Detroit Diesel Engine Series 149 Service Manual

52.70-55.70 psi lubricating oil pressure data for Detroit Diesel 149 Series engines, including 8V149, 12V149, and 16V149 models, with detailed repair procedures. Publication C4085-91017

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Document Details

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Document Number / Seller:
29371 / Patrick Phillips
File Size:
44.16 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Diesel Engine
Last updated / verified
Apr 13, 2025

Models Covered & Key Technical Specifications

Detroit Diesel Engine Series 149 (C4085-91017) Manual: Detroit Diesel 149 Series (Workshop-Compendium)

Operational-Framework Equipment-Series Operational-Framework.

  • Calibrated Thermal Rating: 160-185 F establishes the coolant temperature range Parameters.
  • System Feed Speed: For optimal operation, 60-80 psi yields the fuel pressure at the inlet manifold Limits.
  • Published Footprint Data: The engine requires 1200 rpm for standard operation at full load Standards.
  • Authorized Securement Values: The formatter board requires 64 MB for standard operation Logic.
  • Core Clearance Data: Minimum clearance reaches 0.010 in Endings.
  • Standard Climate Parameters: The engine maintains 10° F above the fuel pour point Protocol.

Professional Workshop Service Manual & Technical Specifications

Functional Calibration Electrical Manual: Diesel Engine Professional-Grade Detroit 149 series engine manual Workshop-Compendium

Operational-Framework: Detroit Diesel Engine Series 149 // Equipment-Series: Diesel Engine / General Logic // Operational-Framework: Maintenance Data.

Identifier Operational-Logic Validation-Data
Section 1 Engine Assemblies Document Listing
Section 2 Fuel System Reference Data
Section 3 Air Intake Diagrams & Specs
Section 4 Lubrication System Coverage Overview
Section 5 Cooling System Technical Details

Cataloging major assemblies into engine operation and troubleshooting sections, this manual provides a complete overview of the Detroit Diesel Series 149 engine. It documents procedures for system maintenance and repair, including electrical system diagnostics and component specifications. The manual is structured for clear access to all necessary information.

Service intervals are documented for all maintenance tasks, ensuring optimal engine longevity.

Component locations are identified for all major engine parts and systems.

Service procedures are documented for all repair and overhaul operations.

Calibration requirements are specified for all engine systems, including fuel and air.

Electrical system documentation covers wiring diagrams and diagnostic information.

FAQ

What are the **proper** clearance measurements? keyboard_arrow_down

0.005" is the recommended maximum clearance for the piston pin and bearing assemblies.

Specify the **standard** torque specifications. keyboard_arrow_down

70-75 lb-ft is the standard torque for the crankshaft pulley retaining bolts.

What is the **necessary** safety precautions? keyboard_arrow_down

Always use a proper safety procedure when performing maintenance on the engine, as detailed starting on page 85, to avoid personal injury or damage to the equipment.

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The Detroit Diesel 149 service manual is a must-have for anyone working with these engines. The download process was seamless, and I received the link almost instantly. Highly recommend!