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 |
|---|---|---|---|---|---|
| CAT | 3406C, 3406B, 3406 | 346D | Service Letter | Mounting Stud Washer |
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| CAT | 3406C, 3406B, 3406 | 346D | Service Letter | Changes to Model 346D |
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| CAT | 3406C, 3406B, 3406 | 346D, 349A | Service Letter | New Base Support |
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| CAT | 3406C, 3406B, 3406 | 349, 349A | Service Letter | Check Valve Assemblies |
|
| CAT | 3406C, 3406B, 3406 | 349, 349A | Service Letter | New Control Valve Spacer / Cover |
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| CAT | 3406C, 3406B, 3406 | 349, 349A | Service Letter | New Control Valve Spring P/N 21506 |
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| CAT | 3406C, 3406B, 3406 | 349, 349A | Service Letter | Control Valve Spring Configuration |
|
| CAT | 3406C, 3406B, 3406 | 346D | Spec Sheet | 346D Spec Sheet |
|
| CAT | 3406C, 3406B, 3406 | 349A | Service Letter | New Trigger Cap |
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| CAT | 3406C, 3406B, 3406 | 349A | Service Letter | Dial Indicator |
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