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Kohler KD4500 Generator Set

The Kohler KD4500 Diesel Generator 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 the 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

Kohler KD4500 Diesel Generator, manufactured in France, produces 4500 kVA in emergency mode and 4090 kVA in continuous mode, at a frequency of 50 Hz and a speed of 1500 rpm. Supplied voltage: 400 / 230 V.


The generator is equipped with a KOHLER KD Series 103.43l engine, with a maximum power of 3800 kW:

  • Number of cylinders: 20 (V)
  • Fuel: diesel
  • Cooling system type: radiator


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

Structural Elements

The generator is equipped with an electronic speed regulator, a pre-heating system for the cooling liquid (for easy starting in cold seasons), a 12V starting system, a rectifier for charging the battery when the generator is not in operation, an alternator for charging the battery during engine operation, and vibration dampers located between the chassis and the engine-alternator assembly.

APM802 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 dozens of measurement instruments for generator operation, signaling devices for faults and more, control keys, and indicators for various warning messages and correct operation of the entire assembly.

  • Total weight: 26100 kg.

AAR VERSO 200 S – 6000 A source inverter (OPTIONAL)

  • Panel dimensions: 1600mm x 606mm x 442mm.
  • Protection against fluctuations of ±15% in frequency and voltage;
  • Phase direction protection for both the grid and the generator set;
  • Phase loss protection.
  • LEDs for signaling phase direction related to the grid and the generator set;
  • LEDs indicating the status of the electrical grid or the generator set;
  • LED indicating the position of the contactor for the grid and the generator set.

After-Sales Services

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


Kohler was founded 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. 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 the renowned manufacturer, from portable generators to high-power generator sets (1 – 4500 kVA).

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