KUBOTA D722 Engine MASTER Parts Manual
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Engine Parts
Manual
When Performance Matters.
™
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 should read the entire manual before attempting to set up,
operate, adjust, or service the machine.
GB
Kubota Diesel Engine
D722-E3B-TXRN-1 – Jacobsen Groom Master
®
II
D722-E3B-TXRN-3 – Jacobsen Tri-King
®
D722-E3B-TXRN-4 – Jacobsen Greens King IV
™
D722-E3B-RNUK-3 – Jacobsen G-Plex
®
III and GP400
™
4189622-Rev B
© 2009, Jacobsen, A Textron Company/Textron Innovations Inc.
“All rights reserved, including the right to reproduce this material
or portions thereof in any form.”
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.
Engine Serial No.
Kubota Diesel
2
Proposition 65 Warning
This product contains or emits
chemicals known to State of California
to cause cancer and birth defects or
other reproductive harm.
FOREWORD
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
5002644 Oil Filter Cartridge 4209387 Upper Gasket Kit
4209366 Fuel Filter Element (All except G-Plex) 4209383 Lower Gasket Kit
4183591 Fuel Filter Element (G-Plex)
2811450 V-Belt (Groom Master II)
5001951 V-Belt (All except Groom Master II)
LITHO IN U.S.A. 9-2012
3
Table of Contents
1.1 ......... Gasket Kits .......................................................... 4
2.1 ......... Crankcase ............................................................ 6
3.1 ......... Oil Pan.................................................................. 8
4.1 ......... Cylinder Head .................................................... 10
5.1 ......... Gearcase ............................................................ 12
6.1 ......... Gearcase ............................................................ 14
7.1 ......... Head Cover ........................................................ 16
8.1 ......... Dipstick and Guide ........................................... 18
9.1 ......... Main Bearing Case ............................................ 20
10.1 ....... Piston and Crankshaft ...................................... 22
11.1 ....... Flywheel ............................................................. 24
12.1 ....... Camshaft and Idle Gear .................................... 26
13.1 ....... Fuel Camshaft and Governor ........................... 28
14.1 ....... Idle Apparatus ................................................... 30
15.1 ....... Injection Pump .................................................. 32
16.1 ....... Governor ............................................................ 34
17.1 ....... Speed Control Plate .......................................... 36
18.1 ....... Nozzle Holder and Glow Plug .......................... 38
19.1 ....... Fuel Filter and Pump ........................................ 40
20.1 ....... Alternator and Pulleys ...................................... 42
21.1 ....... Alternator ........................................................... 44
22.1 ....... Dynamo .............................................................. 46
23.1 ....... Starter ................................................................ 48
24.1 ....... Starter ................................................................ 50
25.1 ....... Water Flange and Thermostat ......................... 52
26.1 ....... Water Pump ....................................................... 54
27.1 ....... Radiator ............................................................. 56
28.1 ....... Reserve Tank..................................................... 58
29.1 ....... Valve and Rocker Arm ...................................... 60
30.1 ....... Intake and Exhaust Manifolds ......................... 62
31.1 ....... Miscellaneous ................................................... 64
4
Upper Gasket Kit
Lower Gasket Kit
1
2
3
4
5
6
7
8
9 / 10
11
12
13
14 / 24 / 29
15
16
17
18
19
20
21 / 22 / 26 / 27
28
23
25
30
KUBOTA D722-E3B
1.1 Gasket Kits
Serial No. All
5
> Change from previous revision
A - Groom Master II (D722-E3B-TXRN-1) B - Tri-King (D722-E3B-TXRN-3)
C - Greens King IV (D722-E3B-TXRN-4) D - G-Plex III and GP400 (D722-E3B-RNUK-3)
● - Used on All Engines
KUBOTA D722-E3B
Engine Item Part No. Qty. Description Serial Numbers/Notes
● 1 4209387 1 Kit Gasket, Upper
● 2 5001981 6 • Seal, Valve Stem See 29.1
● 3 5002017 1 • Gasket, Cylinder Head See 4.1
● 4 554190 1 • Gasket, In-manifold See 30.1
BC 5 553020 1 • Gasket, Muffler Na See 30.1
BCD 6 4209373 1 • Gasket, Ex-manifold See 30.1
● 7 4145937 1 • Gasket, Head Cover See 7.1
● 8 2809955 1 • O Ring, Oil Filler Plug See 7.1
● 9 554051 3 • Gasket, Nozzle Holder See 18.1
● 10 557352 3 • Seal, Heat See 18.1
● 11 554082 1 • Gasket, Water Flange See 25.1
● 12 4145869 1 • Gasket, Thermostat See 25.1
● 13 4209383 1 Kit Gasket, Lower
D 14 4183640 1 • Gasket, Oil Drain Plug See 3.1
● 15 4209352 1 • Gasket, Water Pump See 26.1
● 16 4209349 1 • Gasket, Gear Case See 5.1, or 6.1
● 17 557528 1 • Seal, Oil See 5.1, or 6.1
● 18 5001884 1 • Gasket, Bearing Case See 9.1
D 19 554222 1 • Seal, Oil See 9.1
● 20 5001422 1 • Gasket, Case Cover See 9.1
● 21 4145665 1 • O Ring, Oil Slinger See 10.1
● 22 553855 1 • O Ring, Oil Filter See 3.1
● 23 5001864 1 • Gasket, Oil Pump Na See 2.1
● 24 553143 1 • Gasket See 14.1
● 25 5001922 1 • Gasket, Fuel Pump See 19.1
● 26 4146066 1 • O Ring, Speed Control Plate See 17.1
● 27 4138008 1 • O Ring, Lever Shaft See 17.1
● 28 554073 1 • Gasket, Speed Control Plate See 17.1
● 29 553143 2 • Gasket See 18.1
D 30 5001877 1 • Gasket, H/M Gear Case See 5.1
6
1
2
2
3
3
3
3
4
4
5
22
5
6
6
6
7
8
9
10
11
12
12
13
14
15
16
17
18
19
20
21
KUBOTA D722-E3B
2.1 Crankcase
Serial No. All
7
> Change from previous revision
A - Groom Master II (D722-E3B-TXRN-1) B - Tri-King (D722-E3B-TXRN-3)
C - Greens King IV (D722-E3B-TXRN-4) D - G-Plex III and GP400 (D722-E3B-RNUK-3)
● - Used on All Engines
KUBOTA D722-E3B
Engine Item Part No. Qty. Description Serial Numbers/Notes
A 1 4209355 1 Comp. Crankcase
BC 1 4209376 1 Comp. Crankcase
D 1 4145841 1 Comp. Crankcase
● 2 2810931 3 • Cap, Sealing
● 3 5001861 5 • Cap, Sealing
● 4 553911 2 • Plug
● 5 552978 5 • Plug
● 6 552950 3 • Plug
● 7 552951 1 • Plug
● 8 4145733 1 • Plug, Expansion
● 9 553857 2 • Pin, Straight
● 10 550424 2 • Pin, Straight
● 11 552957 1 • Pin, Pipe
● 12 550543 2 • Pin, Pipe
ABC 13 550543 2 • Pin, Pipe
D 13 554220 2 • Pin, Pipe
● 14 5001863 1 • Cover, Fuel Camshaft
● 15 554084 1 Assy Cock, Drain
● 16 554012 1 Assy Pump, Oil
● 17 5001864 1 Gasket, Oil Pump Na Included in Lower Gasket Kit
● 18 554098 3 Bolt
● 19 554014 1 Gear, Oil Pump Drive
● 20 594372 1 Key, Feather
● 21 5001865 1 Nut, Flange
● 22 554018 1 Switch, Oil
8
1
Engines ABC Engine D
1
2
2
3
3
4 4
5
5
6
6
7
7
KUBOTA D722-E3B
3.1 Oil Pan
Serial No. All
9
> Change from previous revision
A - Groom Master II (D722-E3B-TXRN-1) B - Tri-King (D722-E3B-TXRN-3)
C - Greens King IV (D722-E3B-TXRN-4) D - G-Plex III and GP400 (D722-E3B-RNUK-3)
● - Used on All Engines
KUBOTA D722-E3B
Engine Item Part No. Qty. Description Serial Numbers/Notes
ABC 1 554209 1 Comp. Oil Pan
D 1 5001866 1 Comp. Oil Pan
ABC 2 550361 18 Bolt
D 2 4165443 18 Bolt
ABC 3 4177260 1 Plug, Drain
D 3 4183640 1 Plug, Drain
ABC 4 2500811 1 Gasket
D 4 4183640 1 Gasket Included in Lower Gasket Kit
● 5 5001868 1 Filter, Oil
● 6 553855 1 O Ring Included in Lower Gasket Kit
● 7 594330 1 Bolt
10
1
1
2
2
3
4
5
6
6
7
8
9
10
11
KUBOTA D722-E3B
4.1 Cylinder Head
Serial No. All
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$30.99
This master parts manual is for the KUBOTA D722 engine used in welder and generator applications. It provides a clear and crisp view of the engine components and is a full version with over 120 pages of detailed information. The manual is compatible with all versions of Windows, Mac, and Linux and is printable. It can be instantly accessed at high speed and requires Adobe Reader for viewing. The manual is designed to be easy to understand and navigate, making it useful for both professional mechanics and DIY enthusiasts.
