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Kohler J22 Generator Set

The Kohler J22 generator set is specifically designed to meet the most demanding requirements, both in standby and prime power applications. Explore the generator and contact us. A representative from Best Tools will provide you with all relevant information and, if necessary, guide you to the perfect generator for your project.

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

Product Description

General Description

The Kohler J22 generator set is a diesel-powered unit manufactured in France, providing emergency power of 22 kVA and continuous power of 20 kVA, 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 JOHN DEERE engine with a displacement of 2.91 liters, delivering a maximum power of 31 kW:

  • Number of cylinders: 3
  • Fuel: diesel
  • Cooling system type: radiator
  • Fuel consumption at 100% load: 7.5 l/h
  • Fuel consumption at 75% load: 5.5 l/h
  • Fuel consumption at 50% load: 4 l/h


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

Constructive Elements

The generator includes a 100-liter tank integrated under the chassis, electronic speed regulator, preheating system for the cooling liquid (for easy starting in cold seasons), 12V starting system, rectifier for battery charging when the generator is not in operation, 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 set’s operation. The controller incorporates dozens of instruments to measure the generator’s operation, signaling devices for faults and more, control buttons, and indicators for various warning messages and correct operation 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 allowing easy access to the generator set components for quick and easy interventions. The soundproofing capacity of the canopy is impressive, reducing the noise level to 73 dB at 1 meter and 63 dB at 7 meters.

  • Soundproof Generator Dimensions: L 2100 mm x W 938 mm x H 1285 mm.
  • Total Weight: 812 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 for phase sequence in the network and the group;
  • Protection for phase loss.
  • LED for signaling the phase sequence of the network and the group;
  • LED for the status of the electrical network or the group;
  • LED for the position of the contactor for the network and the group.

After-Sales Services

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


Kohler was established in 1873 in the United States. In 1920, Kohler produced the first modern generator. Its generator division has become increasingly efficient, especially after acquiring the French manufacturer SDMO Industries. Currently, 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 products from this renowned manufacturer, from portable generators to high-power generator sets (1 – 4500 kVA).

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