Commercial & Industrial Generator Sets for Sale

Depco Power Systems supplies new and used commercial and industrial generator sets from leading manufacturers including Caterpillar, Cummins, and MTU. Whether you need a standby generator for backup power or a prime power generator for continuous operation, our diesel and natural gas gensets are tested, certified, and ready to ship worldwide. With over 30 years of experience, Depco helps businesses source reliable industrial power solutions designed for efficiency, durability, and long-term performance.


Jump to Generator Sets Buying Guide ↓

All units selected for special pricing include the Depco guarantee and 30-day warranty on used inventory. Units will be fully serviced and tested to factory specifications.Liquidations units are sold as-is. All sales are final. Please read the notes section in the item description for details.

  • Caterpillar 3512B 1250KW Tier 1 Diesel Generator Set

    Low Hour Cummins QSK60-G6 2000KW Tier 1 Diesel Generator Set

    Ready to Ship
    Model: QSK60-G6
    Fuel: Diesel
    Hours: 4000 Since New
    Volts: 277/480
    Depco Item # 18718

  • Low Hour Cummins QSK60-G6 2000KW Tier 2 Diesel Generator Set

    Low Hour Cummins QSK60-G6 2000KW Tier 2 Diesel Generator Set

    Model: QSK60-G6
    Fuel: Diesel
    Hours: 262 Since New
    Volts: 7200/12470
    Depco Item # 20628

  • 2000 cummins qsk60-g6 2000kw diesel generator set

    Low Hour Cummins QSK60-G6 2000KW Diesel Generator Set

    Ready to Ship
    Model: QSK60-G6
    Fuel: Diesel
    Hours: 393 Since New
    Volts: 277/480
    Depco Item # 19469

    Price: $349,900
  • New Cummins QSK60-G6 1750KW Tier 2 Diesel Generator Set

    New Cummins QSK60-G6 1750KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSK60-G6
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 19856

  • Cummins QSK60-G6 1750KW Tier 2 Diesel Generator Set

    Good Used Cummins QSK60-G6 1750KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSK60-G6
    Fuel: Diesel
    Hours: 324 Since New
    Volts: 2400/4160
    Depco Item # 19938

    Price: $299,900
  • cummins kta50-g9 1500kw diesel generator set

    Good Used Cummins KTA50-G9 1500KW Diesel Generator Set

    Ready to Ship
    Model: KTA50-G9
    Fuel: Diesel
    Hours: 2000 Since New
    Volts: 277/480
    Depco Item # 19379

    Price: $167,900
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  • New Cummins QSK60G 1000KW  Natural Gas Generator Set

    New Cummins QSK60G 1000KW Natural Gas Generator Set

    Model: QSK60G
    Fuel: Natural Gas
    Hours: 0
    Volts: 277/480
    Depco Item # 20689

  • Low Hour Cummins QST30-G5 NR2 1000KW Tier 2 Diesel Generator Set

    Low Hour Cummins QST30-G5 NR2 1000KW Tier 2 Diesel Generator Set

    Model: QST30-G5 NR2
    Fuel: Diesel
    Hours: 859 Since New
    Volts: 277/480
    Depco Item # 20236

    Price: $179,900
  • New Cummins QST30-G5 NR2 1000KW Tier 2 Diesel Generator Set

    New Cummins QST30-G5 NR2 1000KW Tier 2 Diesel Generator Set

    Model: QST30-G5 NR2
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20648

  • Cummins DFHD 1000kw generator set enclosure

    Good Used Cummins QST30-G5-NR1 1000KW Diesel Generator Set

    Ready to Ship
    Model: QST30-G5-NR1
    Fuel: Diesel
    Hours: 247 Since New
    Volts: 277/480
    Depco Item # 20038

    Price: $119,900
  • Cummins 1000kW Diesel Stand-By Generator Set #20127

    Low Hour Cummins QST30G5 1000KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QST30G5
    Fuel: Diesel
    Hours: 71 Since New
    Volts: 277/480
    Depco Item # 20127

    Price: $244,900
  • New Cummins QSK23 750KW Tier 2 Diesel Generator Set

    New Cummins QSK23 750KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSK23
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 19831

  • New Cummins QSK23 750KW Tier 2 Diesel Generator Set

    New Cummins QSK23 750KW Tier 2 Diesel Generator Set

    Model: QSK23
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 19837

  • Low Hour Cummins QST30-G1-NR1 750KW  Diesel Generator Set

    Low Hour Cummins QST30-G1-NR1 750KW Diesel Generator Set

    Ready to Ship
    Model: QST30-G1-NR1
    Fuel: Diesel
    Hours:
    Volts: 277/480
    Depco Item # 20508

    Price: $75,900
  • 750 KW Cummins Diesel Generator

    New Cummins QSK23 750KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSK23
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 19843

  • Low Hour Cummins QST30 750KW  Diesel Generator Set

    Low Hour Cummins QST30 750KW Diesel Generator Set

    Ready to Ship
    Model: QST30
    Fuel: Diesel
    Hours: 1245 Since New
    Volts: 277/480
    Depco Item # 20514

    Price: $74,900
  • New Cummins GTA50E 750KW  Natural Gas Generator Set

    New Cummins GTA50E 750KW Natural Gas Generator Set

    Ready to Ship
    Model: GTA50E
    Fuel: Natural Gas
    Hours: 0
    Volts: 277/480
    Depco Item # 19725

  • Cummins GTA50 650KW Natural Gas Generator Set

    Rebuilt Cummins GTA50 650KW Natural Gas Generator Set

    Ready to Ship
    Model: GTA50
    Fuel: Natural Gas
    Hours: 0
    Volts: 277/480
    Depco Item # 19265

    Price: $249,900
  • Like New Cummins QSX15-G9 500KW Tier 2 Diesel Generator Set

    Like New Cummins QSX15-G9 500KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSX15-G9
    Fuel: Diesel
    Hours: 381
    Volts: 277/480
    Depco Item # 20660

    Price: $89,900
  • Like New Cummins QSX15-G9 500KW Tier 2 Diesel Generator Set

    Like New Cummins QSX15-G9 500KW Tier 2 Diesel Generator Set

    Model: QSX15-G9
    Fuel: Diesel
    Hours: 392.3
    Volts: 277/480
    Depco Item # 20659

    Price: $89,900
  • Cummins NTA-855-G5 400KW Diesel Generator Set

    Good Used Cummins NTA-855-G5 400KW Diesel Generator Set

    Ready to Ship
    Model: NTA-855-G5
    Fuel: Diesel
    Hours: 808 Since New
    Volts: 277/480
    Depco Item # 19788

  • Cummins QSK19G 250KW Natural Gas Generator Set

    Low Hour Cummins QSK19G 250KW Natural Gas Generator Set

    Model: QSK19G
    Fuel: Natural Gas
    Hours: 1337 Since New
    Volts: 277/480
    Depco Item # 19772

    Price: $79,900
  • Like New Cummins GTA855 250KW  Natural Gas Generator Set

    Like New Cummins GTA855 250KW Natural Gas Generator Set

    Model: GTA855
    Fuel: Natural Gas
    Hours: 262 Since New
    Volts: 277/480
    Depco Item # 20340

  • Good Used Cummins QSL9-G8 NR4 240KW Tier 2 Diesel Generator Set

    Good Used Cummins QSL9-G8 NR4 240KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: QSL9-G8 NR4
    Fuel: Diesel
    Hours: 6407.6 Since New
    Volts: 277/480
    Depco Item # 20488

  • Cummins 200kW Natural Gas Stand-By Generator Set #20061

    New Cummins QSJ8.9G-G3 200KW Natural Gas Generator Set

    Ready to Ship
    Model: QSJ8.9G-G3
    Fuel: Natural Gas
    Hours: 0
    Volts: 120/208
    Depco Item # 20061

  • Used Cummins QSL9-G2 200KW Tier 3 Diesel Generator Set

    Used Cummins QSL9-G2 200KW Tier 3 Diesel Generator Set

    Ready to Ship
    Model: QSL9-G2
    Fuel: Diesel
    Hours: 506 Since New
    Volts: 277/480
    Depco Item # 20708

  • New Cummins QSB7-G5 NR3 200KW Tier 3 Diesel Generator Set

    New Cummins QSB7-G5 NR3 200KW Tier 3 Diesel Generator Set

    Model: QSB7-G5 NR3
    Fuel: Diesel
    Hours: 0
    Volts: 120/208
    Depco Item # 19816

  • Low Hour Cummins GTA855 200KW  Natural Gas Generator Set

    Low Hour Cummins GTA855 200KW Natural Gas Generator Set

    Model: GTA855
    Fuel: Natural Gas
    Hours: 265 Since New
    Volts: 277/480
    Depco Item # 20357

    Price: $46,900
  • Cummins 200kW Natural Gas Stand-By Generator Set #19905

    New Cummins QSJ8.9G-G3 200KW Natural Gas Generator Set

    Ready to Ship
    Model: QSJ8.9G-G3
    Fuel: Natural Gas
    Hours: 0
    Volts: 120/208
    Depco Item # 19905

  • Cummins QSJ999G 20KW Natural Gas Generator Set

    New Cummins QSJ999G 13KW Natural Gas Generator Set

    Ready to Ship
    Model: QSJ999G
    Fuel: Natural Gas
    Hours: 0
    Volts: 120/240
    Depco Item # 18187

Commercial Generator Buying Guide

Choosing the right generator starts with evaluating your power load requirements. Identify essential systems and calculate your backup power generator needs to avoid performance issues during outages.

Depco’s specialists can help you select the ideal size and unit for your specific environment from standby generators for hospitals and data centers to prime power solutions for remote operations.

Contact us to match your power requirements →

Diesel Generator Sets

Diesel generators are trusted for their reliability and endurance, providing consistent performance for industrial, commercial, and emergency applications. Depco offers diesel generator sets ranging from 50 kW to over 3,000 kW, ideal for hospitals, factories, construction sites, and data centers.

View all diesel generator sets →

Natural Gas Generator Sets

Designed for efficiency and cleaner operation, natural gas generators are an excellent choice for businesses seeking cost-effective and low-emission power. Depco stocks natural gas gensets from major OEMs, available in sizes from 20 kW to 2,000 kW.

Browse natural gas generators →

Why Choose Depco Power Systems

  • Quality Assurance: Every generator undergoes testing and inspection before sale.
  • Trusted Brands: Caterpillar, Cummins, MTU, Kohler, and more.
  • Flexible Inventory: Choose from new, used, and low-hour units.
  • Expert Support: Decades of industry experience to guide your purchase.
  • Fast Shipping: Units ready to ship across the Americas.

Commercial Generator Buying Guide

Choosing the right generator starts with evaluating your power load requirements. Identify essential systems and calculate your backup power generator needs to avoid performance issues during outages.

Depco’s specialists can help you select the ideal size and unit for your specific environment from standby generators for hospitals and data centers to prime power solutions for remote operations.

Contact us to match your power requirements →

Diesel Generator Sets

Diesel generators are trusted for their reliability and endurance, providing consistent performance for industrial, commercial, and emergency applications. Depco offers diesel generator sets ranging from 50 kW to over 3,000 kW, ideal for hospitals, factories, construction sites, and data centers.

View all diesel generator sets →

Natural Gas Generator Sets

Designed for efficiency and cleaner operation, natural gas generators are an excellent choice for businesses seeking cost-effective and low-emission power. Depco stocks natural gas gensets from major OEMs, available in sizes from 20 kW to 2,000 kW.

Browse natural gas generators →

Why Choose Depco Power Systems

  • Quality Assurance: Every generator undergoes testing and inspection before sale.
  • Trusted Brands: Caterpillar, Cummins, MTU, Kohler, and more.
  • Flexible Inventory: Choose from new, used, and low-hour units.
  • Expert Support: Decades of industry experience to guide your purchase.
  • Fast Shipping: Units ready to ship across the Americas.