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Bobcat 3400 Utility Vehicle Service Manual (SN B3FN11001-B3FN99999)

Format: PDF (Printable Document)

File Language: English

File Pages: 519

File Size: 15.41 MB (Speed Download Link)

Brand: Bobcat

Model: 3400 Utility Vehicle

Book No: 7255691

Serial No: SN B3FN11001-B3FN99999

Type of Document: Service Manual

Categories: ,

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Bobcat 3400 Utility Vehicle Service Manual (SN B3FN11001-B3FN99999)

The Bobcat 3400 is the farm and ranch runaround rig, hauling feed, fencing, tools, and dragging small trailers where a pickup sinks or won't fit. The service manual is what you grab when the machine stops earning its keep: no-start, weak drive, electrical gremlins, or you're halfway through a teardown and need specs and sequences. Around my place, this is the book that keeps a weekend repair from turning into a three-week parts-throwing guess.

What this manual helps you do

  • Diagnose no-start, hard-start, or low-power issues on the small diesel or gas engine and fuel system
  • Trace and troubleshoot charging, starting, and lighting problems using wiring diagrams and test procedures
  • Check and repair drive system issues like poor pulling power, odd noises, or vibration in the transaxle and driveline
  • Follow step-by-step removal and reinstallation of major components, from steering parts to suspension and brake assemblies
  • Adjust and verify linkages, cables, and controls after repairs so the machine drives, shifts, and stops the way it should

Who this is for

This manual is for an owner-operator, farm shop, small contractor, or rental fleet that wants to actually fix a Bobcat 3400, not just run it. If you only need basic controls, fluid types, and safety info, you want the operator's handbook instead, not this service manual.

FAQ

Q: Is this a searchable PDF, and can I read the wiring diagrams clearly?

A: Yes, it's a PDF you can search by keyword, and the wiring diagrams are made to zoom in on a laptop or tablet without turning to fuzz.

Q: How do I know if it fits my exact 3400?

A: If your serial number falls between B3FN11001 and B3FN99999, this is the correct manual for your machine.

Q: Is this the right document if I'm doing my own repairs?

A: Yes, this is the workshop-level service manual, meant for real teardown and diagnostics, not just routine checks.

Bottom line: If your 3400's serial number is in that B3FN11001-B3FN99999 range and you plan to wrench on it yourself, this is the manual you want. If not, skip it.

📘 Show Index

Table of Contents:

  • MAINTENANCE SAFETY
  • CONTENTS
  • FOREWORD
    • FOREWORD
    • SAFETY INSTRUCTIONS
    • FIRE PREVENTION
      • Maintenance
      • Operation
      • Electrical
      • Fueling
      • Starting
      • Spark Arrester Exhaust System
      • Welding And Grinding
      • Fire Extinguishers
    • SERIAL NUMBER LOCATIONS
      • Utility Vehicle Serial Number
      • Engine Serial Number
    • DELIVERY REPORT
    • UTILITY VEHICLE IDENTIFICATION (3400)
    • UTILITY VEHICLE IDENTIFICATION (3400XL)
  • SAFETY & MAINTENANCE
    • LIFTING AND BLOCKING THE UTILITY VEHICLE
      • Procedure
    • ROLLOVER PROTECTIVE STRUCTURE (ROPS)
      • Description
    • TRANSPORTING THE UTILITY VEHICLE ON A TRAILER
      • Loading And Unloading
      • Fastening
    • TOWING THE UTILITY VEHICLE
      • Procedure
    • SERVICE SCHEDULE
      • Maintenance Intervals
    • AIR CLEANER SERVICE
      • Pre-Filter Element
      • Replacing Filter Element
    • ENGINE COOLING SYSTEM
      • Checking Level
      • Cleaning
      • Removing And Replacing Coolant
    • FUEL SYSTEM
      • Fuel Specifications
      • Filling The Fuel Tank
      • Filling A Portable Fuel Container
    • ENGINE LUBRICATION SYSTEM
      • Checking And Adding Engine Oil
      • Engine Oil
      • Removing And Replacing Oil And Filter
    • CONTINUOUS VARIABLE TRANSMISSION (CVT)
      • CVT Drying
      • CVT Filter
    • GEARCASE
      • Checking Transmission Fluid
      • Transmission Fluid
      • Adding Transmission Fluid
      • Removing And Replacing Transmission Fluid
      • Checking Front Gearcase Fluid
      • Front Gearcase Fluid
      • Adding Front Gearcase Fluid
      • Removing And Replacing Front Gearcase Fluid
    • TIRE MAINTENANCE
      • Tires
      • Tire Tread Depth
      • Axle And Wheel Nut Torque
      • Wheel Removal And Installation
      • Mounting
      • Tire Pressure
    • SPARK ARRESTER MUFFLER
      • Cleaning Procedure
    • UTILITY VEHICLE STORAGE AND RETURN TO SERVICE
      • Storage
      • Return To Service
    • STOPPING THE ENGINE AND LEAVING THE UTILITY VEHICLE
      • Procedure
    • SEAT BELT
      • Inspection And Maintenance
    • LUBRICATING THE UTILITY VEHICLE
      • Lubrication Locations
  • DRIVE SYSTEM
    • BRAKE
      • General Specifications
      • Torque Specifications
      • System Service Notes
      • Noise Troubleshooting
      • System Troubleshooting
      • Hydraulic Brake System Operation
      • System Parts Identification
      • Master Cylinder Removal And Installation
      • Foot Brake Pedal Removal And Installation
      • Bleeding / Fluid Removal And Installation
      • Brake Inspection
      • Brake Pad Inspection
      • Burnishing
    • BRAKE (FRONT)
      • Pad Removal
      • Pad Inspection
      • Pad Assembly / Installation
      • Caliper Removal
      • Caliper Parts Identification
      • Caliper Disassembly
      • Caliper Inspection
      • Caliper Assembly
      • Caliper Installation
      • Disc Runout
      • Disc Inspection
      • Disc Removal And Installation
    • BRAKE (REAR)
      • Caliper Removal
      • Pad Removal
      • Pad Inspection
      • Pad Installation
      • Caliper Parts Identification
      • Caliper Disassembly
      • Caliper Inspection
      • Caliper Assembly
      • Caliper Installation
      • Disc Runout
      • Disc Inspection
      • Disc Removal And Installation
    • TRANSMISSION
      • General Operation
      • System Troubleshooting
      • Shift Lever Removal And Installation
      • Shift Cable Inspecting
      • Shift Cable Adjustment
      • Shift Cable Removal And Installation
      • Removal And Installation
      • Parts Identification
      • Transmission Disassembly
      • Gear Cluster Disassembly
      • Snorkel Shaft Removal / Disassembly
      • Planetary Differential Disassembly
      • Planetary Differential Assembly
      • Snorkel Gear Backlash
      • Transmission Assembly
    • DRIVE BELT
      • Removal
      • Installation
      • Belt Inspection
      • Belt Damage
    • CONTINUOUS VARIABLE TRANSMISSION (CVT)
      • CVT System Overview
      • Drive Clutch Operation
      • Driven Clutch Operation
      • CVT Break-In (Drive Belt / Clutches)
      • Maintenance And Inspection
      • Overheating Troubleshooting
      • System Troubleshooting
      • CVT Sealing, Guard And Ducting Components Parts Identification
      • CVT (Outer) Cover Removal And Installation
      • CVT (Inner) Cover Removal And Installation
    • CONTINUOUS VARIABLE TRANSMISSION (CVT) (DRIVE CLUTCH)
      • Removal And Installation
      • Spring Specifications
      • Parts Identification
      • Disassembly
      • Assembly
    • CONTINUOUS VARIABLE TRANSMISSION (CVT) (DRIVEN CLUTCH)
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • FINAL DRIVE
      • Description
      • Bearing Carrier Removal
      • Bearing Removal And Installation
      • Bearing Carrier Installation
      • Front Drive Shaft Removal And Installation
      • Rear Drive Shaft Removal And Installation
      • Drive Shaft / CV Joint Handling
      • Outer CV Joint And Boot Removal And Installation
      • Inner Plunging Joint And Boot Removal And Installation
      • Propshaft Removal And Installation
      • Propshaft U-Joint Disassembly
      • Propshaft U-Joint Assembly
      • Front Gearcase Operation
      • Front Gearcase Removal And Installation
      • Front Gearcase Parts Identification
      • Front Gearcase Disassembly / Inspection
      • Front Gearcase Assembly
  • MAINFRAME
    • ROLL OVER PROTECTIVE STRUCTURE (ROPS)
      • Removal And Installation
    • OPERATOR SEAT
      • Seat Back Removal And Installation
      • Seat Base Removal And Installation
      • Seat Belt Removal And Installation
    • DASH
      • Front Access Cover Removal And Installation
      • Upper Dash Panel Removal And Installation
      • Lower Dash Panel Removal And Installation
      • Storage Panel Removal And Installation
    • BUMPER COVER
      • Removal And Installation
    • REAR SUSPENSION LINK AND AXLE BRACE
      • Upper Suspension Link Removal And Installation
      • Lower Suspension Link Removal And Installation
      • Axle Brace Removal And Installation
      • Rear Axle Bearing Replacement
    • STEERING COLUMN
      • Description
      • Tilt Steering Shock Removal And Installation
      • Parts Identification
      • Steering Wheel Removal And Installation
      • Steering Wheel / Upper Steering Shaft Removal And Installation
      • Steering Shaft Bearing Replacement
      • Power Steering Unit Removal
      • Power Steering Unit Installation
    • STEERING BOX
      • Removal And Installation
    • FUEL TANK
      • Removal And Installation
    • SHOCKS
      • Rear Shock Removal And Installation
      • Front Shock Removal And Installation
      • Shock Spring Removal And Installation
    • A-ARMS
      • Lower A-Arm Removal And Installation
      • Upper A-Arm Removal
      • Upper A-Arm Installation
      • Inspection
      • Ball Joint Removal And Installation
    • TIE ROD
      • Description
      • Removal And Installation
      • Toe Adjustment Procedure
    • TAILGATE
      • Removal And Installation
      • Latch Removal And Installation
    • CARGO BOX
      • Removal And Installation
    • FENDER
      • Removal And Installation (Front)
      • Removal And Installation (Rear)
      • Flare Removal And Installation
    • FRONT WINDOW
      • Removal And Installation
    • DOOR
      • Removal And Installation
    • DOOR LATCH
      • Removal And Installation
      • Adjustment
    • REAR PANEL
      • Removal And Installation
  • ELECTRICAL SYSTEM & ANALYSIS
    • ELECTRICAL SCHEMATICS
    • ELECTRICAL SYSTEM INFORMATION
      • Glossary Of Electrical Symbols
      • Troubleshooting
      • Description
      • Fuse And Relay Location
    • BATTERY
      • Removal And Installation
      • Servicing
      • Using A Booster Battery (Jump Starting)
      • Battery Terminal Blocks
    • CHARGING SYSTEM
      • Current Draw – Key OFF
      • Break Even Test
      • Stator Testing
      • Stator Removal
      • Stator Installation
      • Testing Flow Chart
    • STARTER SYSTEM
      • Testing
      • Removal And Installation
      • Parts Identification
      • Starting Testing Flow Chart
    • REGULATOR / RECTIFIER
      • Location
      • Removal And Installation
      • Testing
    • LIGHTS
      • Headlight Removal And Installation
      • Headlight Adjustment
      • Taillight / Brake Light Removal And Installation
    • ELECTRONIC CONTROL MODULE (ECU)
      • Description
      • Removal And Installation
    • IGNITION COIL
      • Description
      • Testing
      • Ignition Coil Test
      • Removal And Installation
    • ELECTRONIC FUEL INJECTION SENSORS
      • Crank Position Sensor (CPS)
      • Temp / Manifold Absolute Pressure Sensor (T-MAP)
      • Engine Coolant Temperature Sensor (ECT)
      • Pedal Position Sensor (PPS)
    • SWITCH (HEADLIGHT)
      • Location
      • Removal And Installation
      • Testing
    • SWITCH (BRAKE LIGHT)
      • Location
      • Removal And Installation
      • Testing
    • SWITCH (AWD / 2WD / TURF)
      • Location
      • Removal And Installation
      • Testing
    • SWITCH (KEY)
      • Location
      • Removal And Installation
      • Ignition Key Switch Testing
    • SWITCH (GEAR SELECTOR)
      • Location
      • Removal And Installation
      • Testing
    • TEMPERATURE SENSOR
      • Description
      • Testing
      • Removal And Installation
    • DIFFERENTIAL SOLENOID
      • Description
      • Removal And Installation
    • DIFFERENTIAL SOLENOID (REAR RELAY)
      • Description
      • Removal And Installation
    • BACK-UP ALARM SYSTEM
      • Description
      • Inspection
      • Removal And Installation
    • ELECTRONIC THROTTLE CONTROL (ETC)
      • Description
      • Testing
      • Removal And Installation
    • INSTRUMENT CLUSTER
      • Information Display
      • Pinouts
      • Information Display Area
      • Diagnostic Trouble Codes
      • Removal And Installation
    • FUEL SENDER
      • Testing
    • DIAGNOSTIC TESTING
      • Digital Wrench™ Diagnostic Software
      • Digital Wrench™ Diagnostic Connector
      • Digital Wrench™ SmartLink Module Kit – MEL1721
      • Serial Number Location
      • Version And Update ID
      • Updates
      • Digital Wrench™ Feature Map
      • Engine Controller Reprograming (Reflash)
    • ELECTRONIC POWER STEERING (EPS)
      • EPS Operation
      • Power Steering 30A Fuse
      • System Diagnosing
      • EPS Troubleshooting (Power Steering Non-Functional with MIL ON)
      • EPS Troubleshooting (Power Steering Non-Functional with MIL OFF)
      • EPS Troubleshooting (Using Digital Wrench™)
  • ENGINE SERVICE
    • ENGINE INFORMATION
      • Description
      • Specifications
      • Torque Values
      • Troubleshooting
      • Accessible Engine Components
      • Engine Removal And Installation
      • Engine Installation Notes
      • Engine Mount Replacement
      • Compression – Checking
    • THROTTLE SYSTEM
      • Description
      • Testing
      • Removal And Installation
    • MUFFLER
      • Removal And Installation
    • AIR CLEANER
      • Housing Removal And Installation
    • ENGINE COOLING SYSTEM
      • Cooling System Pressure Test
      • Radiator Cap Pressure Test
      • System Bleeding
      • Radiator Cleaning
      • Radiator Removal And Installation
      • Cooling Fan Removal And Installation
      • Thermostat Removal And Installation
      • Water Pump Cover And Impeller Service
      • Water Pump Mechanical Seal / Oil Seal Removal
      • Water Pump Mechanical Seal / Oil Seal Installation
    • LUBRICATION SYSTEM
      • Engine Oil Pressure – Testing
    • FUEL SYSTEM
      • Fuel System Operation
      • System Trouble Shooting
      • Relieving Fuel Pressure
      • Initial Priming / Starting Procedure
      • Fuel Line (Quick Connect) Removal And Installation
      • Fuel Pump Test
      • Fuel Pressure Regulator Description
      • Fuel Pressure Regulator Test
      • Fuel Pressure Regulator Replacement
      • Fuel Pump Removal And Installation
      • Fuel Injector Description
      • Fuel Injector Troubleshooting
      • Fuel Injector Test
      • Fuel Injector Removal And Installation
    • FUEL SYSTEMS DIAGNOSTICS
      • Instrument Cluster Trouble Code Display
    • ENGINE DISASSEMBLY / INSPECTION
      • Setting Top-Dead-Center (TDC)
      • Valve Cover Removal
      • Camshaft / Carrier Removal
      • Camshaft Sprocket Inspection
      • Camshaft Inspection
      • Exhaust Camshaft Decompression Mechanism
      • Cam Chain And Guide Service
      • Cylinder Head Removal
      • Cylinder Head Disassembly
      • Cylinder Head Inspection
      • Cylinder Head Warp Inspection
      • Valve Inspection
      • Combustion Chamber Cleaning
      • Valve Seat Reconditioning
      • Cylinder Removal
      • Cylinder Inspection
      • Piston Removal
      • Piston-To-Cylinder Clearance
      • Piston / Rod Inspection
      • Piston Ring Installed Gap
      • Honing to Oversize
      • Crankcase Disassembly
      • Starter One-Way Clutch Removal / Inspection
      • Stator Removal
      • Oil Pump Removal
      • Oil Pump Assembly
      • Crankcase Breather Service
      • Crankcase Separation
      • Balance Shaft Removal / Inspection
      • Crankshaft Removal
      • Crankshaft Inspection
      • PTO Side Crankcase Bearing Service
      • MAG Side Crankcase Bearing Service
      • Oil Pickup Assembly Inspection
      • Oil Pressure Regulator (Bypass) Valve Inspection
      • Crankcase Inspection
    • ENGINE ASSEMBLY
      • Crankcase Assembly – PTO Side
      • Balance Shaft Installation / Timing
      • Final Crankcase Assembly
      • Piston Ring Installation
      • Piston / Connecting Rod Assembly
      • Cylinder Installation
      • Cylinder Head Assembly
      • Valve Sealing Test
      • Cylinder Head Installation
      • Valve Clearance Check / Adjustment
      • Intake Valve Lash – Tappet Selection Matrix
      • Exhaust Valve Lash – Tappet Selection Matrix
      • Camshaft Installation / Timing
      • Valve Cover Installation
      • Starter One-Way Clutch Installation
      • Flywheel Installation
      • Stator And Stator Cover Installation
  • SPECIFICATIONS
    • 3400 UTILITY VEHICLE SPECIFICATIONS
      • Dimensions (B3FL16999 & Below)
      • Dimensions (B3FL17001 & Above)
      • (3400XL) Dimensions (B3FN16999 & Below)
      • (3400XL) Dimensions (B3FN17001 & Above)
      • Performance
      • Controls
      • Engine
      • Electrical
      • Drive System
      • Fluid And Capacities
      • Tires
    • TECHNICAL SERVICE GUIDE SPECIFICATIONS
      • Engine
      • Engine Torques
      • Cooling System
    • TORQUE SPECIFICATIONS FOR BOLTS
      • Torque For General SAE Bolts
      • Torque For General Metric Bolts
    • CONVERSIONS
      • Decimal And Millimeter Equivalent Chart
      • U.S. To Metric Conversion Chart
    • SERVICE TOOLS REQUIRED
      • Hydraulic Tools
      • Transmission / Clutch / Drive Tools
      • Engine Tools
      • HVAC Tools
  • ALPHABETICAL INDEX

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