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Used Generac Generator Sets For Sale in United States

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Industrial Equipment (27)
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Generator Sets (27)
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Generac (27)
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Used (27)
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Diesel (3)
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Showing 1 - 25 of 27 Generator Listings

1 - 25 of 27 listings
1 - 25 of 27 listings
Generac Residential Backup Skid Gen Set

Generac Residential Backup Skid Gen Set

Newly Listed
At auction Oct. 7
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...
ConditionUsed
Stock NumberLD1218R
MLS Number14642976
CategoryGenerator Sets
Last Updated10/4/2026
Location
Waterloo, NE, US
Listed By
BigIron Auctions
(844) 253-___  SHOW
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BigIron Auctions
2025 Generac RG02515GNAX Generator w/Transfer Switch

2025 Generac RG02515GNAX Generator w/Transfer Switch

Recently Updated
Auction ended Sep. 23
2025 Generac RG02515GNAX Generator w/Transfer Switch, 1.5L 4-Cyl, Hybrid, Water Cooled Engine, Electric Start, 62” Length, 29” Width, 38” height, 3- Phase, 25KW, 100AMP, 3,600RPM, 120/208V,...
ConditionUsed
Stock NumberLS4874
MLS Number14593696
CategoryGenerator Sets
Last Updated10/2/2026
Location
Friend, NE, US
Listed By
BigIron Auctions
(844) 253-___  SHOW
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Generac QT04524GVSN Generator

Generac QT04524GVSN Generator

Newly Listed
At auction Oct. 28
Generac QT04524GVSN Generator, LP or Natural Gas, Generac Guardian Elite Generator 45kw (Condition Unknown) NOTE: This unit is being sold AS IS/WHERE IS via Timed Auction and is located in...
ConditionUsed
Stock NumberF1209
MLS Number14635527
CategoryGenerator Sets
Last Updated10/1/2026
Location
Thonotosassa, FL, US
Listed By
JJ Kane Auctions
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JJ Kane Auctions
Generac SG050NA Natural Gas Generator

2023 Generac SG050NA Natural Gas Generator

$15,900 USD
Generac 50 kW standby natural gas / LP generator set model SG050NA, SN-. Generac 4.5L engine rated 75 HP at 1800 RPM, SN-, EPA certified. 1/60/120/240V single phase, 12 lead reconnectable...
ConditionUsed
Usage707 Hours
Horse Power75 HP
Engine Model4.5L
Stock NumberCentral States #5191
MLS Number14614683
CategoryGenerator Sets
Last Updated9/19/2026
Location
Waukesha, WI, US
Sold By
Central States Diesel Generators
(833) 446-___  SHOW
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Central States Diesel Generators
Generac SG050NA Natural Gas Generator

2023 Generac SG050NA Natural Gas Generator

$11,900 USD
Generac 50 kW standby natural gas / LP generator set model SG050NA, SN-. Generac 4.5L engine rated 75 HP at 1800 RPM, SN-, EPA certified. 1/60/120/240V single phase, 12 lead reconnectable...
ConditionUsed
Usage2,244 Hours
Horse Power75 HP
Engine Model4.5L
Stock NumberCentral States #5190
MLS Number14592307
CategoryGenerator Sets
Last Updated9/9/2026
Location
Waukesha, WI, US
Sold By
Central States Diesel Generators
(833) 446-___  SHOW
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Central States Diesel Generators
Generac 500 KW Diesel Generator

2006 Generac 500 KW Diesel Generator

$59,900 USD
Generac 500 kW standby (455 kW prime) diesel generator set model MD0500, SN-2090173. Doosan P180FE engine rated 762 HP at 1800RPM, SN-EASOC600832, EPA Tier 2 emissions. 3/60/277/480V. 800...
ConditionUsed
Usage337 Hours
Horse Power762 HP
Engine ModelP180FE
Emission RatingUSA Tier 2
Stock NumberCentral States #5106
MLS Number14450714
CategoryGenerator Sets
Last Updated6/25/2026
Location
Waukesha, WI, US
Sold By
Central States Diesel Generators
(833) 446-___  SHOW
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Central States Diesel Generators
Generac SD100 Diesel Generator

2020 Generac SD100 Diesel Generator

$27,900 USD
Generac 100 kW standby (90 kW prime) diesel generator set model SD0100, SN-306124519. Iveco/FPT FGE9685A 6.7L engine rated 152 HP at 1800 RPM, SN-01761591, EPA Tier 3 emissions. ...
ConditionUsed
Usage261 Hours
Horse Power152 HP
Engine ModelFGE9685A 6.7L
Emission RatingUSA Tier 3
Stock NumberCentral States #5101
MLS Number14438130
CategoryGenerator Sets
Last Updated6/18/2026
Location
Waukesha, WI, US
Sold By
Central States Diesel Generators
(833) 446-___  SHOW
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Central States Diesel Generators
Generac SD0350 Diesel Generator

2002 Generac SD0350 Diesel Generator

$29,900 USD
Generac 350 kW standby (315 kW prime) diesel generator set, model SD0350, SN-2069131. Mitsubishi engine rated 530 HP at 1800 RPM, SN-. 3/60/277/480V, 12 lead reconnectable to other voltages....
ConditionUsed
Usage149 Hours
Horse Power530 HP
Engine ModelMitsubishi 8DC9
Stock NumberCentral States #4769
MLS Number13963603
CategoryGenerator Sets
Last Updated11/19/2025
Location
Waukesha, WI, US
Sold By
Central States Diesel Generators
(833) 446-___  SHOW
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Central States Diesel Generators
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