGLD240, Fuel type: Liquid ...more

608 HP @ 1800 RPM, Caterpillar #G3412, generator set, 1998

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G3412
Year: 1996
MANUFACTURER: CaterpillarMODEL: G3412 Gen SetCONDITION: UsedYEAR: 1996HOURS: 2409RPM: 1800Reference: UC1797.

625 HP @ 1225 RPM, Caterpillar #379A Core, Natural Gas Engine

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Caterpillar
Model: 379A
CAT 379A ENGINE CORE.

625 HP @ 1800 RPM, Caterpillar #G3412TA, complete engine

Field Engine LLC | San Antonio, TX
Seller: Field Engine LLC
Location: San Antonio, TX
Mfr: Caterpillar
Model: G3412TA

625 HP, Caterpillar #G398TA, compete good runner

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

637 HP @ 1800 RPM, Caterpillar #G3412C LE, used rebuildable core - 3 available

NineX Power Systems | Spring, TX
Seller: NineX Power Systems
Location: Houston, TX
Mfr: Caterpillar
Model: G3412C LE
Year: 2008
High Hour CAT G3412C LE Industrial Engine; 2008 Model; 637HP @ 1800RPM; 8.5:1 Compression Ratio; Gas Compression Arrangement; Deep Sump Oil Pan; Charging Alternator; Gas Regulator; SAE 0 Flywheel Housing; Water Cooled Manifold; Electric Starter; HD Air Cleaner; Three Matching Units Available, Engine: Manufacturer : ...more

650 HP @ 1200 RPM, Waukesha ##3521GSIU, runner, internal oil header, 1" capstud, T-18 Turbo

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

650 HP @ 1200 RPM, Waukesha #5108GU, runner, internal oil header, 1" capstud

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

660 HP @ 1200 RPM, Caterpillar #G399-SINA, gas engine core, air starter

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G399-SINA
MANUFACTURER: Caterpillar MODEL: G399 SINA CONDITION: Used RPM: 1200 Serial No: 49C01014 Reference: UC1664 G399SINA Engine Core S/N49C01014; arg# 3N3340; HCR; 660BHP@1200; Spec OT 3965.da; HYDRA-MECH (Cat) Governor, air cleaner std, round; flywheel housing #00; flywheel #00; AIR STARTER; MISSING OIL FILTER HSG, HAD ...more

670 HP @ 900 RPM, Waukesha #3521 GSI, Natural Gas Engine, S/N C-10511/1

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: 3521
Rebuilt 3521GSI Waukesha, S/N C-10511/1, stock QR1274, Call for pricing.

670 HP @ 1200 RPM, Waukesha #F3521GSI Core, Natural Gas Engine, ext oil header

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: F3521GSI
WAUKESHA, F3521GSI CORE, F3521GSIU, 1", T30, 1200 RPM, EXT OIL HEADER, S/N 316131, spec: G36964, Generator:, Kw 500, Voltage 480, Rpm 1200.

700 HP @ 1200 RPM, Caterpillar #G398-SITA, gas engine, hydra-mech

LarMar Industries Inc. | Midland, TX
Seller: LarMar Industries Inc.
Location: Midland, TX
Mfr: Caterpillar
Model: G398-SITA
MANUFACTURER: Caterpillar MODEL: G398SITA CONDITION: Used Serial No: 66B8286 Reference: UC1579 G398SITA LCR, Model B 23301 hrs; Altronic III; hydra mecha with act; 201 fishers; Railes; aux WP.

700 HP @ 1200 RPM, Waukesha #F3521GSI

Collicutt Energy Services | Red Deer, AB
Seller: Collicutt Energy Services
Location: Red Deer, AB
Mfr: Waukesha
Model: F3521GSI
EXCHANGE ENGINE, F3521GSI.