Parts Manual
RZ4219F / 966495701 RZ4219 BF / 966514801
RZ4619 / 965921501 RZ5424 / 965881301
RZ5422 / 965881401
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
English
When you need spare parts or support in service
questions, warranty issues, etc., please consult
the following professional:
This Parts Manual belongs to the machine with the
manufacturing number:
Manufacturing Number
The machine’s manufacturing number can be found on
the printed plate affixed to the engine compartment.
Illustration shown with engine removed.
Stated on the plate, from the top are:
The machine’s type designation (I.D.).•
The manufacturer’s type number (Model).•
The machine’s serial number (Serial no.)•
Please have the type designation and serial number
available when ordering spare parts.
The engine’s manufacturing number is stamped on
one of the valve covers.
The plate states:
The engine’s model.•
The engine’s type.•
Code•
Please have these available when ordering spare
parts.
Engine Transmission
The wheel motors and hydrostatic pumps have a
barcode decal afxed at the rear.
©2010 HTC All rights reserved.
Beatrice, NE. Printed in U.S.A.
CONTENTS
FRAME ........................................................................4
ENGINE PLATE
965921501, 966495701, 966514801 ................. 6
965881401 ......................................................... 8
965881301 ....................................................... 10
965881301 after serial # 101825204 ................ 12
STEERING ................................................................ 14
IGNITION
965921501, 966495701, 966514801 .............. 16
965881301, 965881401 .................................. 18
BRAKE / LIFT ............................................................ 20
HYDRAULIC PUMP-MOTOR ....................................22
WHEELS AND TIRES ................................................ 24
MOWING DECK / CUTTING DECK
966514801 ....................................................... 26
966495701 ....................................................... 28
965921501 ....................................................... 30
965881301, 965881401 ................................... 32
SEAT ......................................................................... 34
DECALS ....................................................................36
NOTE: ALL FASTENERS ARE GRADE 5 UNLESS OTHERWISE SPECIFIED.
34
22
FRAME
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17
32
1
11
27
38
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30
35
31
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31
30
28
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34
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20
5
16
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30
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19
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27
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9
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FRAME
ITEM PARTNO. QTY. DESCRIPTION ITEM PARTNO. QTY. DESCRIPTION
5
510 2618021.. .... 1 .... PLATE, OUTER BRAKE
510 2067032.. .... 1 .... PLATE, BRAKE LATCH
510 2456023.. .... 1 .... PLATE, DECK HEIGHT
510 2405024.. .... 1 .... PLATE, DECK HEIGHT
522 8429025.. .... 1 .... FOOT PLATE w/DECALS
522 7195046.. .... 1 .... FOOT REST
522 4433027.. .... 1 .... MOUNT, STRUT, RT, BLK
522 4433048.. .... 1 .... MOUNT, STRUT, LT, BLK
521 9965019.. .... 4 .... NUT 3/8-16 HEX FLG NYLOC
539 99064510.. .... 4 .... RHSNB 3/8-16 x 1
510 22590211.. .... 2 .... SUPPORT, FENDER
510 22600212.. .... 1 .... SUPPORT, TANK
510 17750313.. .... 1 .... FRAME, FRONT RT
510 17740314.. .... 1 .... FRAME, FRONT LT
539 97697915.. .. 14 .... NUT 3/8-16 HEX NYLOC
539 11197616.. .... 6 .... BOLT 3/8-16 x 25/8 THD FRM
539 99018817.. .. 20 .... WASHER 5/16 SAE FLT
539 99104618.. .... 2 .... HCS 5/16-18 x 2½
539 99071719.. .... 5 .... NUT 5/16-18 HEX NYLOC
539 10233520.. .... 4 .... HCS
539 97776121.. .... 2 .... HCS ¼-20 x 1
539 11067422.. .... 4 .... SCREW 10-12 x 1¼ WSH HD
539 11912423.. .... 2 .... NUT 7/16-14 HEX NYLOC
539 11478924.. .... 2 .... SWIVEL
521 93810125.. .... 1 .... LINK, FRONT SUSPENSION
515 98810126.. .... 6 .... SPACER ½ OD x 1½
539 10258727.. .... 6 .... GROMMET, BUMPER
539 10441128.. .... 1 .... KNOB w/STUD
539 10955429.. .... 2 .... WASHER ½ FLT
539 10134130.. .... 8 .... HCS 3/8-16 x 3
539 99012231.. .... 8 .... WASHER 3/8 SAE FLT
539 97693832.. .... 6 .... HCS 5/16-18 x 2¼
539 11289933.. .... 8 .... NUT 5/16-18 FLANGE NYLOC
539 10172134.. .... 3 .... HCS 5/16-18 x 2¾
539 97698935.. .... 3 .... #4 HAIRPIN
539 10252636.. .... 1 .... PIN, LIFT
539 99005537.. .... 2 .... WASHER ¼ FLT SAE
539 97697838.. .... 2 .... NUT ¼-20 HEX NYLOC
/16-18 x 4
5
ENGINE PLATE
965921501, 966495701, 966514801
20
24
21
31
25
8
15
16
16
19
1
19
32
17
7
18
11
13
12
30
19
28
26
17
10
29
27
4
2
23
5
14
6
3
7
6
22
9
ENGINE PLATE
ITEM PARTNO. QTY. DESCRIPTION ITEM PARTNO. QTY. DESCRIPTION
510 1720021.. .... 1 .... PLATE, ENGINE
539 1120922.. .... 1 .... ARM, IDLER
539 1012313.. .... 1 .... SPINDLE, IDLER
539 1126704.. .... 1 .... WASHER, HEAVY
539 1103115.. .... 1 .... PULLEY, IDLER
539 1034336.. .... 1 .... HCS ½-13 x 3¼
539 1095547.. .... 2 .... WASHER ½ FLT
539 1013318.. .... 1 .... NUT ½-13 HEX NYLOC
505 2873019.. .... 1 .... CLUTCH
516 01180210.. .... 1 .... HITCH
539 11453011.. .... 1 .... PULLEY, ENGINE
539 11225212.. .... 1 .... SPACER
510 24600213.. .... 1 .... STOP, CLUTCH
3
539 10938914.. .... 1 .... HCS
/8-16 x 3½ TPBLT
539 99069215.. .... 2 .... WASHER 5/16 STD FLT
539 97697916.. .... 2 .... NUT 3/8-16 HEX NYLOC
539 99020817.. .... 2 .... RHSNB
5
/16-18 x 1
539 97693518.. .... 3 .... HCS 5/16-18 x 1½
539 11289919.. .... 6 .... NUT 5/16-18 FLANGE NYLOC
539 11042520.. .... 2 .... FUEL LINE 5"
539 91222221.. .... 4 .... CLAMP, HOSE
539 97694422.. .... 1 .... HCS 7/16-20 x 3½
539 11006423.. .... 1 .... WASHER, CLUTCH
539 91632524.. .... 1 .... VALVE, FUEL
532 19610525.. .... 1 .... SPRING, DECK DRIVE
539 10136226.. .... 1 .... HOSE, DRAIN
539 10136427.. .... 1 .... PLUG, OIL
539 10136328.. .... 1 .... CLAMP
539 99036229.. .... 1 .... SCREW ¼-20 x 5/8 SLF TAP
539 10563730.. .... 1 .... HARNESS, CLUTCH
539 99058531.. .... 1 .... NUT 5/16-18 WHIZLK
539 99066932.. .... 1 .... HCS 5/16-18 x 1¾
7
ENGINE PLATE
965881401
21
22
27
26
30
24
25
1
20
11
10
23
13
34
2
3
4
14
35
33
8
7
5
10
31
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20
19
6
9
16
18
25
12
29
28
17
32
8
ENGINE PLATE
ITEM PARTNO. QTY. DESCRIPTION ITEM PARTNO. QTY. DESCRIPTION
510 1720021.. .... 1 .... PLATE, ENGINE
532 1599552.. .... 1 .... EXHAUST TUBE, RT
532 1605893.. .... 1 .... EXHAUST TUBE, LT
539 1316044.. .... 1 .... MUFFLER ASM TWIN
539 1120925.. .... 1 .... ARM, IDLER
539 1012316.. .... 1 .... SPINDLE, IDLER
539 1126707.. .... 1 .... WASHER, HEAVY
539 1103118.. .... 1 .... PULLEY, IDLER
539 1034339.. .... 1 .... HCS ½-13 x 3¼
539 10955410.. .... 2 .... WASHER ½ FLT
539 10133111.. .... 1 .... NUT ½-13 HEX NYLOC
505 28730112.. .... 1 .... CLUTCH
510 26040213.. .... 1 .... BRACKET, MUFFLER
510 26050214.. .... 1 .... GUARD, MUFFLER
539 11453015.. .... 1 .... PULLEY, ENGINE
539 11225216.. .... 1 .... SPACER
510 24600217.. .... 1 .... STOP, CLUTCH
3
539 10938918.. .... 1 .... HCS
/8-16 x 3½ TPBLT
539 99069219.. .... 2 .... WASHER
5
/16 STD FLT
539 97697920.. .... 2 .... NUT 3/8-16 HEX NYLOC
539 10747521.. .... 4 .... BOLT 5/16-18 x ¾ THD FRM
539 99031622.. .... 1 .... RHSNB 5/16-18 x ¾
539 99020823.. .... 2 .... RHSNB 5/16-18 x 1
532 19610524.. .... 1 .... SPRING, DECK DRIVE
539 11289925.. .... 5 .... NUT 5/16-18 FLANGE NYLOC
539 11042526.. .... 2 .... FUEL LINE 5"
539 91222227.. .... 4 .... CLAMP, HOSE
539 97694428.. .... 1 .... HCS 7/16-20 x 3½
539 11006429.. .... 1 .... WASHER, CLUTCH
539 91632530.. .... 1 .... VALVE, FUEL
539 12061631.. .... 4 .... HHFS 3/8-16 x 1 THD FRM
539 10136232.. .... 1 .... HOSE, DRAIN
539 10136433.. .... 1 .... PLUG, OIL
539 10136334.. .... 1 .... CLAMP
539 99036235.. .... 1 .... SCREW ¼-20 x 5/8 SLF TAP
9
ENGINE PLATE
965881301
Prior to Serial #101825204
2
3
31
15
20
19
23
1
14
9
8
24
34
14
17
26
10
27
25
16
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27
11
30
37
36
35
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5
6
33
8
7
13
12
28
21
18
29
32
22
ENGINE PLATE
ITEM PARTNO. QTY. DESCRIPTION ITEM PARTNO. QTY. DESCRIPTION
510 1720021.. .... 1 .... PLATE, ENGINE
532 1466992.. .... 1 .... EXHAUST TUBE, RT
532 1467003.. .... 1 .... EXHAUST TUBE, LT
539 1316044.. .... 1 .... MUFFLER ASM TWIN
539 1120925.. .... 1 .... ARM, IDLER
539 1103116.. .... 1 .... PULLEY, IDLER
539 1013327.. .... 1 .... HCS ½-13 x 2¾
539 1095548.. .... 2 .... WASHER ½ FLT
539 1013319.. .... 1 .... NUT ½-13 HEX NYLOC
510 26040210.. .... 1 .... BRACKET, MUFFLER
510 26050211.. .... 1 .... GUARD, MUFFLER
539 10938912.. .... 1 .... HCS 3/8-16 x 3½ TPBLT
539 99069213.. .... 2 .... WASHER 5/16 STD FLT
539 97697914.. .... 2 .... NUT 3/8-16 HEX NYLOC
539 10747515.. .... 2 .... BOLT 5/16-18 x ¾ THD FRM
539 99031616.. .... 2 .... RHSNB 5/16-18 x ¾
539 91275717.. .... 1 .... KEY ¼ SQ x 1¼
539 11289918.. .... 5 .... NUT 5/16-18 FLANGE NYLOC
539 11042519.. .... 2 .... FUEL LINE 5"
539 91222220.. .... 4 .... CLAMP, HOSE
539 11199021.. .... 1 .... HCS 7/16-20 x 2 GR8
539 10650422.. .... 1 .... WASHER, HEAVY
539 91632523.. .... 1 .... VALVE, FUEL
522 44250224.. .... 1 .... STOP, CLUTCH
532 12061625.. .... 4 .... HHFS 3/8-16 x 1 THD FRM
525 43500126.. .... 1 .... PULLEY, DRIVE
539 99020827.. .... 2 .... RHSNB 5/16-18 x 1
539 99024728.. .... 1 .... WASHER 5/16 SLW
539 91021029.. .... 1 .... KEY ¼ SQ x 2
539 99036230.. .... 1 .... SCREW ¼-20 x 5/8 SLF TAP
532 19610531.. .... 1 .... SPRING, DECK DRIVE
539 11343732.. .... 1 .... CLUTCH, 150 FT/LBS
522 43250133.. .... 1 .... PIVOT, IDLER
539 11267034.. .... 1 .... WASHER, HEAVY
539 10136235.. .... 1 .... HOSE, DRAIN
539 10136436.. .... 1 .... PLUG, OIL
539 10136337.. .... 1 .... CLAMP
11
ENGINE PLATE
965881301
Serial #101825204 and later
2
3
23
20
19
34
15
31
16
1
14
9
8
13
17
18
14
10
27
37
25
24
4
27
11
30
36
35
12
33
5
6
8
7
12
26
29
32
22
28
21