Page 1
T4521-93120 (206)
eHT750S
eHT600D
HEDGE TRIMMERS
June 2002
NOTE :
1. Use KOMATSU ZENOAH genuine parts specified in the parts list for repair and/or replacement.
2. KOMATSU ZENOAH does not warrant the machines, those which have been damaged by the use
of any parts other than those specified by the company.
3. When placing orders of parts for repair and/or replacement, check if the model name and the serial
number are suitable to those specified in the parts list, then use parts number described in the
parts list.
4. The contents described in the parts list may change due to improvement.
5. The parts for the machine shall be supplied within ten (10) years after the machine is discontinued.
[It is possible that some specific parts may be subject to change of their delivery term and list price
within the limit of ten (10) years after the machine is discontinued. And it is also possible that some
parts may be available even after the limit of ten (10) years.]
APPLICABLE SERIAL NUMBERS : 200101 and up
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Fig.1 eHT750S DRIVE UNIT
eHT750S
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Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T4521-91000 BLADE ASS'Y 1
2 T4503-11111 • PLATE, upper 1
3 T4503-11120 • PLATE, lower 1
4 T4521-11210 • BLADE, lower 1
5 T4521-11220 • BLADE, upper 1
6 T4521-11310 • SPACER 9
7 T4503-11321 • WASHER 3
8 T4521-11330 • SCREW 4
9 T1000-13170 • BOLT 5
10 1610-13120 • NUT 1
11 T4519-11230 • COVER 1
12 T4503-12112 PLATE 1
13 T4521-11330 SCREW 4
14 T4503-21100 GEARCASE COMP 1
15 06004-06001 BEARING 2
16 04065-02812 RING 1
17 T4503-21210 GEARCASE-BOTTOM 1
18 T4521-21220 GASKET 1
19 T4519-52110 GEAR-DRIVE 1
20 T4503-52130 SPACER 1
21 T4503-52140 WASHER 1
22 T4503-52150 BOLT 1
23 T4503-52120 DRUM 1
24 T4503-52161 WASHER 1
25 T4521-42210 GEAR 1
26 T4503-42110 ROD 2
27 T4503-42310 PLATE 2
28 3199-13350 FITTING 1
29 T4503-42410 FELT 1
30 3350-15250 BOLT 6
31 3544-11510 BOLT 3
32 T4503-31100 HANDLE-R COMP 1
33 T4503-31210 ABSORBER 4
34 T4503-31220 HOLDER 2
35 T4503-31230 CAP 1
36 T4503-32100 HANDLE-L COMP 1
37 6420-14302 LEVER ASS'Y 1
38 T3040-14511 COLLAR 1
39 T4503-83100 CABLE COMP 1
40 6542-14510 TUBE 1
41 1565-72311 CLAMP 1
42 T4503-31210 ABSORBER 4
43 T4503-32220 PIPE 2
44 T4503-32230 WASHER 2
45 01252-30535 BOLT 2
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
46 T4519-12210 LABEL 1
47 3320-91140 WRENCH 1
48 09007-00425 WRENCH 1
Fig.1 eHT750S DRIVE UNIT
eHT750S
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Fig.2 eHT600D DRIVE UNIT
eHT600D
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Fig.2 eHT600D DRIVE UNIT
eHT600D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T4506-11000 BLADE ASS'Y 1
2 T4513-11111 • PLATE, upper 1
3 T4503-11120 • PLATE, lower 1
4 T4506-11210 • BLADE 2
5 T4503-11310 • SPACER 6
6 T4503-11321 • WASHER 2
7 T4503-11331 • BOLT 4
8 T1000-13170 • BOLT 2
9 T4506-11230 • COVER, blade 1
10 T4503-21100 GEARCASE COMP 1
11 06004-06001 BEARING 2
12 04065-02812 RING 1
13 T4503-21210 GEARCASE-BOTTOM 1
14 T4503-21220 GASKET 1
15 T4519-52110 GEAR-DRIVE 1
16 T4503-52130 SPACER 1
17 T4503-52140 WASHER 1
18 T4503-52150 BOLT 1
19 T4503-52120 DRUM 1
20 T4503-52161 WASHER 1
21 T4519-42210 GEAR 1
22 T4503-42110 ROD 2
23 T4503-42310 PLATE 2
24 3199-13350 FITTING 1
25 T4503-42410 FELT 1
26 3310-31720 BOLT 6
27 3544-11510 BOLT 3
28 T4506-61110 PIPE-EXHAUST 1
29 01252-30510 BOLT 1
30 T4506-31002 HANDLE REAR ASS'Y 1
31 T4506-31210 • LEVER-THROTTLE 1
32 T4506-31310 • ARM 1
33 T4506-31412 • LEVER-LOCK 1
34 T4506-31420 • KNOB 1
35 T4506-31430 • SPRING 1
36 T4506-51110 • CABLE COMP 1
37 T4506-52110 • SWITCH 1
38 T4506-52120 • CODE COMP 1
39 3356-33321 • SPRING 1
40 2630-31950 • SCREW 5
41 2630-33610 • SCREW 1
42 T4506-31511 STOPPER 1
43 T4506-32110 HANDLE-FRONT 1
44 2630-32610 SCREW 2
45 T4506-41110 FRAME 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
46 T4506-41220 HOLDER-REAR 2
47 T4506-41310 SPRING (F) 2
48 T4506-41320 SPRING (R) 2
49 T4520-12210 LABEL 1
50 3320-91140 WRENCH 1
51 09007-00425 WRENCH 1
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Fig.3 ENGINE (1)
eHT750S/eHT600D
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Fig.3 ENGINE (1)
eHT750S/eHT600D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1600-12110 CYLINDER 1
2 5500-12213 GASKET 1
3 1850-12130 BOLT 2
4 T1650-21100 CRANKCASE COMP 1
5 2629-21130 • PIN 3
6 T1600-21140 GASKET, case 1
7 T1600-21240 BEARING 2
8 T1600-21210 SEAL 1
9 T1600-21220 SEAL 1
10 04065-02612 RING 1
11 01252-30520 BOLT 3
12 T1650-42003 CRANKSHAFT COMP 1
13 1160-41110 PISTON 1
14 1100-41210 RING 1
15 1101-41310 PIN 1
16 1260-41320 RING 2
17 5500-41410 BEARING 1
18 1101-41340 WASHER 2
19 T1600-15110 MUFFLER 1
20 01252-30550 BOLT 2
21 T1650-15210 GASKET 1
22 T1650-13100 INSULATOR COMP 1
23 0282-10604 • NUT 1
24 T1600-13170 • ADJUST SCREW 1
25 5500-13121 GASKET 1
26 5500-85510 SCREW 2
27a T1650-71110 ROTOR 1 eHT750S
27b T1600-71111 ROTOR 1 eHT600D
28 T1650-71200 COIL ASS'Y 1
29 T1600-72110 • CAP 1
30 T1600-72120 • SPRING 1
31 3350-14150 BOLT 2
32 1260-71261 SPACER 2
33 T1600-73200 CORD COMP 1
34 2750-32620 NUT 1
35 T1650-72140 CAP 1
36 1881-73110
SPARKPLUG (Champion)
1 CJ-6Y
37 T1650-51100 CLUTCH ASS'Y 1
38 T1650-51110 • SHOE, clutch 2
39 T1650-51230 • SPRING 2
40 T1650-51210 • BOSS 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
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Fig.4 ENGINE (2)
eHT750S/eHT600D
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Fig.4 ENGINE (2)
eHT750S/eHT600D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1650-31110 COVER, front 1
2a T1650-31120 COVER, rear 1 eHT750S
2b T1650-31122 COVER, rear 1 eHT600D
3 3350-15250 BOLT 4
4 T1650-15310 COVER, muffler 1
5 T1650-31410 SCREW 3
6 1850-32160 SCREW 1
7 5500-13131 GASKET 1
8a T1650-81000
CARBURETOR-A (WYL-157)
1 eHT750S
8b T1651-81000
CARBURETOR-A (WYL-167)
1 eHT600D
9 T1650-75100 RECOIL ASS'Y 1
10 1650-31410 SCREW 4
11 T1650-75200 PULLEY ASS'Y 1
12 1850-75220 • RATCHET 1
13 T1650-75230 • SPRING 1
14 01252-30612 BOLT 2
15 T1650-85001 TANK ASS'Y 1
16 5607-85201 • CAP ASS'Y 1
17 5601-85300 • • HOLDER ASS'Y 1
18 5500-85220 • • PACKING 1
19 5601-85260 • • FILTER 1
20 4820-85260 • • STOPPER 1
21 5500-85300 • PIPE COMP 1
22 5500-85400 • FILTER 1
23 1260-85460 • CLIP 1
24 1600-86120 SCREW 1
25 1400-86271 CUSHION 1
26 T1650-85520 ABSORBER 2
27 1950-86120 CLIP 1
28a T4519-12220 LABEL, name 1 eHT750S
28b T4520-12220 LABEL, name 1 eHT600D
31 T1650-82100 BODY-A 1 ✽
32 1970-82190 • SLEEVE 2 ✽
33 T1650-82130 • PLATE, choke 1 ✽
34 T1650-82140 • LEVER 1 ✽
35 2630-33610 • SCREW 1 ✽
36 5500-82171 ELEMENT 1 ✽
37 T1650-82200 COVER-A 1 ✽
38 5500-82221 • KNOB 1 ✽
39 0263-90550 SCREW 2 ✽
40a T4519-12220 LABEL, name 1
eHT750S,
✽
40b T4520-12220 LABEL, name 1
eHT600D,
✽
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
✽: Except china. For china, see Fig.6.
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Fig.5 RECOIL STARTER Fig.6 AIR CLEANER (for China)
eHT750S/eHT600D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1650-75100 RECOIL ASS'Y 1
2 T1600-75130 • SPRING, spiral 1
3 1850-75120 • REEL 1
4 1850-75151 • SCREW 1
5 T1600-75160 • ROPE 1
6 T1600-75310 • KNOB 1
7 T1600-75321 • COLLAR 1
8 T1600-75330 • SPRING 1
9 T1600-75210 • WASHER 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 1918-82001 AIR CLEANER ASS'Y 1
2 1918-82110 • COVER 1
3 1918-82120 • FILTER 2
4 1918-82130 • HOUSING 1
5 1918-82140 • PLATE 1
6 1918-82150 • CHOKE VALVE 1
7 1918-82160 • WASHER 1
8 1918-82170 • SLEEVE 2
9 1918-82180 • SCREEN 1
10 0263-90555 SCREW 2
11 5630-91170 LABEL 1
12 5630-91180 LABEL 1
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eHT750S/eHT600D
Fig.7 CARBURETOR
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1a T1650-81000
CARBURETOR-A (WYL-157)
1 eHT750S
1b T1651-81000
CARBURETOR-A (WYL-167)
1 eHT600D
2 1794-81450 • BODY ASS'Y 1
3 3306-81380 • • SCREEN 1
4 3356-81310 • • VALVE 1
5 1794-81270 • • SPRING 1
6 1850-81220 • • SCREW 1
7 3310-81250 • • PIN 1
8 3310-81230 • • LEVER 1
9 1850-81490 • BODY 1
10 1850-81520 • COVER 1
11 1751-81510 • PUMP 1
12 3310-81260 • DIAPHRAGM 1
13 1850-81470 • GASKET 1
14a T1650-81250 • JET #41.5 1 eHT750S
14b T1651-81250 • JET #41 1 eHT600D
15 1751-81130 • RING 1
16 1881-81140 • SWIVEL 1
17 T1600-81150 • VALVE 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
18 1751-81240 • O-RING 1
19 1065-81410 • GASKET 1
20 1065-81420 • DIAPHRAGM 1
21 5850-81110 • SCREW 2
22 1850-81530 • SCREW 4
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1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan
PRINTED IN JAPAN
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
GEDRUCKT AUF RECYCLING PAPIER
STAMPATO SU CARTA RICICLATA
IMPRESO EN PAPEL RECICLADO
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