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Kohler T12 Generator Set

The Kohler T12 generator set is specially designed to meet the most demanding requirements, both in standby and prime operations. 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 set for your project.

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

Product Description

General Description

Kohler T12 Diesel Generator, manufactured in France, with emergency power of 11.5 kVA and continuous power of 10.5 kVA, operating at a frequency of 50 Hz and a speed of 1500 rpm. Supplied voltage: 400 / 230V.


The generator is equipped with a 1.32L MITSUBISHI engine, with a maximum power of 11.2 kW:

  • Number of cylinders: 3
  • Fuel: diesel
  • Cooling system type: radiator
  • Fuel consumption at 100% load: 3.1 l/h
  • Fuel consumption at 75% load: 2.5 l/h
  • Fuel consumption at 50% load: 2.1 l/h


The generator set is equipped with 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 is equipped with a 50-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 charging the battery when the generator is not running, alternator for charging the accumulator during engine operation, and vibration dampers located between the chassis and the engine-alternator assembly.

APM303 Digital Controller

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

Soundproof Hood

The soundproof hood is built from durable elements, painted to the highest standards. The hood is equipped with doors that allow easy access to the generator set elements for quick and easy interventions. The soundproofing capacity of the hood is impressive, reducing the noise level to 71 dB at 1 meter and 58 dB at 7 meters.

  • Dimensions of the soundproof generator: L 1750 mm x W 775 mm x H 1230
  • Total weight: 530 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;
  • Phase direction protection for the network and the group;
  • Phase loss protection.
  • LED for signaling the phase alignment 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 generators, Best Tools offers complete services: consultancy, training, warranties, maintenance contracts, a complete range of related equipment, delivery, assembly, 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 over 15 mobile service laboratories and by personnel located in key points in Romania. The central service laboratory in Bucharest meets the expectations set by the premium manufacturers we represent.


Kohler Company was founded 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. At present, Kohler is the third most important generator manufacturer in the world, 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).