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Wacker G25

Available For Rent
Available For Purchase

The G 25 mobile generator offers contractors and rental houses an excellent power solution. The compact, sound-attenuated model 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.

  • Ideally suited for construction sites where durability, reliability and flexibility are required to supply continuous power for applications such as lighting, cranes, concrete mixers and conveyor belts.
  • Brushless, oversized alternators with separate excitation winding and AVR (Automatic Voltage Regulation) provide superior motor starting and enhanced ability to run non-linear loads.
  • Single switch start and simple, uncluttered control panel provide unmatched ease of use.
  • Automatic remote start capability standard which is ideal for temporary standby applications.
  • Factory-installed customized options are available. These include, but are not limited to, a fluid containment system, cold weather options, a camlock panel, etc. Also available are optional trailers that are fully equipped and highway ready.


Product files and documents

G25 PDF file, 276.41 KB

Length 76.6 in
Width 35 in
Height 44.5in
Operating Weight 2802lbs
Standby Output 20.4kW
Prime Output 19.5kW
Voltage 3 Phase 240/480V
Voltage 1 Phase 120, 127, 139, 240, 254, 277V
Current 3 Phase (Prime) 58/29A
Current 1 Phase (Prime) 120/240A
Circuit Breaker (Main) 70A
Frequency 60Hz
Sound Level at Prime 65dB(A)
Motor Liquid-Cooled, 4 Cylinders
Manufacturer Isuzu
Emissions Tier Level Tier 4i
Displacement 133in³
Operating Performance 35.4hp
RPM 1,800rpm
Fuel Type Diesel
Fuel Consumption (Prime Load) 1.8US gal/h
Tank Capacity 58.4US gal
Run Time (at 100% Prime Load) 32.2h