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Quality Used & Surplus Power Generators

 
                 

Generator Surplus welcomes you to the best used generator inventory in the country, featuring quality units handpicked for service history, cleanliness, and reliability during operation.

We feature hundreds of well-maintained power generator systems online, organized by power output into four convenient sections for easy browsing. This page features generators 25kw to 200kw, page 2 features generators ranging from 201kW to 400kW, page 3 features 401kw to 1000kw, and page 4 features all units above 1001kw.

                 

Please also visit our New Inventory section for a selection of available new units, or see our Full Used Inventory Listings if you would like to browse a large selection of inventory in one location.

                 
Click To Display All Used Units     Page 01 | 02 | 03 | 04
   
                     
 

25KW

 
Wacker
 
G25T
 
Used Wacker G25T generator trailer. 25 kW, 3 Phase, Trailer Mounted. Great condition and ready for service and reliable power. Generator Surplus features an inventory of more than eighty used, serviced, and well maintained generator trailers ready for operation today! Contact us to discuss features, pricing and availability.

35KW

 
Katolight
 
D35FGP4
 

Katolight 35 kW standby diesel generator, less than 1000 hours, D35FGH4, features White engine model number D2300. Multiple units available setup for propane or diesel use in both sound attenuated and weatherproofed housings.


40KW

 
Kohler
 
45RZG
 

40KW Kohler Fast Response, Natural Gas / Propane Generator Set. 3 Phase, 60 Hertz, 1800 RPM, 0.8 PF. Currently set for 120 / 208 Volts, 3 Phase. 12 Lead Reconnectable. V6 Vortec 4.3L GM NG / Propane Engine. Radiator Cooled, Weatherproof Enclosure. Panel & Safety Shutdown. 150 Amp (3 Pole) Mainline Circuit Breaker. Muffler (Mounted Inside Cabinet). Jacket Water Heater. Charger. 2.9 Total Hours Since New. Dimensions: 87"L x 41"W X 81"H. Manuals & Keys Included.


40KW

 
Coleman
 
GS-C40T
 

40 kW Coleman generator trailer - Well maintained unit, 150 Gallon Fuel Tank, tandem axle trailer, multiple voltatge selector, sound attenuated housing, other features. Priced to sell.


60KW

 
Allis Chalmers
 
AC 3500
 

Allis Chalmers 3500 60 kW generator set, features 12 volt electric starter, 12 volt alternator, radiator cooled cooling, dry type air cleaner, battery, muffler, heather, weatherproof enclosure, and more. 60 kw, 75KVA, 120/208 Volts, 208 Amps, 60 Cycles, 0.8 pf. Auto start, safety shutdowns, control panel, regulator.


60KW

 
Caterpillar
 
XQ60
 

Caterpillar/Olympian, 60 kW Standby / 54 kW Prime, Perkins 1004-40T engine, circuit breaker, 12 volt electric start, 45 amp alternator, electronic governor, batteries, battery charger, jacket water heater, 4000 XQ control panel, multi-voltage distribution panel, 149 gallon fuel tank, sound attenuated enclosure, tandem-axle trailer.


60KW

 
MQ Power
 
DCA 70
 

Multiquip, 60 kW Standby / 56 kW Prime, John Deere 4045T engine, circuit breaker, 12 volt electric start, electronic governor, battery, battery charger, water heater, premium control panel, multi-voltage distribution panel, internal 40 gallon fuel tank, sound attenuated enclosure, tandem-axle trailer with 53 gallon fuel tank.


60KW

 
Multiquip
 
GS-M60T
 

Multiquip 60 kW mobile power trailer, featuring dual fuel tanks, 150 gallon main tank, tandem axle trailer, multiple voltage selector, sound attenuated housing and more. Quality unit, well maintained, in great condition.


60KW

 
Detroit Diesel
 
I-4633
 

Detroit Diesel 471, 60 kW Power Generator. Model I-4633, 75KVA, .8 Power Factor, 208/240 volts + 416/480 Volts. 3 Phase, 60 Hz, 125, 208-180.4 exciter volts, 104-902 amps, all switching control panel, fuse box, and more. Excellent condition.


65KW

 
Atlas Copco
 
GS-AC65JD
 
This 65kW Atlas Copco generator features a sound attenuated John Deere Diesel Engine, Rotary selector switch for 120/208, 120/240 or 277/480 volt operationm 40 Gallon on-board fuel tank, well maintained in great condition with sold service history and 3,540 hours. Optional trailer includes adjustable pintle hitch, DOT light package, internal 90 gallon fuel capacity, 7,000 lb. dual axle trailer, safety chains, electric breakaway lanyard.

75KW

 
Onan
 
ODYC-15R
 
75 kW Onan Diesel Generator, Standby Rated at 75kw, 3 Phase, 50kw Single Phase. 12-Lead Reconnectable. Currently Setup for 120/240 Volts, 3 Phase. 60 Hertz, 1800 RPM, 0.8 PF. 24 Battery Volts. Powered by an Inline 6 Cylinder Turbocharged Allis-Chalmers Diesel Engine. Model Number: 3500MKII. Skid-Mounted, Radiator Cooled. Weatherproof Enclosure. Jacket Water Heater. Muffler (Mounted). 362 Total Hours Since New.

75KW

 
Caterpillar
 
D75P2
 

Olympian Generator, 75 KW, 94 KVA, 120/208 Volts, 260 Amps, 60 Cycles, 0.8 pf,1800 RPM, Stand-by Rating, Auto Start, Safety Shutdowns, Generator panel, Regulator, Breaker, 5 hours since new, Closed Top-diked UL listed double walled base fuel tank, heater, muffler, dry type air cleaner, weatherproof enclosure, electric starter, and more.


75KW

 
Caterpillar
 
XQ75P2
 

Multiple units available. Sound attenuated with base fuel tanks, Multi voltage (277/480V, 240V, 120/208V & 110/220V single phase at 52kw) with power distribution panel. Units are serviced and load tested. Leroy Somer Generator, 75 KW, 93.75 KVA, 480 Volts, Amps, 60 Cycles, 0.8 pf, Multiple features, and very well maintained service units.


75KW

 
Olympian
 
XQ75
 

Caterpillar/Olympian, 75 kW Standby / 68 kW Prime, Perkins 1004-40TW engine, circuit breaker, 12 volt electric start, 55 amp alternator, electronic governor, batteries, battery charger, jacket water heater, 4000 XQ control panel, multi-voltage distribution panel, 149 gallon fuel tank, sound attenuated enclosure, tandem-axle trailer.


75KW

 
Baldor
 
DLC75
 

Powered by a rugged John Deere 110HP 4045 diesel engine, this 1-phase unit was used by a photo studio to shoot automobiles at outdoor locations. When the company built a huge indoor shooting studio, they no longer had use for the unit. It has all of the bells and whistles - quiet, weather-proof enclosure, cam lock connectors, safety shutdowns, auto-start controller, engine gauges, fuel filter, etc. Mighty Mover trailer has aux 135 gal fuel cell for extended operations.


75KW

 
Caterpillar
 
XQ75
 

Caterpillar XQ75, Sound Attenuated Trailer Mounted Package Diesel Generator Set. Premium control panel, dual voltage changeover board, electronic governor, alternator, jacket water heater, sound attenuated enclosure, power distribution panel, fuel tank base. Multiple units available. All well maintained in excellent service condition.


80KW

 
Onan
 
4492310
 
80 kW Onan Natural Gas / LP - Year 2000. Rated 80kw Single Phase or 80kw 3 Phase. Setup for 120/240 Volts Single Phase. 12-Lead, Extended Stack Alternator. 60 Hertz, 1800 RPM. Turbocharged Ford Natural Gas / LP Engine. Setup for Propane. 400 Amp (2 Pole) Mainline Circuit Breaker. Skid-Mounted, Radiator Cooled. Weatherproof Enclosure. Detector 12 Control Panel. Safety Shutdown System. 120 Volt Block Heater. Battery Rack. PMG Exciter / Regulator. Woodward Electronic Governor. Muffler (Installed). 78 Total Hours Since New.

80KW

 
Onan
 
4492164
 

80 kW Onan Natural Gas / LP Generator Set. Presently Setup for 277/480 Volts, 3 Phase. 12-Lead, Extended Stack Alternator. 60 Hertz, 1800 RPM. Powered by a Turbocharged Ford Natural Gas / LP Engine. Presently Set up for Propane. 150 Amp (3 Pole) Mainline Circuit Breaker. Skid-Mounted, Radiator Cooled. Weatherproof Enclosure. Detector 12 Control Panel. Safety Shutdown System. 120 Volt Block Heater. Battery Rack. PMG Exciter / Regulator. Woodward Electronic Governor. Muffler (Installed). 148 Total Hours Since New.


88KW

 
Multiquip
 
DCA100
 

MQ Power DCA100 88 kW mobile generator trailer from Multiquip. Bank maintained generator unit, solid maintenance and upkeep history, excellent condition. Features auto-start and many other features. Multiple units to choose from all serviced, tested, and ready for operation.


88KW

 
MQ Power
 
DCA100
 

Multiquip, 88 kW Standby / 80 kW Prime, John Deere 6068TF150 engine, circuit breaker, 12 volt electric start, electronic governor, battery, battery charger, water heater, premium control panel, multi-voltage distribution panel, internal 63 gallon fuel tank, sound attenuated enclosure, tandem-axle trailer with 150 gallon fuel tank.


90KW

 
White
 
D4800T
 

White Power Generator Set - 90 KW, 113 KVA, 120/208 Volts, 312 Amps, 60 Cycles, 0.8 pf, 1800 RPM, Stand-by Rating, Auto Start, Safety Shutdowns, Generator panel, 177 hours since new, 12 Volt Electric Starter, 12 Volt Alternator, Radiator Cooled Cooling, Dry type Air Cleaner.


95KW

 
John Deere
 
6059TF
 

12 Volt Electric Starter, 12 Volt Alternator, Radiator Cooled Cooling, Dry type Air Cleaner, Battery, Heater, Weatherproof enclosure, Detroit Diesel Generator, Generator model #Spectrum, 95 KW, 119 KVA, 277/480 Volts, 143 Amps, 60 Cycles, 0.8 pf, 1800 RPM, Stand-by Rating, Auto Start, Safety Shutdowns, Generator panel, 150 Amp Breaker


100KW

 
Olympian
 
CG100
 

100 kW Olympian Natural Gas / Propane Genset, Standby Rated at 100kw (156.25kva). Currently Setup for 277/480 Volts, 3 Phase (188.15 Amps). 12 Lead Reconnectable. 60 Hertz, 1800 RPM, 0.8 PF. GM 7.4L 454 Natural Gas / Propane Engine. Skid-Mounted, Radiator Cooled. Weatherproof Enclosure. Control Panel & Safety Shutdown System. 150 Amp & 50 Amp Square D Circuit Breakers. Battery Charger (2 Amp; 12V). Barber Coleman Electronic Governor. Jacket Water Heater. Alternator. (2) Mufflers (Mounted). 80 Total Hours Since New


100KW

 
Kohler
 
100RZ
 

100 kW Kohler Fast Response Power Generator, Standby Rated at 100 (125kva). 3 Phase, 60 Hertz, 1800 RPM, 0.8 PF. 12 Lead Reconnectable. 12 Battery Volts. Powered by a Ford V8 Turbocharged Natural Gas / Propane Engine. Skid-Mounted, Radiator Cooled, Weatherproof Enclosure. Jacket Water Heater. Control Panel & Safety Shutdown System. Kohler Automatic Battery Charger (Shipped Loose). 400 Amp (3 Pole) Mainline Circuit Breaker. Muffler (Mounted). Alternator. 411 Hours Since New


100KW

 
Kohler
 
100R0Z71
 

100kw Kohler Diesel Genset - Setup for 277/480 Volts, 3 Phase. 60 Hertz, 1800 RPM, 0.8 PF. 12 Battery Volts. 12 Lead Reconnectable. Inline 6 Cyl. Turbocharged John Deere Diesel Engine. Skid-Mounted, Radiator Cooled, Weatherproof Enclosure. Control Panel & Safety Shutdown System. 250 Amp (3 Pole) Mainline Circuit Breaker. Kohler Automatic Battery Charger. Alternator. Jacket Water Heater. Muffler (Mounted). Approximately 150 Gallon Sub-Base Fuel Tank.


100KW

 
Allis Chalmers
 
670-T
 

Allis Chalmers 670-T 100kW Set, featuring Onan Generator - 100 KW, 125 KVA, 240 Volts, 301 Amps, 60 Cycles, 0.8 pf, 1800 RPM, Stand-by Rating, Auto Start, Generator panel, Regulator, 300 Amp Breaker, 130° temperature rise, Low hours since new, 24 Volt Electric Starter, 24 Volt Alternator, Radiator Cooled Cooling, Dry type Air Cleaner, Heater, and more.


100KW

 
SDMO
 
JS100UC
 

100 kW, 120 / 208V, 3 phase, sound attenuated (70 dBA) enclosed diesel genset. John Deere 4.48L engine, radiator cooled, w/ block heater, battery charger, 75 gallon dble wall UL fuel tank & skid mounted 50 gallon single wall fuel tank, 400 amp NEMA3R ATS. Only 32 hours on it.


100KW

 
Olympian
 
D100P2
 

Olympian 100 kW Standby Diesel Generator, Perkins Engine, 34 Hours, Year 2001, 125 kVa, 1800 Rpm, 60 Hz, 3 Phase, 150 Amps @ 277/480 Volts, Current Voltage 277/480, 12 Lead Reconnectable, Auto Start/ Stop, Safety Shut Down, 12 Volt Alternator, Air Cleaner, 150 Amp Circuit Breaker, Muffler, Block Heater, Engine Panel, Battery Charger, Radiator, Belly Fuel Tank, Sound Attenuated, Load Tested, and more.


100KW

 
Kohler
 
GS-K100T
 
Kohler 100 kW Mobile Power Generation trailer - Featuring 150 Fallon Fuel Tank, Multiple Voltage Selector, Sound Attenuated Housing, Tandem Axle trailer, and many features. Full inventory of quality generator trailers available. Visit our mobile power division online by clicking here .

100KW

 
Atlas Copco
 
GS-AC100JDT
 

100kW Atlas Copco generator trailer powered by a rugged and dependable John Deere diesel engine. Features a sound attenuated John Deere Diesel Generator Set, rotary selector switch for 120/208, 120/240 or 277/480 volt operation, 70 gallon fuel tank on-board, Adjustable pintle hitch, DOT light package, Internal 107 gallon fuel capacity, Dual axle trailer, Safety chains, Electric breakaway lanyard, and more.


100KW

 
Kohler
 
100ROZ71
 

100 kW Kohler 100ROZ71, 120/208V / 3 Phase / 60 HZ, 1800 RPM, Enclosed, Powered by Diesel White Motor 6 Cylinder, No Fuel Tank, Enclosed and mounted on a frame, muffler and side air vents, battery charger, control meter, only 127 hours since new.


105KW

 
Caterpillar
 
XQ105P2
 

Sound Attenuated units with base fuel tanks, multi voltage (277/480V, 240V, 120/280V & 110/220V single phase) with power distribution panels. Units are serviced and load tested. Leroy Somer Generator, 105 KW, 131.25 KVA, 480 Volts, Amps, 60 Cycles, 0.8 pf, 1800 RPM,
Stand-by Rating, Auto Start, Safety Shutdowns, Generator panel, Regulator, Breaker, Multiple Units Available


105KW

 
Caterpillar
 
XQ105
 
Caterpillar/Olympian, 105 kW Standby / 96 kW Prime, Perkins 1006-6T engine, circuit breaker, 12 volt electric start, 45 amp alternator, electronic governor, batteries, battery charger, jacket water heater, 4000 XQ control panel, multi-voltage distribution panel, 193 gallon fuel tank, sound attenuated enclosure, tandem-axle trailer.

105KW

 
Caterpillar
 
XQ105
 
Caterpillar XQ105, Sound Attenuated Trailer Mounted Package Diesel Generator Set. EMCP control panel, dual voltage changeover board, electronic governor, alternator, jacket water heater, sound attenuated enclosure, power distribution panel, 100-gallon fuel tank.

110KW

 
Multiquip
 
DCA125USJ
 

Multi-Quip DCA-125-USJ - Trailer Mounted, Fully Enclosed, Sound Attenuated, diesel generator set. Premium generator control panel, auto start / stop, engine safeties, dual voltage capability, circuit breaker, electronic governor, 24v starter, 35a alternator, jacket water heater, fuel tank, muffler, radiator.


115KW

 
Detroit Diesel
 
1063-7032
 

Detroit Diesel 6-71N Engine, In-Line Six Cylinder Configuration, 398 Total Hours Since New, Skid Mounted, Radiator Cooled, Engine Driven "Pusher" Fan, Crosshead Cylinder Kits & Rods, N70 Fuel Injectors, 18:1 Compression Ratio, 1.05" Liner Ports, SAE #1 Flywheel Housing, Delco 17.75" Flywheel (P/N 5176322), Heavy Rubber Viscous Damper (P/N 5100421), High Capacity Water Pump (P/N 23506711), Woodward Model SGX Hydraulic Governor, Dual Oil Bath Heavy Duty Air Cleaners, 24 Volt DC Starting System, Many Quality Features.


125KW

 
Detroit Diesel
 
1063-7035
 
Detroit Diesel 6-71N, In-Line (6) Cylinder Naturally Aspirated, Crosshead Piston W/N70 Fuel Injectors, Skid Mounted, Radiator Cooled, Engine Driven "Pusher Fan - 26" - 6 Blade, Fan Guard, Coolant Drain Valve - in Skid, Barber-Coleman Electronic Governor Control & Actuator, Kim Hot Start Jacket Water Heater W/ Adjustable Thermostat, Fuel Supply & Return Fittings in Skid, Oil Drain Valve - Skid Mounted, FARR T-519 Dynacell Air Cleaner, Many Quality Features

125KW

 
Onan
 
125DGEA
 

125 kW Cummins / Onan Diesel Generator trailer, Standby Rated at 125kw 3 Phase (83kw 1 Phase). 60 Hertz, 1800 RPM, 24 Battery Volts. Inline 6 Cylinder Turbocharged Cummins Diesel Engine. Rated 207 HP @ 1800 RPM. Weatherproof Enclosure. Base Fuel Tank (Approx. 250 Gal). Control Panel & Safety Shutdown System. Alternator. Jacket Water Heater. SENS Regulated Battery Charger. 500 Amp & 200 Amp Circuit Breakers. Silencer Muffler (Mounted Inside Cabinet). Electronic Governor. Mounted on Tandem Axle Trailer, 405 Hours. Fantastic.


125KW

 
Kohler
 
125ROZ271
 

125 kW Kohler Diesel Genset, Standby Rated at 3 Phase, 60 Hertz, 1800 RPM, 0.8 PF. Currently Setup for 480 Volts, 3 Phase. 12 Lead Reconnectable. Powered by a Cummins Diesel Engine. Control Panel & Safety Shutdown System. Kohler Battery Charger. Muffler (Mounted). Radiator Cooled. Weatherproof Enclosure. Trailer-Mounted. Fuel Tank (Mounted on End of Trailer). 676 Total Hours Since New. Load Bank Tested (to 130kw).


125KW

 
MQ Power
 
DCA-125SSJU
 

Multiquip - MQ Power trailer mounted generator set, Model DCA-125SSJU, John Deere 6.8 Liter Turbo Engine, Many great features! Good running condition and fully maintained. Ask for comparative features on all our new and pre-owned generator trailers from MQ Power, Baldor, Winco, MMD Equipment, Caterpillar, and Atlas Copco.


125KW

 
Cummins
 
DGEA3382623
 

Cummins 6CT8.3-G2 125 kW Generator, Base fuel tank is UL listed, closed-top diked. Unit can be converted to single phase. 125 KW, 156 KVA, 277/480 Volts, 188 Amps, 60 Cycles, 0.8 pf, 1800 RPM, Stand-by Rating, Auto Start, Safety Shutdowns, Generator panel, 200 Amp Breaker, 212 hours since new, weatherproof enclosure, 250 gallon fuel tank, electric starter, and more.


125KW

 
Caterpillar
 
C3208
 

Caterpillar 3208 125 kW Enclosed Generator System, Diesel, 125 kW Standby, Circuit Breaker, Battery Charger, Weatherproof Enclosure, Silencer, Coolant Heater, many features! Wide selection of pre-owned and surplus CAT generators available 80kw to 500kw.


125KW

 
Komatsu
 
125.0DVD15
 

Komatsu – 125.0DVD15, Model 0671, 1800 rpm, 176 hours, radiator, muffler, electric starter, filter and fuel filters, fuel tank, turbo, skidded, enclosed, Onan generator end, 125 volts, .8f, breaker, 12 wires, control panel, 156 kva, amb 40c, other features!


125KW

 
Onan
 
125DGEA
 

Onan 125 kW Standby Diesel Generator with Portable Trailer, 125 kW, 156 kVa, 137 Hours, 1998 Year, 60 Hz, 1 & 3 Phase, 433 Amps @ 208 Volts, Current Voltage 120/208, 12 Leads Reconnectable, 207 Hp @ 1800 Rpm, Auto Start/ Stop, Safety Shut Down, 12 Volt Alternator, Air Cleaner, Circuit Breaker, Remote Muffler, Standard Generator & Engine Panel, Engine Mount Radiator, Belly Fuel Tank, Sound Attenuated Enclosure. Much more!


125KW

 
Atlas Copco
 
GS-AC125T
 

125 kW Atlas Copco generator trailer, Sound Attenuated John Deere Diesel Generator Set, Rotary selector switch for 120/208, 120/240 or 277/480 volt operation, 70 gallon fuel tank on-board, Optional trailer includes: adjustable pintle hitch, DOT light package, internal 107 gallon fuel capacity, dual axle trailer, safety chains, electric breakaway lanyard, exceptional condition, well-maintained, service ready.


125KW

 
Onan
 
125.ODYD
 

Onan / Allis Chalmers 125 kW diesel generator set, model 125.0DYD- 15R/187784. Powered by an Allis Chalmers diesel engine, model 685T, with 1271 hours since new. Set is totally enclosed, with muffler mounted on roof. Set has an engine and generator control panel, small day tank and air cleaner, no circuit breaker. Test and run and serviced.


 

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