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Kubota STV40 - User Manual

Kubota STV40
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KUBOTACorporation
U.S.A. :KUBOTATRACTORCORPORATION
3401
DelAmoBlvd.,Torrance,CA
90503
,U.S.A.
Telephone:(
310
)
370
-
3370
Canada :KUBOTACANADALTD.
5900
14
thAvenue,Markham,Ontario,L
3
S
4
K
4
,Canada
Telephone:(
905
)
294
-
7477
France :KUBOTAEUROPES.A.S
19
-
25
,RueJulesVercruysse,Z.I.BP
88
,
95101
ArenteuilCedex,France
Telephone:(
33
)
1
-
3426
-
3434
Italy :KUBOTAEUROPES.A.SItalyBranch
ViaGrandi,
29
20068
PeschieraBorrome(MI)Italy
Telephone:(
39
)
02
-
51650377
Germany :KUBOTA(DEUTSCHLAND)GmbH
SenefelderStr.
3
-
5
63110
Rodau/Nieder-Roden,Germany
Telephone:(
49
)
6106
-
873
-
0
U.K. :KUBOTA(U.K.)LTD.
DormerRoad,Thame,Oxfordshire,OX
9
3
UN,U.K.
Telephone:(
44
)
1844
-
214500
Spain :KUBOTAESPAÑAS.A.
AvenidaRecombaNo.
5
,PolinoIndustriallaLauna,Leanes,
28914
(Madrid)Spain
Telephone:(
34
)
91
-
508
-
6442
Australia :KUBOTATRACTORAUSTRALIAPTYLTD.
25
-
29
PermasWay,Truanina,VIC
3029
,Australia
Telephone:(
61
)-
3
-
9394
-
4400
Malaysia :SIMEKUBOTASDN.BHD.
No.
3
JalanSepadu
25
/
123
TamanPerindustrianAxis,
Seksyen
25
,
40400
ShahAlam,SelanorDarulEhsanMalaysia
Telephone:(
60
)
3
-
736
-
1388
Philippines :KUBOTAPHILIPPINES,INC.
155
PanayAvenue,SouthTrianleHomes,
1103
QuezonCity,Philippines
Telephone:(
63
)
2
-
9201071
Taiwan :SHINTAIWANAGRICULTURALMACHINERYCO.,LTD.
16
,Fenpin
2
ndRd,TaliaoShianKaohsiun
83107
,TaiwanR.O.C.
Telephone:(
886
)
7
-
702
-
2333
Indonesia :P.T.KUBOTAINDONESIA
JalanSetyabudi
279
,Semaran,Indonesia
Telephone:(
62
)-
24
-
7472849
Thailand :SIAMKUBOTACORPORATIONCO.,LTD.
101
/
19
-
24
Moo
20
,NavanakornIndustrialEstate,TambonKhlonnuen,AmphurKhlonluan,
Pathumthani
12120
,THAILAND
Telephone:(
66
)
2
-
909
-
0300
Korea :KUBOTAKOREACO.,LTD.
106
-
24
Monsan-Ri,Mankyun-Up,Kimje-City,Chonrapuk-Do,KOREA
Telephone:(
82
)-
63
-
544
-
5822
India :KUBOTAAGRICULTURALMACHINERYINDIAPVT.LTD.
Reus,Level
2
Altius,OlympiaTechPark,No.
1
SIDCOIndustrialEstate,Guindy,Chennai
600032
,TN,India
Telephone:(
91
)-
44
-
4299
-
4237
Vietnam :KUBOTAVIETNAMCO.,LTD.
LotB-
3
A
2
-CN,MyPhuoc
3
IndustrialPark,BenCatDistrict,BinhDuonProvince,Vietnam
Telephone:(
84
)-
650
-
3577
-
507
WesternDivision :
1175
S.GuildAvc.,Lodi,CA
95240
Telephone :(
209
)
334
-
9910
CentralDivision :
14855
FAABlvd.,FortWorth,TX
76155
Telephone :(
817
)
571
-
0900
NorthernDivision :
6300
atOneKubotaWay,Groveport,OH
43125
Telephone :(
614
)
835
-
1100
SoutheastDivision :
1025
NorthbrookParkway,Suwanee,GA
30024
Telephone :(
770
)
995
-
8855

Table of Contents

Questions and Answers

  • M
    mary56Aug 10, 2025
    Why is my Kubota Tractor engine difficult to start?
    • M
      Matthew ParkAug 10, 2025
      There are several reasons why your Kubota Tractor engine might be hard to start. It could be due to no fuel flow, so check the fuel tank and fuel filter, replacing the filter if needed. Another cause could be air or water in the fuel system; ensure the fuel line coupler bolt and nut are tight. In cold weather, the oil viscosity may increase, slowing the engine revolution, so consider using oils of different viscosities or an engine block heater. Lastly, a weak battery can prevent the engine from turning over quickly enough. Clean the battery cables and terminals, charge the battery, and in cold weather, remove the battery, charge it, and store it indoors, installing it only when the tractor will be used.
  • S
    Sarah DyerAug 17, 2025
    What to do if Kubota STV40 engine overheats?
    • J
      joshuarogersAug 17, 2025
      If your Kubota Tractor engine overheats, the following issues could be the cause: the engine is overloaded, so shift to a lower gear or reduce the load; the coolant level is low, so fill the cooling system to the correct level and inspect the radiator and hoses for leaks; the fan belt is loose or defective, so adjust or replace it; the radiator core or grille screens are dirty, so remove any trash; or the coolant flow route is corroded, so flush the cooling system.
  • Q
    qconradAug 25, 2025
    Why are exhaust fumes colored on my Kubota STV40?
    • D
      David GarciaAug 25, 2025
      Colored exhaust fumes from your Kubota Tractor can indicate different issues. Black fumes suggest changing the fuel and fuel filter, checking the oil level, and cleaning or replacing the air filter element. Blue-white fumes suggest heating the muffler by applying load to the engine, checking the injection nozzle, and changing the fuel and fuel filter.
  • V
    Victor BellSep 1, 2025
    Why does my Kubota STV40 Tractor have insufficient engine power?
    • B
      Brian HoustonSep 1, 2025
      Insufficient engine power in your Kubota Tractor could stem from insufficient or dirty fuel, so check the fuel system. Also, a clogged air cleaner could be the culprit, so clean or replace the element.

Summary

Safe Operation

Before Operating the Tractor

Essential checks and precautions before starting tractor operation.

Operating the Tractor

Guidelines for safe tractor operation, including general use and specific conditions.

Operating the Tractor

Operating a New Tractor

Precautions and procedures for breaking in a new tractor for optimal life.

Starting Procedures

Steps for starting the tractor, including seat and steering adjustments.

Stopping the Tractor

Procedures for safely stopping the tractor.

Maintenance and Service

Periodic Service Checks

Detailed procedures for regular maintenance checks and tasks.

Storage and Troubleshooting

Troubleshooting Engine Issues

Common engine problems and their corrective measures.

Kubota STV40 Specifications

General IconGeneral
Engine TypeDiesel
Engine Power40 hp
Drive4WD
Hydraulic System TypeOpen Center
3-Point Hitch CategoryCategory I
TransmissionHydrostatic
Number of Gears3-range hydrostatic

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