Scag Power Equipment STT-31BSD manual Ref. Part Description

DECK DRIVE COMPONENTS

Ref. Part			Ref.	Part
No.	No.	Description	No.	No.	Description
1	423464	Belt Guard, Rear	53	04001-138	Bolt, Hex Head 3/8-16 x 3.75” Grade 8
2	481531	Hinge, Rear Belt Guard	54	04030-04 Lock Washer 3/8” .638 x .380 x .094”
3	481309	Latch, Hood	55	04020-04	Nut 3/8-16
4	04003-07	Carr. Bolt 1/4-20 x .5”	56	04021-05	Nut, Elastic 3/8-16
5	04019-02	Nut, Serr. Flg. 1/4-20	57	43604	Pivot, Idler - Long
6	04010-01	Screw, #10-32 x .5, Phillips Head	58	04001-62	Bolt, Hex Head 3/8-16 x 3-1/4”
7	04031-01	Lock Washer, #10	59	04021-10	Nut, Elastic 5/16-18
8	04020-01	Nut, #10-32	60	04001-49	Bolt, Hex Head 5/16-18 x 3.00”
9	451458	Weldment, Pump Mounting	61	04030-03	Lock Washer 5/16”
10	43506	Spacer, Engine	62	422684	Brace, Engine Mounting Plate
11	43507	Stud, Anti-Rotation	63	481284	Bumper, Rubber
12	482433	Linkage Assembly, Anti-Rotation	64	04019-03 Nut, Serr. Flg. 5/16-18
13	48028-05	Tie, Cable	65	04001-19	Bolt, Hex Head 3/8-16 x 1.00”
14	04069-01	Pin, Rue	66	48030-09	Clamp, Wire
15	04001-20	Bolt, Hex Head 3/8-16 x 1.50”	67	04003-12	Bolt, Carr. 5/16-18 x .75”
16	461697	Spindle Assembly, Deck Drive	68	482438	Driveshaft
17	461613	Clutch, Electric PTO	69	43296	Spacer, Inside
18	481398	Pulley, 6.35” dia. Tapered Bore	70	43297	Bushing
19	481536	Hub, Tapered 1” dia.	71	481025	Seal, 2.00 OD x 1.625 Bore
20	04063-06	Key, 1/4 x 1/4 x 1.5”	72	481035	Nut, 1.06-18
21	04001-175	Bolt, Hex Head 5/16-18 x 1-1/2” Grade 8	73	481022	Roller Bearing Assembly
22	482752	Pulley, 6.25” OD, Tapered	74	43312	Spacer, Outside
23	482791	Pulley, 5.45” OD	75	48114-04	Grease Fitting 1/4-28 Self Tapping
24	04012-04	Set Screw, 5/16-18 x .375”	76	48677	Relief Fitting
25	481884	Hub, Tapered 17mm Bore	77	43644	Spindle Housing
26	04001-172	Bolt, Hex Head 1/4-20 x 1” Grade 8	78	481024	Seal, 2.00 OD x 1.5 Bore
27	04063-27	Key, 5mm x 5mm x 30mm	79	43534	Shaft, Spindle
28	481461	Belt, Pump Drive	80	04012-08	Screw, Set 3/8-16 x 3/8”
29	481460	Belt, Deck Drive	81	04021-05	Nut, Center Lock 3/8-16
30	04063-11	Key, 1/4 x 1/4 x 2.5”	82	04001-21	Bolt, Hex Head 3/8-16 x 1-3/4”

3104001-101 Bolt, Hex Head 7/16-20 x 2.5”

3204030-05 Lock Washer 7/16”

3304041-28 Flat Washer 7/16 x .469 x 1.75 x .25”

3404001-109 Bolt, Hex Head 1/4-20 x 1.375”

3504021-09 Nut, Elastic Stop 3/8-16

3604041-07 Flat Washer 3/8, .391 x .938 x .105”

3704063-20 Key, 1/4 x 1/4 x 1.00”

38 461079 Idler Arm

3904001-46 Bolt, Hex Head 3/8-16 x 2.25”

4004019-04 Nut, Serr. Flg. 3/8-16

4148181 Pulley, PTO Idler

4204001-136 Bolt, Hex Head 3/8-16 x 1.5” Grade 8

4304043-04 Flat Washer 3/8” Grade 8

44481522 Spring

4548224 Bearing

4643576 Pivot, Idler - Short

4704001-145 Bolt, Hex Head 3/8-16 x 2-3/4”

4804063-20 Key, 1/4 x 1/4 x 1”

4904001-09 Bolt, Hex Head 5/16-18 x 1.00”

50	461015	Idler Arm
51	48198	Pulley, Pump Idler
52	43277	Spacer

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