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Kubota B1620 - User Manual

Kubota B1620
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B1620·B1820MODELS
OPERATOR'S MANUAL
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©
KUBOTA Corporation 2009
READ AND SAVE THIS MANUAL
PRINTED IN JAPAN
English (Europe)
Code No. 6C392-9210-4

Table of Contents

Other manuals for Kubota B1620

Preview: Workshop Manual
Workshop Manual343 pages
Preview: Assembly Instructions
Assembly Instructions19 pages

Questions and Answers

  • C
    Christian PonceAug 21, 2025
    How to prevent Kubota B1620 Tractor engine from overheating?
    • L
      Leah WhiteheadAug 21, 2025
      To prevent your Kubota Tractor engine from overheating, consider these points. Avoid overloading the engine by shifting to a lower gear or reducing the load. Maintain the correct coolant level and inspect the radiator and hoses for leaks. Ensure the fan belt is properly adjusted or replaced if defective. Keep the radiator core and grille screens free from debris. Also, flush the cooling system to prevent corrosion.
  • S
    Sandra FuentesAug 23, 2025
    Why is my Kubota Tractor engine overheating?
    • B
      Benjamin SalazarAug 25, 2025
      Several factors can cause your Kubota Tractor's engine to overheat. Insufficient engine oil or coolant, a broken or elongated fan belt, or a radiator clogged with dust are common causes; replenish fluids, replace the belt, or clean the radiator as needed. Corrosion inside the radiator or coolant flow route can also lead to overheating, requiring cleaning or replacement. A defective radiator cap, running the engine with an overload, a defective head gasket, incorrect injection timing, or using unsuitable fuel could also be the culprit. Reduce the load, replace the cap or head gasket, adjust the injection timing, or use the specified fuel to resolve these issues.
  • G
    gpattersonAug 26, 2025
    What to do if my Kubota Tractor emits black or dark gray exhaust gas?
    • S
      samanthawatsonAug 26, 2025
      If your Kubota Tractor is emitting black or dark gray exhaust gas, it could be due to several reasons. You might be overloading the tractor, so try reducing the load. Using low-grade fuel, a clogged fuel filter, or a clogged air cleaner can also cause this issue; switch to the specified fuel and clean or replace the filters. Another potential cause is deficient nozzle injection, in which case you should repair or replace the nozzle.
  • L
    Lindsay SchmidtAug 27, 2025
    What to do if Kubota B1620 Tractor exhaust fumes are colored?
    • M
      Matthew RussellAug 28, 2025
      Colored exhaust fumes from your Kubota Tractor indicate potential issues. Black fumes suggest poor fuel quality, too much oil, or a clogged air cleaner; in this case, change the fuel and fuel filter, check the oil level, and clean or replace the air filter. Blue-white fumes may mean fuel is dumped inside the exhaust muffler, there's an injection nozzle problem, or the fuel quality is poor; try heating the muffler by applying a load to the engine, check the injection nozzle, and change the fuel and fuel filter.
  • P
    Patrick ObrienAug 30, 2025
    What to do if Kubota B1620 has insufficient engine power?
    • R
      Raymond VincentAug 30, 2025
      If your Kubota Tractor has insufficient engine power, check the fuel system for insufficient or dirty fuel. Also, a clogged air cleaner can cause this issue, so clean or replace the element.
  • E
    Elizabeth DavisSep 1, 2025
    What to do if the starter of my Kubota Tractor does not run?
    • C
      Cody AllenSep 1, 2025
      If the starter on your Kubota Tractor isn't running, the battery may be discharged, so charge it. The starter itself might be malfunctioning, requiring repair or replacement. Also, check for disconnected wiring and connect it.
  • C
    calvin65Sep 3, 2025
    Why does my Kubota Tractor have deficient output?
    • A
      Anthony MasseySep 3, 2025
      A deficient output in your Kubota Tractor may be caused by several factors. Incorrect injection timing, seizing engine parts, a malfunctioning injection pump, or deficient nozzle injection can all contribute to this problem; adjust the timing, or repair or replace the affected components. A compression leak could also be the cause; check the compression pressure and repair if necessary.
  • G
    Geoffrey HessSep 5, 2025
    What causes white or blue exhaust gas from my Kubota B1620?
    • P
      Patricia ClarkSep 5, 2025
      White or blue exhaust gas from your Kubota Tractor can be caused by excessive engine oil; reduce it to the specified level. Worn or stuck piston rings and cylinders, or incorrect injection timing may also be the reason; repair or replace the components, or adjust the timing.
  • M
    Madison ScottSep 7, 2025
    Why is the oil pressure low in my Kubota Tractor?
    • J
      jacquelineharrisonSep 7, 2025
      Low oil pressure in your Kubota Tractor can arise from several issues. Insufficient engine oil is a common cause; replenish it. A clogged oil strainer, a relief valve stuck with dirt, a weakened or broken relief valve spring, excessive oil clearance in crankshaft or crankpin bearings, excessive oil clearance of rocker arm, a clogged oil passage, using a different type of oil, or a defective oil pump can also be responsible. Clean or replace the affected parts, use the specified oil type, or replace the oil pump as needed.
  • J
    John JohnsonSep 10, 2025
    What causes excessive lubricant oil consumption in my Kubota Tractor?
    • C
      Carl BarrSep 10, 2025
      Excessive lubricant oil consumption in your Kubota Tractor can be attributed to several factors. If the piston ring's gap is facing the same direction, shift the ring gap direction. Other causes include a worn or stuck oil ring, a worn piston ring groove, worn valve stem and valve guide, worn crankshaft and crank pin bearings, or oil leaking due to defective seals or packing. Depending on the cause, you may need to replace the piston, rings, valve components, bearings, or seals.

Summary

SPECIFICATIONS

SPECIFICATION TABLE

Comprehensive table of technical specifications for different models.

TRAVELLING SPEEDS

Details on tractor traveling speeds based on gears and conditions.

FOREWORD

IMPLEMENT LIMITATIONS

SAFE OPERATION

BEFORE OPERATING THE TRACTOR

Essential checks and precautions before starting tractor operation.

CAB, ROPS

Information on operator protection structures like CAB and ROPS.

OPERATING THE TRACTOR

Guidelines for operating the tractor safely.

Safety for children

Precautions to ensure children's safety around the tractor.

Operating on slopes

Specific safety measures and techniques for operating on slopes.

Driving the tractor on the road

Guidelines for safe road operation, including braking and turning.

PARKING THE TRACTOR

Procedures for safely parking the tractor.

OPERATING THE PTO

Instructions for operating the Power Take-Off (PTO) system safely.

USING 3-POINT HITCH

Guidelines for using the 3-point hitch with implements.

PRE-OPERATION CHECK

DAILY CHECK

Daily inspection procedures to ensure safe operation before starting.

OPERATING THE ENGINE

STARTING THE ENGINE

Step-by-step instructions for safely starting the tractor's engine.

WARMING UP

Procedures for warming up the engine and transmission fluid.

JUMP STARTING

Guidelines for safely jump-starting the tractor's battery.

OPERATING THE TRACTOR

OPERATING NEW TRACTOR

Precautions and procedures for operating a new tractor.

BOARDING AND LEAVING THE TRACTOR

Safe practices for mounting and dismounting the tractor.

OPERATING FOLDABLE ROPS (OPTION)

Instructions for folding and unfolding the Roll Over Protective Structure.

Operators Seat Adjustment

Guide to adjusting the operator's seat for comfort and safety.

Control Operation

Operation of lights, signals, horn, clutch, travel speed, and brakes.

SERVICING OF TRACTOR

Warranty

Information regarding the tractor's warranty coverage.

Scrapping the tractor and its procedure

Procedures for safely decommissioning and disposing of the tractor.

INSTRUMENT PANEL AND CONTROLS

Instrument Panel, Switches and Hand Controls

Identification and function of dashboard instruments, switches, and controls.

Foot and Hand Controls

Identification and function of various foot and hand operated controls.

Pedal Location Label

Label showing the layout and function of the tractor's pedals.

THREE-POINT HITCH & DRAWBAR

THREE-POINT HITCH

Steps for attaching implements to the 3-point hitch.

Drawbar and Front Hitch

Information and usage of drawbar and front hitch attachments.

HYDRAULIC UNIT

3-POINT HITCH CONTROL SYSTEM

How to operate the 3-point hitch control system.

AUXILIARY HYDRAULICS

Information on auxiliary hydraulic connections.

TIRES, WHEELS AND BALLAST

TIRES

Information on tire types and inflation pressure.

WHEEL ADJUSTMENT

Adjusting wheel tread for stability and tire clearance.

BALLAST

Information on adding ballast for stability and traction.

MAINTENANCE

SERVICE INTERVALS

Schedule of maintenance tasks based on operating hours.

LUBRICANTS,FUEL AND COOLANT

Recommended lubricants, fuel, and coolant specifications.

PERIODIC SERVICE

HOW TO OPEN THE HOOD

Steps for opening the tractor's hood for access.

DAILY CHECK

Daily inspection procedures to ensure safe operation before starting.

Service Procedures

Maintenance for greasing, engine start, fluid changes, filter replacements, and adjustments.

System Checks and Replacements

Fuel system bleeding, fuse replacement, and light bulb replacement.

TROUBLESHOOTING

ENGINE TROUBLESHOOTING

Common engine problems and their corrective measures.

OPTIONS

APPENDICES

MAXIMUM MASSES

Maximum permissible masses for the tractor and trailers.

Trailer Load Capacity

Specifications for trailer load capacities based on tire combinations.

Kubota B1620 Specifications

General IconGeneral
Engine TypeDiesel
Cylinders3
Fuel TypeDiesel
Hydraulic System TypeOpen center
Drive4WD
3-Point Hitch CategoryCategory I

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