MTD 21A-450 Series manual MODEL 450 SERIES, Description

MODEL 450 SERIES

REF.			REF.
NO.	PART NO.	DESCRIPTION	NO.	PART NO.	DESCRIPTION
1	686-0111	Belt Cover Brkt. Ass’y	25	786-0064A	Idler Bracket
2	710-0237	Hex Bolt 5/16-24 x .62" Lg.	26	786-0186	Belt Keeper Brkt.
3	710-0412	Hex Bolt 1/4-28 x .75" Lg.	27	786-0187	Shift Cover Brkt.
4	710-0502A	Hex Wash.TT-Sems Screw 3/8-16 x	28	786-0193	Idler Belt Keeper
		1.250" Lg.	29	634-0110	RH Wheel Ass’y Comp. 16.0 x 4.0
5	710-0591	Hex Bolt 3/8-24 x 1.00		634-0111	LH Wheel Ass’y Comp. 16.0 x 4.0
6	710-0599	Hex Wash. Hd. S-Tap Scr.		734-1796	Tire Only 16.0 x 4.0
7	710-0723	Hex Cap Screw 3/8-16 x 1.25	30	634-0112	Wheel Rim Ass’y Comp.
8	712-0266	Ctr. Lock Jam Nut 3/8-16	31	734-0255	Air Valve
9	712-0267	Hex Nut 5/16-18	32	711-1017	Clevis Pin
10	714-0104	Internal Cotter Pin	33	714-0104	Internal Cotter Pin
11	736-0104	Hairpin Clip	34	710-0382	Hex Bolt 1/2-13 x 5.00" Lg.
12	736-0119	L-Wash. 5/16" I.D.	35	712-0206	Hex Nut 1/2-13 Thd.
13	736-0176	Fl-Wash. 1/4 I.D. x .93 O.D.	36	723-0381	Counterweight
14	736-0271	Spring-Wash. .317 x .625 O.D. x .099	37	736-0326	Fl-Wash. .510" I.D. x 1.0" O.D.
15	736-0329	L-Wash. 1/4" I.D.	38	736-0921	L-Wash. 1/2" Lg.
16	736-0452	Bell-Wash. .396 x 1.140 x .095	39	710-0653	Hex Screw 1/4-20 x .375" Lg.
17	738-0876	Shld. Nut 7/16-20	40	710-1017	Screw 1/4-14 x .625" Lg.
18	746-1117	Clutch Cable	41	712-0392	Acorn Lock Nut
19	747-1159	Idler Pulley Rod	42	736-0463	Fl-Washer 1/4 x .620" Lg.
20	754-0434	Belt: 4L x 58.16 Lg.	43	784-0158A	Belt Cover
21	756-0405	Fl-Idler w/Flange 3.75" O.D.	44	710-0805	Hex Bolt 5/16-18 x 1.50" Lg.
22	756-0971	Outer Engine Pulley Half	45	736-0242	Bell-Wash. .340 I.D. x .872 O.D.
23	756-0972	Inner Engine Pulley Half	46	712-3010	Nut:Hex 5/16-18
24	756-1162	Input Pulley

NOTE: For painted parts, please refer to the list of color codes below. Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Oyster Gray, the part number to order would be 700-xxxx-0662.

Black — 0691; Black, Powder — 0637; Blue, Midnight — 0667; Charcoal — 0483; Grey — 0648;

Grey, Oyster — 0662; Orange — 0606; Red — 0650; Red, MTD — 0638; Silver — 0629; Yellow — 0674.

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