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The Wacker Neuson G25 Mobile Generator #5100050024 offers contractors and rental houses an excellent power solution. The compact design includes an integrated trailer with folding tongue to allow more machines to fit on a flatbed trailer. The efficient, quiet generator provides single and three-phase power for construction, commercial, industrial and special event applications where quiet, reliable power is needed. A digital controller monitors and protects the generator and engine while providing continuous operating data on an easy to read LCD display. Large capacity fuel tank for long run times and durable features for long life.

Please read below & Call Rich 412.447.5400 ext 6.

Price does not include freight, freight will be added at actual cost. Serious and ready to commit inquiries are welcome to contact us for final freight and total order cost. Price is based on a prepaid wire transfer to avoid credit card fees

Wacker Neuson Mobile Generators Brochure (click for pdf)

  • Kohler turbo-charged engine uses Diesel Oxidation Catalyst (DOC) to provide a DPF and regeneration-free experience.
  • Brushless, oversized alternators with separate excitation winding and AVR (Automatic Voltage Regulation) provide superior motor starting and enhanced ability to run non-linear loads
  • Voltage selector switch allows operator to easily select setting before starting the generator
  • Automatic remote start capability standard which is ideal for temporary standby applications.
  • QuietPower rated at 63 dBA, ideal for sound-sensitive applications such as special events


Length x width x height skid


75 x 37 x 48.5

Operating weight



Length x width x height with trailer


131.8 x 58.3 x 68.8

Operating weight



Prime output

kW / kVA

20 / 25

Standby output

kW / kVA

22 / 27

AC voltage single phase three phase

1Ø 3Ø

120, 127, 139, 240, 254, 277V adjustable 208, 220, 240, 416, 440, 480V reconnectable*




Power factor

1Ø / 3Ø

1.0 / 0.8

Voltage regulation no load to full load steady state


±1 ±0.2

Sound level at max. load


63 @ 23 ft

Engine type


Kohler KDI1903

Rated standby power

hp rpm

@ 1,800

Fuel tank capacity



Fuel consumption @ prime



Trailer hitch type


2-inch Ball

AC Receptacles
20A GFCI Duplex 5-20R 50A Twist Lock CS6369


2 2

DEF capacity


DEF consumption


CSA certified



Please be aware that if a price is advertised through Google, it is outdated as the mfg has had another price increase. We are also awaiting the production rpt for estimated ship dates for our pre-ordered stock units. As always it is less money to ship direct from the mfg, but those orders will have an even longer lead time.