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 3516C 2500KW Tier 2 Diesel Generator Set

    New Caterpillar 3516C 2500KW Tier 2 Diesel Generator Set

    Model: 3516C
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 19944

  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 95 Since New
    Volts: 277/480
    Depco Item # 20594

    Price: $339,900
  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 108 Since New
    Volts: 277/480
    Depco Item # 20595

    Price: $339,900
  • Rebuilt Caterpillar G3516C 1500KW  Natural Gas Generator Set

    Rebuilt Caterpillar G3516C 1500KW Natural Gas Generator Set

    Ready to Ship
    Model: G3516C
    Fuel: Natural Gas
    Hours: 0
    Volts: 277/480
    Depco Item # 18373

    Price: $899,900
  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 200 Since New
    Volts: 277/480
    Depco Item # 20589

    Price: $379,900
  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 194 Since New
    Volts: 277/480
    Depco Item # 20590

    Price: $349,900
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  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 105 Since New
    Volts: 277/480
    Depco Item # 20593

    Price: $369,900
  • Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Low Hour Caterpillar 3512C 1500KW Tier 2 Diesel Generator Set

    Model: 3512C
    Fuel: Diesel
    Hours: 104 Since New
    Volts: 277/480
    Depco Item # 20592

    Price: $369,900
  • Good Used Caterpillar G3516C 1475KW  Natural Gas Generator Set

    Good Used Caterpillar G3516C 1475KW Natural Gas Generator Set

    Ready to Ship
    Model: G3516C
    Fuel: Natural Gas
    Hours: 3025 Since New
    Volts: 277/480
    Depco Item # 20330

  • New Caterpillar C32B 1000KW Tier 2 Diesel Generator Set

    New Caterpillar C32B 1000KW Tier 2 Diesel Generator Set

    ETA: August 10, 2026
    Model: C32B
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20713

  • New Surplus Caterpillar C32 ACERT 910KW  Diesel Generator Set

    New Surplus Caterpillar C32 ACERT 910KW Diesel Generator Set

    Model: C32 ACERT
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20658

    Price: $255,900
  • New Surplus Caterpillar C32 ACERT 910KW  Diesel Generator Set

    New Surplus Caterpillar C32 ACERT 910KW Diesel Generator Set

    Model: C32 ACERT
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20657

    Price: $255,900
  • New Caterpillar C18 750KW Tier 2 Diesel Generator Set

    New Caterpillar C18 750KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: C18
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20505

  • New Caterpillar C18 600KW Tier 2 Diesel Generator Set

    New Caterpillar C18 600KW Tier 2 Diesel Generator Set

    ETA: July 10, 2026
    Model: C18
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20705

  • Low Hour Caterpillar 3412DITTA 600KW  Diesel Generator Set

    Low Hour Caterpillar 3412DITTA 600KW Diesel Generator Set

    Model: 3412DITTA
    Fuel: Diesel
    Hours: 742 Since New
    Volts: 277/480
    Depco Item # 20650

    Price: $74,900
  • New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    ETA: July 10, 2026
    Model: C15
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20704

  • Used Caterpillar 3412DITA 500KW  Diesel Generator Set

    Used Caterpillar 3412DITA 500KW Diesel Generator Set

    Model: 3412DITA
    Fuel: Diesel
    Hours: 4040 Since New
    Volts: 277/480
    Depco Item # 20188

    Price: $94,900
  • New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    Ready to Ship
    Model: C15
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20545

  • New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    New Caterpillar C15 500KW Tier 2 Diesel Generator Set

    ETA: July 10, 2026
    Model: C15
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20703

  • Used Caterpillar G3412 455KW  Natural Gas Generator Set

    Used Caterpillar G3412 455KW Natural Gas Generator Set

    Model: G3412TA
    Fuel: Natural Gas
    Hours: 3000 Since New
    Volts: 277/480
    Depco Item # 20311

  • Low Hour Caterpillar C13 400KW Tier 3 Diesel Generator Set

    Low Hour Caterpillar C13 400KW Tier 3 Diesel Generator Set

    Ready to Ship
    Model: C13
    Fuel: Diesel
    Hours: 1371 Since New
    Volts: 277/480
    Depco Item # 18748

    Price: $56,900
  • Caterpillar CG18 500KW Natural Gas Generator Set

    New Caterpillar CG18 350KW Natural Gas Generator Set

    Ready to Ship
    Model: CG18
    Fuel: Natural Gas
    Hours: 0
    Volts: 277/480
    Depco Item # 19800

  • New Caterpillar C9 300KW Tier 3 Diesel Generator Set

    New Caterpillar C9 300KW Tier 3 Diesel Generator Set

    ETA: June 10, 2026
    Model: C9
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20701

  • New Caterpillar C9 300KW Tier 3 Diesel Generator Set

    New Caterpillar C9 300KW Tier 3 Diesel Generator Set

    ETA: June 10, 2026
    Model: C9
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20702

  • New Caterpillar C7.1 200KW Tier 3 Diesel Generator Set

    New Caterpillar C7.1 200KW Tier 3 Diesel Generator Set

    ETA: June 10, 2026
    Model: C7.1
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20699

  • New Caterpillar C7.1 200KW Tier 3 Diesel Generator Set

    New Caterpillar C7.1 200KW Tier 3 Diesel Generator Set

    ETA: June 10, 2026
    Model: C7.1
    Fuel: Diesel
    Hours: 0
    Volts: 277/480
    Depco Item # 20700

  • Caterpillar C4.4 ACERT 65KW Tier 3 Diesel Generator Set

    New Surplus Caterpillar C4.4 ACERT 65KW Tier 3 Diesel Generator Set

    Ready to Ship
    Model: C4.4 ACERT
    Fuel: Diesel
    Hours: 0
    Volts: 120/208
    Depco Item # 19643

    Price: $23,900
  • Caterpillar 3304DIT 65KW Diesel Generator Set

    Good Used Caterpillar 3304DIT 65KW Diesel Generator Set

    Model: 3304DIT
    Fuel: Diesel
    Hours:
    Volts: 277/480
    Depco Item # 19872

    Price: $13,900
  • Caterpillar 3304DIT 65KW Diesel Generator Set

    Good Used Caterpillar 3304DIT 65KW Diesel Generator Set

    Model: 3304DIT
    Fuel: Diesel
    Hours:
    Volts: 277/480
    Depco Item # 19884

    Price: $13,900
  • Good Used Caterpillar 2.2T 27KW Tier 4F Diesel Generator Set

    Good Used Caterpillar 2.2T 27KW Tier 4F Diesel Generator Set

    Ready to Ship
    Model: 2.2T
    Fuel: Diesel
    Hours: 5793 Since New
    Volts: 120/208
    Depco Item # 20525

    Price: $24,000

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.