Generac Generator Sets For Sale in United States

2023 Generac SG050NA Natural Gas Generator

Recently Updated

$19,900 USD

New / Surplus Generac 48 kW standby natural gas / LP generator set model SG050NA, SN-. Generac 4.5L engine rated 75 HP at 1800 RPM, SN-, EPA certified. 3/60/120/240V, 12 lead reconnectable...

Condition	New
Horse Power	86 HP
Engine Model	4.5L
Stock Number	Central States #5085
MLS Number	14391506
Category	Generator Sets
Last Updated	6/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Generac SG050NA Natural Gas Generator

Price Drop $14,900 USD

New / Surplus Generac 48 kW standby natural gas / LP generator set model SG050NA, SN-. Generac 4.5L engine rated 75 HP at 1800 RPM, SN-, EPA certified. 3/60/120/240V, 12 lead reconnectable...

Condition	New
Horse Power	86 HP
Engine Model	4.5L
Stock Number	Central States #5081
MLS Number	14391505
Category	Generator Sets
Last Updated	6/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Generac SG050NA Natural Gas Generator

Recently Updated

$19,900 USD

New / Surplus 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...

Condition	New
Horse Power	86 HP
Engine Model	4.5L
Stock Number	Central States #5084
MLS Number	14391480
Category	Generator Sets
Last Updated	6/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Generac SG050NA Natural Gas Generator

Recently Updated

$19,900 USD

New / Surplus 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...

Condition	New
Horse Power	86 HP
Engine Model	4.5L
Stock Number	Central States #5083
MLS Number	14391477
Category	Generator Sets
Last Updated	6/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Generac SG050NA Natural Gas Generator

Recently Updated

$19,900 USD

New / Surplus 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...

Condition	New
Horse Power	86 HP
Engine Model	4.5L
Stock Number	Central States #5082
MLS Number	14391476
Category	Generator Sets
Last Updated	6/12/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

2023 Generac SG035 Natural Gas Generator

Recently Updated

$17,900 USD

New / Surplus Generac 35 kW standby (32 kW prime) natural gas / LP generator set model SG035, SN-. Generac 4.5L engine rated 75 HP at 1800 RPM, SN-, EPA certified. 1/60/120/240V single phase...

Condition	New
Horse Power	62 HP
Engine Model	4.5L
Stock Number	Central States #5086
MLS Number	14391509
Category	Generator Sets
Last Updated	6/10/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

(833) 441-___ SHOW
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Generac 20A04575-S Diesel Generator

Recently Updated

At auction Jun. 18

GENERAC 80 KW STATIONARY GENERATOR, 80 KVA, 666.6/333.3 AMPS, 1-PHASE, 4 CYL, DIESEL

Lot Number	1153
Condition	Used
Stock Number	596021
MLS Number	14405483
Category	Generator Sets
Last Updated	6/10/2026
Location	Brooklyn, MS, US
Listed By	Jeff Martin Auctioneers

(833) 441-___ SHOW
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Generac 93A04631-S Diesel Generator

Recently Updated

At auction Jun. 18

GENERAC STATIONARY GENERATOR, Â 50 KVA, 60.21 AMPS, 3-PHASE, 3 CYL, DIESEL, 35 KW, HOUR METER READS: 1090, ***NO BATTERY***

Lot Number	1154
Condition	Used
Stock Number	596022
MLS Number	14405480
Category	Generator Sets
Last Updated	6/10/2026
Location	Brooklyn, MS, US
Listed By	Jeff Martin Auctioneers

(833) 441-___ SHOW
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Generac Generator

Recently Updated

At auction Jun. 18

2014 GENERAC STATIONARY GENERATOR, 1-PHASE, LPG, 27KW, HOUR METER READS: 245, ***NO BATTERY, TURNS OVER BUT WILL NOT START DUE TO LOW FUEL PRESSURE***

Lot Number	1157
Condition	Used
Stock Number	298951
MLS Number	14392089
Category	Generator Sets
Last Updated	6/10/2026
Location	Brooklyn, MS, US
Listed By	Jeff Martin Auctioneers

Generac GP3250 portable gas generator

At auction Jun. 17

Generac GP3250 portable gas generator, 3250 Running Watts, Rope Start Single Cylinder Gas Engine, 1- 120/240 Volt Twist Lock Connector, 2- 120 Volt Outlets, In Cart with Wheels and Flip Down...

Condition	Used
Stock Number	LK5193
MLS Number	14407193
Category	Generator Sets
Last Updated	6/4/2026
Location	Davenport, NE, US
Listed By	BigIron Auctions

2019 Generac G0071900 15kw Generator

At auction Jun. 17

2019 Generac G0071900 15kw Generator, Diesel engine, Single Phase, 120/240V, 63 Amps, 1,800RPM, SN: 3004274580

Condition	Used
Stock Number	IP8488
MLS Number	14403412
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac G0071900 15kw Generator

At auction Jun. 17

2018 Generac G0071900 15kw Generator, Diesel engine, Single Phase, 120/240V, 1,800RPM, 63 Amps, SN: 3004021765

Condition	Used
Stock Number	IP8492
MLS Number	14403411
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2019 Generac 15kw Generator

At auction Jun. 17

2019 Generac 15kw Generator, Model: G0071900, Single Phase, 120/240 Volt, 63 Amp, 1,800 Engine RPM, Double Wall Tank, Diesel Engine, SN: 3004470883

Condition	Used
Stock Number	IP8474
MLS Number	14403410
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2016 Generac SG50 50KW Generator

At auction Jun. 17

2016 Generac SG50 50KW Generator, Diesel engine, Single Phase, 120/240V, 1,800RPM, 200Amps, SN: 3000099327

Condition	Used
Stock Number	IP8490
MLS Number	14403406
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 22kw Generator

At auction Jun. 17

2018 Generac MMG251F4 22kw Generator, Izuzu diesel engine, 240V/92Amp, Single Three Phase, 1,800 RPM, MagnaPlus AC Generator, Pintle Hook, ST205/75R15 tires, SN: 3003491163

Condition	Used
Stock Number	IP8481
MLS Number	14403404
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 Generator

At auction Jun. 17

2018 Generac MMG251F4 Generator, Isuzu Diesel eng., Single and Three Phase, 1,800RPM, 240V, 92 Amps., pintle hook, adjustable tongue, ST225/75R15 tires, SN: 3003368972

Condition	Used
Stock Number	IP8485
MLS Number	14403403
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 22kw Generator

At auction Jun. 17

2018 Generac MMG251F4 22kw Generator, Isuzu Diesel eng, Single Three Phase, 1,800RPM, 240V, 92 Amps, adjustable tongue, ST225/75R15 tires, SN: 3003491161

Condition	Used
Stock Number	IP8489
MLS Number	14403402
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 22KW Generator

At auction Jun. 17

2018 Generac MMG251F4 22KW Generator, Isuzu Diesel engine, Single Three Phase, 1,800RPM, 240V, 92 Amps, adjustable tongue, ST225/75R15 tires, SN: 3003491169

Condition	Used
Stock Number	IP8491
MLS Number	14403396
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2015 Generac MMG251F4 22kw Generator

At auction Jun. 17

2015 Generac MMG251F4 22kw Generator, Pintle Hook, adjusting tongue, Single axle trailer w/ stands, MagnaPlus AC Generator, Single Three Phase, 240 Volt, 1,800 Engine, RPM, 92 Amp,...

Condition	Used
Stock Number	IP8476
MLS Number	14403395
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 22kw Generator

At auction Jun. 17

2018 Generac MMG251F4 22kw Generator, Izuzu engine, adjusting tongue, Single axle trailer w/ stands, MagnaPlus AC Generator, Single Three Phase, 240 Volt, 1,800 Engine RPM, 92 Amp,...

Condition	Used
Stock Number	IP8480
MLS Number	14403394
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

2018 Generac MMG251F4 22kw Generator

At auction Jun. 17

2018 Generac MMG251F4 22kw Generator, Isuzu Diesel engine, Single Three Phase, 1,800RPM, 240V, 92 Amps, pintle hook, adjustable tongue, ST225/75R15 tires, SN: 3003491159

Condition	Used
Stock Number	IP8484
MLS Number	14403393
Category	Generator Sets
Last Updated	6/3/2026
Location	Springfield, IL, US
Listed By	BigIron Auctions

1992 Generac Portable 100kW Generator w/White Industrial Multifuel Power Unit

At auction Jun. 3

1992 Generac Portable 100kW Generator w/White Industrial Multifuel Power Unit, Qty-1, 2 5/16” Ball Hitch, Safety Chains, White 134hp 6-Cyl Diesel Engine with Generator Set and Fuel Tank,...

Condition	Used
Stock Number	LX0665
MLS Number	14403352
Category	Generator Sets
Last Updated	6/3/2026
Location	Hartington, NE, US
Listed By	BigIron Auctions

2020 Generac SD060 Diesel Generator

$19,900 USD

New / Surplus Generac 60 kW standby (54 kW prime) diesel generator set model SD060, SN-3006214629. Iveco / FPT 4FGE9455A*J 4.5L engine rated 93 HP at 1800 RPM, SN-01767467, EPA Tier 3...

Condition	Used
Usage	1 Hours
Horse Power	93 HP
Engine Model	4.5L
Emission Rating	USA Tier 3
Stock Number	Central States #5079
MLS Number	14391457
Category	Generator Sets
Last Updated	5/27/2026
Location	Waukesha, WI, US
Sold By	Central States Diesel Generators

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2006 Generac SD0150 Diesel Generator

$30,500 USD

IN TRANSIT THE GENERAC SD0150 IS A 150 KW INDUSTRIAL DIESEL GENERATOR FACTORY-MOUNTED ON A HEAVY-DUTY TOWABLE TRAILER, MAKING IT IDEAL FOR MOBILE POWER APPLICATIONS. THIS UNIT FEATURES A...

Condition	Used
Usage	247 Hours
Stock Number	10137
MLS Number	14171209
Category	Generator Sets
Last Updated	5/1/2026
Location	Holland, MI, US
Sold By	HES Equipment / A&B Farms