Current Bid
$0
3 bids
Time Left
Ends Sep 10, 2026
Bid history
since Aug 30
Market demand: Tools in Colorado sell about 93% of the time, typically ~10 bids. Based on 394 completed sales over the last year.
A Cummins 500 kW three-phase diesel generator, model 500DFFB, roughly 10,000 pounds with low but unknown hours, now replaced by the owner. Emergency backup providers, rental companies, and industrial facilities buy these large units. Confirm fuel capacity and verify oil and coolant condition before moving it, as internal corrosion in idle tanks can be costly.
Estimated flip margin and comp range available with Pro. Summary may occasionally contain inaccuracies; check the full description before bidding.
🏛️ National Laboratory of the Rockies – NLR, CO
Condition: As-is
National Laboratory of the Rockies – NLR, CO
Grab more in one trip: 1 more lot at this pickup location.
View all at this locationCummins Generator Model – 500DFFB Used / Does function / Fuel tank included capacity unknown / Sold as is / Replaced with new model / Outside when in use / Specs based loosely on model number search/ Low hours but hours unknown /Very heavy and large roughly 10,000 lbs / Would need proper graded truck or trailer to pick up / We have the proper forklift to assist on putting this on the trailer or truck Power & Electrical Characteristics Standby Power: 500 kW (625 kVA) at 0.8 power factor, 480 V / 277 V, 60 Hz, 1,800 RPM Prime Power: Approximately 455 kW (569 kVA) at 60 Hz Engine & Performance Engine Model: Cummins KTTA19‑G2 inline 6-cylinder, turbocharged diesel Engine Output: 750 hp at 1,800 RPM Generator & Controls Alternator Type: AC alternator with Permanent Magnet Generator (PMG) capability for enhanced motor-start and fault-clearing Control System: Cummins PowerCommand digital control panel (automatic remote start/stop, precise voltage/frequency regulation, AmpSentry protection, NFPA 110 compliance) Configuration & Enclosure Mounting: Skid‑mounted, weatherproof enclosure with radiator cooling Sub-base Fuel Tank Capacity: Typically 500 – 1,000 gallons (1,893–3,785 L) with secondary containment Dimensions: Approx. 160–166" L × 60" W × 102–126" H; weight ~15,000 lbs Electrical Protection Main-line Circuit Breaker: 800 A (per one listing), with other units having 1,200 A and 450 A configurations Auxiliary & Support Systems Coolant Heater: Included for reliable cold-weather starts Muffler: Mounted inside the enclosure
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