Page 1
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
GTH 2550 B
954567109
Illustrated Parts
List
2001-05
I0102017
Repair Parts Manual Ride Mower
www.mymowerparts.com
Page 2
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
SCHEMATIC
A
AMMETER
(OPTIONAL)
RED
S
B
G
A2L
IGNITION
SWITCH
BLACK
BROWN
TRACTOR - - MODEL NO. GTH2550B
TRACTOR - - MODEL NO. GTH2550B
BLACK
CLUTCH / BRAKE
BLACK
(PEDAL UP)
RED
BLACK
GREEN
BLACK
HOUR
METER
(OPTIONAL)
RED
IGNITION
UNIT
M
A1
RED
BLACK
ORANGE
RED
WHITE
BLACK
GREEN
(NOT OCCUPIED)
BATTERY
FUSE
CG
F
H
B
RED
E
A
D
PTO (DISENGAGED)
SEAT SWITCH
FUEL
LINE
WHITE
BLUE
WHITE
SOLENOID
RED
ELECTRIC CLUTCH
85 86
87
87A
OPERATOR
PRESENCE
RELAY #1
BLACK
SPARK PLUGS
(2 PLUGS
ON TWIN CYL. ENGINES)
M
STARTER
BLACK
30
BLACK
GAP
BLACK
BLACK
IGNITION SWITCH
OFF
CIRCUITPOSITION
M + G + A1
B + A1ON + LIGHTS
B + A1ON
B + S + A1START
“MAKE”
NONE
L + A2
NONE
NONE
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO
PROPERLY SECURE YOUR
WIRING.
FUEL SHUT-OFF
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
RED
87
87A
8586
30
RELAY
REMOVABLE
CONNECTIONS
SOLENOID
RED
PTO SWITCH
OFF
C + G, B + H
C + F, B + E, A + DON
NON-REMOVABLE
CONNECTIONS
31
REGULATOR
28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
BROWN
YELLOW
ALTERNATOR
HEADLIGHTS
CIRCUITPOSITION
G
FC
E
H
A
D
BLACK
B
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Page 3
81
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
ELECTRICAL
TRACTOR - - MODEL NO. GTH2550B
22
21
11
24
27
10
42
25
41
79
43
16
40
27
33
30
D
.
C
.
A
M
P
E
R
E
S
89
46
45
12
8
27
50
26
2
1
12
29
16
28
32
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Page 4
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
ELECTRICAL
TRACTOR - - MODEL NO. GTH2550B
KEY PART
NO. NO. DESCRIPTION
1 532144926 Battery
2 874760412 Bolt Hex Head 1/4-20 x 3/4
8 532124886 Tray, Battery
10 532145211 Bolt, Battery Front 1/4-20 x 7.5 Zinc
11 532150109 Holddown Battery Front Mount
12 532145769 Nut, Push Nylon 1.4" Battery Front
16 532153664 Switch Interlock Push-In
21 532166184 Harness Socket Light w/4152J
22 532004152 Bulb Light
24 532124770 Cable, Battery
25 532146149 Cable, Battery
26 532108824 Fuse
27 873510400 Nut Keps Hex 1/4-20
28 532170697 Cable, Ground
29 532160784 Switch, Plunger Normal Op Olive
30 532175566 Switch, Ign
33 532140401 Key
40 532170238 Harness Ign.
41 817720408 Screw 1/4-20 x 1/2
42 532131563 Cover, Terminal Red
43 532178861 Solenoid
45 532122822 Ammeter
46 532169635 Hourmeter Snap-In
50 532174651 Switch, PTO
79 532163996 Bulbholder Asm
81 532109748 Relay Asm.
89 532169639 Bracket Snap-In Hourmeter
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
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Page 5
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
TRACTOR - - MODEL NO. GTH2550B
CHASSIS AND ENCLOSURES
14
15
25
58
17
21
142
50
44
21
153
18
130
143
36
17
130
17
21
17
24
138
158
37
17
17
28
47
17
20
19
68
2
103
100
91
102
4
5
130
43
17
56
99
101
17
144
90
36
141
7
34
16
148
140
68
35
7
31
122
150
122
8
6
68
17
30
36
106
139
32
70
17
20
33
63
42
45
36
17
17
139
1
17
21
84
60
7
130
130
146
152
17
86
98
39
17
34
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47
Page 6
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
TRACTOR - - MODEL NO. GTH2550B
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 532175465 Rail, Frame RH
2 532175282 Drawbar, Gt
4 873800700 Nut, Lock Hex 7/16 Unc
5 532177582 Dash, Plastic
6 532157882 Dash, 1PCS, Lower
7 817720408 Screw, Thd Cut 1/4-20 x 1/2
8 532145166 Support, Battery
14 532177583 Hood Asm., Pnt
15 532161841 Lens LH
16 532121794 Cover, Access
17 817060612 Screw, 3/8-16 x 3/4
18 532177584 Grille
19 819131312 Washer 13/32 x 13/16 x 12 Ga.
20 874760616 Bolt, Fin Hex 3/8-16 x 1
21 873680600 Nut, Crownlock 3/8-16
24 532147202 Footrest, RH
25 532161842 Lens RH
28 532147203 Footrest, LH
30 532145052 Saddle
31 532161419 Bracket Supt 1-pc Vgt Steering
32 532161327 Bracket, Frame Pivot Lh
33 532161326 Bracket, Frame Pivot Rh
34 532177018 Plate Asm Engine Chassis
35 819111116 Washer 11/32 x 11/16 x 16 Ga.
36 817060512 Screw 5/16-18 x 3/4
37 532169426 Fender, Pnt.
39 532175278 Bracket, Axle Front
42 872140608 Bolt Rdhd Sqnk 3/8-16 Unc x 1
43 532136939 Bracket, Spnsn Front Lh
44 532136940 Bracket, Spnsn Front Rh
45 532154913 Bracket Asm., Susp Chassis Rh
47 817490608 Screw Thdrol 3/8-16 x 1/2
50 532175476 Bracket, Chassis Front
56 532154914 Bracket Asm., Susp Chassis Lh
KEY PART
NO. NO. DESCRIPTION
58 532175315 Bracket Asm., Fender
60 817060620 Screw 3/8-16 x 1-1/4
63 819131614 Washer 13/32 x 1 x 14 Ga.
68 817490508 Screw, 5/16-18 x 1/2
70 532177679 Belt Keeper VGT Ground
84 532142992 Stop, Over Center Mower
86 874760716 Bolt, Fin Hex 7/16-14 Unc x 1
90 811050600 Washer, Lock External Tooth 3/8
91 532175464 Rail, Frame Lh
98 532175847 Bracket Chassis Skid
99 532140871 Rod Asm. Bypass
100 532071673 Cap By Pass Rod
101 817490628 Screw Thdrol. 3/8-16 x 1-3/4
102 532124788 Retainer Spring 1"
103 532142273 Bracket Lock Bypass
106 532138776 Screw Thdrol Hex Head Zinc
122 532161464 Screw Hex WSHD 8-18 x 7/8
130 532164863 Screw Hw Hd Hi-Lo #13-16 x 3/4
138 532166625 Cupholder
139 532171873 Bolt Shoulder 5/16-18
140 532163806 Magnet Stealth
141 532163805 Striker Plate
142 532161897 Bracket Dash Stealth RH
143 532177586 Skirt Grille RH
144 532161900 Bracket Dash Stealth LH
146 532177587 Skirt Grille LH
148 532164655 Extrusion Bumper
150 532161237 Duct Heat Hood
152 532177956 Browning Shield
153 532177585 Lens Asm Headlht Dual
158 817670608 Screw Thdrol 3/8-16 x 1/2
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35
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Page 7
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
GROUND DRIVE
TRACTOR - - MODEL NO. GTH2550B
70
71
83
72
39
40
41
89
82
73
76
74
28
118
81
51
17
81
77
81
84
79
42
85
35
80
67
38
29
86
37
34
87
30
88
117
52
90
64
54
56
6
15
47
48
55
66
6
46
37
38
65
91
77
36
68
50
53
48
115
99
33
69
118
9
7
109
3
2
106
108
107
104
61
20
2
92
93
105
23
22
76
73
94
96
112
100
118
116
118
89
98
99
101
113
89
67
5
111
36
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Page 8
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
GROUND DRIVE
TRACTOR - - MODEL NO. GTH2550B
KEY PART
NO. NO. DESCRIPTION
- - - - - - Transaxle, Hydro 222-3010
(Order Parts From Transaxle
Manufacturer)
2 532007070 Key 1/4 x 2.5
3 532007563 Washer Thrust Axle Harden
5 873680600 Nut Crownlock 3/8-16
6 876020412 Pin Cotter 1/8 x 3/4
7 532140507 Wheel Hub Asm.
9 532140080 Bolt Hub
15 819131316 Washer 13/32 x 13/16 x 16 Ga.
17 532140921 Spring Rod Brake
20 873940800 Nut Hex Jam Toplock 1/2-20
22 532156103 Shaft Arm Asm
23 532140845 Knob
28 873350600 Nut, Hex Jam 3/8-16
29 532140494 Brake Rod
30 819131616 Washer 13/32 x 1 x 14Ga
33 812000053 Ring E
34 532071673 Cap Plunger
35 532137648 Rod Parking Brake
36 532149412 Spring Extension
37 532121749 Washer 25/32 x 1-1/4 x 16 Ga.
38 532150035 Nyliner
39 874321016 Screw Fin #10-24 x 1
40 532178575 Actuator Interlock Switch
41 873931000 Nut Toplock #10-24 Unc
42 532124872 Cover Pedal
46 532145170 Ret ainer Sprin g
47 532138228 Clutch Rod
48 872110612 Bolt Carriage 3/8-16 x 1-1/2 Gr. 5
50 532131494 Pulley Idler Flat
51 873680600 Nut, Crownlock 3/8-16
52 532139123 Pulley Idler Grooved
53 532000207 Washer Hartdened
54 532161590 Arm Asm Idler Clutch 98
55 532105706 Bearing, Idler
56 532140218 V-Belt
61 532140488 Pulley Transaxle
64 532154752 Shaft Asm Brake Parking Clutch
65 532067609 Bolt Shoulder
67 819131312 Washer 13/32 x 13/16 x 12 Ga
68 532005142 Pin Roll
KEY PART
NO. NO. DESCRIPTION
69 532123800 Washer
70 532166624 Console Hydro Fender
71 532151179 Plate Console Shift
72 873800500 Locknut Hex W/Washer Insert
73 874490548 Bolt Hex Flghd 5/16-18 x 3 Gr. 5
74 532142432 Screw, Hex Wsh Hi-Lo 1/4-1/2
76 532140481 Bracket Transaxle
77 874760716 Bolt Fin Hex 7/16-14 x 1
79 872110505 Bolt Carriage 5/16-18 x 5/8
80 532140484 Bracket Torque RH
81 817060612 Screw 3/8-16 x 3/4
82 532150586 Bracket Mount Torque/Fan
83 532140479 Strap Torque Mid
84 532140490 Spacer
85 817541020 Screw #10-24 x 1-1/4
86 532140462 Fan 7" Hydro
87 532140491 Adapter Fan
88 532161592 Pully Idler V-Groove Flange
89 873680700 Nut, Crownlock 7/16-14
90 532140489 Keeper Belt
91 817490644 Screw Thdrol 3/8-16 x 2-3/4
92 874760520 Bolt Fin Hex 5/16-18 x 1.75
93 532140502 Link Shift Asm
94 532133835 Fastner Christmas Tree
96 532141103 Washer Nickel Plated
98 532141004 Bracket Shift
99 817060624 Screw 3/8-16 x 1-1/2
100 532126881 Washer Compression
101 532156106 Washer Bellville
104 532140480 Bracket Idler
105 817580408 Screw Tap 1/4-20 x 1/2
106 532142918 O-Ring Asm Hydro Gear
107 532154739 Line Fuel Hydro 15" VGT Serv
108 532142917 Cap Asm Vent Hydro Gear
109 532140929 Spring Return Brake
111 532156240 Spacer Shift Lever VGTH
112 532156104 Washer Nylon High Temp
113 873220700 Nut Hex ASF 7/16-14 Unc
115 532123405 Keeper Belt T/A GND DR LR
116 873900500 Nut Lock Hex Flange 5/16-18
117 873900600 Nut Lock Flg. 3/8-16 Unc
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
37
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Page 9
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
STEERING ASSEMBLY
TRACTOR - - MODEL NO. GTH2550B
34
33
32
26
25
14
45
1
44
21
20
23
22
31
41
6
27
9
8
7
2
6
6
4
15
14
14
15
14
8
6
29
14
36
37,39
17
10
38,40
11
14
3
9
8
7
12
15
14
13
13
3
6
6
5
7
8
42
15
14
14
18
19
28
27
6
16
35
38
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Page 10
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
STEERING ASSEMBLY
KEY PART
NO. NO. DESCRIPTION
1 532166627 Wheel, Steering
2 532178557 Axle Asm., Front
3 532124836 Fitting, Grease
4 532161849 Spindle Asm, LH
5 532161848 Spindle Asm., RH
6 532124931 Bearing, Race Thrust Harden
7 532121748 Washer 25/32 x 1-5/8 x 16 Ga.
8 812000029 Rin g, Klip #T5304-75
9 532121232 Cap, Spindle
10 874781044 Bolt, Fin Hex 5/8-11 x 2-3/4
11 532136518 Spacer Brg Axle Front 1.570
12 873901000 Nut, Lock Flange 5/8-11 Unc
13 532121749 Washer 25/32 x 1-1/4 x 16 Ga.
14 810040600 Washer, Lock Hvy Hlcl Spr 3/8
15 532124701 Nut Lock Center 3/8-24 Unf
16 532145103 Shaft Asm., Steering
17 532137347 Rod Asm., Tie Ball J Ball Vgt (Inc. Key No. 36-40)
18 532175572 Draglink, Ball Joint Solid Vgt
19 532156011 Support Asm., Steering Vgt
20 532177592 Boot Steering
21 532159945 Adapter, Wheel Steering
22 532155105 Bushing, Strg.
23 532152927 Screw
25 874780616 Bolt, Fin Hex 3/8-16 x 1 Gr. 5
26 532166626 Cap , Wheel Steering
27 532124937 Bearing, Col. Strg.
28 817000612 Screw 3/8-16 x 3/4
29 532104239 Bearing, Flange
31 532138136 Bushing, Nyliner Snap
32 819111610 Washer 11/32 x 1 x 10 Ga.
33 810040500 Washer, Lock Hvy Hlcl Spr 5/16
34 874780512 Bolt, Hex Hd 5/16-18 x 3/4
35 532138059 Gear, Sector Steering
36 532137156 Tie Rod
37 873360600 Jam Nut RH Thread
38 532109850 Joint Asm. Ball RH Thread
39 873700600 Nut Hex Jam 3/8-24 Unf LF
40 532109851 Joint Asm Ball LH Service
41 532155246 Bracket Switch Inerlock VGT97
42 817490508 Screw 5/16-18 x 1/2
44 532177593 Extension Steering Premium
45 819132411 Washer 13/32 x 1-1/2 x 11 Ga.
TRACTOR - - MODEL NO. GTH2550B
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
39
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Page 11
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
ENGINE
TRACTOR - - MODEL NO. GTH2550B
22
25
18
21
15
17
20
37
10
1
69
45
84
24
84
12
11
41
42
43
47
74
82
35
79
81
83
62
71
70
2
28
31
39
16
26
27
37
KEY PART
NO. NO. DESCRIPTION
1 - - - - - - - Engine Briggs, Model No. 445777
(Order parts from engine manuf.)
2 532149723 Muffler Side
8 532121361 Pulley V-Idler
9 532177748 Keeper Asm. Belt Engine VGT
10 532175287 Bushing
11 532170056 Clutch Electric
12 532143996 Pulley Engine VGT Elect Clutch
15 532151346 Tank Fuel Rear 3.50
16 532109227 Pad Spacer
17 532106082 Pad Spacer
18 532161493 Cap Fuel
20 532178385 Control Throttle
21 532164863 Screw Hex Thd Cut 1/4 - 20 X 5/8
22 532178639 Control Choke
24 811050600 Washer Ext Tooth 3/8
25 873920600 Nut Keps 3/8-24 Unf
26 532003645 Bushing
27 532139277 Stem Tank Fuel
28 532007834 Fuel Line
29 532137180 Spark Arrester Kit
40
9
8
SPARK ARRESTER KIT
29
KEY PART
NO. NO. DESCRIPTION
31 532145006 Clip
35 810040500 Washer
37 532123487 Clamp Hose
39 817490636 Screw TT 3/8-16 x 2-1/4 UNC
40 817490664 Screw TT 3/8-16 x 4 UNC
41 532126197 Washer 1-1/2 OD X 15/32 ID X .250
42 810040700 Washer Lock 7/16
43 532173937 Bolt Hex 7/16-20 X 4-1/4 Ga 5
45 873510400 Nut Keps Hex 1/4-20
47 532175288 Bushing
62 532146629 Shield Heat Muffler CV-Intek
69 532165391 Gasket
70 532176069 Tube Exhaust LH
71 532176070 Tube Exhaust RH
74 532162295 Elbow Street Brass
79 871070512 Screw Hex Hd Cap 5/16-18 x 3/4
81 532148456 Tube Drain Oil Easy
82 532148315 Plug Oil Drain Easy
83 532171877 Bolt 5/16-18unc X 1-3/4 W/Sems
84 817060624 Screw Thdrol 3/8-16 x 1-1/2
NOTE: All component dimensions given in U.S. inches
40
1 inch = 25.4 mm
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Page 12
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
SEAT ASSEMBLY
14
TRACTOR - - MODEL NO. GTH2550B
1
20
8
10
7
20
8
7
16
15
13
17
KEY PART
NO. NO. DESCRIPTION
1 532141525 Seat
2 532140551 Bracket, Pivot Seat
3 532140675 Strap, Fender
4 532127018 Bolt, Shoulder 5/16-18 X .62
5 532145006 Clip, Push In Hinged
6 873800600 Nut, Crownlock 3/8-16
7 532124181 Spring, Seat Cprsn
8 532171877 Bolt 5/16-18 UNC X 3/4
10 532174894 Pan, Seat
12 532121246 Bracket, Mounting Switch
13 532121248 Bushing, Snap
19
12
4
18
2
5
6
5
22
21
3
KEY PART
NO. NO. DESCRIPTION
14 872050412 Bolt, Carriage 1/4-20 X 1-1/2
15 532121249 Spacer, Split
16 532123740 Spr ing, Cprs n
17 532123976 Nut, Lock 1/4 Lge Flg Gr. 5
18 819171912 Washer 17/32 X 1-3/16 X 12 Ga.
19 532166369 Knob, Seat
20 532124238 Cap, Spring Seat
21 532171852 Bolt, Shoulder 5/16-18
22 873800500 Nut, Crownlock 5/16-18
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
41
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Page 13
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
DECALS
15
9
27
8
TRACTOR - - MODEL NO. GTH2550B
3
5
24
6
4
5
10
12
7
14
KEY PART
NO. NO. DESCRIPTION
3 532176866 Decal, Hood, RH
4 532176867 Decal, Hood, LH
5 532176776 Decal, Side Panel
6 532170563 Decal, Warning
7 532176865 Decal, Engine HP
8 532176864 Decal, Dash
9 532176822 Decal, Fender
10 532157140 Decal, Danger
11 532101892 Decal, Clutch/Brake
12 532176775 Decal, Engine RCL
23
17
23
11
KEY PART
NO. NO. DESCRIPTION
14 532160397 Decal, V-Belt Schematic
15 532170564 Decal, Ins. Strg Whl
17 532140837 Decal, Saddle Brake Parking
23 532106202 Reflector, Taillight
24 532145005 Decal, Btry Dngr/Psn
27 532142342 Decal, Drawbar
- - 532138311 Decal, Handle Lift (Lift Handle)
- - 532133671 Pad Footrest
- - 532178466 Manual, Owner’s (English)
- - 532178467 Manual, Owner’s (French)
WHEELS & TIRES
1
2
6
12
11
KEY PART
NO. NO. DESCRIPTION
1 532059192 Cap, Valve, Tire
3
4
7
10
5
9
8
2 532065139 Stem, Valve
3 532144509 Rim Assembly, Front
4 532008134 Tube, Front (Service Item Only)
5 532106230 Tire, Front
6 532124957 Fitting, Grease
7 532124959 Bearing, Flange (Front Wheel Only)
8 532175039 Cap, Hub
9 532105588 Tire, Rear
10 532007154 Tube, Rear (Service Item Only)
11 532144510 Rim Assembly, Rear
12 532124860 Fitting, Grease
- - 532144334 Sealant, Tire (10 oz. Tube)
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
42
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Page 14
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
LIFT ASSEMBLY
TRACTOR - - MODEL NO. GTH2550B
23
23
13
14
41
39
11
40
42
14
41
43
13
11
23
23
38
35
73
34
7
31
32
30
70
29
4
5
5
4
21
12
72
33
2
15
18
19
20
8
9
10
1
3
6
16
73
76
75
23
76
KEY PART
NO. NO. DESCRIPTION
1 532121006 Rod Asm., Lever
2 532159045 Shaft Asm., Lift Vgt
3 532159189 Lever Asm., Lift Rh
4 812000022 E-Ring Truarc #5133-87
5 819292016 Washer 29/32 x 1-1/4 x 16 Ga.
6 871110624 Bolt, Fin Hex 3/8-16 x 1-1/2
7 532125631 Grip, Handle
8 532124526 Button, P lunger
9 532122364 Plunger, Lever Lift
10 532124874 Spring 2-1/8"
11 532146704 Link Lift
12 532163552 Ret ainer , Spri ng
13 532139868 Arm, Suspension Vgt
14 532169865 Bearing
15 873680600 Nut, Crownlock 3/8-16
16 532124687 Spring Asm., Assist Lift
18 532143363 Bracket, Spring Assist
19 819131316 Washer 13/32 x 13/16 x 16 Ga.
20 532005328 Bolt, Adjust Spring Assist
21 874760616 Bolt, Fin Hex 3/8-16 x 1
23 532124670 Ret ainer , Spri ng
24 873350800 Nut, Jam Hex 1/2-13 Unc
26
78
24
KEY PART
NO. NO. DESCRIPTION
26 873800800 Nut, Lock W/Wsh 1/2-13 Unc
29 532150233 Trunnion Infin Height
30 532110807 Nut, Special
31 819131016 Washer 13/32 x 5/8 x 16 Ga.
32 532137150 Spring, Compression Inf Hgt
33 876020308 Pin, Cotter 3/32 x 1/2
34 532137167 Rod, Adj Lift
35 532138057 Knob, Inf 3/8-16 Unc
38 532155097 Pointer Height Indicator
39 532123935 Plug, Hole Blk. 1.485/1.515 Dia.
40 817060516 Screw 5/16-18 x 1
41 873540600 Nut, Crownlock 3/8-24
42 819112410 Washer 11/32 x 1-1/2 x 10 Ga.
43 532123934 Scale, Indicator Height
70 532145212 Nut Hex Flange Lock
72 532110452 Nut Push Phos & Oil
73 873350600 Nut Hex Jam 3/8-16
75 532175805 Plate Asm. Susp front
76 532175560 Pin Flange
78 532130171 Trunnion
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
43
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Page 15
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
MOWER DECK
TRACTOR - - MODEL NO. GTH2550B
55
48
104
106
45
53
52
45
27
32
45
44
62
108
65
66
45
56
45
51
37
38
50
49
31
40
110
6
33
63
46
27
39
30
31
27
28
27
30
45
32
33
45
44
29
43
94
48
95
97
47
98
48
29
97
96
94
59
58
6
103
64
35
109
67
5
6
7
54
1
36
34
105
16
15
14
10
26
99
42
112
45
9
8
18
17
13
12
102
11
23
107
113
2
2
19
20
2
21
22
19
44
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Page 16
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
REPAIR PARTS
MOWER DECK
TRACTOR - - MODEL NO. GTH2550B
KEY PART
NO. NO. DESCRIPTION
1 532178897 Deck Asm., Mower 50"
2 873680500 Nut, Crownlock 5/16-18
5 532138457 Bracket Asm., Sway Bar
6 532124670 Ret ainer , Spri ng
7 532130832 Arm Suspension, Rear
8 532850857 Bolt 3/8-24 x 1.25 Gr. 8 Patched
9 810030600 Washer, Lock Hvy 3/8 Unplated
10 532140296 Washer, Hard Blade Mower Vented
11 532137380 Blade (3 Required)
13 532137553 Shaft Asm., W/Lower Brg
14 532137152 Housing, Mandrel 50" Vent
15 532110485 Bearing, Ball Mandrel
16 532174493 Stripper, Mower
17 532106735 Rod, Hinge
18 819111016 Washer 11/32 x 5/8 x 16 Ga.
19 532105304 Cap Sleeve
20 532123713 Spring, T orison Delector
21 532137607 Bracket, Deflector
22 532110452 Nut, Push
23 532171593 Shield, Deflector Mower
26 872110606 Bolt RdHd Sht Sqnk
27 819131316 Washer 13/32 x 13/16 x 16 Ga.
28 532132823 Spacer, Spring Stop Idler
29 873800500 Nut, Lock Hex 5/16-18
30 532157722 Screw Thd Rolling Washer Head
31 532137266 Nut, Flg Top Lock Cntr 9/16
32 532173436 Pulley, Mandrel
33 532129963 Washer, Spacer Mower Vented
34 872140610 Bolt, Carriage 3/8-16 x 1-1/4
35 872110616 Bolt, Carriage 3/8-16 x 2
36 872110608 Bolt, Carriage 3/8-16 x 1 Gr. 5
37 532137166 Stiffener, Arm Idler
38 532173968 Keeper, Belt Idler
39 532173438 Pulley, Idler Flat
40 532173980 Pulley, Driven
42 872140506 Bolt, Carriage 5/16-18 Unc x 3/4
43 532136460 Arm, Idler Secondary
44 532122052 Spacer, Retainer
45 873680600 Nut, Crownlock 3/8-16 Unc
KEY PART
NO. NO. DESCRIPTION
46 874760628 Bolt, Fin Hex 3/8-16 Unc x 1-3/4
47 532137200 Cover, Mandrel RH
48 532137729 Screw, Thd Roll 1/4-20 x 5/8
49 532136574 Cover, Mandrel LH
50 532137272 Arm, Idler Primary
51 532137273 Spring, Secondary
52 532139245 Pulley, Idler V Groove
53 532137789 Shield, Idler
54 532139573 V-Belt, Mower Primary
55 532144959 V-Belt, Mower Secondary
56 532138687 Spring , Primary
58 532133957 Wheel, Gauge
59 532137644 Bolt, Shoulder
62 532133943 Washer Hardened
63 872110612 Bolt Carriage 3/8-16 x 1-1/2
64 819121414 Washer 3/8 x 7/8 x 14 Ga.
65 532173981 Pulley Idler Flat Mower
66 532173979 Keeper, Belt Idler 50" Vent
67 873930600 Nut, Center Lock 3/8-16
94 874780516 Bolt H 5/16-18
95 532175746 Bracket, Asm. Noseroller LH
96 532175747 Bracket, Asm. Noseroller RH
97 819171416 Washer 17/32 x 7/8 x 16 Ga.
98 532132264 Roller, Nose
99 872110614 Bolt, Carriage 3/8-16 x 1-3/4 Gr. 5
103 532155986 Bar Adj. Gauge Wh.
104 532156941 Pin Head Rivot
105 532156852 Bracket Ga Wh Asm RH 50
106 532156853 Bracket Ga Wh Asm LH 50
107 532156854 Bracket Ga Wh Assy F RH 50
108 532156856 Bracket Ga Wh Assy F LH 50
109 872010505 Bolt Carraige 5/16- 18 x 5/8
110 873980500 Nut Crownlock 5/16-18
112 819171216 Washer 17/32 x 3/4 x 16 Ga.
113 872110504 Bolt Carriage 5/16-Unc 1/2
- - 532143651 Mandrel Asm (Includes Key Nos. 810, 13-15, 31 and 33)
- - 532178346 Replacement Mower, Complete
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
45
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