Hustler 25999 User Manual
72” Heavy Duty
Dual Trim Deck
Parts Manual
025999 Rev 8/04
•••••••
Hustler Turf Equipment
•••••
P.O. Box 7000
•••
Hesston, Kansas
•
67062-2097
Chapter 1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Chapter 2 Contents
Deck Assembly (923011, 923243, 924563 & 924571) . . . . . . . . . . 2-2
Deck Subassembly (923011, 923243, 924563 & 924571) . . . . . . . 2-4
Deck Assembly (923078 & 924175) . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Deck Subassembly (923078 & 924175) . . . . . . . . . . . . . . . . . . . . . 2-8
Idler Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Deflector Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Spindle Assembly-506212 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Chapter 3 Contents
Gauge Arm Assembly - 466888 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Chapter 4 Contents
Gearbox Breakdown - 532861 (Agrigear) . . . . . . . . . . . . . . . . . . . . 4-2
Gearbox Breakdown - 504399 (IBT) . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Gearbox Breakdown - 533711 (Agrigear) . . . . . . . . . . . . . . . . . . . . 4-6
Table of Contents
Chapter 5 Contents
Decal Group - All Decks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i-1
025999 8/04
025999 8/04
Chapter 1
General Information
This manual cover 72" Heavy-Duty Dual Trim Deck models: 923011, 923078 (602D), 923243, 924175,
(6400) 924563 & 924571
Frequently Ordered Parts
PART NO. DESCRIPTON
025585
72" Deck Dual Drive Belt
Service Literature
PART NO. DESCRIPTION
025627
374041
Note: When ordering parts, you must use the service part number as shown for each part, not the index number.
Always give the model and serial number to your parts and service representative.
Note: Parts painted blue are no longer available.
Note: Items sold in bulk such as seals and hoses are sold by the foot.
Using this manual
HDDT Deck Owner’s Manual
HDDT Deck Assembly Instruction
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 machines as deemed neces
sary, 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.
025999 8/06 1-1
-
Hardware Description Codes & Abbreviations
ABBREVIATION DESCRIPTION
CB
CE
CP
CS
CW
FDRW
FW
HX
ID
LW
MB
MS
NT
OD
SC
SH
SB
SS
Carriage Bolt
Clevis Pin
Cotter Pin
Cap Screw
Cup Washer
Fender Washer
Flat Washer
Hex Head
Inside Diameter
Lock Washer
Machine Bushing
Machine Screw
Nut
Outside Diameter
Self Tapping Cap Screw
Socket Head
Shoulder Bolt
Set Screw
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 screw to these values unless a different torque is shown in the Notes section nest to the fastener.
SIZE FT-LBS NM SIZE FT-LBS NM
.250 8.2 11.1 M3 1 1.3
.312 17 23 M4 2.2 3
.375 30 40 M5 4.5 6.1
.438 48 65 M6 7.7 10.4
.500 73 99 M8 18.5 25
.562 105 143 M10 37 50
.625 145 200 M12 64 87
.750 260 350 M16 160 215
.875 420 565 M20 320 435
1.00 625 850 M24 555 750
Lubricate all grease zerks.
1-2 025999 8/06
Chapter 2 Contents
Deck Assembly (923011, 923243, 924563 & 924571). . . . . . . . . . . . 2-2
Deck Subassembly (923011, 923243, 924563 & 924571). . . . . . . . . 2-4
Deck Assembly (923078 & 924175) . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Deck Subassembly (923078 & 924175) . . . . . . . . . . . . . . . . . . . . . . 2-8
Idler Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Deflector Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Spindle Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
025999 8/06 2-1
Deck Assembly (923011, 923243, 924563 & 924571)
28
24
25
23
26
27
3
4
5
16
6
14
2
7
15
10
9
29
1
2
6
7
3
4
5
3
8
18
17
5
15
5
5
19
2
20
14
21
13
11
12
30
22
16
72" HDDT DECK
SUBASSEMBLY
2-2 025999 8/06
Deck Assembly (923011, 923243, 924563 & 924571)
INDEX
NO.
1
4
1
4
10
1
3
11
1
4
12
1
4
13
1
3
14 064329 064329 6 CS .25-20 X .625 HX G5 ZN
15 073866 073866 6 FW .281 X .50 X .060 ZN
16 016816 016816 6 NT .25-20 HX FL LK ZN
17 466953 466953 2 R/H MOUNT ANGLE
18 408799 408799 2 FLAP
19 068551 068551 10 NT .250-20 HX NL ZN
20 203455 203455 1 SPRING CLIP
21 017277 017277 1 CP .187 X 1.00 LG HML ZN
22 011379 011379 1 TENSION SPRING
1
23 537175 480228 2 TIE DOWN BRACKET
24 016527 016527 2 CS .50-13 X 1.00 HX G5 ZN
25 017137 017137 2 FW .560 X 1.370 X .109 SAE ZN
26 017046 017046 2 LW .50 MEDIUM SPRING ZN
27 008193 008193 2 NT .50-13 HX G5 ZN
28 532911 466888 2 GAUGE ARM ASSEMBLY (SEE 3-2 FOR BREAKDOWN)
29 466946 466946 1 L/H REAR DISCHARGE PANEL #2
30 466938 466938 1 R/H REAR DISCHARGE PANEL #2
SERVICE
PART NO.
1 467001 467001 1 R/H DECK COVER ASSEMBLY
2 467019 467019 1 L/H DECK COVER ASSEMBLY
3 056077 056077 16 CS .25-20 X 1.00 HX G5 ZN
4 017038 017038 6 LW .250 MEDIUM SPRING ZN
5 017079 017079 26 FW .250 X .560 X .040 SAE ZN
6 056069 056069 2 CS .375-16 X .625 HX G5 ZN
7 017129 017129 2 FW .440 X 1.00 X .083 ZN
8
9
373696 373696 1 R/H REAR DISCHARGE PANEL #1
337618 337618 1 R/H REAR DISCHARGE PANEL #2
372268 372268 1 R/H REAR DISCHARGE PANEL #3
373704 373704 1 L/H REAR DISCHARGE PANEL #1
337626 337626 1 L/H REAR DISCHARGE PANEL #2
372284 372284 1 L/H REAR DISCHARGE PANEL #3
MFG. PART
NO.
QTY. DESCRIPTION
NOTES:
1. These items along with 466979 (Owners Manual Pagage) and Bolt Sack
Assembly 372300, are placed in 062117 (Propex Bag), not assembled
to deck.
2. Knock-out to removed only when 26" tires are installed on tractor.
3. Used on 923011, 923243, and 924571.
4. Used on 924563.
5. Used on 923011, 923243, and 924571.
025999 8/06 2-3
Deck Subassembly (923011, 923243, 924563 & 924571)
30
41
22
17
24
23
27
17
23
29
4
18
25
26
20
19
B
17
22
4
1
1
3
2
43
4
29
5
7
20
16
15
8
4
17
4
4
6
28
21
4
16
42
32
34
A
43
4
9
33
31
12
11
10
13
1
14
35
36
37
38
37
39
40
33
32
2-4 025999 8/06
Deck Subassembly (923011, 923243, 924563 & 924571)
INDEX
NO.
10 712372 712372 3 KEY .25 X .25 X .66
11 035808 035808 3 BLADE SADDLE
12 754853 754853 1 24" BLADE (CLOCKWISE)
13 752386 752386 3 CW .515 X 2.250 X .204 ZN
14 753798 753798 3 CS .50-20 X 1.750 HX G5 ZN
15 025601 025601 1 CS .50-13 X 4.62 FULL TD G5 ZN
16 058875 058875 2 MB .510 X .870 X .050 ZN
17 008193 008193 9 NT .50-13 HX G5 ZN
18 480657 480657 1 GEARBOX MOUNT
19 041707 041707 4 NT .437-14 HX G5 ZN
20 773259 773259 8 FW .50 X 1.250 X .064/.104 SAE ZN
21 773242 773242 4 CS .437-14 X 1.250 HX G5 ZN
22 074252 074252 6 CS .50-13 X 1.50 HX G5 ZN
23 036715 036715 2 WOODRUFF KEY
24 532861 466664 1 GEARBOX (924563 & 923243 AFTER S/N 6557482)
25 504969 504969 1 DOUBLE DRIVE PULLEY
26 042051 042051 2 SS .375-16 X 1.00 SQ-HD ZN
27 706168 706168 2 NT .375-16 HX JAM G5 ZN
28 028274 028274 2 CB .50-13 X 1.50 FULL ZN
29 017137 017137 4 FW .560 X 1.370 X .109 SAE ZN
30 472936 472936 1 ADJUSTING ARM
31 466854 466854 2 STRINGER SIDE COVER
32 064329 064329 4 CS .25-20 X .625 HX G5 ZN
33 017038 017038 4 LW .250 MEDIUM SPRING ZN
34 073866 073866 2 FW .281 X .50 X .060 ZN
35 024927 024927 2 NT .25-20 HX G5 ZN
36 052837 052837 14 CS .312-18 X 1.50 HX G5 ZN
37 049346 049346 28 FW .375 X .870 X .078 ZN
38 212860 212860 55 DECK CHAIN
39 722306 722306 1 BELTING
40 070557 070557 14 NT .312-18 HX UNT ZN
41 466870 466870 1 CHAIN ROD
42 532887 466631 2 GAUGE ARM MOUNT
43 705954 705954 6 CS .50-13 X 1.250 HX G5 ZN
SERVICE
PART NO.
1 533687 466839 1 72" HDDT DECK
2 025585 025585 2 DUAL DRIVE BELT 72"
3 078378 078378 3 CS .50-20 X 1.50 HX G5 ZN
4 017046 017046 30 LW .50 MEDIUM SPRING ZN
5 078386 078386 3 FW .510 X 1.750 X .180 ZN
6 212076 212076 3 KEY 1/4 X 1/4 X 1 1/2
7 503870 503870 3 DOUBLE DRIVE PULLEY
8 016527 016527 12 CS .50-13 X 1.00 HX G5 ZN
9 506212 249318 3 SPINDLE HOUSING ASSEMBLY (SEE “2-13”)
754879 754879 2 24" BLADE (COUNTER CLOCKWISE)
533711 N/A 1 GEARBOX (923011 & 924571)
MFG.PART
NO.
QTY. DESCRIPTION
NOTES:
1. Torque to 65-75 Ft. Lbs.
2. Spindle assemblies A & B get 754879 blade (counter-clockwise
rotation). Spindle assembly C gets 754853 blade (clockwise rotation).
025999 8/06 2-5
Deck Assembly (923078 & 924175)
3
4
5
6
7
1
2
6
7
26
22
23
21
24
25
4
12
10
11
8
15
14
16
13
3
4
5
17
18
19
10
20
11
9
4
72" HDDT DECK
SUBASSEMBLY
2-6 025999 8/06
12
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