IMPORTANT: This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to
use or operate this engine on any forest-covered, brush-covered, or grass-covered unimproved land. Other states or federal areas may have
similar laws.
This spark ignition system complies with Canadian ICES-002.
The enclosed Engine Owner’s Manual is supplied for information regarding the U.S. Environmental Protection Agency (EPA) and the
California Emission Control Regulation of emission systems, maintenance and warranty.
Keep this Engine Owner’s Manual with your unit. Should the Engine Owner’s Manual become damaged or illegible, replace
immediately. Replacements may be ordered per the information found in the Product Information section of this manual.
This Manual covers FasTrak 20/52 model 926501, FasTrak 18/44 model 926519, FasTrak 16/44 model 926527, FasTrak 18/52 model 926592, FasTrak 17.5/52 model 926600, FasTrak 17.5/44 model 926774, FasTrak 18/44 model
927442, & Fastrak 20/52 model 927459.
Frequently Ordered Parts
PART NO.DESCRIPTION
784231Pump Drive A-Section Belt
78424952" Deck B-Section Belt
78432244" Deck B- Section, Belt
785626Fuel Filter
785600Honda 18 & 20 HP Air Filter
785618Honda 18 & 20 HP Air Filter Precleaner
785634Honda 18 & 20 HP Engine Oil Filter
787226Honda 16 HP Air Filter
787234Honda 16 HP Engine Oil Filter
786988Air Cleaner Cartridge, Briggs & Stratton
787002Oil Filter, Briggs & Stratton Engine
794370Kohler Paper Air Filter
747303Kohler Engine Oil Filter
068478Kohler Fuel Filter In-line
789511Filter Kit, C-IZT
Service Literature
PART NO.DESCRIPTION
365270FasTrak Owner’s Manual
785642Honda 18 & 20 HP Engine Manual
787242Honda 16 HP Engine Manual
78696217.5 HP Briggs & Stratton ELS Engine Manual
794313Kohler Courage Engine Manual
Note: When ordering parts, you must use the p art numb er a s shown for ea ch part, not the index number. Always give
the model and serial number to your parts and service representative.
Note: Items sold in bulk such as seals and hoses are sold by the foot
365262 6/061-1
Using this manual
Illustrations used were current at the time of printing, but subsequent production changes may cause your machine to
vary slightly in detail. Excel Industries, Inc. reserves the right to redesign and change the machine as deemed necessary, without notification. If a change has been made to your machine which is not reflected in this parts manual, see
your Hustler dealer for current information and parts.
Hardware Description Codes & Abbreviations
The following codes are used throughout this parts manual. Refer to this list when ordering parts.
HXHex Head
LWLock Washer
MBMachine Bushing
MSMachine Screw
NTNut
SCSelf Tapping Cap Screw
SHSocket Head
SBShoulder Bolt
SSSet Screw
ODOutside Diameter
IDInside Diameter
Standard Torques
The following chart lists the standard torque values for the threaded fasteners found in this manual. Torque all cap
screws, nuts and set screws to these values unless a different torq ue is shown in the Notes section n ext to the fastener
2. Used on mowers with Briggs & Stratton engines, and Honda 16 HP
engines.
3. Used on mowers with Honda 16 HP Engines.
4. Used on mowers with Kohler engines
5. Used on mowers with Briggs & Stratton engines.
365262 6/063-3
Deck Lift Assembly
1
11
3
2
4
5
3
4
1
16
10
3
3
5
8
6
7
14
15
4
8
9
12
6
1
13
8
8
7
8
16
3
7
4
1
16
4
3
1
16
7
8
6
3-4365262 6/06
Deck Lift Assembly
INDEX
NO.
107812297812291CE .750 X 2.25 X 1.75 HEADLESS
117844887844881DECK LIFT INDICATOR
127562707562701CS .312-18 X 1.50 FLTHR GR5 ZNYC
130342720342721NT .312-18 HX G5 ZNYC
143484583484581DECK LEVELER YOKE
157679627679622FW .531 X 1.063 X .090 SAE HD ZN
160154950154954GREASE FITTING STRAIGHT
SERVICE
PART NO.
13483183483181STOP HANDLE
23482843482841HEIGHT ADJUSTOR STOP
37812947812947CLIP E, 1.00 X .625 X .050
47846867846866FW .812 X 1.469 X .134 THK ZNYC
57829950188462DECK LIFT SPRING
60557490557493CS .437-14 X 1.750 HX G5 ZNYC
73601313601314DECK LIFT CHAIN
87046437046438NT .437-14 HX FLG ZN
97818317818311CS.437-14 X 1.750 FULTH G5 ZNYC
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Apply grease to zerks (see owners manual).
365262 6/063-5
Steering and Brake Assembly
1
2
22
4
5
12
8
7
9
24
9
8
14
18
4
24
8
23
12
8
21
22
25
8
19
11
24
9
20
7
8
4
4
10
3
6
20
19
8
17
10
11
8
12
8
16
11
13
8
3
6
8
11
19
27
26
18
11
33
11
25
8
12
24
}
5
24
8
32
19
32
31
20
32
8
19
4
8
20
3
4
8
19
4
3
29
12
8
12
12
18
19
19
4
30
26
28
8
12
8
5
9
8
15
13
8
3-6365262 6/06
Steering and Brake Assembly
INDEX
NO.
3
1
103622513622512CRANK PIVOT
110362360362369CS .312-18 X 1.000 HX G5 ZNYC
1203427203427212NT .312-18 HX G5 ZNYC
137844057844052FIXED ASSEMBLY PUMP ROD
147843557843551LH PUMP ROD ADJUSTER ASSEMBLY
157843717843711RH PUMP ROD ADJUSTER ASSEMBLY
167812117812112PUSH BUTTON SWITCH
170631980631984CS 10-24 X .75 HXFLK ZNYC
180598320598326NT #10-24 HX NL ZN
197708677708678PLASTIC BUSHING, .750 X 1.00 X .50
207844397844394LOCK COLLAR .750"
213597373597372BRAKE TUBE
223597453597452BRAKE LINK
237844217844212BRAKE TENSION SPRING
240236550236556NT .312-24 HX NL ZNYC
250172510172512CP .156D X 1.000 LG HML ZN
267851627851622SB .250 X 1.00 SH #10-24 ZNYC
277878797878791LH ROLLER ARM
2
287878877878871RH ROLLER ARM
2
293631763631761LEFT STEER ARM SUPPORT
303615503615501RIGHT STEER ARM SUPPORT
317836967836962CENTERING DAMPENER
327819227819224DAMPER BALL STUD
333612953612951PIVOT TUBE
SERVICE
PART NO.
1781260N/A2STEERING BAR GRIP
23604873604872STEERING BAR
30866600866606NT .375-16 HX LK NY
476795476795414FW .406 X .812 X .060 SAE HD ZN
57051787051786CS .375-16 X 1.750 HX G5 ZNYC
63638123638122STEER ARM SUPPORT
73606773606772STEERCRANK LEVER
876852376852331FW .343 X .687 X .051/.080 HD ZNYC
9768259N/A4INGUS BUSHING, #MFI-0810-05
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Includes two (2) of 768259 (Ingus Bushing, #MFI-0810-05).
2. Includes 078386 FW and 784819 Retaining Ring.
3. Includes Item 1 (781260 Steering Bar Grip).
365262 6/063-7
Hydro Transmission Installation
2
4
8
2
3
4
11
13
12
13
3
5
6
9
10
12
13
1
7
11
11
14
18
PARKING
PAWL
13
15
13
11
19
14
11
13
13
17
14
15
14
TRACTOR
FRAME
16
13
13
11
15
3-8365262 6/06
Hydro Transmission Installation
INDEX
NO.
100501610501611CS .312-18 X 1.750 HX G5 ZNYC
1103427203427214NT .312-18 HX G5 ZNYC
120430670430676CS .312-18 X 3.00 HX G5 ZNYC
1376852376852314FW .343 X .687 X .051/.080 HD ZNYC
1471292771292710FW .344 X 1.00 X .12 HRD ZNYC
157851137851136CS .312-18 X 4.250 HX G5 ZNYC
163612123612121LOWER MOUNT SUPPORT
177880677880671LEFT PUMP/MOTOR COMBO
187880597880591RIGHT PUMP/MOTOR COMBO
197863017863011IZT BREATHER SLEAVE
SERVICE
PART NO.
17842317842311A-SECTION PUMP BELT
20250070250072CS .625-11 X 1.750 HX G5 ZNYC
30281180281182FW .62 X 1.00 X .134 ZNYC
478482778482724.00"OD, 5/8"ID IDLER PULLEY
50611010611011NT .750-10 HX NL ZN
60252960252961FW .760 X 1.625 X .08 ZNYC
77811537811532UHMW BUSHING
83637883637881PUMP IDLER
97813027813021IDLER SPRING
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Service parts for Left/Right Pump/Motor Combo:
784306RIGHT HAND PARKING PAWL
784314LEFT HAND PARKING PAWL
785725FAN
785717PULLEY
785733SEAL KIT
365262 6/063-9
To wlink Installation
2
TRACTOR
ASSEMBLY
2
3
2
1
1
2
1
BYPASS ARM
FOR MOWERS WITH KOHLER ENGINES
BYPASS ARM
FOR MOWERS WITH HONDA ENGINES
INDEX
NO.
17862697862692TOW RELEASE LINK
20668780668782CP .094 X .500 LG HML ZN
37946517946511TOW LINK, LH FST KOH
100003980003981CLAMP
117848687848681FASTRAK WIRE HARNESS
120249270249272NT .250-20 HX GR 5 ZNYC
130170380170382LW .250 MED SPRING ZNYC
14785477N/A1HONDA 20 AMP RECTIFIER
150560770560772CS .250-20 X 1.00 HX G5 ZNYC
167685157685152FW .250 X .560 X .04 SAE ZNYC
177123727123721KEY 1/4 SQ X 0.66 LONG
187866167866161PUMPDRIVE PULLEY
197848357848351FASTRAK CLUTCH
207634177634171FW .454 X 1.50 X .250
217850487850481CS .437-20 X 3.00 HX G5 ZNYC
22785063N/A1POSITIVE BATTERY CABLE
23785071N/A1NEGATIVE BATTERY CABLE
240342720342725NT .312-18 HX G5 ZNYC
257685237685233FW .343 X .687 X .051/.080 HD ZNYC
267129277129274FW .344 X 1.00 X .12 HRD ZNYC
270298760298764LW .312 INT-EXT TOOTH ZNYC
280528370528374CS .312-18 X 1.500 HX G5 ZNYC
290003310003311SMALL/SHORT WIRE TIE
30791251N/A1CLUTCH WIRE HARNESS PIGTAIL
317849187849181RUBBER BUMPER
SERVICE
PART NO.
17846297846291HONDA 20HP ENGINE
7846117846111HONDA 18HP ENGINE
2784843784843118/20 HONDA MUFFLER
37201777201772CS M 8-1.25 X 20 10.9 HX FL ZNYC
47853787853781EXHAUST PIPE CLAMP
57849597849591FASTRAK MUFFLER MANIFOLD
6785543N/A2HONDA (20) MUFFLER GASKET
7017004N/A4LW .312 MED SPRING ZNYC
8782664N/A4NT M8-1.25 HX STAINLESS STEEL
90501610501611CS .312-18 X 1.75 HX G5 ZNYC
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Part of Item 11 (784868 FasTrak wire harness).
2. Two wires.
3. Connected to Item 11 (784868 FasTrak wire harness).
4. Torque to 45-48 ft-lb.
5. Engine oil capacity; 2.3 US qts. (with filter), see engine manual.
6. Engine speed; High speed - 3450 ±50 RPM.
365262 6/064-3
Honda 16 HP Engine Installation
PART OF
ENGINE
12
7
2
1
3
4
5
12
32
{
6
8
10
FROM
RECTIFIER
1
PART OF
ENGINE
9
BLK
12
11
13
1
RED
RED/BLK
1
YEL
16
14
15
14
1
20
18
33
4
9
CONNECTED
TO ITEM 11
17
19
21
ROUTE CARBURATOR
OVERFLOW HOSE
AS SHOWN
TO
ENGINE
(4 WIRES)
22
23
24
26
28
30
31
25
27
29
2
4-4365262 6/06
Honda 16 HP Engine Installation
INDEX
NO.
107129277129274FW .344 X 1.00 X .12 HRD ZNYC
117861787861781FASTRAK 16 HONDA WIRE HARNESS
12739144792796
13786640N/A1NEGATIVE BATTERY CABLE
147252677252672FW .318 X .472 X .047 ZN
15786632N/A1POSITIVE BATTERY CABLE
167826647826641NT M8-1.25 HX STAINLESS STEEL
177685157685152FW .250 X .560 X .04 SAE ZNYC
180170380170382LW .250 MED SPRING ZNYC
190560770560772CS .250-20 X 1.00 HX G5 ZNYC
200249270249272NT .250-20 HX GR.5 ZNYC
21787267N/A1HONDA 16 AMP RECTIFIER
220298760298764LW .312 INT-EXT TOOTH ZNYC
230501610501614CS .312-18X1.750 HX G5 ZNYC
247123727123721KEY 1/4 SQ X 0.66 LONG
250003310003311SMALL/SHORT WIRE TIE
267866167866161PUMPDRIVE PULLEY
27791251N/A1CLUTCH WIRE HARNESS PIGTAIL
287848357848351FASTRAK CLUTCH
297849187849181RUBBER BUMPER
307634177634171FW .454 X 1.50 X .250
317850487850481CS .437-20 X 3.00 HX G5 ZNYC
32378273378273116HP EXHAUST HEAT SHIELD
330435700435701SINGLE HOSE CLIP
SERVICE
PART NO.
17853947853941HONDA 16 HP ENGINE
2785410785410116 HONDA MUFFLER
30342800342802CS .312-18 X .750 HX G5 ZNYC
47685237685235FW .343 X .687 X .051/.080 HD ZNYC
57853787853781EXHAUST PIPE CLAMP
6785543N/A2HONDA MUFFLER GASKET
70052310052314NT M6-1.0 X10 HX FLG ZN
87854027854021FASTRAK 16 HP MUFFLER MANIFOLD
90342720342727NT .312-18 HX G5 ZNYC
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Part of item 11 (786178 FasTrak 16 Honda Wire Harness).
2. Torque to 45-48 ft-lb.
3. Engine oil capacity; 1.37 US qts. (with filter), 1.22 US qts. (w/o filter), see
engine manual.
4. Engine speed; High speed - 3450 ±50 RPM.
365262 6/064-5
Briggs & Stratton 17.5 HP Engine Installation
6
7
}
8
5
1
2
3
26
27
7
PART OF
9
1
7
ENGINE
23
24
BLK
1
1
30
PUR
RED
27
11
1
1
17
18
10
15
9
25
26
31
28
26
14
BRN
TAN/RED
PUR
RED/BLK
29
26
27
4
12
13
26
27
26
16
19
20
21
3
22
4-6365262 6/06
2
Briggs & Stratton 17.5 HP Engine Installation
INDEX
NO.
107869547869541FITTING 90, -6MPT/-6FPT
11771378771378116.00” PUSHLOC HYDRO HOSE
120298760298764LW .312 INT-EXT TOOTH ZNYC
130501610501614CS .312-18X1.750 HX G5 ZNYC
147129277129274FW .344 X 1.00 X .12 HRD ZNYC
150003310003311SMALL, SHORT WIRE TIE
16791251N/A1CLUTCH PIGTAIL WIRE HARNESS
1771237271237211/4 SQ X 0.66 LONG KEY
187866167866161PUMPDRIVE PULLEY
197848357848351FASTRAK CLUTCH
207849187849181RUBBER BUMPER
217634177634171FW .454 X 1.50 X .250
227850487850481CS .437-20 X 3.00 HX G5 ZNYC
23785071N/A1NEGATIVE BATTERY CABLE
247861867861861FASTRAK 17.5 WIRE HARNESS
257688207688201BATTERY CABLE
267685157685157FW .281 X .625 X .051/.080HD ZNYC
270249270249275NT .250-20 HX GR.5 ZNYC
280559470559472CS .250-20 X .500 HX G5 ZNYC
290442550442551NT #10-32 HX ZN
30786632N/A1POSITIVE BATTERY CABLE
310308170308171STARTER SOLENOID
SERVICE
PART NO.
17860047860041BRIGGS 17.5 HP ELS SINGLE ENGINE
27808417808411MUFFLER GASKET
3786012786012117.5 HP BRIGGS MUFFLER MANIFOLD
40162870162872CS .312-18 X 1.00 HXFLK ZNYC
57854107854101MUFFLER
60342800342802CS .312-18 X .75 HX G5 ZNYC
77685237685235FW .343 X .687 X .051/.080 HD ZNYC
878537878537811.50" MUFFLER CLAMP
90342720342726NT .312-18 HX G5 ZNYC
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Part of Item 24 (786186 FasTrak 17.5 HP B & S Wire Harness).
2. Connected to Item 24 (786186 FasTrak 17.5 HP B & S Wire Harness).
3. Torque to 45-48 ft-lb.
4. Engine oil capacity; 1.5 US qts. (see engine manual).
5. Engine speed; High speed - 3450 ±50 RPM.
365262 6/064-7
Kohler 18 & 20 HP Engine Installation
1
TO STARTER
8
FROM NEGATIVE
BATTERY TERMINAL
2
3
1
4
5
7
5
TO STARTER
SOLENOID
RED/BLK
6
FROM POSITIVE
BATTERY TERMINAL
5
9
2
25
21
26
29
24
23
1
21
30
35
YEL
27
20
19
36
22
25
2
10
11
5
9
14
15
16
3
32
20
28
13
12
20
17
18
31
38
33
37
34
4-8365262 6/06
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