John Deere



Issue i9

John Deere Tractors

100 Series PIN (300001-)


Thank You for Purchasing a John Deere Product
Using Your Operator’s Manual
California Proposition 65 Warning
Special Messages
Table of Contents

Product Identification

Record Identification Numbers
Register Your Product and Warranty Online

Safety Labels

Safety Label Location
Understanding The Machine Safety Labels
DANGER - M89504
DANGER M128699
Warning M159705
Emission Control System Certification Label
Emission Compliance Period
Canadian Electromagnetic Compatibility (EMC) Compliance


Operating Safely
Using a Spark Arrestor
Checking Mowing Area
Parking Safely
Rotating Blades are Dangerous
Protect Children
Avoid Tipping
Keep Riders Off
Towing Loads Safely
Wear Appropriate Clothing
Driving Safely on Public Roads
Practice Safe Maintenance
Avoid High Pressure Fluids
Prevent Fires
Handling Fuel Safely
Tire Safety
Checking Wheel Hardware
Handling Waste Product and Chemicals


Charge and Connect Battery
Check Tire Pressure
Adjust Mower Deck Level
Check Engine Oil Level
Check Machine Safety System
Break In Electric Engagement Clutch (If Equipped)

Operating Controls

Operator Station Controls (LA105)
Operator Station Controls (LA115, LA125, LA135)
Operator Station Controls (LA145, LA155, LA165, LA175)


Daily Operating Checklist
Adjusting Seat
Adjusting Cutting Height
Checking Mower Deck Level
Adjusting Mower Deck Level
Adjusting Mower Deck Wheels
Testing Safety Systems
Testing Park Brake Switch
Testing Park Brake
Testing Attachment Engagement Switch or Lever
Testing Seat Switch
Testing Reverse Implement Option (RIO)
Using the Park Brake
Using the Hour Meter and Service Reminder
Using Key Switch and Headlights
Starting the Engine
Idling the Engine
Stopping the Engine
Using Travel Controls on Gear Transmission
Using Travel Controls on Automatic Transmission
Using The Reverse Implement Option (RIO)
Using Cruise Control (LA125, LA135, LA145, LA155, LA165, LA175)
Engaging and Disengaging Mower
Using Mulch Cover (107 cm (42 in.) and 122 cm (48 in.) Mower Decks (If Equipped)
Using Wash Port to Clean Mower Deck
Unplugging Mower, Bagger, or Material Collection System
Moving Machine by Hand
Transporting Machine on Trailer
Using Weights
Using Tire Chains
Using Accessories
Choosing Mower Blades
Mowing Tips

Service Intervals

Servicing Your Machine

Service Lubrication

Lubricating Front Axle
Lubricating Pivot Points

Service Engine

Engine Warranty Maintenance Statement
Avoid Fumes
Engine Oil
Checking Engine Oil Level
Changing Engine Oil and Filter
Cleaning Air Intake Screen and Engine Fins
Checking and Cleaning Air Cleaner Elements (LA105 and LA115)
Checking and Cleaning Air Cleaner Elements (LA135 and LA145)
Checking and Cleaning Air Cleaner Elements (LA125)
Checking and Cleaning Air Cleaner Elements (LA155, LA165 and LA175)
Checking and Cleaning Emission Filter (If Equipped)
Checking Spark Plug
Adjusting Carburetor
Replacing Fuel Filter

Service Transmission

Checking Transmission

Service Mower

Removing or Installing Mower Drive Belt at Engine Drive Sheave (122 cm (48 in.) and 137 cm (54 in.) Mower Deck)
Removing Mower Deck
Installing Mower Deck
Replacing Mower Drive Belt (107 cm (42 in.) Mower Deck)
Replacing Mower Drive Belt (122 cm (48 in.) and 137 cm (54 in.) Mower Decks)
Adjusting Mower Belt Tension (107 cm (42 in.) Mower Deck)
Adjusting Spindle Brakes (107 cm (42 in.) Mower Deck)
Checking for Bent Mower Blades
Servicing Mower Blades
Sharpening Blades
Balancing Blades

Service Electrical

Service the Battery Safely
Removing and Installing the Battery
Cleaning Battery and Terminals
Using Booster Battery
Replacing Headlight Bulb
Replacing Fuse

Service Miscellaneous

Using Proper Fuel
Filling Fuel Tank
Checking Tire Pressure
Removing and Installing Hood
Cleaning Plastic Surfaces
Cleaning and Repairing Metal Surfaces
Removing and Installing Front Wheel Assembly
Removing and Installing Rear Wheel Assembly


Using Troubleshooting Chart


Storing Safety
Preparing Machine for Storage
Preparing Fuel and Engine For Storage
Removing Machine From Storage


Gear Model LA105
Automatic Model LA115
Automatic Model LA125
Automatic Models LA135 and LA145
Automatic Model LA155
Automatic Models LA165 and LA175
Electrical System
Fuel System (All Models)
Recommended Lubricants (All Models)
Mower Deck - 107 cm (42 in.)
Mower Deck - 122 cm (48 in.)
Mower Deck - 137 cm (54 in.)


Product Warranty
California and U.S. EPA Emissions Control System Warranty Statement (Small Off-Road Gas Engines)
Tire Warranty
Limited Battery Warranty

Getting Quality Service

Service Literature
Part Numbers
John Deere Quality Continues with Quality Service

Service Record

Record Service Dates