CUMMINS QSB6.7 Service Manual

Service Manual
QSB6.7 CM2350 B112
Volume 1
Cummins Inc.
Box 3005
Columbus, Indiana, U.S.A., 47202
Registered Office
Cummins Ltd.
49 - 51 Gresham Road,
Staines,
Middlesex TW18 2BD,
England
Registration 573951 England
Copyright
©
2017
Cummins Inc.
Service Manual QSB6.7 CM2350 B112 Volume 1
Bulletin 4358498
Printed in U.S.A. 01-MAY-2017
372194_Cummins_Vol1.indd 1 5/15/17 6:43 AM

CUMMINS QSB6.7 Specifications

General

Engine Model	QSB6.7
Compression Ratio	17.3:1
Displacement	6.7 L [409 in³]
Aspiration	Turbocharged
Fuel System	High Pressure Common Rail (HPCR)
Emission Standards	Tier 4 Final
Governed Speed	2200 rpm
Bore and Stroke	4.21 x 5.00 inches (107 x 127 mm)

Summary

Foreword

Section i - Introduction

About the Manual

Provides general information about the manual's content and structure.

How to Use the Manual

Explains how to navigate and understand the manual's sections and procedures.

Symbols

Defines symbols used in the manual for warnings, cautions, and actions.

Illustrations

Explains the purpose and use of illustrations in the manual.

General Safety Instructions

Provides essential safety precautions for operating and servicing equipment.

General Repair Instructions

Guidelines and precautions for performing engine repairs.

General Cleaning Instructions

Procedures and precautions for cleaning engine parts and surfaces.

Acronyms and Abbreviations

Lists and defines common acronyms and abbreviations used in the manual.

Section E - Engine and System Identification

Cummins® Product Technology

Overview of Cummins product technology and engine identification.

Cummins® Service Engine Model Identification

Procedure for identifying Cummins engines using service model names.

Engine Dataplates

Details various engine dataplates for identification and service.

Engine Views and Diagrams

Illustrations and labels showing external engine components and their locations.