Caterpillar 3508 Diesel Engine Service Manual

This Caterpillar 3508 Diesel Engine Service Manual provides comprehensive coverage for your diesel engine. It includes detailed procedures, specifications, and diagrams for maintenance and repair.

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Document Details

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Document Number / Seller:
25684 / Robert Crawford
File Size:
48.33 MB
File Type:
PDF
Language:
English
Pages:
650+
Printable:
Yes
Category:
Diesel Engine
Last updated / verified
Apr 25, 2025

Models Covered & Key Technical Specifications

Caterpillar 3508 Diesel Engine Service Manual: Caterpillar 3508 Diesel Engines - Factory Diagnostics & Repair Procedures

Technical Manual | Engine Specifications Repository

  • Factory: Engine coolant temperature specifications range from 150F to 180F for optimal system performance.
  • Essential: Fuel injection timing specifications are set at 29 degrees BTDC to ensure efficient combustion.
  • Key: Oil pressure specifications indicate a minimum of 40 psi at full load rpm for proper lubrication.
  • Primary: Governor speed settings can be adjusted to maintain stable engine operation across varying loads.
  • General: Valve clearance specifications require 0.015 inches for intake and 0.030 inches for exhaust valves.
  • Integral: Air intake restriction specifications should not exceed 30 inches of water for optimal airflow.

Professional Workshop Service Manual & Technical Specifications

Caterpillar 3508 Diesel Engine Service Manual: Caterpillar 3508 Diesel Engines - Factory Diagnostics & Repair Procedures

Service-Level: Engine Specifications // Repair-Classification: Diesel Engine / Fuel System Logic // Operational-Framework: Comprehensive diagnostic and repair data.

Specifications Overview

Caterpillar 3508 Diesel Engine Technical Manual

Metric Value Validation-Data
Factory Engine coolant temperature specifications range from 150F to 180F for optimal system performance. 175 F
Essential Fuel injection timing specifications are set at 29 degrees BTDC to ensure efficient combustion. 29 Deg BTDC
Key Oil pressure specifications indicate a minimum of 40 psi at full load rpm for proper lubrication. 40 psi
Primary Governor speed settings can be adjusted to maintain stable engine operation across varying loads. N/A
General Valve clearance specifications require 0.015 inches for intake and 0.030 inches for exhaust valves. 0.015 in (Intake) / 0.030 in (Exhaust)
Integral Air intake restriction specifications should not exceed 30 inches of water for optimal airflow. 30 in H2O

Service procedures are grouped by system and component.

Key Features:

  • Engine Design: Detailed explanations of cylinder and valve location, bore, stroke, and compression ratios.
  • Fuel System: Comprehensive information on fuel injection, pressure regulators, and fuel flow.
  • Lubrication System: Schematics and procedures for oil galleries, oil pump, and oil filters.
  • Troubleshooting: Extensive guide to diagnosing and resolving common engine issues.
  • Governor Systems: In-depth coverage of Woodward and Caterpillar governors, including adjustment procedures.

This manual documents torque specifications for various engine components to ensure proper assembly stress control.

FAQ

Specify the **applicable** lubrication requirements for the Caterpillar 3508? keyboard_arrow_down

40 psi is the minimum oil pressure required at full load rpm for proper lubrication according to the specifications.

What is the **exact** testing parameter for fuel injection timing? keyboard_arrow_down

29 degrees BTDC is the specified fuel injection timing setting to ensure efficient combustion.

Calculate the **specific** diagnostic procedures for valve clearance? keyboard_arrow_down

0.015 inches for intake valves and 0.030 inches for exhaust valves are the specified clearance measurements.

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Reviews (4)

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I found the maintenance procedures straightforward and easy to follow. The download process was smooth, and the email support was quick to respond when I had questions. Highly recommend!
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This manual covers all aspects of the engine thoroughly. I appreciated the professional service when I encountered issues downloading it, they were very helpful!
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The Caterpillar 3508 Diesel Engine Technical Manual is incredibly detailed and has everything I needed to maintain our engines. The troubleshooting section is particularly useful!
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Rated 5 out of 5 stars