Used & Surplus Caterpillar Generators For Sale

USP&E sells Cat generators and stocks a large inventory of Cat diesel generators to choose from. Our cat generators are mostly model year 1999 or newer and have low hours since new. Whether you need parts or a complete unit, USP&E is the place to be if you want low everyday prices and friendly, proactive, creative and flexible customer service.

Caterpillar makes a very good generator with great reviews. Cat is famous for manufacturing some of the finest power generators and industrial engines on the market today. With clean diesel engines designed to last for thousands of hours before any maintenance is required, you can rest easy knowing your Cat genset will be there to provide the standby emergency or prime power when you need it most.

US Power & Environment specializes in low-hour used generators from 50 kW to 3000 kW. We offer diesel, natural gas, propane, and electric power continuous and emergency standby generators. Whether you are just looking for one open skid Cat generator or you require 3 dozen enclosed diesel Cat generators for your facility, you are looking in the right spot. We have Cat 3516 generators, Cat 3512 generators, Cat 3508 generators, and also sell the 3400 series units as well. Please call us at 888-515-8773 or email our team at info@uspowerco.com today for more information on our Cat generators for sale.

If you do not see the equipment you are searching for, be sure to contact us with your requirements, as it may not be listed yet or we can potentially locate it (or a comparable substitute) for you. We have a large network of clients and end users who are often looking to liquidate their generators and switchgear.

251 Generators
Call For Price Item#: USP001657

500 kW 1992 Caterpillar 3412 Diesel Generator

Less Than 400 Hours. Weather Enclosure, 60 Hz, 480/277 V, 3 phase, 317 SN #38S-11122 SN #38S-05092 $1,986.00 Load Banked for 4 Hours Weather Enclosed No Fuel Tank FOB TX $43,000 each
$46,800 Item#: USP001725

500 kW Caterpillar 3412 TA Diesel Generator

277 Hours. Weather Enclosure, 60 Hz, Frame 680X, Ambient 40 Deg C, Rise 130 Deg C, 12 lead Reconnectable,
$17,900 Item#: USP002341

500 kW 2009 Caterpillar 3456 Cat Diesel Generator

Less Than 15000 Hours. No Enclosure, 60 Hz, - CAT 3456 GENSET ENGINE - 500KW, INSTALLED RADIATOR - NEW CUMMINS/NEWAGE GEN END ADDED - NOV. 2009
Call For Price Item#: USP002160

500 kW 2005 Caterpillar XQ500 with 3456 Diesel Engine Diesel Generator

Less Than 2900 Hours. 600gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, CAT 3456 Diesel Engine Sound Attenuated 20 ft. Container EMCP Control Panel Dual Voltage Capable Main circuit breaker Dual Wall Fuel tank Dual axle chassis Jacket water...
$17,900 Item#: USP002342

500 kW 2009 Caterpillar 3456 Cat Diesel Generator

Less Than 15000 Hours. No Enclosure, 60 Hz, - CAT 3456 GENSET ENGINE PACKAGE - 500KW, ENGINE MOUNTED RADIATOR - NEW CUMMINS/NEWAGE GEN END ADDED - NOV. 2009 - GOOD WORKING UNIT.
Call For Price Item#: USP002310

500 kW 1999 Caterpillar 3412 Diesel Generator

480gal Fuel Tank, No Enclosure, 60 Hz, 1800 RPM, 480/277 Volts, 3Ph
Call For Price Item#: USP000547

475 kW Caterpillar Diesel Generator

No Enclosure, 60 Hz, 240/480 Volt. Comes with SR4 generator, radiator, fan, fan drive, safety shutdowns, electric start, alternator, standard air cleaner, control panel, hydramechanical 3%...
$295,700 Item#: USP002457

460 kW 2009 Caterpillar XQ1000RC WITH C32 ENGINE Diesel Generator

Sound Attenuated Enclosure, 60 Hz, PREMIUM RENTAL PACKAGE LOADED WITH BREAKERS, MULT VOLTAGE, PREMIUM EMCP CONTROLS. 480V 60HZ DISTRIBUTION PANELS AND MULTIPLE BREAKERS. FUEL TANK, ALL THE BELLS AND WHISTLES....
Call For Price Item#: USP002265

455 kW Caterpillar 3412 Diesel Generator

Less Than 200 Hours. 60 Hz, Prime Rated, 480 Volts, enclosed with base tank and radiator
Call For Price Item#: USP001469

450 kW 1986 Caterpillar 3412 DIT Diesel Generator

Less Than 410 Hours. No Enclosure, 60 Hz, Engine: Radiator Cooled, 24 Volt Electric Starter, Dry Type Air Cleaner, Hydraulic Governor, 679HP @ 1800RPM, SAE 0, Generator: 562.5 kVA, 277/480 Volt, 677 amps, 1800 RPM,...
Call For Price Item#: USP001436

440 kW 2005 Caterpillar C18 Diesel Generator

9342 Hours. Sound Attenuated Enclosure, 50 Hz, 400 Volt, 1500 RPM, circuit breaker 3-pole 800Amp, space heater
Call For Price Item#: USP002308

420 kW Caterpillar 3412 Diesel Generator

100 Hours. No Enclosure, 60 Hz, 480 Volt, 3 phase, 1800 RPM, Heat Exchange, SR4 Gen End.
Call For Price Item#: USP000486

400 kW 2006 Caterpillar XQ400AG Diesel Generator

1905 Hours. 520gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, Rated 400kW standby/365kW prime, Sound attenuated enclosure - trailer mounted - 3 axle, circuit breakers, Electric starter, charging alternator, jacket water heater, Cat EMCP...
Call For Price Item#: USP002450

400 kW 2007 Caterpillar XQ400AG Diesel Generator

Less Than 1000 Hours. 200gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, PREMIUM RENTAL TRAILER PACKAGE WITH MULTI VOLTAGE, LOW HOURS, 480V 60HZ QUIET SOUND PROOF ENCLOSURE. LOAD BANKED AND SHIPPED TO YOU TODAY.
$77,400 Item#: USP002432

400 kW 2007 Caterpillar XQ400 with C15 Engine Diesel Generator

Less Than 1300 Hours. 450gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, Low Hour Mobile XQ Rental Package with fuel tank, electronic governor, C15 Engine, Dual Axle Trailer, premium control panel, dual voltage changeover board, power distribution...
Call For Price Item#: USP000606

400 kW Caterpillar XQ400 Diesel Generator

~7244 Hours. 520gal Fuel Tank, Sound Attenuated Enclosure, Selectable voltage, trailer mounted
Call For Price Item#: USP000607

400 kW Caterpillar 3406 Diesel Generator

~560 Hours. 385gal Fuel Tank, Trailer mounted, 480volt, HD filter package,
$31,200 Item#: USP002385

400 kW 1979 Caterpillar 3412TT Diesel Generator

Less Than 13500 Hours. No Enclosure, 60 Hz, GOOD WORKING OLDER UNIT. OPEN SKID. LOAD BANK TESTED AND PAINTED. - STANDBY/365KW PRIME, 240/480V, - 3 PHASE, 60HZ, 1800 RPM, CAT - SR-4, RADIATOR, ELECTRIC START, - 3%...
Call For Price Item#: USP000933

400 kW 2007 Caterpillar XQ400AG Diesel Generator

477 Hours. 520gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 400kW standby/365kW prime, sound attenuated enclosure - trailer mounted - 3 axle, circuit breakers, electric starter, charging alternator, jacket water heater, Cat EMCP 3.2...
Call For Price Item#: USP000934

400 kW 2007 Caterpillar XQ400AG Diesel Generator

679 Hours. 520gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 400kW standby/365kW prime, Sound attenuated enclosure - trailer mounted - 3 axle, circuit breakers, electric starter, charging alternator, jacket water heater, Cat EMCP 3.2...
Call For Price Item#: USP000935

400 kW 2007 Caterpillar XQ400AG Diesel Generator

1183 Hours. 520gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 400kW standby/365kW prime, Sound attenuated enclosure - trailer mounted - 3 axle, circuit breakers, electric starter, charging alternator, jacket water heater, Cat EMCP 3.2...
$58,800 Item#: USP000984

400 kW 2001 Caterpillar XQ400 Diesel Generator

5277 Hours. 450gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 400 kW Trailer Mounted Package Diesel Generator, Premium control panel, dual voltage changeover board, electronic governor, alternator, jacket water heater, power distribution...
Call For Price Item#: USP001398

400 kW 2005 Caterpillar XQ400 Diesel Generator

Less Than 1460 Hours. Sound Attenuated Enclosure, 60 Hz, rental Package - multi-voltage - sound proof - trailerized.
Call For Price Item#: USP001439

400 kW 2005 Caterpillar 3412 Diesel Generator

8449 Hours. Sound Attenuated Enclosure, 50 Hz, 415 Volt, 1500 RPM, 75 dBA @ 7 m, 1200 L fuel tank base, 800 Amp circuit breaker
Call For Price Item#: USP001690

400 kW Caterpillar 3408TA "B" Diesel Generator

No Enclosure, 60 Hz, Rebuilt. 277/480V, 3 Phase, 1800 RPM. COMPLETE WITH RADIATOR, FAN, FAN DRIVE, CATERPILLAR SR4 GENERATOR END, CIRCUIT BREAKER, METER PANEL, SAFETY SHUTDOWNS, STANDARD AIR...
Call For Price Item#: USP002185

400 kW 2000 Caterpillar 3406C DITA Diesel Generator

~500 Hours. 1000gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, Engine: Radiator Cooled, 24 Volt Electric Starter, 24 Volt Alternator, Dry Type Air Cleaner, Electronic Governor, Tier 1, HP @ 1800RPM, SAE 1. Generator: 500 kVA, 277/480...
$11,500 Item#: USP002335

375 kW 1975 Caterpillar D346TA Diesel Generator

Less Than 1050 Hours. No Enclosure, 60 Hz, 375KW STANDBY/335KW PRIME CAT WOODWARD GOV, ELECTRIC START, SAFETIES, CHARGING SYSTEM, RAIL MOUNTED, Skid Mounted, NO FUEL - TANK
$11,500 Item#: USP002334

375 kW 1975 Caterpillar D346 Diesel Generator

No Enclosure, 60 Hz,
Call For Price Item#: USP001428

364 kW 2006 Caterpillar 3456 Diesel Generator

9525 Hours. Sound Attenuated Enclosure, 50 Hz, 400 Volt, 85 dB(A) @ 3m, new fuel injectors, reman turbo and water pump, with Caterpillar sound attenuated enclosure
Call For Price Item#: USP001441

364 kW 2004 Caterpillar 3456 Diesel Generator

8744 Hours. Sound Attenuated Enclosure, 50 Hz, 400 Volt, 1500 RPM, new fuel injectors, reman turbo and water pump