TRACTOR - MODEL NUMBER 917.275280
MOWER DECK
KEY PART KEY
NO. NO. DESCRIPTION NO.
1 180358 Deck Weldment Mower 48 52
3 178915 Bracket Asm., Sway Bar 56
6 4939M RetainerSpring 57 156941
6178024 SwayBar 91 180535
8 174365 Bolt 7/16 Asm. Blade 94 176066
11 180(354 Blade 95 180534
13 174360 Shaft Asm.w/Lower Bearing 97 133943
14 174358 MandrelAsm. 98 179479
15 110485X Beadng,Ball,Mandrel 99 181775
16 174493 StripperMandralDeck 100 72110616
17 72110610 BoltRDHD Sq Neck 3/8-16xl.25 110 175016
18 72140505 Bolt,Carriage 5/16-18 x 5/8 112 174387
19 132827 Bolt, Hex Hd, Shoulder5/16-18 113 72110508
20 174378 Baffle,Vortex Mower 114 174384
21 73680500 Nut,Crownlock 5/16-18UNC 115 174609
24 105304X Cap, Sleeve 116 137644
25 178102 Spring,Torsion 117 174873
26 110452X Nut, Push 118 73930600
27 180655X428 DeflectorShie{d 119 19121414
28 19111016 Washer 11/32x 5/8 x 16 Ga. 121 174371
29 131491 Rod,Hinge 122 174606
30 173984 Screw,ThdrollWasher Head 126 174372
31 129963 Washer, SpacerMowerVented 130 17000616
32 177865 Pulley,Mandrel 132 17060612
33 178342 Nut, Fig. Top LockCntr. 9/16 182 179127
36 19131316 Washer 13/32x 13/16x 16Ga. 183 163552
37 177968 Pulley, Idler, Flat 184 173979
39 174375 Pulley, Idler, Driven - - 181579
42 165723 Spacer, Retainer - - 174356
43 174373 Arm, Idler Secondary
45 174343 Cover, MandrelDeck
46 137729 Screw, Thdro{I. 1/4-20 x 518
47 180808 V-Belt, Mower, Secondary
48 174368 V-Belt, Mower, Primary
49 73680600 Nut,Crownlock 3/8-16 UNC
50 72110612 Bolt,Carr. 3/8-16 x 1-1/2 Gr. 5

PART

NO. DESCRIPTION

175820 PulleyIdler Flat
155986X431 BarPnt Adj.
PinHead Rivet
BracketAsm. NoserollerRH
Noseroller
BracketAsm NoserolierLH
WasherHardened
SpringPrimaryDrive
PulleyIdler'V"
BoltRDHD Sqnk 3/8-16 UNC x 2
ArmSpringSecondary
LinkTension ReliefLever
BoltCart. 5/16-19 x 1
TensionAsm. Relief Lever
Arm SpringTensionRelief
Bolt,Shoulder
GaugeWheel
Nut, Canterlock 3/8-16 UNC
Washer 3/8 x 7/8 x 14 Ga.
SpringSecondary Drive
BushingPivot Tension Relief
Arm, Idler, Primary Deck
Screw 3/8-16 x1.0
Screw 3/8-16 x3/4
RodRollerNose
RetainerSpring
KeeperBelt Idler
Replacement Mower,Complete
MandrelAssembly
(IncludesKey Nos. 13-15 and 33)
NOTE: All component dimensionsgiven in U. S.
inches1 inch = 25.4 mm
47