Note: When ordering parts, you must use the part number as shown for each part, not the item number. Always give
the model and serial number to your parts and service represen tative.
Note: Items sold in bulk such as seals and hoses are sold by the foot.
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 nece ssary, 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.
108604 10/081-1
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 va lues 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
13595473595472STEP TREAD
23955333955331FLOOR PLATE
33056153056152STEP TREAD
40866600866602NT .375-16 HX LK NY
57679547679544FW .406 X .812 X .060 SAE HD ZN
60528600528602CS .375-16 X 1.25 HX G5 ZNYC
77818807818802RUBBER BUMPER
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Do not tighten, Floor must be able to pivot on these bolts.
108604 10/082-3
2-4108604 10/08
Chapter 3 Contents
Hydraulic System Installation—Kawasaki 31 HP HT Engine. . . . . . . 3-2
108604 10/083-1
Hydraulic System Installation—Kawasaki 31 HP HT Engine
11
12
26
14
15
15
15
13
30
28
29
16
17
34
33
37
38
18
19
20
19
39
25
27
21
39
1
2
2
6
5
4
36
7
8
9
2
10
23
35
14
15
13
24
31
32
3
5
27
40
22
28
40
3-2108604 10/08
Hydraulic System Installation—Kawasaki 31HP HT Engine
INDEX
NO.
100342720342724NT .312-18 HX G5 ZNYC
117685237685234FW .343 X .687 X .051/.080 HD ZNYC
120559470559472CS .250-20 X .50 HX G5 ZNYC
137880427880422PUMP, HYDRO-GEAR BDP-21L-408
140081930081934NT .500-13 HX G5 ZNYC
1576796276796212FW .531 X 1.063 X .090 SAE HD ZN
167839287839281ZAF SERIES FILTER HEAD
177839367839361FILTER ELEMENT
181096041096041REMOTE AIR MOUNT BRACKET W/A
190778590778598CS .500-13X3.250 HX G5
207893397893391MOTOR, WHITE RC26 CCW
216012606012601MOTOR, WHITE RC26 CW
227004847004842HOSE CLAMP
23601629N/A2HOSE, COOLER-LT RES
24601628N/A2HOSE, LEFT PUMP-COOLER
25601627N/A2HOSE, COOLER-RT RES
26601626N/A2HOSE, RIGHT PUMP-COOLER
27784082N/A2FITTING, #8 BEADED TUBE-ORB 90°
28781534N/A4FITTING, STR-8MORB/-8MSL
29781658N/A1HEX PLUG FITTING, STR-8MORB
30784025N/A1SUCTION HOSE ASSY, FILTER-PUMP
31783993N/A1SUCTION HOSE ASSY, FILTER-PUMP
32788174N/A1FITTING, T -8MJIC/8MJIC
33601687N/A1FITTING, 10 FX05-S
34601631N/A1SUCTION HOSE, #12 16" LONG
35601265N/A1TUBE, LP-BM LT LOOP
36601264N/A1TUBE, RP-TM LT LOOP
37601284N/A1TUBE, RP-TM RT LOOP
38601285N/A1TUBE, LP-BM RT LOOP
39781526N/A4FITTING, 90-10MORB/-8MSL
40784108N/A2FITTING, #6 BEADED TUBE-ORB 45°
SERVICE
PART NO.
17056087056084CS .250-20 X 2.25 HX G5 ZNYC
276851576851510FW .281 X .625 X .051/.080 HD ZNYC
37131987131986SEAL 3/8 X 3/4 X 7.25" LONG
40330350330352WEATHERSTRIP .12 X .75 X 11.75" LONG
57837047837042OIL COOLER
60685510685514NT .250-20 HX NL ZNYC
70327630327631BREATHER CAP
80327710327711STRAINER
93576163576161SUPER Z RESERVOIR
N/A6016161HYDRO KIT (INCLUDES ITEMS 23-40)
MFG. PART
NO.
QTYDESCRIPTION
NOTES:
1. Hydraulic system capacity is 5 US quarts of 20W50 motor oil. Fill
reservoir to within 1"of top of Item 8 (032771 Strainer).
108604 10/083-3
Note:
HYDRAULIC SYSTEM CHARGING PROCEDURE
1. Set handles in the neutral position.
2. Start engine at idle.
3. Let run for a minimum of 30 seconds.
4. Stroke handles to forward position.
5. If motors do not turn in 15 seconds return handles to neutral and
repeat step 3 and 4 (one time).
6. If motors do not turn after second attempt, shut off the engine
and check for oil at the pump.
7. Increase throttle to half speed and work handles through forward
and reverse position until the motor operates smoothly
throughout the entire speed range.
Seal Kit for hydraulic pump; 784983 (BDP21L Overhaul Seal Kit)
176795476795412FW .406 X .812 X .060 SAE HD ZN
27685237685238FW .34 3X .687 X .051/.080 HD ZN/YL
30236550236552NT .312-24 HXZY NL
47829797829792CS .375-16 X 4.75 HX G5 ZN
50631980631984CS 10-24 X .750 HXFLK ZN
67812117812112PUSH BUTTON SWITCH
70598320598324NT #10-24 HX NL ZN
80342720342724NT .312-18 HX G5 ZN
90545020545024NT .375-16 HX GRD 5 ZN
103540353540352WHITE BRAKE LEVER EXTENSION
110051160051164CS .375-16 X 1.375 HX G5 ZN
123503973503972BRAKE LINK TURNBUCKLE
133503303503301L.S. BRAKE PIVOT ARM
147653397653394BUSHING
150866600866602NT .375-16 HX LK NY
167831267831261LH WHITE BRAKE ASSY
177893217893212WHITE HUB ASSEMBLY
180362360362364CS .312-18 X 1.000 HX G5 ZN
19789644N/A2NUT FOR WHITE MOTOR (RC28)
20601344N/A2KEY FOR WHITE MOTOR
217129277129278FW .344 X 1.00 X .12 HRD ZNYC
220488760488768CS .312-18 X .750 HX G8 ZNYC
SERVICE
PART NO.
3502643502641R.S. BRAKE PIVOT ARM
7831187831181RH WHITE BRAKE ASSY
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 280-310 ft.-lbs. Included with wheel motor.
2. Torque to 24 ft.-lbs.
3. 783126 used on left wheel.
4. 783118 used on right wheel.
108604 10/084-7
Steering Assembly
18
7
5
16
5
17
6
1
2
3
4
8
6
15
14
6
9
10
6
11
12
13
14
6
7
18
6
5
4
6
SEE “Steering
Sub-Assembly” on
page 4-10
4-8108604 10/08
Steering Assembly
ITEM
NO.
11106791106791STEERING CONTROL PANEL
27817167817162SS .500-13 X 1.75 SH ZN
30531990531992NT .500-13 HX JAM ZN
40558220558228CS .375-16 X .750 HX G5 ZN
57679547679548FW .406 X .812 X .060 SAE HD ZN
676852376852316FW .34 3X .687 X .051/.080 HD ZN/YL
70236550236554NT .312-24 HXZY NL
87812867812862PUMP ROD ADJUSTER ASSEMBLY
96002216002212CENTERING DAMPENER
107819227819224DAMPENER BALL STUD
110298760298762LW .312 INT-EXT TOOTH Z
123476843476842SUPER Z PUMP ARM
137041637041632CS .250-20 X 2.00 HX G5 ZN
147685157685154FW .281 X .625 X .051/.080 HD ZN/YL
150685510685512NT .250-20 HX NL ZN
163487973487972ADJUSTABLE PIVOT
170362440362446CS .375-16 X 1.000 HX G5 ZN
180342720342724NT .312-18 HX G5 ZN
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
108604 10/084-9
Steering Sub-Assembly
2
18
4
7
6
8
9
14
10
12
13
3
5
11
1
17
10
3
7
3
16
15
19
21
20
1
2
4-10108604 10/08
Steering Sub-Assembly
ITEM NO.
1781260N/A1STEERING BAR GRIP
23487553487551STEERING BAR
376795476795416FW .406 X .812 X .060 SAE HD ZN
40362440362444CS .375-16 X 1.000 HX G5 ZN
57051787051786CS .375-16 X 1.750 HX G5 ZN
60236550236552NT .312-24 HXZY NL
77685237685234FW .343X .687 X .051/.080 HD ZN/YL
83489463489462STEERING ARM MOUNT
93488883488881STEERLEVER SUPPORT LH (SHOWN)
107811537811534BUSHING
117817167817162SS .500-13 X 1.75 SH ZN
127815837815832BRAKE ROD ASSEMBLY
130866600866606NT .375-16 HX LK NY
143488623488624STEERLEVER BUSHING
15601769N/A1GRIP, RH HANDLE LOWER
16601768N/A1GRIP, RH HANDLE END
170536600536601RP .125DX1.000 LG ZN
181106741106741TILT SWITCH HOUSING
191106811106811KEY, TILT SWITCH HANDLE
206017276017271TILT SWITCH WIRE HARNESS
211106801106801STEERING HANDLE W/A
SERVICE
PART NO.
3487143487141STEERLEVER SUPPORT RH
MFG. PART
NO.
QTY.DESCRIPTION
NOTES:
1. Includes Item 1 (781260 Steering Bar Grip).
2. Includes Item 15 (601769 Lower Handle Grip) and Item 16 (601768 End
Handle Grip)
108604 10/084-11
Pump Belt and Pulleys Installation
1
4
3
TRACTOR
FRAME
2
1
2
3
4
7
10
11
12
13
15
16
17
18
19
21
5
23
8
7
11
20
9
24
25
26
25
6
11
11
10
14
27
22
4-12108604 10/08
Pump Belt and Pulleys Installation
ITEM
NO.
16014626014621ENGINE PULLEY
22120762120761KEY 1/4 SQ X 1.50 LONG
36013116013111WARNER CLUTCH
47838297838291FW .460 X 1.750 X .250 ZNYC
57856597856591CS .437-20 X 2.50 HX G5 ZNYC
60831960831964SS .312-18X .750 SQ-HD ZN
76014616014612PULLEY BDP-21
87837127837122KEY FOR BDP21L
97912517912511CLUTCH PIGTAIL HARNESS WITH DIODE
100081930081932NT .500-13 HX G5 ZNYC
117679627679624FW .531 X 1.063 X .090 SAE HD ZN
120165270165272CS .500-13 X 1.00 HX G5 ZNYC
133667653667651CLUTCH ANCHOR ANGLE
147849187849182RUBBER BUMPER
153497613497611PUMP IDLER ARM
160154950154951STRAIGHT GREASE FITTING
170252960252961FW .760 X 1.625 X .08 ZN
180611010611011NT .750-10 HX NL ZN
197818567818561IDLER PULLEY
200281180281181FW .62 X 1.00 X.134 ZN
217818727818721CS .625-11 X 1.50 HX G5 ZN
226010166010161IDLER SPRING
236014636014631A-SEC PUMP IDLER BELT
240362360362361CS .312-18 X 1.00 HX G5 ZNYC
257685237685232FW .343 X .687 X .051/.080 HD ZNYC
260342720342721NT .312-18 HX G5 ZNYC
277976547976541FW 1.156X1.750X.250 ZY
SERVICE
PART NO.
MFG.
PART NO.
QTYDESCRIPTION
NOTES:
1. Torque to 45-48 ft-lbs.
2. Torque to 12-15 ft-lbs.
3. Apply grease at zerk (see owners manual).
4. Do not torque Item 18 (NT .750-10 HX NL ZN), Item 15 (349761 Pump
Idler Arm) should pivot freely.
5. Electric clutch burnishing procedure: After installing a new clutch it is
important to burnish the clutch to insure maximum deck clutch life. In an
open area with no bystanders set the engine speed to half throttle. Cycle
the deck clutch on for 15 seconds, and then off for 15 seconds. Repeat
this operation 10 times, it will require about 5 minutes to complete.