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#: USP002163

800 kW 2005 Caterpillar XQ800 Diesel Generator

Less Than 4000 Hours. 60 Hz, FUEL TANK. 800 kW, 1000 kVA, 277/480 Volt, 1203 amps, 60 Cycles/Hz, 1800 RPM, Three Phase, 0.8 pf, 12 Lead, 130 Temp Rise, Stand By Rating, 597 Frame Size. PAINTED AND LOAD...
Call For Price Item#: USP002176

800 kW 2005 Caterpillar Diesel Generator

Less Than 4000 Hours. 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 0, DOM: 9/2005, Generator: 1000...
$122,900 Item#: USP000120

750 kW 2002 Caterpillar 3412 Diesel Generator

90 Hours. 2000gal Fuel Tank, Weather Enclosure, 60 Hz, 480V /w 1200 Amp, 3 pole circuit breaker, Enclosed with large fuel tank and in great working order. Load banked and painted upon request. Call today.
$102,200 Item#: USP000123

750 kW 1985 Caterpillar 3508 Diesel Generator

Less Than 800 Hours. No Enclosure, 60 Hz, 480V with muffler. Load tested and USPE Certified. Analog display panel.
Call For Price Item#: USP000264

750 kW 2001 Caterpillar XQ750 Diesel Generator

2605 Hours. 1250gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, Tier 1 Emissions. 480V. Interior Lights. EMCP2 Control Panel. Double-Axle Chassis. Rental grade XQ package wih multi voltage interior lights, EMCP2 Controls.
Call For Price Item#: USP002677

750 kW Caterpillar D399 Diesel Generator

~1600 Hours. 60 Hz, GENERATOR MODEL: SRCR KVA: 937.5 VOLTAGE: 460 BLOCK HEATER: YES
Call For Price Item#: USP002671

750 kW Caterpillar D399 Diesel Generator

Less Than 1600 Hours. 60 Hz, KVA: 937.5 VOLTAGE: 460 BLOCK HEATER: YES
$138,700 Item#: USP002455

750 kW 2001 Caterpillar XQ750 Diesel Generator

Less Than 4200 Hours. 660gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, LOW HOURS! PREMIUM RENTAL PACKAGE 750KW WITH 660 GAL EXTENDED RUN PREMIUM DIESEL FUEL TANK. TIER 1 RATED, MOBILE XQ RENTAL PACKAGE WITH INTERIOR LITES, CRITICAL MUFFLER ON 20'...
Call For Price Item#: USP000535

750 kW Caterpillar D349TA Diesel Generator

Low Hours. No Enclosure, 60 Hz, 277/480 Volt, 3 phase, 1800 RPM. Includes radiator, fan, fan drive, safety shutdowns, electric start battery charging system, mounted circuit breaker, meter panel, and auto or...
$98,900 Item#: USP000684

750 kW Caterpillar D399 Diesel Generator

~1540 Hours. No Enclosure, 60 Hz, 460 Volt --- Block Heater 937.5 kVA
Call For Price Item#: USP000708

750 kW 2001 Caterpillar XQ750 Diesel Generator

~4215 Hours. 650gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, Dual voltage changeover board, double wall integrated fuel tank, load tested, tandem axle trailer chassis - unit can be place on ground/pad
$52,200 Item#: USP000923

750 kW 1996 Caterpillar 3412 DITA Diesel Generator

No Enclosure, 60 Hz, Cat 3412A, 1800 rpm, EMPC eng/gen control panel, radiator, alternator, filters, elec start, 4 ea turbos, Gen End Cat SR4-B, 480 volts, 3 ph, breaker, WYE connection, Frame 597,...
Call For Price Item#: USP001328

750 kW 1999 Caterpillar 3412 Diesel Generator

Less Than 600 Hours. Sound Attenuated Enclosure, 60 Hz,
Call For Price Item#: USP001432

750 kW 1991 Caterpillar D349 Diesel Generator

Less Than 2000 Hours. No Enclosure, 60 Hz, Engine: 24 Volt Electric Starter, Dry Type Air Cleaner, Woodward 8250 Governor, 1100HP @ 1800RPM, Generator: 937.5 kVA, 277/480 Volt, 1128 amps, 60 Cycles/Hz, 1800 RPM, Three...
Call For Price Item#: USP001693

750 kW Caterpillar 3412 Diesel Generator

No Enclosure, 60 Hz, Rebuilt. 480 VOLT, 3 PHASE, 1800 RPM. MOUNTED RADIATOR, FAN, FAN DRIVE, CATERPILLAR SR4 BRUSHLESS GENERATOR END, CATERPILLAR EMCP CONTROL PANEL, ALTERNATOR, ELECTRIC START,...
Call For Price Item#: USP001695

750 kW Caterpillar 3508GTA Diesel Generator

No Enclosure, 60 Hz, 277/480 VOLT, 3 PHASE, 1800 RPM. UNIT COMES COMPLETE WITH MOUNTED RADIATOR, FAN, FAN DRIVE, SAFETY SHUTDOWNS, ALTERNATOR, ELECTRIC START, STANDARD AIR CLEANER, MOUNTED CONTROL...
Call For Price Item#: USP001701

750 kW Caterpillar D349TA Diesel Generator

No Enclosure, 60 Hz, 277/480 VOLT, 3 PHASE, 1800 RPM. INCLUDES RADIATOR, FAN, FAN DRIVE, SAFETY SHUTDOWNS, ELECTRIC START BATTERY CHARGING SYSTEM, MOUNTED CIRCUIT BREAKER, METER PANEL, AND AUTO OR...
Call For Price Item#: USP002206

725 kW 2005 Caterpillar Diesel Generator

Less Than 3500 Hours. Sound Attenuated Enclosure, 60 Hz, PRIME, , 480 volts , 40' container
Call For Price Item#: USP001442

608 kW 1998 Caterpillar 3508B DITA Diesel Generator

Less Than 25000 Hours. No Enclosure, 50 Hz, 24 Volt Electric Starter, 24 Volt Alternator, Dry Type Air Cleaner, Electronic Governor, 0HP @ 1500RPM, 760 kVA, 220/380 Volt, 1155 amps, 1500 RPM, Three Phase, 0.8 pf,...
$47,300 Item#: USP002445

600 kW 1989 Caterpillar 3412 Diesel Generator

Less Than 9700 Hours. No Enclosure, 60 Hz, GOOD WORKING ORDER. NEW CAT HYDROMECHANICAL GOV, NEW CAT VOLTAGE REGULATOR, 9660 HRS SINCE OVERHAUL. CALL FOR YOUR LOAD BANK TEST TODAY!
Call For Price Item#: USP000595

600 kW 1992 Caterpillar XQ600 Diesel Generator

~7900 Hours. 660gal Fuel Tank, Sound Attenuated Enclosure, CAT 3412 engine, 480v, 660 gal, 40’ ISO container,
$86,000 Item#: USP000887

600 kW 2004 Caterpillar 3412 Diesel Generator

2374 Hours. No Enclosure, 60 Hz, 600 kW Standby Skid-Mounted Generator, 3412 DITA Diesel Engine, EMCP II Control Panel, 600 kW Standby @ 480V / 60Hz, 1800 RPM, 1200 A Main circuit breaker, 2301A Load sharing...
$64,400 Item#: USP002447

600 kW 2000 Caterpillar XQ600 Diesel Generator

Less Than 7900 Hours. 200gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 600KW PREMIUM RENTAL PACKAGE. MOBILE WITH FUEL TANK, MULTI-VOLTAGE, CONTROLS. READY TO LOAD BANK TEST AND SHIP TODAY.
$74,200 Item#: USP002449

600 kW 1988 Caterpillar 3412 DITTA Diesel Generator

Less Than 900 Hours. No Enclosure, 60 Hz, LOW HOUR CAT 600KW STANDBY / 545 PRIME DIESEL GENERATOR WITH BRUSHLESS MARRATHON GENERATOR (RATED 660KW) AND REMOTE RADIATOR. LOAD BNK TESTED AND SHIPPED TODAY.
$188,200 Item#: USP001402

600 kW 2007 Caterpillar XQ600 Diesel Generator

Less Than 1100 Hours. Sound Attenuated Enclosure, 60 Hz,
Call For Price Item#: USP001694

600 kW Caterpillar 3412 Diesel Generator

No Enclosure, 60 Hz, Rebuilt. 480 VOLT, 3 PHASE, 1800 RPM. INCLUDES 23.8 SQUARE FOOT RADIATOR, BLOWER FAN, FAN DRIVE, PSG GOVERNOR, HMSO SAFETY SHUTDOWNS, HEAVY DUTY AIR CLEANER, AIR START, METER...
Call For Price Item#: USP001749

600 kW 2004 Caterpillar 3412 Diesel Generator

502 Hours. 600gal Fuel Tank, Sound Attenuated Enclosure, 60 Hz, 120/208 V Permanebnt Magnet 595 Frame Generator, Battery Charge 10 AMP, 2301 Electronic Governor, No Breaker, EMCP II Plus, Space Heater LOW HRS IN MINT CONDITION.
Call For Price Item#: USP002178

600 kW 2007 Caterpillar XQ600 Cat Rental Trailer Package Diesel Generator

Less Than 2000 Hours. Sound Attenuated Enclosure, 60 Hz, Engine: Radiator Cooled, 24 Volt Electric Starter, 24 Volt Alternator, Dry Type Air Cleaner, Electronic Governor, Tier 2, HP @ 1800RPM, SAE 0, Generator: 750 kVA, 277/480 Volt,...
Call For Price Item#: USP002182

600 kW 2001 Caterpillar Diesel Generator

Less Than 510 Hours. 60 Hz, Engine: 24 Volt Electric Starter, 24 Volt Alternator, Dry Type Air Cleaner, Electronic Governor, 896HP @ 1800RPM, SAE 0. Generator: Brand: Caterpillar, 750 kVA, 120/208...
Call For Price Item#: USP001426

508 kW 2005 Caterpillar 3412 Diesel Generator

Less Than 7100 Hours. Sound Attenuated Enclosure, 50 Hz, 1200 Amp 3-pole circuit breaker, EMCPII+ control panel. Dimensions (LxWxH): 240.16 x 96.06 x 126.77 inch. Prime, 1500 RPM, 85 dB(A) @ 3m, shipping weight: 22,046.23 lbs.,...