Generator Sets For Sale

New or Used Generators (Gen Set) by Owners and Dealers

Generator sets, also known as a "gen set", can provide power to any job site that is not connected to grid, needs an emergency supply, or wants to perform peak shaving. The generators come in various sizes and power ratings. The fuel type of the generator may be diesel, gasoline, or natural gas, and they may be trailer-mounted, mobile, or stationary. If you're looking for just a power unit, browse our industrial power unit section.
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1-25 of 1,640 results
Featured Item
Caterpillar XQ60 Generator
4 0

2020 Caterpillar XQ60 Generator

Price Reduced
$30,000 USD
Remaining Factory Warranty 60 MONTHS/6000 HR PLATINUM ESC, INC DPF - EXP 11/20/25,
ConditionUsed
Usage5,201 Hours
Stock NumberER60KV15
MLS Number12772040
Last Updated5/20/2024
Location
New Stanton, PA, US
Sold By

Cleveland Brothers Equipment

Featured Item
Caterpillar C 2.2T Generator
2 0

2023 Caterpillar C 2.2T Generator

Recently Updated
$29,500 USD
Auto Start, Battery Charger, Cat Brand Genset, Circuit Breaker,
ConditionUsed
MLS Number12362371
Last Updated5/20/2024
Location
Jacksonville, FL, US
Sold By

Ring Power Corporation

Featured Item
Caterpillar 3516B Generator
2 0

2023 Caterpillar 3516B Generator

Recently Updated
$515,500 USD
50 HZ, AUTO START, CAT BRAND GENSET, DIESEL, EMCP 4.2B CONTROL PANEL, GENERATORS, JACKET WATER HEATER, Online Owner's Manual, PERMANENT MAGNET GENERATOR, Rebuild Cat Certified Rebuild ,...
ConditionUsed
MLS Number11640890
Last Updated5/20/2024
Location
St. Augustine, FL, US
Sold By

Ring Power Corporation

Featured Item
2005 Caterpillar XQ600 Generator
4 0

2005 Caterpillar XQ600 Generator

$215,000 USD
RETIREMENT SALE, EXCELLENT CATERPILLAR 600 KW GENERATOR SET. Used to power aggregate crushing spread. Service and load tested by Milton Cat. All records available. Well cared for and in top...
ConditionUsed
Usage6,455 Hours
MLS Number12148249
Last Updated4/21/2024
Location
Syracuse, US
Sold By

Granite Mining LLC

Featured Item
Caterpillar SR4B Generator
6 0

2001 Caterpillar SR4B Generator

$10,000 USD
Online Owner's Manual,
ConditionUsed
Stock NumberEPU10903
MLS Number10145186
Last Updated5/20/2024
Location
Indianapolis, IN, US
Sold By

MacAllister Machinery

Featured Item
Generator 176 KW Tier 4 Final 2015 MultiQuip 3 Phase 240/480 Volt DCA-220SSJU4F John Deere Diesel Portable
24 1

Generator 176 KW Tier 4 Final 2015 MultiQuip 3 Phase 240/480 Volt DCA-220SSJU4F John Deere Diesel Portable

$58,000 USD
Generator 176 KW Tier 4 Final 2015 MultiQuip 3 Phase 240/480 Volt DCA-220SSJU4F John Deere Diesel Portable BUSINESS FINANCING AVAILABLE!* Please call Gary with any questions or to discuss...
ConditionUsed
Usage14,644 Hours
Stock NumberTC1222455300DS580
MLS Number11768923
Last Updated5/13/2024
Location
Orem, UT, US
Sold By

Global Remarketing

Featured Item
500KW TOWABLE GENERATOR
5 0

500KW TOWABLE GENERATOR

$35,000 USD
500KW Towable generator enclosed mounted on 40’ step deck trailer with 500 gallon fuel tank TITLE IN HAND 12V92TA DETROIT DIESEL ENGINE 277/480V or 120/208V Connectable 2 Identical Units in...
Quantity2
ConditionUsed
Engine ModelDetroit
L x W40 x 8
Weight40,000.00
MLS Number12647673
Last Updated2/28/2024
Location
Shepherd, TX, US
Sold By

Svenco Sales LLC

Featured Item
2023 Isuzu 4JB1 Generator
1 0

2023 Isuzu 4JB1 Generator

Call for price
Isuzu 4JB1 Generator .Please call for more details.
Quantity3
ConditionNew
MLS Number12560513
Last Updated5/14/2024
Location
Eads, TN, US
Sold By

GXP Diesel

Featured Item
Cummins KT19 500KW GeneratorSet
27 0

Cummins KT19 500KW GeneratorSet

$78,500 USD
Complete Ready to go!, Cummins Genset, Gen Set w/switch Gear, Min Circuit Breaker Panel, bulk oil tanks, baskets under trailer,, Rectifier for 110 Volt in 531 Tandem axle Fruehauf Van...
ConditionUsed
Usage12,365 Hours
MLS Number11862078
Last Updated5/8/2024
Location
Middleton, WI, US
Sold By

NORTHWESTERN STONE LLC

Cummins 750 KW Natural Gas Generator
11 0

2015 Cummins 750 KW Natural Gas Generator

Newly Listed
$299,900 USD
Used Cummins 750 kW standby natural gas generator set, model 750GFLC, SN-X15D175714. Cummins GTA50 engine rated 1135 HP at 1800 RPM, SN-25405147, EPA certified. 3/60/277/480V, 12 lead...
ConditionUsed
Usage581 Hours
Horse Power1135 HP
Engine ModelCummins GTA50
Stock NumberCentral States #4495
MLS Number12879805
Last Updated5/20/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Generac SD230 Diesel Generator
12 1

2013 Generac SD230 Diesel Generator

Recently Updated
$43,900 USD
Used Generac 230 kW standby (207 kW prime) diesel generator set, model SD0230, SN-7872791. Iveco/FPT model F2CE9685A-E002 8.7L, engine rated 359HP at 1800 RPM, SN-029729, EPA Tier 3...
ConditionUsed
Usage531 Hours
Horse Power359 HP
Engine ModelF2CE9685A-E002 8.7L
Emission RatingUSA Tier 3
Stock NumberCentral States #4443
MLS Number12709474
Last Updated5/20/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Generac 9105290100 Generator
10 0

Generac 9105290100 Generator

Recently Updated
Call for price
-Information coming soon
ConditionUsed
Stock NumberZID-140515
MLS Number12378911
Last Updated5/20/2024
Location
Austin, TX, US
Sold By

Zadoon

Cummins DFGB Diesel Generator
9 1

1998 Cummins DFGB Diesel Generator

Newly Listed
$49,900 USD
Used Cummins 600 kW standby (545 kW prime) diesel generator set model DFGB, SN-K990020212. Cummins VTA28-G5 engine rated 900 HP at 1800 RPM, SN-25247989. 3/60/277/480V, 12 lead...
ConditionUsed
Usage676 Hours
Horse Power900 HP
Engine ModelCummins VTA28-G5
Stock NumberCentral States #4101
MLS Number12879509
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Cummins DFGB Diesel Generator
10 1

1992 Cummins DFGB Diesel Generator

Newly Listed
$39,900 USD
Used Cummins 600 kW standby (545 kW prime) diesel generator set model DFGB, SN-K920493081. Cummins VTA28-G5 engine rated 900 HP at 1800 RPM, SN-25186921. 3/60/277/480V, 12 lead reconnectable...
ConditionUsed
Usage481 Hours
Horse Power900 HP
Engine ModelCummins VTA28-G5
Stock NumberCentral States #4487
MLS Number12879508
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Caterpillar XQ350 Mobile Power Module Generator Set
2 0

2014 Caterpillar XQ350 Mobile Power Module Generator Set

Recently Updated
$223,000 USD
2014 CAT XQ350 T4I, ABC, C13 ENGINE, CAT EMCP 4.2 CONTROL PANEL, DUAL VOLTAGE, GENERATOR END, NEW CONTROL PANEL, Online Owner's Manual, PORTABLE GENERATOR SET, ZERO HOUR REBUILT ENGINE AND,...
ConditionUsed
Usage1 Hours
Stock NumberXEU0009
MLS Number12804873
Last Updated5/20/2024
Location
Topeka, KS, US
Sold By

Foley Equipment

Cummins DQCB Diesel Generator
8 0

2024 Cummins DQCB Diesel Generator

Recently Updated
$249,900 USD
*****ETA July 1, 2024***** New Cummins 750 kW standby (680 kW prime) diesel generator set, model DQCB. Cummins QSK23-G7 engine rated 1220 HP at 1800 RPM, EPA Tier 2 emissions. 3/60/277/480V,...
ConditionNew
Horse Power1220 HP
Engine ModelCummins QSK23-G7 NR2
Emission RatingUSA Tier 2
Stock NumberCentral States #3775
MLS Number12852032
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Cummins DQCB Diesel Generator
8 0

2024 Cummins DQCB Diesel Generator

Recently Updated
$249,900 USD
*****ETA July 1, 2024***** New Cummins 750 kW standby (680 kW prime) diesel generator set, model DQCB. Cummins QSK23-G7 engine rated 1220 HP at 1800 RPM, EPA Tier 2 emissions. 3/60/277/480V,...
ConditionNew
Horse Power1220 HP
Engine ModelCummins QSK23-G7 NR2
Emission RatingUSA Tier 2
Stock NumberCentral States #3774
MLS Number12852021
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Cummins C200D6D Diesel Generator
10 0

2024 Cummins C200D6D Diesel Generator

Recently Updated
$64,900 USD
*****Just in***** New Cummins 200 kW standby (180 kW prime) diesel generator set, model C200D6D, SN-E240336857. Cummins QSB7-G5 NR3 engine rated 324 HP at 1800 RPM, SN-22661089, EPA Tier 3...
ConditionNew
Horse Power324 HP
Engine ModelCummins QSB7-G5 NR3
Emission RatingUSA Tier 3
Stock NumberCentral States #3481
MLS Number12788879
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Cummins C200D6D Diesel Generator
10 0

2024 Cummins C200D6D Diesel Generator

Recently Updated
$64,900 USD
*****Just in***** New Cummins 200 kW standby (180 kW prime) diesel generator set, model C200D6D, SN-E240336856. Cummins QSB7-G5 NR3 engine rated 324 HP at 1800 RPM, SN-22650322, EPA Tier 3...
ConditionNew
Horse Power324 HP
Engine ModelCummins QSB7-G5 NR3
Emission RatingUSA Tier 3
Stock NumberCentral States #3480
MLS Number12788878
Last Updated5/19/2024
Location
Waukesha, WI, US
Sold By

Central States Diesel Generators

Caterpillar XQ350 Mobile Power Module Generator Set
4 0

2014 Caterpillar XQ350 Mobile Power Module Generator Set

Recently Updated
Call for price
ConditionUsed
Usage6,990 Hours
Stock NumberRP14843
MLS Number12628493
Last Updated5/19/2024
Location
Amarillo, TX, US
Sold By

Warren Power Systems

Caterpillar XQ350 Mobile Power Module Generator Set
4 0

2012 Caterpillar XQ350 Mobile Power Module Generator Set

Recently Updated
Call for price
ConditionUsed
Usage15,066 Hours
Stock NumberRP11983
MLS Number12624105
Last Updated5/19/2024
Location
Lubbock, TX, US
Sold By

Warren Power Systems

Caterpillar 3412C Generator
1 0

1999 Caterpillar 3412C Generator

Recently Updated
Call for price
Online Owner's Manual, Package Type Cat Standard Unit,
ConditionUsed
Usage499 Hours
Stock NumberEU00122
MLS Number12706205
Last Updated5/20/2024
Location
Knoxville, TN, US
Sold By

Stowers Power Systems

Kohler 155 KW Generator
8 1

Kohler 155 KW Generator

Recently Updated
Call for price
kohler 155kw with john deere engine
ConditionUsed
Usage3 Hours
MLS Number12662738
Last Updated5/20/2024
Location
Decatur, TX, US
Sold By

Industrial Diesel, Inc.

Multiquip GENSET 125 Generator
9 0

2021 Multiquip GENSET 125 Generator

Recently Updated
$57,000 USD
ConditionUsed
Usage3,487 Hours
Stock NumberCRS22-175
MLS Number12540410
Last Updated5/19/2024
Location
Turlock, CA, US
Sold By

Holt of California

Caterpillar 3508SITA Generator
8 0

2011 Caterpillar 3508SITA Generator

Recently Updated
$169,436.30 USD
Online Owner's Manual,
ConditionUsed
Stock Number000000000010396437
MLS Number12860243
Last Updated5/20/2024
Location
Madrid, Spain
Sold By

Barloworld Finanzauto

Did you find what you were looking for? Yes No

The Marketplace for Buying and Selling Industrial Generators

A generator set, aka a "gen set", can provide power to any job site that is not connected to grid or otherwise needs an emergency supply. In addition, a gen set can save money by producing power during peak hours when energy costs the most (a practice known as “peak shaving”). We are pleased to offer a huge listing of gas, natural gas, and diesel generator sets for all of your power supply needs.

Choosing the Right Gen Set

A gen set can be split into three main types:

  • Diesel Generator Sets – A diesel genset has better fuel efficiency than a gas gen set, but usually cost more. Earlier models are much noisier than modern versions.
  • Gasoline Generator Sets – Although less expensive than diesel, their components are actually more expensive to replace. More popular than diesel when it comes to intermittent use.
  • Natural Gas – The most expensive gen set to operate is also potentially explosive, so caution must be taken at all times. However, since many buildings have a natural gas line, you usually won’t need to store fuel.

Whether you choose a natural gas, gasoline, or diesel genset, you will need to decide on the best cooling system. Again, there are three types:

  • Air-cooled – The loudest and cheapest cooling system with low maintenance costs (typically received for smaller generator sets).
    Typically used for power levels ranging from 8 to 20 kilowatts.
  • Water-cooled – Larger generator sets require liquid cooling, which is quieter than air, but also more complex and oftentimes messier.
    Typically used for power levels ranging from 25 to 60 kilowatts.
  • Hydrogen – The most powerful gen set is also the most dangerous; hydrogen is highly combustible and most be closely monitored.
    Typically used for power levels above 60 kilowatts.
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