Kubota 70mm Stroke Series Diesel Engines OEM Service & Repair Manual

WORKSHOP MANUAL DIESEL ENGINE MOTEUR DIESEL MANUAL D'ATELIER WERKSTATTAN LElTU NG DIESELMQTOR 70mm STROKE SERIES MOTEUR DE 70mm DE COURSE SERIENMOTOR MIT 70mm HUB Redistribution or publication of this document by any means, is strictly prohibited.

Redistribution or publication of this document by any means, is strictly prohibited.

TO THE READER This Workshop Manual has been prepared t o provide servicing personnel with information on the mechanism, service and maintenance of KUBOTA Diesel Engines 70 mm STROKE SERIES. It is divided into two parts, "Mechanism" and "Disassembling and Servicing". Mechanism Information on construction and functions are included for each engine section. This part should be understood before proceeding with troubleshooting, disassembling and servicing. 1 Disassembling and Servicing Under the heading "General" come general precautions, troubleshooting, lists of servicing specifications and periodic inspection items. For each engine section, there are If Checking and Adjustment", If Disassembllng and Assembling", and "Servicing" which cover procedures, precautions, factory specification and allowable limits. All information, illustrations and specifications contained in this manual are based on the latest production information available at the time of publication. The right is reserved t o make changes in all information at any time without notice. Due t o covering many models of this manual, illustration or picture being used have not been specified as one model. Apr. '88 @ KUBOTA Corporation 1990 INTRODUCTION Ce manuel d'atelier a et6 prepare pour permettre au personnel d'entretien de disposer d'informations sur les mecanismes, les entretiens et la maintenance des moteurs Kubota Diesel moteur de serie a 70 mm de course. I1 est divise en deux sections: "Mecanismes" et "Demontage et entretien". 1 Mecanisme Des informations sur la construction et les fonctions sont donnees pour chaque partie du moteur. Cette partie du manuel doit @tre comprise avant que I'oncommence les operations de recherche des anomalies, de demontage et d'entretien. Demontage et entretien Sous le titre "Generalites" on trouvera des precautions generales, les procedures de recherche des anomalies et les listes de caracteristiques d'entretien et items de verification pCriodique. Pour chaque partie du moteur, on trouvera les titres "Verification et reglage", " Dhontage et remontage" et "Entretien" oir sont reprises les precautions,. les caracteristiques d'usine et les limite de service. Toutes lees informations, illustrations et specifications contenues dans ce manuel sont basees sur les dernieres informations de production disponibles au moment de la publication. Nous nous reservons le droit de modifier tout 6ICment de ces infomations, ? I tout moment et sans preavis. Ce manuel couvrant de nombreux modeles, les illustrations ou photos utilisees sont donnkes a titre indicatif. Avr. '88 @ KUBOTA Corporation 1990 Redistribution or publication of this document by any means, is strictly prohibited.

FUR DEN LESER Dieses Handbuch sol1 dem Wartungspersonanl lnformationen uber die Funktion, den Betrieb und die Wartung der KUBOTA-Dieselmotoren Serienmotormit 70 mm Hub liefern. Es ist in zwei Teile, "Funktion" und "Ausbau und Wartung" aufgegliedert. H Mechanismus Fur jeden Motorabschnitt werden Informationen bezuglich Konstruktion und Funktion gegeben. Dieser Teil sollte sorgfaltig gelesen werden, bevor mit der Storungssuche, dern Ausbau und der Wartung begonnen wird. Ausbau und Wartung Der Abschnitt "allgemeines" beinhaltet allgemeine Vorkehrungen, Storungs- suchen und Listen von Wartungsdaten sowie von regelmaRig zu Oberprufenden Teilen. Fur jeden Motorabschnitt ist ein Kapitel "Prufung und Einstellung", "Aus- und Einbau" und "Wartung" vorgesehen, welches uber Verfahrensweisen, Vorkehrungen, Werkdaten und zulassige Grenzwerte AufschluR gibt. Allen in diesem Hanbuch enthaltenen Informationen, Abbildungen und technischen Merkmalen liegen die letzten, zum Zeitpunkt der Veroffentlichung verfugbaren lnformationen zugrunde. Eine Anderung aller lnformationen t u jeder Zeit und ohne Ankundigung bleibt vorbehalten, Da in diesem Handbuch mehrere Modelle beschrieben werden, wurden die jeweilig verwendeten abbildungen oder Bilder nicht fur ein einzelnes Modell prazisiert. Apr. '88 @ KUBOTA Corporation 1990 Redistribution or publication of this document by any means, is strictly prohibited.

CONTENTS SPECIFICATIONS 1 PERFORMANCE CURVES 7 DIMENSIONS 10 M. MECHANISM L ...................................... F. FEATURE M-1 [2] WATER PUMP M-15 ...................................... 1. ENGINE BODY M-3 131 THERMOSTAT M-17 [I] CYLINDER BLOCK M-3 141 RADIATOR M-17 [2] CYLINDER HEAD M-3 151 RADIATOR M-17 131 CRANK SHAFT M-5 4. INTAKWEXHAUST SYSTEM M-19 [4] PISTONAND PISTON RINGS --------------*----- M -5 M-19 [51 CONNECTING ROD M-5 [2] MUFFLER M-19 [6] CAMSHAFT M-7 5. FUEL SYSTEM M-21 171 FLYWHEEL M-7 [I] GENERAL M-2 1 [a] ROCKER ARM M -7 [2] INJECTION PUMP M-2 1 2. LUBRICATING SYSTEM M-9 . [3] INJEflION NOZZLE M-25 [I] GENERAL M-9 141 FUEL LIFT PUMP M-27. [2] OIL PUMP M-1 1 151 FUEL FILTER M-27 [31 RELIEF VALVE M-11 [6] GOVERNOR M-29 [4] OIL FILTER CARTRIDGE M-13 6. ELECTRICAL SYSTEM M-33 151 OIL PRESSURE SWITCH ' M-13 [I] GENERAL M-33 [I] GENERAL M-15 .................................. ........................................... .................................... .................................... ....................................... ....................................... [I] AIR CLEANER ................................. ............................................. ............................................ ............................................. ............................................. ........................................ ................................. .............................. ............................................... ................................... ............................................ ......................................... ...................................... .......................................... ......................... ......................... ............................................. 3. COOLING SYSTEM M-15 [2] CHARGING SYSTEM ............................. M-33 ............................................. I . S. DISASSEMBLING AND SERVIC1N.G I i G. GENERAL s-1 [I] ENGINE lDENTlFlCATlON 5-1 121 GEb!EWL PRECAUTIONS 5-3 131 TIGHTENING TORQUES 5-5 [5] SERVICING SPECIFICATIONS .................. S-16 [6] MAINTENANCE CHECK LIST .................. 5-32 [7] CHECK AND MAINTENANCE ................. 5-35 [a] SPECIALTOOLS 5-45 1. ENGINE BODY s-55 CHECKINGAND ADJUSTING 5-55 DISASSEMBLINGAND ASSEMBLING ---------*-- 5-57 [ll DRAINING WATER AND OIL .................. 5-57 [2] EXTERNAL COMPORNENTS ----*-----------*- 5-57 [3] CYLINDER HEAD AND VALVES .............. 5-57 [41 GEAR CASE 5-63 [5] PISTONAND CONNECTING ROD ............ 5-71 [6] FLYWHEEL AND CRANKSHAFT --------------- 5-75 ........................ ......................... ........................... ............................... [41 TROUBLESHOOT~NG 5-8 ..................................... ........................ ............................................. ................................................... 5-8 1 .................................... CYLINDER HEAD 5-8 1 TIMING GEAR AND CAMSHAFT ----*--------- 5-87 PISTONAND CONNECTING ROD ------------ s-9 1 CRANKSHAFT 5-93 CYLINDER LINER 5-101 ........................................ .................................. 2. LUBRICATING SYSTEM S-1 OS CHECKING S-105 DISASSEMBLINGAND ASSEMBLING .......... 5-1 05 [I] OIL STRAINER 5-1 05 [2] OIL PUMP 5-105 SERVICING 5-107 [I] OIL PUMP 5-107 3. COOLING SYSTEM s-I09 CHECKING 5-109 [I] FAN BELT 5-109 [2] RADIATOR 5-1 09 DISASSEMBLINGAND ASSEMBLING .......... 5-1 11 4. FUEL SYSTEM S-I 13 CHECKING AND ADJUSTING ------.-.----.-.--,..- 5-1 13 [I] INJECTION PUMP 5-1 13 [2] INJECTION NOZZLE 5-1 15 DISASSEMBLINGAND ASSEMBLING ---------- 5-1 17 [I] INJECTION PUMP 5-1 17 [2] INJECTION NOZZLE 5-1 17 5. ELECTRICAL SYSTEM s-119 CHECKING 5-119 [l] ALTERNATORAND REGULATOR-------- s-119 [2] STARTER 5-119 131 GLOW PLUG 5-121 DISASSEMBLINGAND ASSEMBLING ---------- 5-1 21 [I] STARTER 5-1 21 SERVJCINC 5-1 23 [I] STARTER--------------..--.--.----..-.---.-.*---..-- 5-123 ................................................. ..................................... ........................................... ................................................. ............................................ ................................................ ............................................ .......................................... ................................ ............................. ................................ ............................. ................................................. ............................................. ........................................ ............................................. ................................................ Redistribution or publication of this document by any means, is strictly prohibited.

TABLE DES MATIERES CARACTERlSTlQUES 3 COURBES DE PERFORMANCE 7 DIMENSIONS 10 M. MECANISME 1 F. GENERALITES M-1 1. CORPS DU MOTEUR M-4 ...................................... [I] BLOC-MOTEUR M-4 [2] CULASSE M-4 [3] VlLEBREQUlN M-6 [4] PISTON ETSEGMENTS M-6 [5] BIELLE M-6 [6] ARBRE A CAME5 M-8 [7] VOLANT M-8 [a] CULBUTEURS M-8 2. SYSTEME DE LUBRlFlCAllON M-9 [I] GENERALlTES M-9 [z] POMPEA HUlLE M-12 [3] SOUPAPE DE DECHARGE ..................... M-12 [4] CARTOUCHE DE FILTREA HUILE ----*----* M-14 [SI MANOCONTACT DE PRESSION D'HUILE M-14 ................................................ ........................................ ........................... ................................................... .................................... ............................................... ........................................ ........................................ ................................... ............................................... 3. SYSTEME DE REFROIDISSEMENT M-16 [I] GENERALlTES M-16 [2] POMPEA ..................................... M-16 [3] THERMOSTAT M-18 141 ~DIATEUR M-18 [5] BOUCHON DU RADlATEUR..-.- ...... - ...... M-18 4. ADMISSION ET ECHAPPEMENT M-20 [I] FlLTREAAIR M-20 [2] POT D'ECHAPPEMENT M-20 5. SYSTEME D'ALIMENTAnON M-22 [I] GENERALlTES M-22 [2] POMPED'INJECTION M-22 [3] INJEUEUR M-26 [4] POMPE D'ALIMENTATION *.--.-----.**--**-- M-28 [51 FILTRE A CARBURANT M-28 [6] REGUMTEUR M-30 6. SYSTEME ELECTRIQUE M-34 [I] GENEMLlTES M-34 ...................................... ..................................... .......................................... ........................................ ......................... ....................................... ............................ .......................................... .......................... ....................................... ....................................... [2] SYSTEME DE CHARGE .......................... M-34 I S. DEMONTAGE ET ENTRETIEN I G. GENERAUTES s-2 [l] IDENTIFICATIONDU MOTEUR -..-.-- .... ---.-.-S -2 [2] PRECAUTIONSGENERALITES .................. 5-4 [4] DEPANNAGE ......................................... s-10 [5] CARACTERISTIQUESD'ENTRETIEN .-*.---- 5-22 D'ENTRETIEN 5-33 [7] VERIFICATION ET ENTRETIEN ..**--*-----**- 5-36 [8] OUTlLS SPEClAUX S-46 1. CORPS DU MOTEUR S-56 VERIFICATION ET REGLAGE ........................ 5.56 DEMONTAGE ET MONTAGE ....................... 5-58 [l] VIDANGE D'EAU ET D'HUILE *--*.-.-.*------- 5-58 [2] COMPOSANTES EXTERNES *-----**---*.-***-* 5-58 [3] CULASSE ETSOUPAPES ......................... 5-58 [4] CARTER DE DISTRIBUTION ..................... 5-64 [SI PISTON ET B~ELLE ................................. s-72 [6] VOLANT ET VILEBREQUIN ..-.-..-.-..----..--- 5-76 ENTRETIEN .................................................. 5-82 [I] CULASSE ............................................... 5-82 [2] PIGNON DE DISTRIBUTION ETARBRE A CAMES ................................ 5-88 131 PISTON ET B~ELLE .................................. s-92 141 V~LEBREQU~N ........................................ 5-94 [3] COUPLES DE SERRAGE ............................ 5-6 [6] LISTE DESVERIFICATION ........................................ ................................. [SI CHEMISE DE CYLINDRE ....................... S-102 2. SYSTEME DE LUBRlFlCAllON S-106 VERlFlCATlON ........................................... S-106 DEMONTAGE ET MONTAGE ...................... S-106 [I] CREPlNE A HUlLE ................................ 5-106 [2] POMPEA HUlLE ................................... 5-106 ENTRETlEN ............................................... 5-108 [ 11 POMPEA HUlLE .................................. S-108 s-1 10 VERlFlCATlON ........................................... S-110 [l] COURROIE DE VENTILATEUR --------*.-.-- s-110 [2] MDlATEUR ......................................... S-1 10 DEMONTAGE ET MONTAGE ..................... 5-112 4. SYSTEME D'ALIMENTATION S-113 3. SYSTEME DE REFROIDISSEMENT VERIFICATION ET REGLAGE ...................... S-113 [I] POMPE D'INJEOION .......................... 5-113 [2] INJEOEUR .......................................... S-1 16 DEMONTAGE ET MONTAGE ..................... 5-118 [I] POMPE ~'l~j~~l-10~ .......................... s-118 5. SYSTEME ELECTRIQUE s-I 20 [l 1 ALTERNATEUR ET REGULATEUR .-----..* 5-120 [2] INJECTEUR .......................................... 5-1 18 VERIFICATION ........................................... S-120 [2] DEMARREUR ....................................... 5-120 [3] BOUGIE DE PRECHAFFAGE ****.**9***.-*-*-. 5-122 DEMONTAGE ET MONTAGE ..................... 5-122 [l] DEMARREUR ....................................... $122 ENTRET~EN ................................................ s-124 111 DEMARREUR ....................................... 5-124 i Redistribution or publication of this document by any means, is strictly prohibited.

VERZEICHNIS . TECHNISCHE MERKMALE 5 LEISTUNGSKURVEN 7 ABMESSUNGEN 10 M. MECHANISMUS 1 F. ALLGEMEINES M-1 1. MOTORK~RPER M-4 .................................... [I] ZYLlNDERBLOCK M-4 [2] ZYLlNDERKOPF M-4 ..................................... ...................................... [31 KURBELWELLE M-6 [4] KOLBEN UND KOLBENRINE ................... M-6 151 PLEUELSTANGE M-6 [6] NOCKENWELLE M-8 [71 SCHWUNGRAD M-8 [8] KlPPHEBEL M-8 2. SCHMIERUNGSSYSTEM M-9 [I] ALLGEMElNES ....................................... M-9 [2] OLPUMPE M-12 [3] OBERDRUCKVENTlL ............................ M-12 [4] OLF~LTERPATRONE M-14 [5] ~~LDRUCKSCHALTER M-14 ..................................... ..................................... ...................................... ............................................ ........................................... ............................. ............................ 3. KUHLUNGSSYSTEM M-16 [I] ALLGEMElNES M-16 [2] WASSERPUMPE M-16 [31 THERMOSTAT M-18 141 KUHLER M-18 4. ANSAUG- UND AUSPUFFSYSTEM M-20 [I] LUFTFlLTER ......................................... M-20 [2] AUsPUFFTOPF ..................................... M-20 5. KRAFTSTOFFSYSTEM M-22 [I] ALLGEMlNES M-22 [2] ElNSPRlTZPUMPE M-22 141 KRAFTSTOFF FORDERPUMPE -------------- M-28 [51 KRAFTSTOFFFILTER M-28 [6] DREHmHLREGLER M-30 6. ELEKTRISCHESSYSTEM M-34 [I] ALLGEMlNES M-34 [2] LADESYSTEM M-34 ..................................... ................................... ..................................... ............................................... ................ I51 KOHLERVERSCHLUSSKAPPE rVi-i 8 ....................................... ................................ [31 EINSPR~EDUSE ................................... ~-26 .............................. ............................... ....................................... ...................................... S. AUSBAU UND WARTUNG G. ALLGEMEINES s-2 [ 11 MOTOR KENNZEICHNUNG ..................... 5-2 [2] ALLGEMEINES VORKEHRUNGEN ------------ 5-4 [31 ANZUGSDREHMOMENTE ....................... 5-7 [51 WARTUNGSDATEN ............................... 5-27 [6] WARTUNGS-CHECKLISTE ...................... 5-34 [7] OBERPRUFUNG UND WARTUNG ............ 5-36 [8] SPEZIALWERKZEUGE 5-46 I. MOTORK~RPER S-56 UBERPROFUNG UND EINSTELLUNG ............. 5-56 AUS- UND ElNBAU 5-58 [l] ABIASSENVON WASSER UND OL .......... 5-58 [3] ZYLINDERKOPF UND VENTILE --------*----. 5-58 [5] KOLBEN UND PLEUELSTANGE -----------.-* 5-72 [6] SCHWUNGRAD UND KURBELWELLE ~-----5-76 WARTU NG .................................................. 5-82 [I] ZYLlNDERKOPF 5-82 [2] STEUERUNG UND NOCKENWELLE ......... 5-88 [3] KOLBEN UND PLEUELSTANGE ---------------- 5-92 141 KURBELWELLE 5-94 151 ZYLINDERIJ,UFBUCHSE ....................... 5-1 02 [4] ST~~RUNGSSUCHE 5-1 3 ................................. ............................ ...................................... [2] #USSERE BAUTElLE .............................. 5-58 [4] GETRIEBEGEH~~USE ............................... 5-64 ..................................... ...................................... 2. SCHMIERUNGSSYSTEM 5-106 OBER~R~FUNG 5-1 06 ......................................... AUS- UN,D ElNBAU ..................................... . 5-106 [I] OLF~LTER 5-106 [2] OLPUMPE 5-106 WARTUNG 5-1 08 [I] ~~LPUMPE 5-108 3. K~HLUNGSSYSTEM s-I10 UBERPRUFUNG 5-1 10 [I] LUFTERRlEMEN 5-1 10 [2] K~HLER 5-1 10 AUS- UND ElNBAU 5-1 12 4. KRAFTSTOFFSYSTEM S-I13 OBERPRUFUNG UND EINSTELLUNG ----.--.--- 5-1 13 [I] ElNSPRlTZPUMPE 5-1 13 [2] E~NSPR~ZDOSE 5-116 AUS- UND ElNBAU 5-1 18 [I] ElNSPRlTZPUMPE 5-1 18 [2] E~NSPR~TZDOSE 5-118 5. ELEKTRISCHESSYSTEM s-I20 (~BERPROFUNG 5-120 [ 1 J WECHSELSTROM-LICHTMASCHINE UND REGLER 5-120 [2] ANMSSER 5-1 20 131 GLOHKERZE 5-1 22 AUS- UND ElNBAU 5-1 22 [I] ANLASSER ............................................ 5-1 22 WARTUNG - _.______.______ -.-_ 5-1 24 ............................................ ........................................... ................................................ ........................................... ......................................... .................................. .............................................. .................................... ............................... ................................... ..................................... ................................ ................................... ......................................... ....................................... ........................................... ........................................ ..................................... 111 ANMSER _____._-_-.--.-..--.-- ..... -... 5-1 24 Redistribution or publication of this document by any means, is strictly prohibited.

L Redistribution or publication of this document by any means, is strictly prohibited.

70 mm STROKE SERIES wSM.602010 SPECIFICATIONS Model Type Bore x Stroke mm (in.) Total Displacement cm3 Icu. in-\ Number of Cylinders SPECIFICATIONS 25008 I ZCQO-B I ZH6OO-B D650-B I D750-B 2 3 Vertical, water-cooled. 4 q c I e diesel engine 68 x 70 (2.68~ 2.76) 72 x 70 (2.83 x 2.76) 64x 70 (2.52 x2.76) 68 x 70 (2.68 x2.76) 508 (31 .OO) 570 (34 78) 675 (41.2) 762 (46.5) -- .-------, SA€ Net kW1rpm Cont. (HP1rpm) SAE Net kW1rpm Intermittent (HP1rpm) SA€ Gross kW1rpm Intermittent (HPlrpm) (PSlrpm) DIN627.1-NB kW1rpm (PSlrpm) DIN70020 kW1rpm (PS1rpm) DIN6271-NA kW/rpm 6.30000 8.213200 8.60600 8.6/3000 9.70000 (8.50000) (1113200) (1 1.50600) (1 1.513000) (13.00000) 7.46/3000 9.30200 10.4G600 9.713000 11.213000 (1 2.513200) (1 4.013600) (13.013000) (1 5.013000) (10.0/3600) 8.20000 10.4/3200 11 50600 11 213000 12.713000 (11.00000) (1 3.813200) (15.513600) (14.30000) (16.5/3000) 6.250000 8.1 I3200 8.50600 8.513000 9.60000 (8.513000) (11.013200) (11.5G600) (1 1.5i3000) (13.0/3000) 7.00000 8.80200 9.90600 9.2f3000 10.7CIOOO (9.5BOOO) (12.00200) (13.513600) (12.513000) (1 4.5/3000) 7 713000 9 60200 10 713600 10.3~-3000 11 8/3000 (10.513000) (13.013200) (1 4.50600) (14.0l3000) (16.013000) Maximum Bare Speed rpm Minimum Idling Speed rpm Maximum torque N-mlrpm kg f m1r pm it-l bslr pm Combustion Chamber Fuel Injection Pump Govsrnor Dirsction of Rotation I- 3200 I 3500 I 3780 I 3200 800 28.011800 32 912000 33 212000 36.5/1800 42.211800 2.8611800 3.3612000 3.39/2000 3.7211800 4.30/1800 20.7211 800 24.2912000 24.5212000 26.9411 800 31.0811 800 Spherical rype Bosch K Type Mini Pump Centrifugal Ball Mechanical Governor Counter-clockwise (viewed from flvwheel side) injection Nozzle Injection Timing lniection Pressure Firing Order PressurizedRadiator, Forced Circulation with Water Pump (Not included in the basic engine) Cooling System Bosch lhrottle Type 25’(0.44 rad.) before T.D.C. 140 kaf/cm2(13.73 MPa. 1991 osi) 1-2 I 1-2-3 Compression Ratio Lubricating System Oil Pressure Indicating Lubricating Filter 1 22: 1 Forced Lubricationby Pump Electrical Type Switch Full Flow Paper Filter (Cartridge lype) Starting System Starting Support Device Dynamo for Charging Fuel Lubricating Oil Lubricating Oil Capacity P Weight (Dry) . kg (Ibs) ADDliCatiOn V, kW Battery Electric Starting with Starter Electric Starting with Starter (12,0.8 ) (12.0.8) By Glow Plug in Combustion Chamber 12 V, 150 W Diesel Fuel No.2-D (ASTM D975) MIL-L-46152, MlL-L-2104C, quality better than CC class (API) 12V, 45AH, equivalent I 12V. 65AH. equivalent 2.55 (2.70 US. qts., 2.24 Imp.qts.) 4.6 (4.86 US. qts ,4 05 Imp qtr 1 69.7 (1 53.7) I 70.5 (155.5) 82.6 (182.1) I 82.1 (181.0) General Power Source Redistribution or publication of this document by any means, is strictly prohibited.

SPECIFICATIONS 70 mm STROKE SERIES WSM, 00621 D850-8 DH850-B I D950-B 3 Vi 100-8 VH 1 100-8 I v1200-8 4 72 x 70 (2.83 x 2.76) 855 (52.2) 1 1.613000 13.1 13600 (15.513000) (17.513600) 13.40000 15.70600 (18.013000) (2 1.0/3600) 14 90000 17 213600 (19.8/3000) (23.013600) 11 413000 12.913600 . (15.5/3000) (17.503600) 12.5/3000 14.70600 (17.00000) (20.00600) 14.00000 16.213600 (19.013000) (22.00600) 3200 3780 I Bosch K Type Mini Pump I 75 x 70 (2.95 x 2.76) 72 x 70 (2.83 x 2.76) 927 (56.6) 1 140 (69.56) 1237 (75.49) 17.1513600 16.79/3000 12.713000 15.2913000 (17.013000) (20.513000) (2313600) (22.513000) 14.5/3000 17.9013000 20.8913600 19.4013000 (1 9.513000) (24.013000) (28.013600) (26.013000) 16.013000 19.770000 22.9813600 21.26DOOO (21.513000) (26.513000) (30.813600) (28.513000) 12.50000 15.080000 16.920600 16.55/3000 (22.50000) (17.013000) (20.513000) (23.013600) 13.60000 16.550000 19 8613600 18 02/3000 (1 8.50000) (22.5/3000) (27.013600) (24.513000) 18.390000 21.700600 19.860000 15 10000 (20.50000) (25.0/3000) (29.5/3600) (27.013000) 3200 3200 3780 3200 75 x 70 (2.95 x 2.76) Centrifugal Ball Mechanical Governor Counter-clockwise(viewed from flywheel side) 50.6/1800 5.1 611800 37.3011 800 I Bosch Throttle Type 25" (0.44 rad.) before T.D.C. I 49.9/2400 55.611800 68.45/1800 66.4912400 74.0411 800 5.09/2400 5.6711800 6.9811800 6.78/2400 7.5511800 36.7812400 41.0011 800 50.4511 800 49.0412400 54.6511 800 1-2-3 I 1-3-4-2 140 kgf/crnz (13.73 MPa, 1991 psi) 22: 1 Forced Lubrication by Pump Electrical Type Switch Full Flow Paper Filter (Cartridge Type) Pressurized Radiator, ForcedCirculation with Water Pump (Not included in the basic engine) ElectrtcStarting with Starter I Electric Starting with Starter (12.0.8) (12,l.O) I By Glow Plug in Combustion Chamber 12 V. 65 AH. eauivalent 12 V. 80 AH. eauivalent 1 12V, 150W Diesel Fuel No.2-D (ASTM D975) MIL-L-46152, MlL-L-2104C, quality better than CC class (API) 4.6 (4.86 U.S. qts., 4.05 Imp. qts.) 3.7 (3.91 U.S.qts., 4.6 (4.86 USqts., 5.7 (6.0 U.S. qts.,5.02 Imp. qts.) 3.26 Imp.qts.) 4.05 Imp. qts.) 82.6 (182.1) I 83.1 (183.2) I 103.3 (227.8) I 104 (229.3) General Power Source 2 Redistribution or publication of this document by any means, is strictly prohibited.

Kubota 70mm Stroke Series Diesel Engines OEM Service & Repair Manual

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