3025D, 3035D and 3043D Tractors, Operator’s
Manual (North American Edition)
Copyright 2021 © Deere & Company. THIS DATA IS THE PROPERTY OF DEERE & COMPANY. ALL USE AND/OR REPRODUCTION NOT SPECIFICALLY AUTHORIZED BY DEERE & COMPANY IS PROHIBITED.
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.
Foreword
Using this Manual
Section 05 - Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prepare for Emergencies
Wear Protective Clothing
Protect Against Noise
Handle Fuel Safely—Avoid Fires
Handle Starting Fluid Safely
Fire Prevention
In Case of Fire
Avoid Static Electricity Risk When Refueling
Keep ROPS Installed Properly
Use Foldable ROPS and Seat Belt Properly
Stay Clear of Rotating Drivelines
Use Steps and Handholds Correctly
Read Operator’s Manuals for ISOBUS Controllers
Use Seat Belt Properly
Operating the Tractor Safely
Avoid Backover Accidents
Limited Use in Forestry Operation
Operating the Loader Tractor Safely
Keep Riders Off Machine
Instructional Seat
Use Safety Lights and Devices
Use a Safety Chain
Transport Towed Equipment at Safe Speeds
Use Caution on Slopes, Uneven Terrain, and Rough Ground
Freeing a Mired Machine
Avoid Contact with Agricultural Chemicals
Handle Agricultural Chemicals Safely
Handling Batteries Safely
Avoid Heating Near Pressurized Fluid Lines
Remove Paint Before Welding or Heating
Handle Electronic Components and Brackets Safely
Practice Safe Maintenance
Avoid Hot Exhaust
Clean Exhaust Filter Safely
Work In Ventilated Area
Support Machine Properly
Prevent Machine Runaway
Park Machine Safely
Transport Tractor Safely
Service Cooling System Safely
Service Accumulator Systems Safely
Service Tires Safely
Service Front-Wheel Drive Tractor Safely
Tightening Wheel Retaining Bolts/Nuts
Avoid High-Pressure Fluids
Do Not Open High-Pressure Fuel System
Store Attachments Safely
Decommissioning — Proper Recycling and Disposal of Fluids and
Components
Section 10 - Safety Signs
ROPS—Rear Implements
Warning Decal — ROPS
PTO Shield
Warning Decal — Avoid Crushing
Caution Decal — Safety Instructions
Section 15 - Controls and Instruments
Tractor Controls
Instrument Control Panel
Section 20 - Lights
Light Switch Positions
Use Headlights
Use Tail Lights
Use Turn Signals
Use Hazard/Warning Lights
Use Rear Work Lamp
Service Advisor Connector
Fuse and Relay Size and Function (For 3025D)
Fuse and Relay Size and Function (For 3035D and 3043D)
Replacing Relays and Fuses
Replacing Glow Plug Relay and Starter Engage Relay
Section 25 - Operator's Platform
Select Seat Position
Operate PTO Lever
Operate Park Brake Lever
Operate Foldable ROPS
Section 35 - Break-In Period
Observe Engine Operation Closely
Section 40 - Prestarting Checks
Daily Service Before Starting Engine
Section 45 - Operate the Engine
Before Starting the Engine
Start the Engine
Check Instruments After Starting
Oil Pressure Indicator
Battery Charge Indicator
Coolant Temperature Gauge
Check Fuel Level
Change Engine Speeds
Warm up the Engine
Restart Stalled Engine
Avoid Idling the Engine
Observe Engine Work and Idle Speeds
Working with Speed/Hour Meter
Stop the Engine
Use Booster Battery
Exhaust Filter System Overview
Automatic (AUTO) Exhaust Filter Cleaning
Disabled Exhaust Filter Cleaning
Parked Exhaust Filter Cleaning
Service Exhaust Filter Cleaning
Section 50 - Operating the Tractor
Reduce Fuel Consumption
Operator Training Required
Driving on Public Roads
Operating Transmission
Shifting Transmission
Stopping Tractor
Using Differential Lock
Operating Mechanical Front-Wheel Drive (MFWD)
Using the Power Take-Off (PTO) Safely
Using Rear Power Take-Off (PTO)
Section 55 - Rockshaft and 3-Point Hitch
Match Tractor Power to Implement
3-Point Hitch Components
Rockshaft Control Levers
Set Position Control Lever Stop
Use Position Control
Adjust Rockshaft Rate-of-Drop and Implement Lock
Prepare Implement
Position Center Link
Attach Implements to 3-Point Hitch
Leveling the Hitch
Warm Transmission-Hydraulic System Oil
Section 65 - Drawbar and PTO
Observe Drawbar Load Limitations
Adjusting Drawbar Length
Stay Clear of Rotating Drivelines
Attach PTO-Driven Implement
Operate Tractor PTO
Section 70 - Ballast
Plan for Maximum Productivity
Use Proper Ballast
Select Ballast Carefully
Match Ballast to Load Work
Check for Correct Ballast
Measure Wheel Slip—Manually
Ballast Limitations
Ballast Front End for Transport
Ballast Tractor
Determine Maximum Rear Ballast
Determine Maximum Front Ballast
Use Cast Iron Weights
Use Liquid Weight in Tires
Install Rear Wheel Weights
Use Implement Codes
Section 75 - Wheels, Tires and Treads
Service Tires Safely
Check Implement-to-Tire Clearance
Check Tire Inflation Pressure
Front and Rear Tire Combinations
Selecting Front Tire Rolling Direction
Tighten Wheel/Axle Hardware Correctly
Tighten Bolts— Front Axle
Tighten Bolts—Rear Axle
Check Toe-In—MFWD Axle
Adjust Toe-In—MFWD Axle
Section 80 - Transporting
Use Safety Lights and Devices
Use a Safety Chain
Driving Tractor on Roads
Transport on Carrier
Tow Tractor
Section 85 - Fuels, Lubricants, and Coolant
Handle Fuel Safely—Avoid Fires
Handle Fluids Safely—Avoid Fires
Fuel Storage
Diesel Fuel
Diesel Engine Coolant
Operating in Warm Temperature Climates
Additional Information About Diesel Engine Coolants and John
Deere COOL-GARD™ II Coolant Extender
Testing Diesel Engine Coolant
Checking and Cleaning Fuel Filter Sediment Bowl and Replacing
Filters
Fill Fuel Tank
Lubricant Storage
Minimizing the Effect of Cold Weather on Diesel Engines
Alternative and Synthetic Lubricants
Engine Oil (For 3025D)
Engine Oil (For 3035D and 3043D)
Use Correct Transmission-Hydraulic Filter Element
Transmission and Hydraulic Oil
Multipurpose Extreme Pressure (EP) Grease
Section 90 - Service and Maintenance
Observe Service Intervals
Filter Overview
Tractor Lubrication Points
Periodic Maintenance Schedule
Lifting Points for Jacking up the Tractor
Section 92 - After Initial 10 Hours
Check Wheel Nut Torque
Section 95 - Service—Every 10 Hours
Check Engine Oil Level
Check Transmission-Hydraulic Oil Level
Check Coolant Level
Clean Grille, Screens, and Radiator
Section 100 - Service—Every 50 Hours
Clutch Pedal Free Play Adjustment
Check and Adjust Brake Pedal Free Play
Lubricate Clutch and Brake Pedal
Lubricate Hood Latch
Check MFWD Axle Oil Level
Lubricate Front Axle Grease Fitting Locations
Section 110 - Service—Every 200 Hours
Check and Adjust Cooling Fan V-Belt
Check Wheel Nut Torque
Check MFWD Axle Front Trunnion Thrust Bolt
Section 112 - Service—Every 400 Hours
Replace Fuel Filter
Change Transmission-Hydraulic Oil Filter
Replace Engine Oil and Engine Oil Filter
Drain Fuel Tank
Section 114 - Service—Every 600 Hours
Change MFWD Axle Oil
Check Tightness of Hoses & Clamps (Fuel, Air & Cooling
System)
Service Air Filter Elements
Section 115 - Service—Every Year or 1000 Hours
Check Tightness of Hoses & Clamps (Fuel, Air & Cooling
System)
Cleaning MFWD Axle Breather
Section 120 - Service—Every 1200 Hours
Change Transmission-Hydraulic Oil and Filter
Adjust Intake and Exhaust Valve Clearance
Section 130 - Service—Every Two Years or 2000 Hours
Drain Cooling System
Flush Cooling System
Refill Cooling System with New Coolant
Inspect, Clean and Test Fuel Injectors, if necessary
Section 131 - Service—Every 6000 Hours
Drain Cooling System
Flush Cooling System
Refill Cooling System with New Coolant
Section 135 - Service—As Required
Clean Radiator Screen (If Equipped)
Replace Headlight Bulb
Replace Tail/Turn Light Bulb
Replace Warning Light Bulb
Replace Work Lamp Bulb
Service Battery
Drain Water Separator
Inspect Tires
Section 140 - Service
Additional Service Information
Service Tractor Safely
Work In Ventilated Area
Using High-Pressure Washers
Using Compressed Air
Open Hood
Remove Hood
Check Neutral Start System
Check and Clean Radiator Fins
Clean Grille, Screens, and Radiator
Check Engine Idle Speeds
Air Intake System Components
Clean Air Cleaner Element
Clean Water Separator
Service Cooling System Safely
Winterize Cooling System
Engine Cooling System
Check Cooling System for Leaks
Check Hoses for Damage
Do Not Modify Fuel System
Fuel System Components (For 3025D)
Fuel System Components (For 3035D and 3043D)
Priming the Fuel System
Electrical Service Precautions
Prevent Battery Explosions
Remove and Install Battery
Service Battery
Charge Battery
Connect Starter Wiring
Connect Alternator Wiring
Adjust Headlights
Replace Headlight Bulb
Replace Tail/Turn Light Bulb
Replace Warning Light Bulb
Replace Work Lamp Bulb
Service Tires Safely
Inspect Tires
Inspect Seat Belt
Adjust PC Lever Operating Efforts
Section 145 - Troubleshooting
Engine Troubleshooting
Transmission Troubleshooting
Hydraulic System Troubleshooting
Brakes Troubleshooting
Rockshaft and 3-Point Hitch Troubleshooting
Electrical System Troubleshooting
Section 150 - Tractor Storage
Store Safety
Prepare Machine for Storage
Prepare Fuel and Engine for Storage
Remove Machine from Storage
Paint Finish Care
Section 155 - Specification
General Specifications
Ballast Recommendations
Machine Dimension
Ground Speed at Rated Engine Speed
Metric Bolt and Screw Torque Values
Unified Inch Bolt and Screw Torque Values
Applications
Section 160 - Identification Numbers
Identification Plates
Record Chassis Identification Number
Record Front Axle Serial Number
Record Engine Serial Number
Record Transmission Serial Number
ROPS Certification Label
Keep Proof of Ownership
Keep Machines Secure
Section 165 - Lubrication Maintenance Record Charts
Service—After Initial 10 Hours of Operation Service Chart
Service—Every 10 Hours of Operation Service Chart
Every 50 Hours of Operation Service Chart
Every 200 Hours of Operation Service Chart
Every 400 Hours of Operation Service Chart
Every 600 Hours of Operation Service Chart
Every Year or 1000 Hours of Operation Service Chart
Every 1200 Hours of Operation Service Chart
Every 2000 Hours of Operation Service Chart
Every 6000 Hours of Operation Service Chart
Service—As Required Chart
Section 170 - John Deere Service
John Deere Parts
The Right Tools
Well-Trained Technicians
Prompt Service