Ensure versatile power continuity for residential backup or remote applications with the Kohler 12RES 12kW Generator (Model 12RES). This robust system is engineered for both on-grid standby and off-grid power, delivering 12kW on liquid propane and 11kW on natural gas with a reliable 120/240-Volt single-phase configuration.
Powered by a heavy-duty Kohler CH740 4-cycle 725cc V-Twin engine, the 12RES features an advanced ADC-RES digital control system and compatibility with Kohler RDT automatic transfer switches. Housed in a durable steel enclosure with automotive-grade paint protection, it includes a built-in mounting pad for streamlined installation without requiring poured concrete.
Key Features
- Kohler 12RES 12kW Generator for On-Grid Standby or Off-Grid Power
- Single Phase 120/240V Commercial-Grade Engine Running on LP or NG
- Built-In Mounting Pad—No Concrete Required
- Easy-to-Connect Terminal Block for Simplified Wiring
- Features ADC-RES Advanced Digital Control System
- Kohler RDT Automatic Transfer Switch Compatibility
- Durable Steel Enclosure with Automotive-Grade Paint
- Proudly Built in the USA
- Kohler 5-Year / 2,000-Hour Standby Warranty (18-Month / 1,000-Hour Off-Grid)
Specifications
| Manufacturer | Kohler Energy |
|---|---|
| Model Number | 12RES |
| Series Name | Kohler HSB |
| Type | Standby / Off-Grid Generator |
| Rated Power - LP | 12 kW |
| Rated Power - Natural Gas | 11 kW |
| Surge Watts | 20.3 kVA |
| Rated Amps | 50 Amps |
| Voltage | 120/240 Volts Single Phase |
| Enclosure | Steel + Automotive Grade Paint |
| UL Listed | UL-2200 |
| Decibel Rating | 65 dB(A) |
| Starting System | Automatic |
| Low Oil Alert | Low Oil Shutdown |
| Mainline Breaker | 60 Amps |
| Battery Requirement | 12-Volt BCI Group 26 525 CCA |
| Mounting Pad | Included (Built-in Base) |
| Generator Dimensions (L x W x H) | 44.2 x 28.6 x 31.6 Inches |
| Generator Weight | 400 Pounds |
| Engine Brand | Kohler CH740 4-Cycle V-Twin |
| Engine Size | 725 cc V-Twin |
| Engine RPM | 3600 RPM |
| Cooling System | Air Cooled |
| Alternator Type | 2-Pole, Rotating Field 4-Lead |
| Frequency | 60 Hertz |
| Auto Voltage Regulation | ADC RES Controller |
| Fuel Type | Natural Gas (NG) or Propane (LP) |
| NG Consumption @ Full Load | 216 Cubic-Feet per Hour |
| NG Consumption @ Half Load | 128 Cubic-Feet per Hour |
| LP Consumption @ Full Load | 2.6 Gallons per Hour |
| LP Consumption @ Half Load | 1.45 Gallons per Hour |
| Made In USA | Yes |
| Warranty | Standby: Kohler 5-Year/2000-Hour | Off-Grid: Kohler 18-Month/1000-Hour |
Estimate delivery times:
3–8 days International.
UPS
Worldwide Expedited
Only USA & Canada.
- Brand: Kohler
- Product Code: 12RES-QS11
- Availability: In Stock