
Reliable power for very large residential or small business needs. Built to weather the storms, our largest natural gas/liquid propane generators with industrial-grade engines keep your family comfortable and your business running when a utility failure or storm knocks out power.
In just 10 seconds, this KOHLER generator automatically powers everything, keeping you connected to the things you love to do.*
You get steady, high-quality power that protects sophisticated electronics from damage related to low-quality power sources.
We've got you covered with 5-year, 2,000-hour protection.
The APM402 controller with patented software is compatible with optional accessories that let you monitor your system remotely through your PC.
Choose the optional corrosion-resistant aluminum enclosure or standard steel enclosure.
| Model | KG125R |
| Rated kW LP | 105 kW |
| Rated kW NG | 125 kW |
| Amps LP | 438 amps |
| Amps NG | 521 amps |
| Peak Motor Starting kVA @240 V | 440 kVa |
| Alternator Note | All information shown is for 1 Phase 60 Hz generator with the largest alternator option available. |
| Displacement | 6.2 L (378 cu. In.) |
| Horsepower | NG 202 HP, LP 175 HP |
| Enclosure Material | 0=Aluminum, 1=Steel |
| Sound Output During Weekly Exercise | 71 dB(A) |
| Sound Output During Full-speed Operation | 71 dB(A) |
| Response Time | 10 seconds |
| Warranty | Premium five-year limited warranty |
| Country of Origin | US |
| Certifications/Listings | UL 2200,EPA,CSA |
| Automatic Transfer Switch Included | Sold Separately |
| Remote Monitoring Available | Sold Separately |
| Off Grid / Utility Backup | Utility Backup |
| Weight | 3340/3562 lbs. (1515/1616 kg) |
| Alternator Type | 4-Pole, Rotating Field |
| Fuel Consumption on NG at 50% load? | 1084 cfh |
| Fuel Consumption on LP at 50% load? | 388 cfh |
| Controller | APM402 |
| Cylinder Arrangement | V-8 |
| Dimensions | 3525 mm x 1154 mm x 1665 mm (138.8 in. x 45.4 in. x 65.5 in.) |
| Engine Manufacturer/Description | KOHLER |
| Engine Model | KG6208TAHD, 6.2L, Turbocharged |
| Engine/Alternator RPM | 1800 |
| Fuel Type | Natural Gas,LPG |
| Frequency | 60 Hz |
| Phase | Single Phase or Three Phase |
| Voltage @ 60 Hz | 120/240 |
| Digital Voltage Regulation | ±0.5% |
| Built in Mounting Pad | No |