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How do I know the right Jake brake for my 8V-71 or 8V-92 series engine?
The application information below can be used to determine the appropriate Jacobs retarder model for Detroit Diesel engines.
Engine Model Control Type Brake Type/Model Lash Setting Lash Adjust. Tool Tune Up Kit
4-71A DDEC III DDEC III 71/92 Engine Brake 0.059" 7958 17056
6-71A Mechanical Mechanical 71/92 Engine Brake 0.059" 7958 17056
8V-71A Mechanical Mechanical 71/92 Engine Brake 0.059" 7958 17057
6V-92A Mechanical Mechanical 71/92 Engine Brake 0.059" 7958 17056
6V-92A DDEC II DDEC II 71/92 Engine Brake 0.059" 7958 17056
6V-92A DDEC III DDEC III 71/92 Engine Brake 0.059" 7958 17056
8V-92A Mechanical Mechanical 71/92 Engine Brake 0.059" 7958 17057
8V-92A DDEC II DDEC II 71/92 Engine Brake 0.059" 7958 17057
8V-92A DDEC III DDEC III 71/92 Engine Brake 0.059" 7958 17057

Information provided by Jacobs Vehicle Systems


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