Service Literature

From Spec Sheets to Tune-up Kit Instructions, Service Letters to Installation Manuals, our Service Literature look-up has the literature you need for your engine brake. For product-related and technical inquiries related to the engine brake, please contact your engine manufacturer’s parts and service network.

Narrow your results by selecting an Engine Manufacturer and/or type of literature. You can also narrow the results by engine model numbers and/or Jacobs brake model numbers. Full or partial searches will work.

Engine OEM Engine Model Jacobs Brake Model Literature Category Service Literature Download Edit
Cummins NH, NT 425A Installation Manual

425A Replacement Housing Assy. Instructions

Cummins X15 Intebrake Spec Sheet

Intebrake Sell Sheet

Cummins N14 Plus (N-14 Plus) 455 Service Letter

Engine Brake Robo-Lash(R) Adjustment Procedure

Cummins N14 Plus (N-14 Plus) 455 Service Letter

Vented Control Valve Cover

Cummins N14 (N-14) 440, 440A Spec Sheet

440 & 440A Spec Sheet

Cummins N14 (N-14) 440, 440A, 445 Service Letter

New Kit and Housing P/N's

Cummins N14 (N-14) 440, 440A, 445, 450A, 450B Tune Up Kit Instructions

Tune-up Kit for Models 440/445/440A/450A/450B

Cummins N14 (N-14) 440, 440A, 450A, 450B Service Letter

Housing Serial Numbers

Cummins N14 (N-14) 440, 440A, 450A, 450B Service Letter

New Autolash Assemblies

Cummins N14 (N-14) 450A, 450B Spec Sheet

450A/B Spec. Sheet

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