2019 Kohler Engine 8RESV 8 kW Generator


Kohler Engine
8RESV 8 kW Generator



8RESV with OnCue Plus Single Phase, LPG|Natural Gas

Our generators for backup power provide reliability and performance. When you lose power during an outage or storm, a hard-working 8 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.* OnCue® Plus Generator Management System is standard with every RESV or RESVL generator.

  • High Quality Power: Kohler generators provide advanced voltage and frequency regulation along with ultra-low levels of harmonic distortion for excellent generator power quality to protect your valuable electronics.
  • Powerful: The Kohler 8 kW generator can easily start and run a 4 ton air conditioner with up to 5 kW preload.*
  • Reliable: Kohler is known for extraordinary reliability and performance and backs that up with a 5-year or 2000 hour limited warranty.
  • Enclosure: Bold new Kohler design in steel, dipped in e-coat for extra corrosion protection and painted with a durable powder coat finish.
  • Remote Monitoring: Every 8RESV comes standard with OnCue® Plus, our remote monitoring system, which gives you peace of mind at home no matter where you are in the world.
The Power You Need
  • PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances
  • Extraordinary peak motor-starting capacity: 8RESV at 16.8kVA at 240V
  • Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics
  • Powered by reliable KOHLER SV620 engine with efficient OHV design. operation speed is 3600 rpm (the standard for air-cooled generators)
  • Compatible with Programmable Interface Module (PIM) and RXT, RDT and RSB Automatic Transfer Switches
  • Also compatible with Load Control Module (LCM) or Load Shed kit with single-phase generators only
The Conveniences You Expect
  • RDC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions
  • Accepts natural gas fuel pressure as low as 3.5 inches
  • Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
  • Meets 181 mph wind rating
  • Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field
  • Streamlined installation, simple terminal block for easy field connections. Kohler also offers concrete mounting pads to lower installation costs and time.
  • Rated kW LP: 8 kW
  • Rated kW NG: 7.0 kW
  • Amps LP: 33.3 amps
  • Amps NG: 29.2 amps
  • Peak Motor Starting kVA @240 V: 16.8 kVa
  • Alternator Note: All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
  • Displacement: 597 cm³ (36.4 cu. in.)
  • Horsepower: NG 11.4 hp, LP 14.8 hp
  • Enclosure Material: Steel
  • Sound Output During Weekly Exercise: 66 dB(A)
  • Sound Output During Full-speed Operation: 72 dB(A)
  • Response Time: 10 seconds
  • Warranty: Premium five-year limited warranty
  • Country of Origin: US
  • Certifications/Listings: EPA|CSA|UL 2200|cUL
  • Automatic Transfer Switch Included: No
  • Remote Monitoring Available: Included
  • Off Grid / Utility Backup: Utility Backup
  • Weight: 375 lb. (170 kg)
  • Alternator Type: 2-Pole, Rotating Field
  • Fuel Consumption on NG at 50% load: 64 cfh
  • Fuel Consumption on LP at 50% load: 51 cfh
  • Controller: RDC2 Digital Controller
  • Cylinder Arrangement: Single Cylinder
  • Dimensions: 712 mm x 777 mm x 824 mm (28 in. x 30 in. x 32.4 in.)
  • Engine Manufacturer/Description: KOHLER
  • Engine Model: SV620
  • Engine/Alternator RPM: 3600
  • Fuel Type: LPG|Natural Gas
  • Frequency: 60 Hz
  • Phase: Single Phase
  • Voltage @ 60 Hz: 120/240
  • Digital Voltage Regulation: ±1.0%
  • Built in Mounting Pad: Yes
*Based on generator and load size.



Engine Type
Gas: 11.4 hp; LP: 14.8 hp
36.4 cu. in. (597 cm³)


28 in. (712 mm)
30 in. (777 mm)
32.4 in. (824 mm)
375 lb. (170 kg)


AC Output
7.0 kW
Noise Level
72 dB(A)

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