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Used 45 kVA Diesel Generators for Sale

Inventory
Manufacture Year
Manufacture Year - slider
2000 — 2026
Price Range
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680 — 182580
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A 45 kVA diesel generator delivers about 36 kW of prime power (40 kW standby) at 0.8 power factor. It is typically used for small to mid-size jobsites, several office trailers, temporary lighting and pumps, and mid-size events. At IronPower Industries, most used 45 kVA diesel generators (29 sold, 2009–2018) went for $17,000–$18,800.

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45 kVA Generator Specifications

Reference modelMultiquip WhisperWatt DCA45SSIU4F
Prime output36 kW / 45 kVA
Standby output40 kW
EngineIsuzu 4LE2X, 65.7 HP
Fuel tank79.2 gal
Fuel use at full load2.93 gal/hr
Run time on a full tankabout 27 hours at full load (calculated)
Sound level66 dB(A) at 23 ft
VoltageSingle-phase 120/240 V and three-phase 208–480 V (switchable)

Source: manufacturer specifications for the reference model. Other models in this size class differ slightly.

What a Used 45 kVA Diesel Generator Costs

At IronPower Industries, most used 45 kVA diesel generators (29 sold, 2009–2018) went for $17,000–$18,800. Price depends mainly on year, hours, Tier rating, enclosure condition and whether it is trailer-mounted. Every unit is inspected at our yard in Hialeah, FL, and can be financed and shipped nationwide.

45 kVA Generator FAQ

What can a 45 kVA generator power?

A 45 kVA generator provides about 36 kW of continuous (prime) power. It is commonly used for small to mid-size jobsites, several office trailers, temporary lighting and pumps, and mid-size events. Size it by adding the running watts of everything you will connect plus the starting surge of the largest motor.

What is the difference between kVA and kW on a generator?

kVA is apparent power and kW is real power. Mobile three-phase generators are rated at a 0.8 power factor, so kW = kVA × 0.8: a 45 kVA unit delivers about 36 kW.

How much fuel does a 45 kVA generator use?

The reference model, the Multiquip WhisperWatt DCA45SSIU4F, burns about 2.93 gallons per hour at full load and less at partial load.

How long will a 45 kVA generator run on a full tank?

With a 79.2-gallon tank, the Multiquip WhisperWatt DCA45SSIU4F runs about 27 hours at full load and considerably longer at typical partial loads.

How loud is a 45 kVA WhisperWatt generator?

Super-silent enclosed units like the Multiquip WhisperWatt DCA45SSIU4F are rated at about 66 dB(A) at 23 feet, quiet enough for residential and event work.

Does IronPower ship 45 kVA generators?

Yes. IronPower Industries ships diesel generators nationwide from Hialeah, Florida, and offers financing on approved credit.

Other sizes: 25 kVA generators · 70 kVA generators · 125 kVA generators. Browse all diesel generators or all Multiquip equipment.

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