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TRACTOR
-- MODEL
NUMBER
917.277130
MOWER DECK
KEY
PART
NO.
NO.
1
170280
2
72140506
3
138017
4
169970
5
4939M
6
178024
8
850857
9
10030600
10
140296
11
134148
--
139774
--
138497
13
137645
14
128774
15
110485X
16
174493
19
132827
21
73680500
23
137607
24
105304X
25
123713X
26
110452X
27
106736X428
28
19111016
29
106735X
30
173984
31
129963
32
153532
33
178342
36
131494
40
73680600
45
4497H
KEY
PART
DESCRIPTION
NO.
NO.
Mower Housing Assembly
53
130840
Bolt, Carriage 5/16-18 x 3/4
54
178515
Bracket Asm. Fram Sway Bar
55
133840
Bracket, Asm. Deck Sway
56
165723
Bar
67
149846
Retainer, Spring
68
144200
Bar Sway Deck
69
76020312
Bolt, Hex 3/8-24 x 1-1/4 Gr 8
86
7631J
Washer, Lock, HIcl Sprg 3/8
87
128772
Washer, Hard Blade Mower
88
19111216
Vented
89
19131612
(The following blades are
96
74930620
available)
97
73930600
Blade, 38" Mulching Std (For
107
133502
mulching mowers only)
108
133503
Blade, 38" Mulching Premium
109
74760640
(For better wear when mulching)
110
142587
Blade, 38" Hi-Lift (For Bagging
113
17060512
and discharging)
122
131289
Shaft and Bearing Assembly
123
169971
(Includes Key Number 15)
146
165891
Mandrel Housing, Vented
148
169022
Ball Bearing, Mandrel
149
165898
Stripper, Mower, Vented
150
19091216
Bolt, Shoulder
151
169670
Nut, Crownlock
5/16-18
152
172758
Bracket, Mower Deflector
153
169674
Cap, Sleeve
154
169675
Spring, Deflector
155
169671
Nut, Push
156
169672
Shield, Deflector
157
169669
Washer
11/32 x 3/4 x 16 Ga
158
17720408
Rod, Hinge
Screw, Thdro
- -
130794
Washer, Spacer
Pulley, Mandrel
Nut, Flangeleck 9/16
Pulley, Idler, Flat
- -
171665
Nut Crownlock 3/8-16
Retainer, Spring
DESCRIPTION
Brake Assembly
Washer Hardened
Idler Arm Assembly
Spacer, Retainer
Knob
Belt
Pin, Cotter 3/32 x 3/4
Runner, LH
Runner, RH
Washer
11/32 x 3/4 x 16 Ga
Washer
13/32 x 1 x 12 Ga
Bolt 3/8-16 x 1-1/4
Nut Centerlock 3/8-16
Spacer, Retainer
Stiffener, Idler Arm
Bolt, Hex Head 3/8-16 x2-1/2
Upstop Deck Front 38"
Screw 5/16-18 x 3/4
Rod, Brake, LH
Rod, Brake, RH
Bolt Carriage Idler
Spring Return Idler
Retainer Spring Yellow Zinc
Washer
9/32 x 3/4 x 16 Ga.
Bracket Clutch
Cable Clutch 38 In
Washer Flat 3/8" Type B
Spring Retainer
Spring Retention Lever
Spacer
Rod Clutch
Screw Hex Thd Cut
1/4-20 x 1/2
Mandrel Assembly (Includes
Housing, Shaft and Shaft
Hardware Only-Pulley Not
Included)
Replacement Mower, Complete
NOTE: All component dimensions given in U. S.
inches 1 inch = 25.4 mm
45
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