Caterpillar Generator Sets For Sale in Iowa and Surrounding Areas

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1997 Caterpillar 3306B Generator Set W/Fuel Tank & Parts

Newly Listed

At auction Jun. 10

1997 Caterpillar 3306B Generator Set W/Fuel Tank Parts, 3,477 hrs showing, Replaced with larger unit, SN: 9NR02027

Condition	Used
Stock Number	KC4384
MLS Number	14396097
Category	Generator Sets
Last Updated	5/30/2026
Location	Desmet, SD, US
Listed By	BigIron Auctions

2001 Caterpillar 3412 Generator

2026 Caterpillar C7.1 Diesel Generator

Newly Listed

$74,900 USD

*****ETA Aug 1, 2026*****New Caterpillar 200 kW standby (180 kW prime) diesel generator set. CAT C7.1 engine rated 272 HP at 1800 RPM, EPA Tier 3 emissions. 3/60/277/480V, 12 lead...

Condition	New
Horse Power	272 HP
Engine Model	Caterpillar C7.1
Emission Rating	USA Tier 3
Stock Number	Central States #5077
MLS Number	14391441
Category	Generator Sets
Last Updated	5/27/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2026 Caterpillar C13 Diesel Generator

Newly Listed

$129,900 USD

*****ETA July 1, 2026***** New Caterpillar 400 kW standby diesel generator set. CAT C13 engine rated 609 HP at 1800 RPM, EPA Tier 3 emissions. 3/60/277/480V. 600 Amp main-line circuit...

Condition	New
Horse Power	609 HP
Engine Model	Caterpillar C13
Emission Rating	USA Tier 3
Stock Number	Central States #5078
MLS Number	14391439
Category	Generator Sets
Last Updated	5/27/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2024 Caterpillar C27 Diesel Generator

$279,900 USD

New Caterpillar 800 kW standby (725 kW prime) diesel generator set, SN-GNF00195. CAT C27 engine rated 1214 HP at 1800 RPM, SN-MJE05535, EPA Tier 2 emissions. 3/60/277/480V, 12 lead...

Condition	New
Horse Power	1214 HP
Engine Model	Caterpillar C27
Emission Rating	USA Tier 2
Stock Number	Central States #5032
MLS Number	14308865
Category	Generator Sets
Last Updated	5/22/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2024 Caterpillar C27 Diesel Generator

$279,900 USD

New Caterpillar 800 kW standby (725 kW prime) diesel generator set, SN-GNF00190. CAT C27 engine rated 1214 HP at 1800 RPM, SN-MJE05528, EPA Tier 2 emissions. 3/60/277/480V, 12 lead...

Condition	New
Horse Power	1214 HP
Engine Model	Caterpillar C27
Emission Rating	USA Tier 2
Stock Number	Central States #5031
MLS Number	14308863
Category	Generator Sets
Last Updated	5/22/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2024 Caterpillar C18 Diesel Generator

$119,900 USD

New Caterpillar 550 kW standby diesel generator set, SN-R2K00190. CAT C18 engine rated 900 HP at 1800 RPM, SN-FST03501, EPA Tier 2 emissions. 3/60/277/480V, 12 lead reconnectable to other...

Condition	New
Horse Power	900 HP
Engine Model	Caterpillar C18
Emission Rating	USA Tier 2
Stock Number	Central States #4971
MLS Number	12921634
Category	Generator Sets
Last Updated	4/17/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2024 Caterpillar C15 Diesel Generator

$99,900 USD

New Caterpillar 500 kW standby diesel generator set, SN-RK500535. CAT C15 engine rated 762 HP at 1800 RPM, SN-FTE06261, EPA Tier 2 emissions. 3/60/277/480V, 12 lead reconnectable to other...

Condition	New
Horse Power	762 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 2
Stock Number	Central States #4989
MLS Number	14229823
Category	Generator Sets
Last Updated	4/16/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2026 Caterpillar C9 Diesel Generator

$109,900 USD

*****ETA Aug 1, 2026***** New Caterpillar 300 kW standby (270 kW prime) diesel generator. CAT C9 engine rated 436 HP at 1800 RPM, EPA Tier 3 emissions. 3/60/277/480V, 12 lead reconnectable...

Condition	New
Horse Power	436 HP
Engine Model	Caterpillar C9
Emission Rating	USA Tier 3
Stock Number	Central States #5033
MLS Number	14308799
Category	Generator Sets
Last Updated	4/16/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Caterpillar D500GC Diesel Generator

$139,900 USD

New Caterpillar 500 kW standby (455 kW prime) diesel generator set, SN-RK500411. CAT C15 engine rated 762 HP at 1800 RPM, EPA Tier 2 emissions. 3/60/277/480V. 800 Amp main-line circuit...

Condition	New
Horse Power	762 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 2
Stock Number	Central States #5021
MLS Number	14278046
Category	Generator Sets
Last Updated	4/1/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

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Caterpillar SR4 Generator

$45,000 USD

Cat 3406, 3 phaze, 10 wire, 480 volts/481 amps, 400 KVA/320 KW, 9,941 hours showing,

Condition	Used
MLS Number	13229665
Category	Generator Sets
Last Updated	3/24/2026
Location	Three Lakes, WI, US
Sold By	Three Lakes Truck and Equipment

2023 Caterpillar D500GC Diesel Generator

$139,900 USD

New Caterpillar 500 kW standby (455 kW prime) diesel generator set, SN-RK500414. CAT C15 engine rated 762 HP at 1800 RPM, SN-FTE05894, EPA Tier 2 emissions. 3/60/277/480V. 800 Amp main-line...

Condition	New
Horse Power	762 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 2
Stock Number	Central States #4976
MLS Number	14229676
Category	Generator Sets
Last Updated	3/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2020 Caterpillar XQ570 Diesel Generator

$229,900 USD

Used Caterpillar XQ570 500 kW standby (455 kW prime) rental grade diesel generator, SN-ME500244. CAT C18 engine rated 779 HP at 1800 RPM, SN-CM800382, EPA Tier 4 Final emissions....

Condition	Used
Usage	2,011 Hours
Horse Power	779 HP
Engine Model	Caterpillar C18
Emission Rating	USA Tier 4 Final
Stock Number	Central States #4813
MLS Number	14229246
Category	Generator Sets
Last Updated	3/7/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2018 Caterpillar XQ425 Diesel Generator

$179,900 USD

Used Caterpillar XQ425 375 kW standby (340 kW prime) rental grade diesel generator, SN-X8H00137. CAT C13 engine rated 518 HP at 1800 RPM, SN-NF300186, EPA Tier 4 Final emissions. ...

Condition	Used
Usage	1,698 Hours
Horse Power	518 HP
Engine Model	Caterpillar C13
Emission Rating	USA Tier 4 Final
Rear Axle	Tandem Axle
Stock Number	Central States #4482
MLS Number	12808267
Category	Generator Sets
Last Updated	2/5/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2013 Caterpillar C15 Diesel Generator

$79,900 USD

Caterpillar 400 kW standby (365 kW prime) diesel generator set, SN-C5E04128. CAT C15 engine rated 619 HP at 1800 RPM, SN-FTE01459, EPA Tier 3 emissions. 3/60/277/480V, 12 lead reconnectable...

Condition	Used
Usage	203 Hours
Horse Power	619 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 3
Stock Number	Central States #4786
MLS Number	13742082
Category	Generator Sets
Last Updated	1/28/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2007 Caterpillar 3516C Diesel Generator

$649,900 USD

Caterpillar 2000 kW standby (1825 kW prime) diesel generator set, SN-SBJ00409. CAT 3516C engine rated 2937 HP at 1800 RPM, SN-SBJ00409, EPA Tier 2 emissions. 3/60/277/480V. 3000 Amp...

Condition	Used
Usage	237 Hours
Horse Power	2937 HP
Engine Model	Caterpillar 3516C
Emission Rating	USA Tier 2
Stock Number	Central States #4695
MLS Number	13558427
Category	Generator Sets
Last Updated	10/9/2025
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2007 Caterpillar 3516C Diesel Generator

$649,900 USD

Caterpillar 2000 kW standby (1825 kW prime) diesel generator set, SN-SBJ00406. CAT 3516C engine rated 2937 HP at 1800 RPM, SN-SBJ00406, EPA Tier 2 emissions. 3/60/277/480V. 3000 Amp...

Condition	Used
Usage	234 Hours
Horse Power	2937 HP
Engine Model	Caterpillar 3516C
Emission Rating	USA Tier 2
Stock Number	Central States #4694
MLS Number	13558423
Category	Generator Sets
Last Updated	10/9/2025
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2019 Caterpillar XQ230 Diesel Generator

$89,900 USD

Used Caterpillar XQ230 200 kW standby (182 kW prime) rental grade diesel generator, SN-CK200192. CAT C7.1 engine rated 320 HP at 1800 RPM, SN-7L300467, EPA Tier 4 Final emissions....

Condition	Used
Usage	4,146 Hours
Horse Power	320 HP
Engine Model	Caterpillar C7.1
Emission Rating	USA Tier 4 Final
Rear Axle	Tandem Axle
Stock Number	Central States #4522
MLS Number	12978894
Category	Generator Sets
Last Updated	8/22/2025
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

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2023 Caterpillar XQ 35 Generator

$28,700 USD

110% Spill Containment, Auto Start, Battery Charger, Battery Disconnect Switch, Cat Brand Genset, Coolant Heater, Engine Governor, Engine Type - Diesel, Frequency - 60 Hz, Fuel Tank Type -...

Condition	Used
Usage	2,843 Hours
Stock Number	EQ0066779
MLS Number	13765076
Category	Generator Sets
Last Updated	8/19/2025
Location	Hugo, MN, US
Sold By	Ziegler CAT

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2021 Caterpillar XQ 35 Generator

$18,500 USD

110% Spill Containment, Auto Start, Battery Charger, Battery Disconnect Switch, Cat Brand Genset, Coolant Heater, Engine Governor, Engine Type - Diesel, Frequency - 60 Hz, Fuel Tank Type -...

Condition	Used
Usage	3,300 Hours
Stock Number	EQ0002579
MLS Number	13765073
Category	Generator Sets
Last Updated	8/19/2025
Location	Hugo, MN, US
Sold By	Ziegler CAT

2019 Caterpillar XQ230 Diesel Generator

$99,900 USD

Used Caterpillar XQ230 200 kW standby (182 kW prime) rental grade diesel generator, SN-CK200218. CAT C7.1 engine rated 320 HP at 1800 RPM, SN-7L300402, EPA Tier 4 Final emissions....

Condition	Used
Usage	2,767 Hours
Horse Power	320 HP
Engine Model	Caterpillar C7.1
Emission Rating	USA Tier 4 Final
Rear Axle	Tandem Axle
Stock Number	Central States #4524
MLS Number	12978897
Category	Generator Sets
Last Updated	2/18/2025
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators