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Construction Generators for Sale (29 listings)

Shop new and used construction equipment across Canada on SupplyPost.com. Whether you are replacing core units, adding project capacity, or sourcing specialized machines, you can compare available listings quickly and contact sellers directly. Browse Excavators, Mini Excavators, Wheel Loaders, Skid Steer Loaders, Dozers, Graders, Compactors, Backhoe Loaders, Track Loaders, Off Highway Trucks. Leading brands with active construction listings include Caterpillar (CAT), Komatsu, John Deere, Hitachi, Volvo, Bobcat, and Case. Explore thousands of equipment listings from almost 100 dealers, along with additional listings from private sellers across Canada.


  • Detroit 275 KW Featured Listing

    Detroit 275 KW

    FOR AUCTION

    Detroit 275 KW Diesel Generator, Detroit Diesel 500Hp 12.7 L, 275DSEB,... 

    For Auction

  • 1997 Caterpillar 3306

    1997 Caterpillar 3306 Genset 1,500 Hours, 125KW, 3 Phase and Single... 

  • 2012 Stamford 75 kW

    2012 STAMFORD 75 KW • Approximately 17,820 Hours • John Deere... 

  • 2012 Stamford 75 kW

    2012 STAMFORD 75 KW • Approximately 23,174 Hours • John Deere... 

  • 2012 Caterpillar G3406

    2012 CATERPILLAR G3406NA 4 units available! New Surplus units. **update:... 

  • 2012 Stamford 75 kW

    2012 STAMFORD 75 KW • Approximately 16,708 Hours • John Deere... 

  • 2014 MTU

    2014 MTU

    $59,900 CAD

    600 KW, 480 volt generator - MTU - V12 diesel engine, twin turbo, dual... 

    For Sale or Rent

  • 1993 Cummins NTA 855 300kw

    TRE - NTA 855 Cummins 300kw genset, 480-volt, new oil & filters, doesn’t... 

  • Caterpillar 3406

    3406 c Cat genset new rebuild 

  • Caterpillar 3306B

    230 KW 600 volt genset 

  • Caterpillar 3408E

    400 kw genset , load tested , ready to go , 

  • Stamford

    Stamford

    $13,500 CAD

    Self Contained Stamford Generator, Skid Mounted $13,500 

  • $89,750 CAD

    Cummins QST30-G5 750kW 600 Volt Generator, 1,030HP Engine 1800 RPM 

  • Caterpillar C15

    Caterpillar C15

    $96,000 CAD

    unused Cat C15 Generator Set: Cat C15 Generator 420kW 480 Volt 3 Phase... 

  • 1999 Caterpillar 3412

    GenSet 906KVA, 600/480 volt. P.O.R 

Buying Considerations

Start with application fit: operating weight class, hydraulic performance, attachment compatibility, and transport dimensions for the jobs you actually run. For used equipment, review service records, total hours, and condition in high-wear systems such as hydraulics, powertrain components, and undercarriage or tires. Compare location, seasonality, and expected utilization before deciding whether to buy or rent. If uptime is critical, prioritize units backed by strong parts availability and dealer service support.

Dealer Network

SupplyPost connects buyers with active Canadian construction dealers, including Brandt Tractor, Inland Truck & Equipment, Pacific Rim Equipment, Semler's Equipment, Optimum Equipment Solutions, and Marcel Equipment Limited. These dealers regularly list new and used inventory and can support inspections, logistics, and purchase planning.

Find Construction Equipment by Province

Browse construction equipment in British Columbia, Alberta, Ontario, and Saskatchewan.

FAQ

What service-history details matter most before buying a used excavator or dozer?

Look for documented hydraulic service intervals, undercarriage replacement history, and any major engine or final-drive work. Confirm hour-meter consistency and check whether pins, bushings, and swing components were measured against wear limits.

How should I compare machines that look similar on price?

Compare total owning cost, not list price alone: remaining component life, tire or undercarriage condition, attachment package value, transport costs, and expected downtime risk. A higher-priced unit with stronger records and lower wear is often the better buy.

Which specs should I validate first for production-focused jobs?

Validate operating weight class, hydraulic flow and pressure, breakout force, and cycle-time performance against your target application. Then confirm attachment compatibility and local service support so the machine can stay productive after delivery.

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