KUBOTA V2403 Engine Parts Manual
Engine Parts Manual
WARNING
Warning: If incorrectly used, this machine can
cause severe injury. Those who use and maintain
this machine should be trained in its proper use,
warned of its dangers, and must read the entire
manual before attempting to set up, operate, adjust,
or service the machine.
Kubota® Diesel Engine
V2403-CR-T-E4B
Jacobsen AR722T™
Jacobsen R311T™
4290893-Rev A
GB
Engine Serial No.
Kubota Diesel
FOREWORD
This manual contains a parts list for your Kubota Engine.
The Engine Serial Number for the Kubota engine is on a
plate located on the valve cover.
Record the Engine Serial Number below for easy
reference.
Engine Serial Number: _________________________
If additional information is needed, contact your
Jacobsen Dealer.
Suggested Stocking Guide
To Keep your Equipment fully operational and productive, Jacobsen suggests you maintain a stock of the more
commonly used maintenance items. We have included part numbers for additional support materials and training aids.
To order any of the following material:
1. Write your full name and complete address on your
order form.
2. Explain where and how to make shipment:
❑ UPS ❑ Regular Mail
❑ Overnight ❑ 2nd Day
3. Order by the quantity desired, the part number, and
the description of the part.
4. Send or bring the order to your authorized Jacobsen
Dealer.
Service Parts
Qty. Part No. Description Qty. Part No. Description
4113986 Cartridge, Oil Filter 4297126 Water Separator Element
4297133 Element, Fuel Filter 4297258 V-Belt, 40 In.
© Copyright 2013, Jacobsen, A Textron Company. “All rights
reserved, including the right to reproduce this material or portions
2
thereof in any form.”
Proposition 65 Warning
This product contains or emits
chemicals known to State of California
to cause cancer and birth defects or
other reproductive harm.
LITHO IN U.S.A. 9-2013
Table of Contents
1.1..............................Crankcase ................................................................................................................................................ 4
2.1..............................Oil Pan...................................................................................................................................................... 6
3.1..............................Oil Dipstick and Guide............................................................................................................................ 7
4.1..............................Cylinder Head .......................................................................................................................................... 8
5.1..............................Rocker Arm Shaft.................................................................................................................................. 10
6.1..............................Head Cover ............................................................................................................................................ 11
7.1..............................Gear Case............................................................................................................................................... 12
8.1..............................Main Bearing Case ................................................................................................................................ 14
9.1..............................Piston and Crankshaft .......................................................................................................................... 16
10.1............................Camshaft and Idle Gear ........................................................................................................................ 18
11.1............................Flywheel Housing.................................................................................................................................. 19
12.1............................Starter Breakdown ................................................................................................................................ 20
13.1............................Fuel Camshaft........................................................................................................................................ 22
14.1............................Injection Pump....................................................................................................................................... 23
15.1............................Supply Pump ......................................................................................................................................... 24
16.1............................Common Rail ......................................................................................................................................... 25
17.1............................Injection Pipe......................................................................................................................................... 26
18.1............................Injectors and Glow Plugs ..................................................................................................................... 27
19.1............................Fuel Filter and Water Separator........................................................................................................... 28
20.1............................Belt.......................................................................................................................................................... 29
21.1............................Alternator Breakdown........................................................................................................................... 30
22.1............................Water Flange and Thermostat.............................................................................................................. 32
23.1............................Water Pipe.............................................................................................................................................. 33
24.1............................Water Pump ........................................................................................................................................... 34
25.1............................Inlet Manifold ......................................................................................................................................... 36
26.1............................Inlet Pipe ................................................................................................................................................ 37
27.1............................Exhaust Manifold................................................................................................................................... 38
28.1............................Turbo Charger ....................................................................................................................................... 39
29.1............................EGR Valve .............................................................................................................................................. 40
30.1............................EGR Cooler ............................................................................................................................................ 41
31.1............................Diesel Particulate Filter (DPF).............................................................................................................. 42
32.1............................Illustration Description ......................................................................................................................... 43
33.1............................DPF Sensors.......................................................................................................................................... 44
34.1............................DPF Pressure Pipes .............................................................................................................................. 45
35.1............................Oil Separator.......................................................................................................................................... 46
36.1............................Oil Separator Breakdown ..................................................................................................................... 47
37.1............................Turbo Charger Oil Pipe......................................................................................................................... 48
38.1............................Oil Cooler ............................................................................................................................................... 49
39.1............................Engine Sensors ..................................................................................................................................... 50
40.1............................Injector and DPF Wire Harness............................................................................................................ 51
41.1............................Engine Wire Harness ............................................................................................................................ 52
42.1............................Wire Harness Brackets ......................................................................................................................... 53
43.1............................Loose Components............................................................................................................................... 54
3
1
2
2
2
3
3
4
4
5
6
6
6
7
7
8
8
9
9
10
10
11
12
13
14
15
16
17
18
19
20
KUBOTA V2403-CR-T-E4B
1.1 Crankcase
Serial No. All
4
KUBOTA V2403-CR-T-E4B
Item Part No. Qty. Description Serial Numbers/Notes
1
2 6•Plug
3 2•Plug
4 3•Plug, Concave
5 1•Plug, Concave
6 4 • Plug, Cup Type
7 2 • Pipe, Comp Water
8 2 • Plug, Cup Type
9 2 • Pin, Straight
10 2 • Pin, Straight
11 1 • Pin, Straight
12 1 • Pin, Pipe
13 1 • Pipe Water Return
14 1 Comp. Pipe, Oil Return
15 1 Assembly Pump, Oil
16 1 Gasket, Oil Pump
17 4 Bolt, Sems
18 1 Gear, Oil Pump Drive
19 1 Key, Feather
20 1Nut
4297212
552950
552951
5001308
2500877
552952
4297256
552953
550423
594369
594370
552954
4134170
4297176
4198174
4134218
553842
4198226
550427
556915
1 Comp. Crankcase Comp.
> Change from previous revision
5
KUBOTA V2403-CR-T-E4B
2.1 Oil Pan
1
2
Serial No. All
5
6
4
3
7
Item Part No. Qty. Description Serial Numbers/Notes
1
2 1 O Ring
3 24 Bolt, Flange
4 2 Plug, Drain
5 2Gasket
6 1 Filter, Oil
7 1 Bolt, Flange
556916
4134178
556918
4134176
2500811
4134177
4198160
1 Comp. Oil Pan
5
4
> Change from previous revision
6
1
2
3
3.1 Oil Dipstick and Guide
KUBOTA V2403-CR-T-E4B
Serial No. All
Item Part No. Qty. Description Serial Numbers/Notes
1
2 1 Guide, Gauge, Oil
3 1 Plug, Oil Gauge
4289870
4111662
2812014
1 Gauge, Eng. Oil
> Change from previous revision
7
1
2
2
3
4
4
5
6
7
8
9
10
11
12
13
14
14
15
16
17
18
19
20
21
22
23
24
KUBOTA V2403-CR-T-E4B
4.1 Cylinder Head
Serial No. All
8
KUBOTA V2403-CR-T-E4B
Item Part No. Qty. Description Serial Numbers/Notes
1
2 12 Plug, Cup Type
3 1 Plug, Cup Type
4 2Plug
5 4 Guide, Valve, Inlet
6 4 Guide, Exhaust Valve
7 4 Seat, Inlet Valve
8 4 Seat, Exhaust Valve
9 18 Bolt, Head, Cylinder
10 1 Gasket, 1.20 mm Cylinder Head
10 1 Gasket, 1.15 mm Cylinder Head
10 1 Gasket, 1.25 mm Cylinder Head
10 1 Gasket, 1.30 mm Cylinder Head
10 1 Gasket, 1.35 mm Cylinder Head
11 1 Hook, Engine, Rear
12 1 Bolt, Sems
13 1 Hook, Engine, Front
14 2Stud
15 1 Nut, With Lock Washer
16 1Plug
17 1 Washer, Seal
18 4Valve, Inlet
19 4 Valve, Exhaust
20 8 Spring, Valve
21 8 Retainer, Valve Sp.
22 8 Collet, Valve Spring Set
23 8 Seal, Valve Stem
24 8Cap, Valve
4297138
552976
552977
552978
4289852
556927
4289807
4289806
556928
4198329
4198328
4198330
4198331
4198332
4297169
4289891
4297168
4134179
4134395
556930
556931
4289837
4289838
4289850
553028
4134385
553030
4289851
1 Comp. Cylinder Head
> Change from previous revision
9
1
2
2
2
2
3
3
3
4
5
5
6
6
7
7
8
8
9
9
9
9
9
9
9
9
10
11
12
KUBOTA V2403-CR-T-E4B
5.1 Rocker Arm Shaft
Serial No. All
Item Part No. Qty. Description Serial Numbers/Notes
1 Shaft, Rocker Arm
> Change from previous revision
4159660
553033
553037
4138201
553036
4297105
5002002
594338
5002804
4289853
4138207
4137828
1
2 4 Bracket, Rocker Arm
3 3 Spring, Arm, Rocker
4 1 Spring Pin
5 2 Washer, R-arm. Shaft
10
6 2 Washer, Plain
7 2 Washer, Spring Lock
8 2Hex. Bolt
9 8 Arm, Rocker, Assembly
10 8 Screw, Adjusting
11 8Nut
12 4 Bolt, Flange
12
3
4
5
6
7
8
9
10
6.1 Head Cover
KUBOTA V2403-CR-T-E4B
Serial No. All
Item Part No. Qty. Description Serial Numbers/Notes
4297178
4134204
4145911
4134206
4297179
4145912
4297104
550407
4134208
4134209
1
2 1 Pipe, Water Return
3 1 Cover, Breather
4 1 O Ring, Breather
5 1 Spacer, Breather
6 1 Comp Valve, Breather
7 4 Screw, Pan Head, Phill
8 4 Washer, Spring Lock
9 1 Gasket, Head Cover
10 10 Bolt
1 Cover, Assembly, Head, Cylinder
> Change from previous revision
11
1
2
2
3
3
4
5
6
6
7
8
9
10
11
12
13
14
15
16
KUBOTA V2403-CR-T-E4B
7.1 Gear Case
Serial No. All
12
KUBOTA V2403-CR-T-E4B
Item Part No. Qty. Description Serial Numbers/Notes
1
2 2Plug
3 2 Pin, Straight
4 1 Gasket, Gear Case
5 1 Bolt, Flange
6 8 Bolt, Flange
7 2 Bolt, Flange
8 4 Bolt, Flange
9 1Spring
10 1Seat, Valve
11 1Ball
12 1 Flange, Water Return
13 1 Gasket, Return Flange
14 3 Bolt, Sems
15 2 Plug, Oil Filler
16 2 O Ring
4297170
5001255
594369
4297171
4137901
4198240
4198361
4198161
552997
552998
594378
552999
4134624
550364
4134210
4134211
1 Case, Gear, Comp
> Change from previous revision
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19
19
KUBOTA V2403-CR-T-E4B
8.1 Main Bearing Case
Serial No. All
14
KUBOTA V2403-CR-T-E4B
Item Part No. Qty. Description Serial Numbers/Notes
1
2 2 • Bolt, Case, Brg
● 3 1 • Metal, Std. Crankshaft STD Set
◆ 3 1 Metal, -0.20 mm Crankshaft -0.20mm Set
▲ 3 1 Metal, -0.40 mm Crankshaft -0.40mm Set
4 1 Gasket, Bearing Case
5 1 Cover, Bearing Case
6 1 Gasket, Case Cover
7 8 Bolt, Sems
8 8 Bolt, Sems
9 1 Seal, Oil
10 1 Assembly Brg. Case, Main
11 2 • Bolt, Case, Brg
● 12 1 • Metal, Std. Crankshaft STD Set
◆ 12 1 Metal, -0.20 mm Crankshaft -0.20mm Set
▲ 12 1 Metal, -0.40 mm Crankshaft -0.40mm Set
13 1 Assembly Brg. Case, Main
14 2 • Bolt, Case, Brg
● 15 1 • Metal, Std. Crankshaft STD Set
◆ 15 1 Metal, -0.20 mm Crankshaft -0.20mm Set
▲ 15 1 Metal, -0.40 mm Crankshaft -0.40mm Set
16 1 Assembly Brg. Case, Main
17 2 • Bolt, Case, Brg
● 18 1 • Metal, Std. Crankshaft STD Set
◆ 18 1 Metal, -0.20 mm Crankshaft -0.20mm Set
▲ 18 1 Metal, -0.40 mm Crankshaft -0.40mm Set
19 3 Bolt, Case, Brg
4134219
4134220
4134221
4134222
4134223
4134224
4134225
4134226
594331
594332
4289805
4134228
4134220
4134221
4134222
4134223
4134229
4134220
4134221
4134222
4134223
4134230
4134220
4134221
4134222
4134223
556944
1 Assembly Brg. Case, Wheel
● 1 Kit Metal, STD Engine Includes Items marked ●
◆ 1 Kit Metal, -0.20mm/+0.20mm Engine Includes Items marked ◆
■ 1 Kit Metal, -0.40mm/+0.40mm Engine Includes Items marked ■
4198367
4198368
4198369
> Change from previous revision
15
1
2
3
4
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21
22
22
23
KUBOTA V2403-CR-T-E4B
9.1 Piston and Crankshaft
Serial No. All
16
KUBOTA V2403-CR-T-E4B
Item Part No. Qty. Description Serial Numbers/Notes
1
1 4 Piston +0.25mm Set
2 4 Ring, Piston, Assembly STD Set
2 4 Ring, Piston, Assembly +0.25mm Set
3 4Pin, Piston
4 8 Circlip, Int
5 4 Rod, Connecting, Assembly
6 4 • Bushing, Pin, Piston
7 8 • Bolt, Rod, Connecting Torque to 40-45 Nm
● 8 4 • Metal, Std. Crank Pin STD Set
◆ 8 4 Metal, -0.20mm Crank Pin -0.20mm Set
■ 8 4 Metal, -0.40mm Set Crank Pin -0.40mm Set
9 1Crankshaft, Comp
10 4 • Ball 1/4
11 1 • Bushing, Crankshaft
12 1 Pin, Straight
13 1 Gear. Crankshaft
14 1 Feather Key
15 1 Gear, Oil Pump Drive
16 1 Oil Slinger
17 1 Collar, Crankshaft
18 1 O Ring
19 1 Nut, Crankshaft
● 20 1 Metal, Std. Crankshaft STD Set
◆ 20 1 Metal, -0.20mm Crankshaft -0.20mm Set
■ 20 1 Metal, -0.40mm Set Crankshaft -0.40mm Set
● 21 2 Metal, Std. Side STD Set
◆ 21 2 Metal, +0.20mm Side +0.20mm Set
■ 21 2 Metal, +0.40mm Side +0.40mm Set
● 22 2 Metal, Std. Side STD Set
◆ 22 2 Metal, +0.20mm Side +0.20mm Set
■ 22 2 Metal, +0.40mm Side +0.40mm Set
23 1 Seal, Oil
4297235
4297236
4198379
4198380
556964
4159662
4198382
4198381
557331
556968
556969
556970
4289835
2500953
553095
4198236
4297253
4198165
4198172
556975
553088
594367
553089
4134242
4134243
4134244
4134245
4134246
4134247
4134248
4134249
4134250
4297251
4 Piston STD Set
● 1 Kit Metal, STD Engine Includes Items marked ●
◆ 1 Kit Metal, -0.20mm/+0.20mm Engine Includes Items marked ◆
■ 1 Kit Metal, -0.40mm/+0.40mm Engine Includes Items marked ■
4198367
4198368
4198369
> Change from previous revision
17
KUBOTA V2403-CR-T-E4B
10.1 Camshaft and Idle Gear
14
9
11
10
13
2
4
Serial No. All
12
5
Item Part No. Qty. Description Serial Numbers/Notes
1
2 8Rod, Push
3 1 Assembly Camshaft
4 1 • Ball 1/4
5 1 • Gear, Camshaft
6 1 • Key, Feather
7 1 • Stopper, Camshaft
8 2 Bolt, Flange
9 1 Gear, Comp, Idle
10 1 • Bushing, Idle Gear
11 1 Collar, Idle Gear
12 2 Bolt, Flange
13 1 Shaft, Idle Gear
14 3 Bolt, Flange
557322
4198304
4289839
2500953
4134233
594374
553068
2811976
4297252
4297254
4289868
5003269
4134440
2811976
8 Tappet
7
1
6
3
8
18
> Change from previous revision
11.1 Flywheel Housing
8
KUBOTA V2403-CR-T-E4B
Serial No. All
9
7
10
3
6
5
2
14
Item Part No. Qty. Description Serial Numbers/Notes
1
2 1 • Gear, Ring
3 6 Bolt, Flywheel
4 1 Housing, Comp, Flywheel
5 1 • Bracket, Sensor
6 1 • Bolt, Flange
7 1Cover
8 1Hex. Bolt
9 2 Washer, Spring Lock
10 11 Bolt
11 1 Assembly Starter See 12.1 for Service Parts
12 1 Bolt, Stud
13 1 Bolt, Sems
14 1 Nut, Flange
15 1Hex. Nut
4297192
4198239
4198377
4297172
4297201
4137820
557332
594338
5002002
4134252
4198229
4297100
594337
4251684
550395
12
11
13
9
15
1 Flywheel, Comp
4
1
> Change from previous revision
19
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