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Toho Engine Treatment Oil

Tested And Proven For

  • Audi
  • BMW
  • Chrysler
  • Daihatsu
  • Ferrari
  • Ford
  • Hino
  • Honda
  • Hyundai
  • Isuzu
  • Jaguar
  • Jeep
  • Kia
  • Land Rover
  • Lexus
  • Mazda
  • Mercedes-Benz
  • Mitsubishi
  • Nissan
  • Opel
  • Peugeot
  • Proton
  • Porsche
  • Renault
  • Saab
  • Subaru
  • Toyota
  • Volkswagen
  • Volvo


Endurance Test at AVL

TOHO engaged an internationally reputed engine designer cum manufacturer, AVL List GmbH, to conduct an endurance test on TOHO 9000.

AVL has caried out endurance tests for 1,250 hours with TOHO 9000 in accordance with the MAN 500 test procedure equivalent to a vehicle running distance of approximately 100,000 km. This procedure is a well known test for European heavy duty engines with a rated powe output of 230 kW (313 PS). Based on the results of lube oil analysis (wear metal content, TBN, viscosity, insolubles) having been monitored throughout the whole test period, the engine with TOHO 9000 and regular topped up with standard oil stand for at least 100,000 km without any irregularities.

The endurance test used a LIEBHERR heavy-duty diesel engine (9,960 cc). After the test, the original manufacturer examined all the engine componetns thoroughly, and confirmed that no negative influences of TOHO 9000 with respect to engine wear.?/p>

Endurance Test at Fukuoka Institute of Technology (Japan)

Wear and tear test also had been successfully carried out in Fukuoka Institute of Technology (Japan), together with many vigorous road tests on taxis, heavy vehicles and other vehicles from major transport companies. Japan Airlines (JAL) had been conducted the durability tests and currently they are using in all JAL ground vehicles.?/td>


Based on the lube oil analysis as well as on the visual inspection results of the engine main components, an extention of the running time to more than 1,250 hours can be recommended.

No negative influence of the use of TOHO 9000 with respect to engine wear, power output or engine emissions are indicated.?/p>

Sample of AVL test reports - Endurance Test Engine Components

Who is AVL List Gmbh?

AVL List Gmbh is an Austria company established since 1948. AVL is the world's largest independent research and development centre for powertrain, related measurement and testing technology. Engine testing technology from AVL represents precision to supreme technical standards and they enjoy worldwide reputation among automobile manufacturers.


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