Kubota V2607-DI-E3B, V2607-DI-T-E3B, V3007-DI-T, V3307-DI-T-E3B, V3307-T, V3007-DI-T-E3B, V3007-DI-E3B, and V3307-DI-E3B Workshop Manual — 9Y311-01050

About this manual

Kubota published this Workshop Manual for the V2607-DI-E3B, V2607-DI-T-E3B, V3007-DI-T, V3307-DI-T-E3B, V3307-T, V3007-DI-T-E3B, V3007-DI-E3B, and V3307-DI-E3B engine models. It brings the documented service and technical-reference material for those named engines into a single publication.

Its documented technical value includes torque settings, wear limits, fluid and system capacities, dimensions, and emission data for service checks and specification lookup. Use the values and conditions stated in the PDF for the applicable model and procedure.

Use the Manual Contents below to check that the exact repair, inspection, or maintenance procedure you need is included in this publication.

Manual details

Manufacturer

Kubota

Manual type

Workshop Manual

Models

V2607-DI-E3B, V2607-DI-T-E3B, V3007-DI-T, V3307-DI-T-E3B, V3307-T, V3007-DI-T-E3B, V3007-DI-E3B, and V3307-DI-E3B

Document number

9Y311-01050

Publication year

2021

Language

English

Page count

250

Product highlights

Diagnostics

The manual includes sensor-testing information.

Specifications and settings

The manual includes reference information for torque specifications, wear limits, clearances, capacities, and dimensions.

Special tools

A special-tools section is included.

Maintenance

The manual includes a maintenance schedule.

Manual contents

Use these source headings to locate the task or system you need in the PDF.

• 07-E3B SERIES — p. 1
  • CONTENTS — p. 5
  • 1. SAFETY — p. 11
    • SAFETY FIRST — p. 12
      • 1. Working precautions — p. 12
      • 2. Preparing for emergencies — p. 12
      • 3. Working cautions — p. 13
      • 4. Starting machine safely — p. 13
      • 5. Preventing fires — p. 14
      • 6. Preventing acid burns — p. 14
      • 7. Avoiding high pressure fluid — p. 14
      • 8. Avoiding hot exhaust — p. 15
      • 9. Cleaning exhaust filter — p. 15
  • 2. GENERAL — p. 16
    • GENERAL WORKING PRECAUTIONS — p. 17
      • 1. Tightening bolts and nuts — p. 17
      • 2. Applying thread-locking fluid — p. 17
      • 3. Installing circlips — p. 18
      • 4. Handling liquid gasket — p. 18
      • 5. Replacing O-rings — p. 18
      • 6. Replacing oil seals — p. 19
      • 7. Handling the battery — p. 19
      • 8. Handling wire harness — p. 19
      • 9. Handling fuses — p. 21
      • 10. Handling connectors — p. 21
      • 11. Wiring color — p. 22
      • 12. Dispose fluids correctly — p. 22
    • ENGINE IDENTIFICATION — p. 23
      • 1. Engine model name and old engine serial number — p. 23
      • 2. Engine model name and new engine serial number — p. 24
      • 3. E3B engine — p. 26
      • 4. Cylinder number — p. 27
    • INFORMATION — p. 29
      • 1. Specifications — p. 29
        • 1.1 Specification for V2607-DI-E3B, V2607-DI-T-E3B — p. 29
        • 1.2 Specification for V3007-DI-T-E3B, V3307-DI-T-E3B — p. 31
      • 2. Performance curves — p. 32
        • 2.1 Performance curve for V2607-DI-E3B — p. 32
        • 2.2 Performance curve for V2607-DI-T-E3B — p. 33
        • 2.3 Performance curve for V3007-DI-T-E3B — p. 34
        • 2.4 Performance curve for V3307-DI-T-E3B — p. 35
      • 3. Dimensions — p. 36
        • 3.1 Dimension for V2607-DI-E3B — p. 36
        • 3.2 Dimension for V2607-DI-T-E3B — p. 37
        • 3.3 Dimension for V3007-DI-E3B, V3307-DI-E3B — p. 38
    • SPECIAL TOOLS — p. 39
      • 1. Diesel engine compression tester — p. 39
      • 2. Oil pressure tester — p. 39
      • 3. Injection pump pressure tester — p. 39
      • 4. Compression tester adapter — p. 41
      • 5. Small end bushing replacing tool (for V2607-DI-E3B, V2607-DI-T-E3B) — p. 43
      • 6. Small end bushing replacing tool base (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 44
      • 7. Small end bushing replacing tool guide (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 45
      • 8. Small end bushing replacing tool (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 47
      • 9. Idle gear bushing replacing tool — p. 48
      • 10. Valve guide replacing tool — p. 48
      • 11. Front cover oil seal press fit tool — p. 49
      • 12. Flywheel housing oil seal replacing tool — p. 50
      • 13. Valve bridge shaft replacing tool — p. 52
      • 14. Camshaft cover replacing tool (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 54
      • 15. Crankshaft sleeve press fit tool — p. 55
      • 16. Engine stand — p. 57
      • 17. Crankcase 1 and 2 aligning tool — p. 58
      • 18. Flywheel housing guide — p. 60
      • 19. Fuel control rack fixing tool (for V2607-DI-E3B) — p. 62
      • 20. Injection pump gear puller — p. 63
      • 21. Fuel camshaft lock screw — p. 64
      • 22. Jig for governor connecting rod — p. 65
      • 23. Pin for balancer shaft bearing replacing tool — p. 66
      • 24. Balancer shaft 1 bearing A replacing tool — p. 67
      • 25. Balancer shaft 1 bearing C replacing tool — p. 69
      • 26. Balancer shaft 1 bearing D replacing tool — p. 71
      • 27. Balancer shaft 2 bearing B replacing tool — p. 73
      • 28. Balancer shaft 2 bearing C replacing tool — p. 75
      • 29. Balancer shaft 2 bearing D replacing tool — p. 77
  • 3. MAINTENANCE — p. 79
    • MAINTENANCE CHECK LIST — p. 80
    • CHECK AND MAINTENANCE — p. 84
      • 1. Daily check points — p. 84
        • 1.1 Checking engine oil level — p. 84
        • 1.2 Checking fuel level — p. 84
        • 1.3 Checking coolant level — p. 85
        • 1.4 Checking fan belt — p. 85
      • 2. Check points of initial 50 hours — p. 86
        • 2.1 Changing engine oil — p. 86
        • 2.2 Replacing oil filter cartridge — p. 87
      • 3. Check point of every 50 hours — p. 87
        • 3.1 Checking fuel hoses and clamp bands — p. 87
      • 4. Check points of every 250 hours — p. 88
        • 4.1 Checking radiator hose and clamp bands — p. 88
        • 4.2 Cleaning air cleaner element — p. 88
        • 4.3 Cleaning fuel filter (element type) — p. 89
        • 4.4 Checking battery electrolyte level (for refillable battery's only) — p. 89
        • 4.5 Checking intake air line — p. 89
        • 4.6 Checking fan belt — p. 90
      • 5. Check points of every 500 hours — p. 90
        • 5.1 Replacing fuel filter cartridge (cartridge type) — p. 90
        • 5.2 Cleaning water jacket and radiator interior — p. 91
        • 5.3 Replacing fan belt — p. 92
        • 5.4 Changing engine oil — p. 93
        • 5.5 Replacing oil filter cartridge — p. 94
      • 6. Check point of every 1000 hours — p. 94
        • 6.1 Checking valve clearance — p. 94
      • 7. Check points of every 1 or 2 months — p. 96
        • 7.1 Recharge of battery — p. 96
      • 8. Check points of every 1500 hours — p. 96
        • 8.1 Checking injection nozzle spraying condition — p. 96
        • 8.2 Checking fuel injection pressure — p. 97
        • 8.3 Checking nozzle valve seat tightness — p. 97
      • 9. Check points of every 3000 hours — p. 98
        • 9.1 Checking turbocharger (for V2607-DI-T-E3B, V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 98
        • 9.2 Checking fuel tightness of pump element — p. 98
        • 9.3 Checking fuel tightness of delivery valve — p. 99
        • 9.4 Checking injection timing (for V2607-DI-E3B) — p. 99
        • 9.5 Checking injection timing (for V2607-DI-T-E3B, V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 101
      • 10. Check points of every 1 year — p. 102
        • 10.1 Replacing air cleaner element — p. 102
        • 10.2 Changing engine oil — p. 102
      • 11. Check points of every 2 years — p. 103
        • 11.1 Changing radiator coolant — p. 103
        • 11.2 Replacing radiator hose and clamp bands — p. 104
        • 11.3 Replacing fuel hose and clamp bands — p. 104
        • 11.4 Replacing intake air line — p. 105
        • 11.5 Replacing battery — p. 105
  • 4. ENGINE — p. 106
    • MECHANISM — p. 107
      • 1. Feature — p. 107
      • 2. Engine body — p. 108
        • 2.1 Cylinder block — p. 108
        • 2.2 Cooling jacket — p. 108
        • 2.3 Half-floating head cover — p. 109
        • 2.4 Cylinder head — p. 109
        • 2.5 4 screws per each cylinder assembling structure — p. 109
        • 2.6 Center direct injection system (E-CDIS) — p. 110
        • 2.7 Gear train configuration — p. 111
        • 2.8 Piston — p. 111
        • 2.9 Built-in dynamic balancer (Balancer model only) — p. 111
      • 3. Lubricating system — p. 111
        • 3.1 Oil cooler — p. 111
      • 4. Cooling system — p. 112
        • 4.1 Thermostat — p. 112
        • 4.2 Bottom bypass system — p. 113
      • 5. Fuel system — p. 113
        • 5.1 Governor — p. 113
          • 5.1.1 Governor - at start — p. 113
          • 5.1.2 Governor - at idling — p. 114
          • 5.1.3 Governor - at rated speed with full load and overload — p. 114
          • 5.1.4 Governor - to stop engine — p. 115
        • 5.2 2 stage DI nozzle — p. 116
        • 5.3 Injection pump — p. 118
          • 5.3.1 Fine spill port (F.S.P) — p. 118
          • 5.3.2 CPV equipped delivery valve — p. 118
      • 6. Intake and exhaust system — p. 119
        • 6.1 Turbocharger — p. 119
      • 7. Exhaust gas recirculation (EGR) system — p. 120
        • 7.1 General — p. 120
        • 7.2 External mechanical EGR — p. 121
          • 7.2.1 EGR cooler — p. 122
          • 7.2.2 Thermo valve — p. 122
          • 7.2.3 Mechanical EGR valve — p. 122
          • 7.2.4 Reed valve — p. 123
    • SERVICING — p. 125
      • 1. Troubleshooting — p. 125
        • 1.1 Troubleshooting for engine — p. 125
      • 2. Servicing specifications — p. 130
        • 2.1 Service specifications for engine — p. 130
      • 3. Tightening torques — p. 140
        • 3.1 Tightening torques of screws, bolts and nuts for general use — p. 140
        • 3.2 Tightening torques of screws, bolts and nuts for special use — p. 140
      • 4. Checking and adjusting — p. 143
        • 4.1 Checking compression pressure of cylinder — p. 143
        • 4.2 Checking valve clearance — p. 143
        • 4.3 Checking engine oil pressure — p. 145
        • 4.4 Checking fan belt — p. 146
        • 4.5 Checking radiator cap air leakage — p. 146
        • 4.6 Checking radiator water leakage — p. 147
        • 4.7 Checking opening temperature of thermostat valve — p. 147
        • 4.8 Checking injection timing (for V2607-DI-E3B) — p. 148
        • 4.9 Checking injection timing (for V2607-DI-T-E3B, V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 149
        • 4.10 Checking fuel tightness of pump element — p. 150
        • 4.11 Checking fuel tightness of delivery valve — p. 151
        • 4.12 Checking injection nozzle spraying condition — p. 151
        • 4.13 Checking fuel injection pressure — p. 152
        • 4.14 Checking nozzle valve seat tightness — p. 152
        • 4.15 Checking battery voltage — p. 153
        • 4.16 Checking battery specific gravity — p. 153
        • 4.17 Checking starter motor — p. 154
        • 4.18 Checking magnetic switch of starter — p. 155
        • 4.19 Checking magnetic switch continuity — p. 155
        • 4.20 Checking alternator on unit — p. 156
        • 4.21 Checking glow plug continuity — p. 156
        • 4.22 Checking engine stop solenoid — p. 157
        • 4.23 Checking turbocharger (for V2607-DI-T-E3B, V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 157
        • 4.24 Checking function of EGR system (for V2607-DI-T-E3B) — p. 159
        • 4.25 Checking function of EGR system (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 162
      • 5. Disassembling and assembling — p. 165
        • 5.1 Draining oil and coolant — p. 165
          • 5.1.1 Draining engine oil — p. 165
          • 5.1.2 Draining coolant — p. 165
        • 5.2 External components — p. 166
          • 5.2.1 Air cleaner, muffler and others — p. 166
          • 5.2.2 Oil pipe and intake hose — p. 166
          • 5.2.3 Turbocharger assembly and exhaust manifold — p. 166
        • 5.3 Exhaust gas recirculation (EGR) — p. 167
          • 5.3.1 EGR system assembly — p. 167
          • 5.3.2 EGR cooler and flange (if necessary) — p. 168
          • 5.3.3 EGR valve and reed valve (if necessary) — p. 168
        • 5.4 Cylinder head and valves — p. 169
          • 5.4.1 Cylinder head cover — p. 169
          • 5.4.2 Nozzle holder — p. 170
          • 5.4.3 Check the fuel leakage of the overflow pipe — p. 170
          • 5.4.4 Rocker arm, push rod and valve bridge arm — p. 171
          • 5.4.5 Injection nozzle oil seal (if necessary) — p. 172
          • 5.4.6 Cylinder head — p. 172
          • 5.4.7 Selecting cylinder head gasket (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 173
          • 5.4.8 Selecting cylinder head gasket (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 174
          • 5.4.9 Valve — p. 176
        • 5.5 Thermostat — p. 176
          • 5.5.1 Thermostat assembly — p. 176
        • 5.6 Injection pump unit — p. 176
          • 5.6.1 Removing injection pump unit (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 176
          • 5.6.2 Reassembling injection pump unit (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 177
          • 5.6.3 Removing injection pump unit (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 178
          • 5.6.4 Reassembling injection pump unit (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 180
          • 5.6.5 Governor housing assembly — p. 181
          • 5.6.6 Governor fork lever assembly — p. 182
          • 5.6.7 Governor lever — p. 182
          • 5.6.8 Stop lever — p. 183
          • 5.6.9 Fuel camshaft and governor weight — p. 183
          • 5.6.10 Replacing injection pump assembly (if necessary) — p. 185
          • 5.6.11 Installing procedure of injection pump assembly — p. 187
          • 5.6.12 Fan drive pulley — p. 188
        • 5.7 Water pump and oil cooler — p. 188
          • 5.7.1 Water pump (if necessary) — p. 188
          • 5.7.2 Oil cooler — p. 188
        • 5.8 Front cover — p. 189
          • 5.8.1 Front cover — p. 189
          • 5.8.2 Relief valve — p. 189
        • 5.9 Flywheel and timing gears — p. 190
          • 5.9.1 Side PTO (option for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 190
          • 5.9.2 Flywheel — p. 191
          • 5.9.3 Flywheel housing (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 191
          • 5.9.4 Flywheel housing (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 192
          • 5.9.5 Camshaft and idle gear (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 193
          • 5.9.6 Camshaft and idle gear (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 194
          • 5.9.7 Balancer shaft (option for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 195
        • 5.10 Piston and connecting rod — p. 196
          • 5.10.1 Oil pan and oil strainer — p. 196
          • 5.10.2 Tappet — p. 197
          • 5.10.3 Connecting rod cap — p. 197
          • 5.10.4 Piston — p. 198
          • 5.10.5 Piston ring and connecting rod (for V2607-DI-E3B / V2607-DI-T-E3B) — p. 199
          • 5.10.6 Piston ring and connecting rod (for V3007-DI-T-E3B / V3307-DI-T-E3B) — p. 200
        • 5.11 Crankshaft and crankcase — p. 201
          • 5.11.1 Crankshaft and crankcase — p. 201
        • 5.12 Starter — p. 203
          • 5.12.1 Disassembling motor — p. 203
        • 5.13 Alternator — p. 204
          • 5.13.1 Front bracket — p. 204
          • 5.13.2 Pulley — p. 204
          • 5.13.3 Rotor — p. 204
          • 5.13.4 Brush — p. 205
          • 5.13.5 Reassembling the brush — p. 205
          • 5.13.6 Bearing at slip ring side — p. 205
      • 6. Servicing — p. 206
        • 6.1 Checking cylinder head top clearance — p. 206
        • 6.2 Checking cylinder head surface flatness — p. 207
        • 6.3 Checking cylinder head flaw — p. 207
        • 6.4 Checking valve recessing — p. 208
        • 6.5 Adjusting valve lapping — p. 208
        • 6.6 Checking clearance between valve stem and valve guide — p. 209
        • 6.7 Replacing valve guide — p. 210
        • 6.8 Adjusting valve angle — p. 210
        • 6.9 Adjusting valve seat — p. 211
        • 6.10 Checking free length of valve spring — p. 211
        • 6.11 Checking tilt of valve spring — p. 212
        • 6.12 Checking set load of valve spring — p. 212
        • 6.13 Checking oil clearance between rocker arm and rocker arm shaft — p. 213
        • 6.14 Checking oil clearance between valve bridge shaft and valve bridge arm — p. 213
        • 6.15 Replacing valve bridge shaft (V2607-DI-E3B, V2607-DI-T-E3B) — p. 214
        • 6.16 Replacing valve bridge shaft (V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 215
        • 6.17 Checking push rod alignment — p. 216
        • 6.18 Checking oil clearance between tappet and tappet guide bore — p. 216
        • 6.19 Checking timing gear backlash — p. 217
        • 6.20 Checking side clearance of idle gear — p. 218
        • 6.21 Checking oil clearance between idle gear shaft and idle gear bushing — p. 218
        • 6.22 Replacing idle gear bushing — p. 219
        • 6.23 Checking side clearance of camshaft — p. 219
        • 6.24 Checking camshaft alignment — p. 220
        • 6.25 Checking cam height — p. 220
        • 6.26 Checking oil clearance between camshaft journal and crankcase bore — p. 221
        • 6.27 Replacing camshaft cover (V3007-DI-T-E3B, V3307-DI-T-E3B) (If necessary) — p. 221
        • 6.28 Measuring balancer shaft side clearance (V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 221
        • 6.29 Measuring balancer shaft alignment (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 222
        • 6.30 Measuring oil clearance of balancer shaft journal (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 222
        • 6.31 Replacing balancer shaft bearing (for V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 223
        • 6.32 Checking piston pin bore I.D. — p. 224
        • 6.33 Checking oil clearance between piston pin and small end bushing — p. 225
        • 6.34 Replacing small end bushing (V2607-DI-E3B, V2607-DI-T-E3B) — p. 226
        • 6.35 Replacing small end bushing (V3007-DI-T-E3B, V3307-DI-T-E3B) — p. 227
        • 6.36 Checking connecting rod alignment — p. 229
        • 6.37 Checking piston ring gap — p. 229
        • 6.38 Checking clearance between piston ring and ring groove — p. 230
        • 6.39 Checking side clearance of crankshaft — p. 230
        • 6.40 Checking crankshaft alignment — p. 231
        • 6.41 Checking oil clearance between crankpin and crankpin bearing — p. 232
        • 6.42 Checking oil clearance between crankshaft journal and crankshaft bearing — p. 234
        • 6.43 Replacing crankshaft sleeve — p. 236
        • 6.44 Replacing flywheel housing oil seal — p. 236
        • 6.45 Replacing front cover oil seal — p. 237
        • 6.46 Checking cylinder wear — p. 237
        • 6.47 Adjusting cylinder correction (over size) — p. 238
        • 6.48 Checking clearance between inner rotor and outer rotor — p. 239
        • 6.49 Checking clearance between outer rotor and pump body — p. 239
        • 6.50 Checking clearance between rotor and cover — p. 239
        • 6.51 Checking free length of relief valve spring — p. 240
        • 6.52 Checking overrunning clutch of starter — p. 240
        • 6.53 Checking commutator and mica of starter — p. 240
        • 6.54 Checking brush wear of starter — p. 241
        • 6.55 Checking brush holder of starter — p. 242
        • 6.56 Checking armature coil of starter — p. 242
        • 6.57 Checking field coil of starter — p. 242
        • 6.58 Checking bearing of alternator — p. 243
        • 6.59 Checking stator of alternator — p. 243
        • 6.60 Checking rotor of alternator — p. 243
        • 6.61 Checking slip ring of alternator — p. 244
        • 6.62 Checking brush wear of alternator — p. 244
  • INDEX — p. 245

Capabilities

The source outline indexes maintenance tasks, checking and adjustment, mechanism explanations, disassembly and assembly, servicing instructions, and troubleshooting. Use these source-backed headings to locate the applicable task or system in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service work.

Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Technical reference

Reference tables include torque settings, wear limits, fluid and system capacities, and dimensions for service checks, adjustment work, and specification lookup. Use the values and conditions in the PDF for the applicable model and procedure.

• Service limits and settings: torque settings and wear limits.
• Fluid reference: fluid and system capacities.
• Machine specifications: dimensions.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

Kubota Workshop Manual for Engine, document code 9Y311-01050, PDF edition.