
Instructions for Parts Books
The heading at the top of the page will be the same for the picture of the parts at it is for the page with the part
numbers.
Definition of column headings on part number pages:
REF.No The number refering to the part on the picture page of the parts book.
Part No. The number assigned to this part at the time of printing the parts book.
Description Discription of part.
Q'ty Quanity of part used on that page.
S.No. Serial number range of the equipment that this part will fit.
>= Your serial number should be greater than or equal to the number shown.
<= Your serial number should be lesser than or equal to the serial number shown.
I/C Interchangeability of part shown.
The part shown will work for the older and later serial number.
# The part shown is not interchangable with the other serial number.
new for old
old for new
Remarks Notes about this particulart part. Sometimes this may say except [FR] or [CA]
Note about Country Codes:
The parts books we use in the United States of America may also contain information about a part that would be
different in another country. It is important that you are aware of the country codes in some instances.
Symbol Country
A United States of America
CA Canada
FR France
GR Greece
PO Portugal
AU Australia
If the remarks column says for example EXCEPT [FR] this part works in all countries except France.
That means it will work here in the USA.

|ALL PRODUCT INDEX
KX91-3
Ref. KX91-3 Page 41039
ENGINE
FUEL SYSTEM
ELECTRICAL SYSTEM
PUMP/MOTOR SYSTEM
CONTROL VALVE
CONTROL LEVER
HYDRAULIC SYSTEM
FRONT ATTACHMENTS
TRACK FRAME
SWIVEL FRAME
OPERATOR'S PLATFORM
LABEL
ACCESSORIES

Ref. KX91-3 Page 41039
Item Part No. Description Book
ENGINE 010001 CRANK CASE 100A0180
010002 OIL PAN 100A0180
010003 CYLINDER HEAD 100A0180
010004 GEAR CASE 100A0180
010005 HEAD COVER 100A0180
010100 MAIN BEARING CASE 100A0180
010101 CAMSHAFT AND IDLE GEAR SHAFT 100A0180
010102 PISTON AND CRANKSHAFT 100A0180
010103 FLYWHEEL 100A0180
010105 FUEL CAMSHAFT AND GOVERNOR SHAFT 100A0180
010200 ENGINE STOP LEVER 100A0180
010202 INJECTION PUMP 100A0180
010203 INJECTION PUMP (COMPONENT PARTS) 100A0180
010204 GOVERNOR 100A0180
010205 SPEED CONTROL PLATE 100A0180
010206 NOZZLE HOLDER AND GLOW PLUG 100A0180
010413 ALTERNATOR 100A0180
010414 ALTERNATOR (COMPONENT PARTS) 100A0180
010416 STARTER 100A0180
010417 STARTER (COMPONENT PARTS) 100A0180
010500 WATER FLANGE AND THERMOSTAT 100A0180
010501 WATER PUMP 100A0180
010600 VALVE AND ROCKER ARM 100A0180
010610 INLET MANIFOLD 100A0180
010612 EXHAUST MANIFOLD 100A0180
020030 ENGINE BRACKET 100A0180
020511 RADIATOR 100A0180
020513 WATER PIPE 100A0180
020614 AIR CLEANER 100A0180
020616 MUFFLER 100A0180
FUEL SYSTEM 02A200 ACCEL LEVER 100A0180
02A300 FUEL PIPING 100A0180
02A301 FUEL FILTER (COMPONENT PARTS) 100A0180
02A303 FUEL TANK 100A0180
ELECTRICAL SYSTEM 02B400 BATTERY 100A0180
02B402 TIMER AND HORN 100A0180
02B404 SWITCH AND METER 100A0180
02B406 LIGHT 100A0180
02B408 ELECTRICAL WIRING 100A0180
PUMP/MOTOR SYSTEM 02C000 PUMP HOUSING 100A0180
02C200 PISTON PUMP(COMPONENT PARTS) 100A0180
02C30001 DRIVE MOTOR AND COMPONENT PARTS 100A0180
02C30002 DRIVE MOTOR AND COMPONENT PARTS 100A0180
02C40001 SWIVEL MOTOR AND COMPONENT PARTS 100A0180
02C40002 SWIVEL MOTOR AND COMPONENT PARTS 100A0180
02C500 ROTARY JOINT 100A0180
02C502 OIL TANK 100A0180
CONTROL VALVE 02C600 CONTROL VALVE 100A0180
02C601 CONTROL VALVE (COMPONENT PARTS) 100A0180
02C60201 SPOOL SECTION (SWIVEL) 100A0180
02C60202 SPOOL SECTION (SWING) 100A0180
02C60203 SPOOL SECTION (BLADE) 100A0180
02C60204 SPOOL SECTION (TRAVEL STRAIGHT) 100A0180
02C60205 SPOOL SECTION (S/P) 100A0180
02C60206 SPOOL SECTION (ARM) 100A0180
02C60207 SPOOL SECTION (TRAVEL LH) 100A0180
02C60208 SPOOL SECTION (TRAVEL RH) 100A0180
02C60209 SPOOL SECTION (BOOM) 100A0180
02C60210 SPOOL SECTION (BOOM LOCK) 100A0180

Ref. KX91-3 Page 41039
Item Part No. Description Book
CONTROL VALVE 02C60211 SPOOL SECTION (BUCKET) 100A0180
02C704 CHANGE VALVE 100A0180
02C705 CHANGE VALVE (COMPONENT PARTS) 100A0180
02C900 TPSS VALVE 100A0180
02C901 TPSS VALVE (COMPONENT PARTS) 100A0180
CONTROL LEVER 02D100 CONTROL LEVER (LEVER LH) 100A0180
02D200 CONTROL LEVER (LEVER RH) 100A0180
02D201 PILOT VALVE (COMPONENT PARTS) 100A0180
02D300 CONTROL LEVER (TRAVEL LH 1) 100A0180
02D301 CONTROL LEVER (TRAVEL LH 2) 100A0180
02D400 CONTROL LEVER (TRAVEL RH 1) 100A0180
02D401 CONTROL LEVER (TRAVEL RH 2) 100A0180
02D405 CONTROL LEVER (TRAVEL LOCK) 100A0180
02D500 CONTROL TRAVEL PEDAL 100A0180
02D600 CONTROL LEVER (SAFETY LOCK LEVER) 100A0180
02D700 CONTROL PEDAL (SWIVEL/SWING CHANGE 1) 100A0180
02D702 CONTROL PEDAL (SWIVEL/SWING CHANGE 2) 100A0180
02D705 TPSS LEVER 100A0180
02D800 CONTROL LEVER (BLADE) 100A0180
02D900 CONTROL LEVER (S/P) 100A0180
HYDRAULIC SYSTEM 02E000 OIL PIPING (SUCTION) 100A0180
02E002 OIL PIPING (DELIVERY) 100A0180
02E00401 OIL PIPING (RETURN 1) 100A0180
02E00402 OIL PIPING (RETURN 2) 100A0180
02E006 OIL PIPING (OIL COOLER) 100A0180
02E100 OIL PIPING (CONTROL LH) 100A0180
02E102 OIL PIPING (CONTROL RH) 100A0180
02E200 OIL PIPING (TRAVEL LH) 100A0180
02E202 OIL PIPING (TRAVEL RH) 100A0180
02E204 OIL PIPING (SWIVEL) 100A0180
02E300 OIL PIPING (SWING) 100A0180
02E304 OIL PIPING (BOOM) 100A0180
02E400 OIL PIPING (ARM) 100A0180
02E500 OIL PIPING (BUCKET) 100A0180
02E600 OIL PIPING (BLADE) 100A0180
02E700 OIL PIPING (CLAMP) 100A0180
02E800 OIL PIPING (S/P) 100A0180
02F000 BOOM CYLINDER AND COMPONENT PARTS 100A0180
02F00001 BOOM CYLINDER AND COMPONENT PARTS 100A0180
02F100 ARM CYLINDER AND COMPONENT PARTS 100A0180
02F20001 BUCKET CYLINDER AND COMPONENT PARTS 100A0180
02F20002 BUCKET CYLINDER AND COMPONENT
PARTS(TELESCOPIC)
100A0180
02F300 BLADE CYLINDER AND COMPONENT PARTS 100A0180
02F400 SWING CYLINDER AND COMPONENT PARTS 100A0180
FRONT ATTACHMENTS 02G000 SWING BRACKET 100A0180
02G100 BOOM 100A0180
02G104 CYLINDER COVER (BOOM) 100A0180
02G200 ARM 100A0180
02G201 ARM (TELESCOPIC) 100A0180
02G202 TELESCOPIC CYLINDER(TELESCOPIC) 100A0180
02G300 BUCKET LINK 100A0180
02G301 BUCKET LINK (TELESCOPIC) 100A0180
02G500 BLADE 100A0180
TRACK FRAME 02H000 TRACK FRAME 100A0180
02H100 IDLER 100A0180
02H200 TRACK ROLLER 100A0180
02H300 CRAWLER 100A0180
SWIVEL FRAME 02J000 SWIVEL FRAME 100A0180

Ref. KX91-3 Page 41039
Item Part No. Description Book
SWIVEL FRAME 02J001 ARCH FRAME 100A0180
02J100 SWIVEL BEARING 100A0180
02J200 SEAT SUPPORT 100A0180
02J300 STEP 100A0180
02K000 COVER LH 100A0180
02K001 COVER RH 100A0180
02K101 BONNET LH 100A0180
02K102 BONNET RH 100A0180
02K103 BONNET REAR 100A0180
02K200 SPONGE 1 100A0180
02K201 SPONGE 2 100A0180
02K300 WEIGHT 100A0180
02K400 SEAT 100A0180
02K401 SEAT (COMPONENT PARTS) 100A0180
OPERATOR'S PLATFORM 02L000 CANOPY 100A0180
02L100 CABIN (BODY) 100A0180
02L200 CABIN (DOOR) 100A0180
02L201 CABIN (DOOR LOCK) 100A0180
02L300 CABIN (WINDOW) 100A0180
02L301 CABIN (WINDOW FRONT) 100A0180
02L402 CABIN (SEAL RUBBER) 100A0180
02L500 CABIN (WIPER MOTOR) 100A0180
02L502 CABIN (ELECTRICAL WIRING) 100A0180
02L600 CABIN (HEATER) 100A0180
02L601 CABIN (DEFROSTER) 100A0180
LABEL 02M000 LABEL 100A0180
ACCESSORIES 02N000 ACCESSORIES 100A0180

CRANK CASE
Reference: 010001 Page: 1
010
020
020
020
030
030
035
040
040
050
060
070
070
080
080
090
090
100
100
110
120
130
140
150
170
180
190
200
210
220
230

CRANK CASE
Reference: 010001 Page: 1
REF.No Part No. Description Q'ty S.No. I/C REMARKS Weight
(kgf)
Weight
(lb)
010 1A053-01010 COMP.CRANKCASE 1 <=1W1403 48.5 106.7
010 1A053-01016 COMP.CRANKCASE 1 >=1Y0001 ← 48.5 106.7
020 15521-96020 PLUG 5 0.003 0.0066
030 15521-96030 PLUG 2 0.007 0.0154
035 06312-10020 PLUG 1 0.016 0.0352
040 17391-96160 PLUG EXPANSION 3 0.003 0.0066
050 06311-75045 PLUG EXPANSION 1 <=3G0964 0.026 0.0572
050 16271-96160 PLUG EXPANSION 1 >=3J0001 ≠ 0.025 0.055
060 15221-03380 CAP SEALING 5 0.017 0.0374
070 15221-03390 CAP SEALING 2 0.03 0.066
080 05012-00408 PIN STRAIGHT 2 0.001 0.0022
090 05012-00609 PIN STRAIGHT 3 0.003 0.0066
100 05012-00612 PIN STRAIGHT 2 0.003 0.0066
110 05012-01018 PIN STRAIGHT 2 0.012 0.0264
120 15221-33650 PIN PIPE 1 0.004 0.0088
130 06311-85020 CAP SEALING 1 0.002 0.0044
140 15221-33610 PLUG 1 0.009 0.0198
150 15021-33660 GASKET 1 0.001 0.0022
160 99999-99999 BLANK 0 0 0
170 15471-35012 ASSY PUMP OIL 1 0.55 1.21
180 1A021-35150 GASKET OIL PUMP 1 0.001 0.0022
190 01023-60650 BOLT 4 0.015 0.033
200 19202-35660 GEAR OIL PUMP DRIVE 1 0.23 0.506
210 05712-00410 KEY FEATHER 1 0.001 0.0022
220 15221-35682 NUT FLANGE 1 0.014 0.0308
230 15531-39010 SWITCH OIL 1 <=20402 EXCAVATOR SERIAL No. 0.032 0.0704
230 1A024-39010 SWITCH OIL 1 >=20403 ← EXCAVATOR SERIAL No. 0.035 0.077

OIL PAN
Reference: 010002 Page: 2
010
020
030
040
050
060
070
080
090
100
110

OIL PAN
Reference: 010002 Page: 2
REF.No Part No. Description Q'ty S.No. I/C REMARKS Weight
(kgf)
Weight
(lb)
010 1A053-01500 COMP.OIL PAN 1 1.925 4.235
020 15313-01620 GASKET OIL PAN 1 <=2V9999 0.055 0.121
020 1G841-01620 GASKET OIL PAN 1 >=2W0001 ↔ 0.045 0.099
030 17333-91010 BOLT FLANGE 20 <=2V9999 0.03 0.066
030 17333-91013 BOLT FLANGE 20 >=2W0001 ≠ 0.03 0.066
040 15707-33750 PLUG DRAIN 1 0.1 0.22
050 15451-96670 GASKET 1 0.003 0.0066
060 16413-32110 FILTER OIL 1 <=3C9999 0.24 0.528
060 1G850-32110 FILTER OIL 1 >=3E0001 ← 0.255 0.561
070 01123-60814 BOLT 1 0.01 0.022
080 04814-00160 O RING 1 0.001 0.0022
090 1A053-36410 GAUGE OIL 1 0.045 0.099
100 17456-36420 GUIDE OIL GAUGE 1 0.03 0.066
110 16414-33640 PLUG OIL GAUGE 1 0.003 0.0066

CYLINDER HEAD
Reference: 010003 Page: 3
010
020
030
040
050
060
070
080
090
090
100
110
110
120
130
140
150
160
170
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Kubota KX91-3 Excavator Illustrated Master Parts Manual
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Whether you're a professional mechanic or a DIY enthusiast, this manual is designed to assist you in the maintenance and repair of your Kubota KX91-3 Excavator. It covers a wide range of technical information, making it suitable for all skill levels.
- Operators Platform
- Cooling System
- Engine
- Air Intake System
- Exhaust System
- Fuel System
- Track Frame
- Hydraulic System
- Swivel Frame
- Front Attachments
- Electrical System
The manual is available in PDF format, compatible with all versions of Windows and Mac. It is in English and requires Adobe Reader for viewing. By having this manual, you can save both time and money on the maintenance of your Kubota KX91-3 Excavator. Get your copy now and ensure the proper care of your equipment.