Used Generator Sets For Sale

2024 MS390G Generator

$257,000 USD

110% Spill Containment, Auto Start, Battery Charger, Battery Disconnect Switch, Camlocks, Engine Governor, Engine Type - Natural Gas, Frequency - 50 / 60 Hz, Generator, Hitch, Trailer, NEMA...

Condition	Used
Usage	7,449 Hours
Stock Number	RP16014
MLS Number	14437464
Category	Generator Sets
Last Updated	8/21/2026
Location	Midland, TX, US
Sold By	Warren Power Systems

2024 MS390G Generator

$256,500 USD

110% Spill Containment, Auto Start, Battery Charger, Battery Disconnect Switch, Camlocks, Engine Governor, Engine Type - Natural Gas, Frequency - 50 / 60 Hz, Generator, Hitch, Trailer, NEMA...

Condition	Used
Usage	6,880 Hours
Stock Number	RP15949
MLS Number	14437463
Category	Generator Sets
Last Updated	8/26/2026
Location	Midland, TX, US
Sold By	Warren Power Systems

2012 Caterpillar WC500G Generator

$99,450 USD

Base Type - Skid, Cat Brand Genset, Circuit Breaker - 3 Pole, Control Panel - EMCP 4.3, Enclosure Material - Steel, Engine Type - Natural Gas, Frequency - 60 Hz, Generator, No Enclosure,...

Condition	Used
Usage	23,917 Hours
Stock Number	RP13185
MLS Number	14262300
Category	Generator Sets
Last Updated	8/28/2026
Location	Midland, TX, US
Sold By	Warren Power Systems

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2022 Caterpillar XQ 570 Generator

Contact for price

Condition	Used
Usage	1,037 Hours
MLS Number	14228954
Category	Generator Sets
Last Updated	8/21/2026
Location	Tarrant, AL, US
Sold By	Thompson Tractor Co.

2018 Caterpillar XQ425 T4F Generator

$148,500 USD

110% Spill Containment, Battery Charger, Battery Disconnect Switch, Camlocks, Cat Brand Genset, Customer Value Agreement (CVA) 2-year/2,000-hour Customer Value Agreement (CVA), Emissions...

Condition	Used
Usage	6,073 Hours
Stock Number	RP14089
MLS Number	14083522
Category	Generator Sets
Last Updated	8/21/2026
Location	Oklahoma City, OK, US
Sold By	Warren Power Systems

2019 Caterpillar XQ425 T4F Generator

$152,500 USD

110% Spill Containment, Battery Charger, Battery Disconnect Switch, Camlocks, Cat Brand Genset, Customer Value Agreement (CVA) 2-year/2,000-hour Customer Value Agreement (CVA), Emissions...

Condition	Used
Usage	8,183 Hours
Stock Number	RP14971
MLS Number	14083519
Category	Generator Sets
Last Updated	8/23/2026
Location	Midland, TX, US
Sold By	Warren Power Systems

2019 Caterpillar XQ230 T4F Generator

$99,000 USD

110% Spill Containment, Battery Charger, Battery Disconnect Switch, Camlocks, Cat Brand Genset, Customer Value Agreement (CVA) 2-year/2,000-hour Customer Value Agreement (CVA), Emissions...

Condition	Used
Usage	6,656 Hours
Stock Number	RP14965
MLS Number	13850302
Category	Generator Sets
Last Updated	8/23/2026
Location	Amarillo, TX, US
Sold By	Warren Power Systems

Generac Residential Backup Skid Gen Set

At auction Sep. 2

Generac Residential Backup Skid Gen Set, 7000 Watts, 58.3/29.2 Amps, 120/240 Volts, Runs On Propane, Call Or Text Jake Klingbeil @ 402-238-5881 For ADDITIONAL PRODUCT INFORMATION, Call...

Condition	Used
Stock Number	LD1218
MLS Number	14556316
Category	Generator Sets
Last Updated	8/21/2026
Location	Waterloo, NE, US
Listed By	BigIron Auctions

Onan 35DGBB 35 KW S/A Gen Set

At auction Sep. 2

Onan 35DGBB 35 KW S/A Gen Set, 1,894 hrs showing, Cummins 4B3.9-G2, 3.9 Liter, 4-Cylinder, Diesel Engine, Standby Rating: 35 KW / 43 KVA, Prime Rating: 32 KW, Frequency: 60 Hz, Voltage:...

Condition	Used
Stock Number	LD1219
MLS Number	14556315
Category	Generator Sets
Last Updated	8/21/2026
Location	Waterloo, NE, US
Listed By	BigIron Auctions

AMP FOURFRONT 9250 Generator/Compressor/Welder/Plasma Cutter

At auction Sep. 16

AMP FOURFRONT 9250 Generator/Compressor/Welder/Plasma Cutter, Kohler Command PRO 14HP Electric Start Engine, Gas, 1 - 8 Gal Fuel Tanks, Cover, unused, 6,000 Watt Generator, 50 - 160 Amp DC...

Condition	Used
Stock Number	LU6582
MLS Number	14556299
Category	Generator Sets
Last Updated	8/21/2026
Location	Aviston, IL, US
Listed By	BigIron Auctions

Windpower 45/25 PT2 Portable Generator

Auction ended Aug. 19

Winpower 45/25 PT2 Portable Generator, Pin Hitch, 540 PTO Driven, Single Phase, 120/240 Volts, 60 Hertz, 120V Outlet, 240 Volt Outlet, 7.50-15 Tires

Condition	Used
Stock Number	KQ5672
MLS Number	14539951
Category	Generator Sets
Last Updated	8/21/2026
Location	Naponee, NE, US
Listed By	BigIron Auctions

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2019 Caterpillar XQ60 Generator

$19,600 USD

3 PHASE NEMA LOCK RECEPTACLE, 3POLE CB, 60 HZ 48 KW, 60HZ 480 VOLT (WYE), 80C TEMP RISE OVER 40C AMB, ALT SPACE HEATER, Base Type - Standard, BATTERY CHARGER UL10A 120VAC, CAPTIVE: 4852409C3...

Condition	Used
Usage	7,766 Hours
Stock Number	VER015
MLS Number	14367456
Category	Generator Sets
Last Updated	8/26/2026
Location	Colby, KS, US
Sold By	Foley Equipment

Allis-Chalmers 2900 Portable Generator

At auction Sep. 2

Allis-Chalmers 2900 Portable Generator, Diesel, Water Cooled Engine, Electric Start, 1 Axles, 255/70R16 Rear Tires, Ball Hitch, 12’ Length, 8’ Width, 77” height, Note: Tires are Flat, NOT...

Condition	Used
Stock Number	HM8917
MLS Number	14554079
Category	Generator Sets
Last Updated	8/20/2026
Location	Gage, OK, US
Listed By	BigIron Auctions

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2012 Marathon Electric 433PSL6216 Enclosed Diesel Generator

Price Drop $15,000 USD

TRITON 350KW STANDBY GENERATOR, VOLVO DIESEL POWERED ENGINE, 350KW, 3PHASE, 480V, SOUND ATTENUATED ENCLOSED, AUTO START, BLOCK HEATER, MARATHON GENERATOR HEAD, 1000 GALLON DIESEL TANK, SKID...

Condition	Used
Usage	1,000 Hours
MLS Number	14380949
Category	Generator Sets
Last Updated	8/22/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

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2011 Caterpillar XQ400 Generator

$108,600 USD

2011 USED CAT XQ400, 400 KW, INSTALLED PL641 6/1/2016, KS TAG 508324, Online Owner's Manual, VIN# 1A9BS2323BP450543,

Condition	Used
Usage	10,367 Hours
Stock Number	MER004
MLS Number	14029834
Category	Generator Sets
Last Updated	8/22/2026
Location	Wichita, KS, US
Sold By	Foley Equipment

Generac 754-2 15Kw Propane Generator

At auction Sep. 2

Generac 754-2 15Kw Propane Generator, 340 hrs showing, Fiat 1.6L 4-Cyl Propane Engine, Water Cooled, Electric Start, 15KW Rating, PF: 1, KVA: 15, Single Phase, 120/240V Output, Weather Proof...

Condition	Used
Stock Number	LS2242
MLS Number	14550349
Category	Generator Sets
Last Updated	8/19/2026
Location	Nickerson, NE, US
Listed By	BigIron Auctions

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2002 Miller DU-OP Mobile Welder Generator – Deutz F3L914 Diesel – Trailer Mounted – Runs Good

$7,950 USD

Used 2002 Miller DU-OP mobile diesel welder/generator powered by a Deutz F3L914 diesel engine. Unit is in good used condition, has been tested, and runs good Video of the unit running is...

Condition	Used
Stock Number	L1579
MLS Number	14549012
Category	Generator Sets
Last Updated	8/18/2026
Location	Scranton, PA, US
Sold By	Big Iron Equipment LLC

2015 MTU MTU4R0113DS35 Diesel Generator

$18,900 USD

MTU 35 kW standby (32 kW prime) rated diesel generator set model 4R0113 DS35, SN-95090601799. John Deere 3029TFG89 engine rated 85 HP at 1800 RPM, SN-PE4045L273203. 1/60/120/240V single...

Condition	Used
Usage	231 Hours
Horse Power	85 HP
Engine Model	John Deere 4045TF280
Emission Rating	USA Tier 3
Stock Number	Central States #5124
MLS Number	14548448
Category	Generator Sets
Last Updated	8/18/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2007 Cummins DSHAC Diesel Generator

$29,900 USD

Cummins 200 kW standby (180 kW prime) diesel generator set, model DSHAC, SN-B070025245. Cummins QSL9-G2 NR3 engine rated 364 HP at 1800 RPM, EPA Tier 3 emissions. 3/60/277/480V, 12 lead...

Condition	Used
Usage	387 Hours
Horse Power	364 HP
Engine Model	Cummins QSL9-G2 NR3
Emission Rating	USA Tier 3
Stock Number	Central States #5150
MLS Number	14548374
Category	Generator Sets
Last Updated	8/19/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2005 Caterpillar 3406 Diesel Generator

$44,900 USD

Caterpillar 300 kW standby diesel generator set. CAT 3406 engine rated 449 HP at 1800 RPM, SN-1DZ09857. 3/60/277/480V, 12 lead reconnectable to other voltages.600 Amp main-line circuit...

Condition	Used
Usage	578 Hours
Horse Power	449 HP
Engine Model	Caterpillar 3406
Stock Number	Central States #5161
MLS Number	14548365
Category	Generator Sets
Last Updated	8/18/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2006 Cummins DFEH Diesel Generator

$75,900 USD

Cummins 400 kW standby (350 kW prime) diesel generator set, model DFEH, SN-B060886127. Cummins QSX15-G9 NR2 engine rated 755 HP at 1800 RPM, SN-79159560, EPA Tier 2. 3/60/277/480V. 800 Amp...

Condition	Used
Usage	88 Hours
Engine Model	Cummins QSX15-G9 NR2
Emission Rating	USA Tier 2
Stock Number	Central States #5113
MLS Number	14548359
Category	Generator Sets
Last Updated	8/18/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

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2002 Miller DU-OP Mobile Welder Generator – Deutz F3L914 Diesel – Trailer Mounted – Runs Good

$7,950 USD

Used 2002 Miller DU-OP mobile diesel welder/generator powered by a Deutz F3L914 diesel engine. Unit is in good used condition, has been tested, and runs good Video of the unit running is...

Condition	Used
Stock Number	L1580
MLS Number	14547162
Category	Generator Sets
Last Updated	8/17/2026
Location	Scranton, PA, US
Sold By	Big Iron Equipment LLC

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1995 Caterpillar 3512 Generator

$390,000 USD

Auto Start, Battery Charger, Circuit Breaker, Control Panel, CUSTOM 40 FT SOUND ATTENUATED CONTAINER, ENGINE DRIVEN RADIATOR FAN,, Engine Type - Diesel, Fuel Tank Type - Dual Wall, Jacket...

Condition	Used
Usage	1,151 Hours
MLS Number	14127639
Category	Generator Sets
Last Updated	8/16/2026
Location	Miami, FL, US
Sold By	Ohio CAT

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2007 Caterpillar C9 Generator

$67,000 USD

Auto Start, Base Tank, Battery Charger, Circuit Breaker, Control Panel - EMCP 4.2, Emissions Level - EPA - EPA Tier 3, Enclosure Material - Steel, Engine Type - Diesel, EPA Stationary...

Condition	Used
Usage	220 Hours
MLS Number	14127636
Category	Generator Sets
Last Updated	8/16/2026
Location	Cleveland, OH, US
Sold By	Ohio CAT