Airman SDG25 Series Diesel Driven Portable Generator
25 kVA prime power output, Isuzu 4LE2T Diesel engine, optional VFD model available.

- By Airman USA
- Factory Warranty and Support Available
- Excluded From Free Shipping
- Local Service Available on All Brands
Overview
Features
- Power output:
- Prime power: 20 kW / 25 kVA
- Standby power: 22 kW / 27.5 kVA
- Voltage: SDG25S
- 1 phase (switchable): 120V / 240V / 277V
- 3 phase (switchable): 208V / 240V / 416V / 480V
- Voltage: SDG25SV
- 440 to 480V, 30 to 60 Hz
- Airman WYE Winding alternator
- 32 hrs run time
- Isuzu 4LE2T 33.3 HP Diesel engine
- 51.5 gallon fuel tank
Description
The Airman SDG25 Series Diesel Driven Portable Generator is powered by a Isuzu 4LE2T Diesel engine and provides exceptional performance with over 32 hours of runtime at full load. Delivering 20 kW / 25 kVA of prime power, this generator features auto start as a standard option. The SDG25 includes automatic voltage regulation (+/- 0.5%) and an exterior potentiometer for precise voltage selection.
Available in a Variable Frequency Drive (VFD) model, the VFD allows the 20kW generator to start a 20 HP pump or motor that would typically require a 50 to 55 kW generator, offering significant efficiency and cost savings. The VFD also provides precise control over motor and pump speeds, ensuring versatility while addressing potential light loading issues.
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