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Standard Features
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The G25 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.


Wacker Neuson
Model Year
G25 (T4F)
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Engine Make
Engine Type
4-cylinder, Tier IV Final
31.5 hp (23.5 kW) @ 1,800 rpm
133 cu. in. (2,179 cm³)
Fuel Type
No. 2 diesel
Fuel Tank Capacity
58.4 gal. (221 l)
Oil Capacity
11 qt. (10.4 l)


Rated AC Output
Standby: 21.4 kW
Prime: 19.5 kW
Rated AC Current
120 / 240V
AC Frequency
60 Hz
Continuous Operating Hours
28.2 hrs.at 100% prime load


Skid - Operating: 76.6 in. (1,946 mm)
Skid - Shipping: 81 in. (2,057 mm)
With Trailer: 133 in. (3,378 mm)
Skid - Operating: 44.5 in. (1,130 mm)
Skid - Shipping: 56.6 in. (1,438 mm)
With Trailer: 69 in. (1,753 mm)
Skid - Operating: 35 in. (889 mm)
Skid - Shipping: 37.5 in. (953 mm)
With Trailer: 60 in. (1,524 mm)
Skid - Dry: 1,952 lbs. (885 kg)
Skid - Operating: 2,373 lbs. (1,076 kg)
Skid - Shipping: 2,072 lbs. (940 kg)
With Trailer - Operating: 2,843 lbs. (1,289 kg)
With Trailer - Shipping: 2,422 lbs. (1,098 kg)


(2) 20A GFI duplex; (2) 50A twist lock

Standard Features

 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.  


 Model Variations
 G 25 (T4F) - G 25 generator, skid base, Tier 4 Final engine  
 G 25 (T4F) Cold Weather - G 25 generator, skid base, cold weather, Tier 4 Final engine  
 G 25 (T4F) Custom - G 25 generator, skid base, custom, Tier 4 Final engine  
 G 25 (TF4) Extended - G 25 generator, skid base, extended run tank, Tier 4 Final engine  
 Fluid containment system  
 Cold weather options  
 Camlock panel  
 Trailers that are fully equipped and highway ready  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.