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Kohler K9 Generator Set

The Kohler K9 generator set is specially designed to meet the most demanding requirements, both in standby and in Prime applications. Explore the generator and contact us. A Best Tools representative will provide you with all relevant information and, if necessary, guide you to the perfect generator for your project.

*For price quotes and other details, please contact us.

Product Description

General Description

The Kohler K9 generator set is a diesel-powered unit produced in France, capable of generating 8.9 kVA in emergency mode and 8.1 kVA in continuous mode, operating at a frequency of 50 Hz and a speed of 1500 rpm. The supplied voltage is 400 / 230 V.


The generator is equipped with a KOHLER KDI engine with a displacement of 1.03 liters, providing a maximum power of 8.5 kW:

– Number of cylinders: 3
– Fuel: diesel
– Cooling system type: radiator
– Fuel consumption at 100% load: 2.5 l/h
– Fuel consumption at 75% load: 1.9 l/h
– Fuel consumption at 50% load: 1.3 l/h


The generator set features a direct-coupled Kohler alternator, self-excited without brushes, insulation class H, protection degree IP 23, with 3 phases and 4 poles.

Constructive Elements

The generator comes with a 50-liter tank integrated under the chassis, electronic speed regulator, pre-heating system for the cooling liquid (for easy starting in cold seasons), 12V starting system, rectifier for battery charging when the generator is not operating, alternator for charging the battery during engine operation, and vibration dampers placed between the chassis and the motor-alternator assembly.

APM303 Digital Controller

The control panel is user-friendly, even for unskilled personnel, designed to provide extensive details about the generator’s operation. The controller incorporates numerous measuring instruments for generator operation, signaling devices for faults and more, control keys, and indicators for various warning messages and proper functioning of the entire assembly.

Soundproof Canopy

The soundproof canopy is constructed from sturdy elements, painted to the highest standards. The canopy is equipped with doors that allow easy access to the generator components for quick and easy interventions. The soundproofing capacity of the canopy is impressive, reducing the noise level to 67 dB at 1 meter and 54 dB at 7 meters.

  • Dimensions of the soundproof generator: L 1482 mm x W 760 mm x H 1030 mm.
  • Weight: 390 kg.

AAR VERSO 100 S – 35 A source inverter (OPTIONAL)

  • Panel dimensions: 385mm x 385mm x 193mm.
  • Protection for ±15% fluctuations in frequency and voltage;
  • Protection against phase sequence in the network and the group;
  • Protection against phase loss.
  • LED for signaling the phase sequence of the network and the group;
  • LED for the status of the electrical network or group;
  • LED for the position of the contactor for the network and the group.

After-Sales Services

In addition to Kohler generators, Best Tools offers comprehensive services: consultancy, training, warranties, maintenance contracts, a complete range of related equipment, delivery, assembly, and commissioning. Best Tools Company technicians are trained directly by KOHLER, regularly participating in training sessions organized in Brest, France. National coverage is provided by over 15 mobile service laboratories and personnel located in key points in Romania. The central service laboratory in Bucharest meets the expectations of the premium manufacturers we represent.


The Kohler company was established in 1873 in the United States of America. In 1920, Kohler produced the first modern generator. Its generator division has become increasingly efficient, especially after acquiring the French manufacturer SDMO Industries. At present, Kohler is the third most important generator manufacturer globally, being a true trendsetter in the field.

Best Tools Company is the exclusive Kohler dealer in Romania and neighboring countries, distributing the complete range of the renowned manufacturer, from portable generators to high-power generator sets (1 – 4500 kVA).

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