Lawn Tractors S100 - S110 - S120 - S130 - S140 - S160 - S170 - S180 Technical Manual - TM166219 - Safety and Service Overview

Oct 23, 2026

Technical manual covering John Deere Lawn Tractors with model range S100, S110, S120, S130, S140, S160, S170, and S180 under document TM166219. Provides introduction guidance for experienced technicians, emphasizing safety practices, use of a safety-alert symbol, and organization of content into repair/operation and tests sections. Includes structured information groupings with essential tools, equipment, materials, service parts kits, specifications, wear tolerances, and torque values, plus an indexed contents overview for safety, specifications, engine repair, electrical repair, and related systems.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages5

Reading Time13 min

AccessFree to download

Introduction

Foreword

Section 10—General Information

Group 05—Safety

Group 20—General Specifications

Section 20—Single Cylinder Engine Repair

Group 10—Single Cylinder Engine Repair

Section 25—V-Twin Engine Repair

Group 10—V-Twin Engine Repair

Section 30—Electrical Repair

Group 10—Component Location

Section 45—Hydrostatic Power Train Repair

Group 05—Component Location

Group 10—Hydrostatic Power Train Repair

Section 50—Steering and Brake Repair

Group 10—Steering Repair

Group 20—Brake Repair

S100, S110, S120, S130, S140, S160, S170, and S180 Lawn Tractors (S.N. 010001-) TECHNICAL MANUAL S100, S110, S120, S130, S140, S150, S160, S170, and S180 Lawn Tractors TM166219 30OCT20 (ENGLISH) John Deere Power Products PRINTED IN U.S.A. *tm166219* *DCG* Introduction | Foreword | | | --- | --- | | This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use. Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.
Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components. Operation and tests sections help you identify the majority of routine failures quickly. | Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values. Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.
Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic typeof failures and their causes. | | DX,TMIFC -19-15APR14-1/1 | | Contents | Section 10—General Information
Group 05—Safety
Group 20—General Specifications
Group 15—Fuel and Lubricants
Group 25—Machine Specifications
Section 20—Single Cylinder Engine Repair
Group 10—Single Cylinder Engine Repair
Section 25—V-Twin Engine Repair
Group 10—V-Twin Engine Repair
Section 30—Electrical Repair
Group 10—Component Location
Section 45—Hydrostatic Power Train Repair
Group 05—Component Location
Group 10—Hydrostatic Power Train Repair
Section 50—Steering and Brake Repair
Group 10—Steering Repair
Group 20—Brake Repair
Section 60—Attachments Repair
Group 10—Component Location Group 15—Attachments Repair
Section 70—Miscellaneous Repair
Group 10—Miscellaneous Repair
Section 220—Single Cylinder Engine Operation, Tests, and Adjustments
Group 10—Diagnostics
Group 20—Tests and Adjustments
Section 225—V-Twin Engine Operation, Tests, and Adjustments
Group 20—General Information Group 40—Diagnosis
Group 50—Tests and Adjustments
Section 230—Electrical Operation, Tests, and Adjustments
Group 10—Theory of Operation
Group 20—Diagnostics
Group 30—Tests and Adjustments
Group 45—Schematics | Group 50—Connector Information
Section 245—Hydrostatic Power Train Operation, Tests, and Adjustments
Group 10—Theory of Operation
Group 20—Diagnostics
Group 30—Tests and Adjustments
Section 250—Steering and Brake Operation,
Tests, and Adjustments
Group 10—Steering Component Location Group 20—Steering Tests and Adjustments Group 30—Brake Component Location Group 40—Brake Tests and Adjustments
Section 260—Attachments Operation, Tests, and Adjustments
Group 10—Diagnostics
Group 20—Tests and Adjustments
Section 299—Service Tools and Kits
Group 10—Service Tools | | --- | --- | | Original Instructions. All information, illustrations and specifications in this manual are based on the latest information available at the time of publication.
The right is reserved to make changes at any time without notice.
COPYRIGHT © 2020 DEERE & COMPANY Moline, Illinois All rights reserved.
A John Deere ILLUSTRUCTION ™ Manual Previous Editions Copyright © 2018, 2017, 2019 | | TM166219 (30OCT20) i 012721 PN=1 TM166219 (3

FAQs

Who is this manual written for?

The manual is written for an experienced technician.

How are safety instructions organized in the manual?

Safety messages appear in the introduction and cautions are presented throughout the manual, using a safety-alert symbol to indicate potential personal injury hazards.

How is the manual content structured for repairs and diagnostics?

Technical manuals are divided into two parts: repair and operation, and tests. Repair sections describe how to repair components, while operation and tests sections help identify routine failures quickly.

Oct 23, 2026

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