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Kohler V400 Generator Set

Grupul electrogen Kohler V400 is specially designed to meet the most demanding requirements, both in standby and prime power applications. Explore the generator and get in touch with us. A Best Tools representative will provide you with all the relevant information and, if needed, guide you to the perfect generator for your project.

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

Product Description

Kohler V400 Diesel Generator – Overview

The Kohler V400 generator is a diesel-powered unit manufactured in France, providing emergency power of 390 kVA and continuous power of 355 kVA at a frequency of 50 Hz and a speed of 1500 rpm. The supplied voltage is 400 / 230V.


The generator is equipped with a 12.78-liter VOLVO engine, delivering a maximum power of 343 kW:

  • Number of cylinders: 6
  • Fuel: Diesel
  • Cooling system: Radiator
  • Consumption at 100% load: 70.7 l/h
  • Consumption at 75% load: 53.3 l/h
  • Consumption at 50% load: 36.6 l/h


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

Constructional Elements

The generator includes a 470-liter fuel tank, an electronic speed regulator, a preheating system for the cooling liquid (facilitating easy starts in cold seasons), a 12V starting system, a rectifier for charging the battery when the generator is not running, and vibration dampers placed between the chassis and the engine-alternator assembly.

APM403 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 measurement instruments, signaling devices for faults and more, command keys, and indicators for various warning messages and correct operation of the entire assembly.

Soundproof Enclosure

The soundproof enclosure is constructed with durable elements, painted to the highest standards. Equipped with doors that allow easy access to the generator components for quick and convenient interventions. The soundproofing capacity of the enclosure is impressive, reducing noise levels to 77 dB at 1 meter and 67 dB at 7 meters.

Generator Dimensions:

  • Length: 4475 mm
  • Width: 1410 mm
  • Height: 2430 mm
  • Total Weight: 4035 kg

Optional AAR VERSO 200 S – 630 A Source Inverter Panel Dimensions:

  • 805 mm x 620 mm x 485 mm

Protection Features:

  • Protection for ±15% fluctuations in frequency and voltage
  • Phase sequence protection for both the grid and the generator
  • Phase loss protection
  • LEDs for signaling the phase status of the grid and the generator, the electrical network or generator’s state, and the position of the contactor for the network and the generator.

After-Sales Services

In addition to Kohler generators, Best Tools offers comprehensive services, including consultancy, training, warranties, maintenance contracts, a complete range of associated 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 over 15 mobile service laboratories and personnel located in key points throughout Romania. The central service laboratory in Bucharest meets the expectations set by the premium manufacturers we represent.


Founded in 1873 in the United States, Kohler produced the first modern generator in 1920. 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, setting trends in the field.

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

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