Used 1000+ kW Diesel Generators for Sale

Used and surplus diesel generators rated 1000 kW and above typically sell for $50,000–$275,000 depending on hours, emissions tier, and enclosure. Electrical Trader lists low-hour Caterpillar, Cummins, and F.G. Wilson gensets sold on consignment from U.S. sellers, with nameplate photos and load-test history where available.

Updated automatically from live inventory · Sold on consignment · Freight quotes available

In Stock Now

3 units · pulled live from inventory
2016 Caterpillar C32 1000kW diesel generator set, 480V 3-phase, used — Electrical Trader
2016 Caterpillar C32 1000kW Diesel Generator Set – 480V 3-Phase – 42.6 Hours
$269,000
Caterpillar 3508 1000kW enclosed diesel generator, 480V, used — Electrical Trader
Caterpillar 3508 1000KW Diesel Generator – 480V – 449 Hours – Enclosed
$99,900
FG Wilson 1100kW containerized diesel generator (12V149 Detroit), 480/277V, used — Electrical Trader
F.G. Wilson 1100 kW Diesel Generator – 12V149 Detroit – 480/277V – Containerized
$50,000

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Tell us the kW rating, voltage, and fuel type you need. We'll match you with consignment inventory before it's listed publicly — or source it through our seller network.

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What to Check Before Buying a Used 1000+ kW Generator

Run hours vs. rating

A 1000 kW standby unit with 500 hours is a different machine from a prime-rated unit with 15,000. Verify the nameplate rating class against logged hours.

Emissions tier

Tier II units can't be permitted for many prime applications in CA/TX metro areas. Match the tier to your AHJ's requirements before you buy.

Load-bank test history

Ask for a recent load-bank report at 100% nameplate. Wet-stacking from years of light standby loading is the most common hidden defect.

Voltage & reconnectability

Confirm the alternator is 12-lead reconnectable if you may need a different service voltage (208/480/4160V).

Transport weight & footprint

1000+ kW gensets run 20,000-45,000 lbs. Container or skid units need a crane plan; towables need permits over 10,000 lbs GVWR.

Controls & switchgear

Check the controller model (EMCP, PowerCommand, DSE) is still supported, and whether a matching ATS or paralleling gear is included.

Frequently Asked Questions

How much does a used 1000 kW diesel generator cost?
Expect $50,000-$150,000 for typical used units, and up to $275,000 for low-hour or unused surplus sets. Hours, emissions tier, enclosure type, and included switchgear drive the spread.
Are these units load-bank tested?
Many consignment sellers provide load-bank reports or video of the unit running under load. Each listing notes what documentation is available; you can request more through the quote form.
Who arranges freight for equipment this size?
Freight is arranged directly with the seller. Many sellers work with riggers and heavy-haul carriers and can recommend one near the equipment's location.
Can I inspect a generator before buying?
Inspections and third-party surveys are coordinated directly with the seller prior to purchase.