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TRACTOR - - MODEL NUMBER 917.273390
MOWER DECK
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO.
1 165892 Mower Deck Assembly, 42" 52 139888
2 STD533107 Bolt 53 184907
3 138017 Bracket Assembly, Sway Bar, Front 54 178515
4 165460 Bracket Sway Bar 38/42" eck 55 155046
5 STD624008 Retainer Spring 56 165723
6 178024 Bar Sway Deck 59 141043
8 850857 Bolt, Hex 3/8-24 x 1.25 Gr. 8 67 149846
9 STD551137 Washer, Lock 68 144959
10 140296 Washer, Hardened 92 73800600
(The following blades are available) 101 136420
11 134149 Blade, Mulching 102 71081010
(For mulching mowers only) 103 19061216
-- 139775 Blade, 42" Mulching Premium 104 STD551110
(For better wear when mulching) 105 160793
- - 138971 Blade, 42" Hi-Lift 106 2029J
(For bagging or discharging) 129 19131312
13 137645 Shaft Assembly, Mandrel, Vented 130 STD523710
14 128774 Housing, Mandrel, Vented 131 STD533710
15 110485X Bearing, Ball, Mandrel 142 165890
16 174493 Stripper, Mower Deck 143 157109
18 72140505 Bolt, Carriage 5/16-18x5/8 144 158634
19 132827 Bolt, Shoulder 145 165888
20 159770 Baffle, Vortex 146 171977
21 STD541431 NutCrownlock5/16-18unc 147 131335
23 177563 Bracket, Deflector 148 169022
24 105304X Cap, Sleeve 149 165898
25 123713X Spring, Torsion, Deflector 150 19091210
26 110452X Nut, Push 152 169676
27 130968X428 Shield, Deflector 158 17720408
28 19111016 Washer 11/32x5/8x16Ga. 159 72140614
29 131491 Rod, Hinge 184 19131410
30 173984 ScrewThdrol DOD PT Hex 185 188234
31 187690 Washer, Spacer - - 130794
32 153535 Pulley, Mandrel
33 178342 Nut, Toplock, Flanged
34 72110612 Bolt Carr. Sh. 3/8-16 x 1-1/2 Gr. 5 - - 169583
36 131494 Pulley, Idler, Flat
40 73900600 Nut Lock Fig. 3/8-16 unc
44 140086 Guard, Mandrel, LH.
45 STD624003 Retainer
46 137729 Screw, Thd. Roll 1/4-20 x 5/8
48 133944 Washer, Hardened
DESCRIPTION
Bolt, Shoulder 5/16-18 unc
Arm Assembly, Pad, Brake
Washer, Hardened
Arm, Idler
Spacer, Retainer
Guard, TUV Idler
Knob Custom Oval
V-Belt
Nut Lock Hex w/Ins. 3/8-16
Mulcher Cover
Screw Pan Hd Phillips 10-24 x 5/8
Washer #10
Washer, Lock #10
Latch Assembly, Bagger
Nut, Weld
Washer 13/32 x 13/16 x12 Ga.
Bolt, Fin Hex 3/8-16 unc xl Gr. 5
Bolt, Rdhd Sqnk 3/8-16 unc x 1
Arm Spring Brake Mower
Bracket Arm Idler 42"
Keeper Belt 42" Clutch Cable
Pulley Idler Flat
Bolt Carriage Idler
Spring Extension
Spring Return Idler
Retainer Spring Yellow Zinc
Washer 9/32 x 3/4 x 10 Ga.
Cable Clutch 42 In
Screw HexThd Cut 1/4-20 x 1/2
Bolt Rdhd Sqn 3/8-16 unc x 1-3/4
Washer 13/32 x 7/8 x 10 Ga.
Head Assy. Cable Clutch
Mandrel Assembly (Includes
housing, shaft and shaft hardware
only-pulley not included)
Replacement Mower, Complete
(Std. Deck-Order separately
mulcher cover components key
nos. 101-106)
NOTE: All component dimensions given in U.S.inches
1 inch = 25.4 mm
45