Page 1
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 1 of 7
Boom & Trimmer Assembly
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Page 2
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 2 of 7
Boom & Trimmer Assembly
Ref # Part Number Qty DescriptionS/P/F
1 753-04234 Throttle Housing Assembly (includes 2-4)1
2 791-182690 Throttle Trigger Spring1
3 753-04119 Throttle Trigger1 /P
4 791-182673 Switch1
5 753-05266 Throttle Cable Assembly1
6 753-04236 Upper Drive Shaft Housing Assembly1 /P
7 791-180687 J-Handle Assembly1
8 791-683295 Handle Bracket Assembly (includes 9-14)1
9 791-181811 Screw1
10 791-181812 Upper Handle Clamp1
11 791-181813 Middle Handle Clamp1
12 791-181814 Lower Handle Clamp1
13 791-181815 Nut1
14 791-145569 Anti-Rotation Screw1 /P
15 753-1190 Split boom Coupler (includes 12-15)1 /P
16 791-182057 Screw1
17 791-181617 Bolt1
18 791-181981 Adjustment Knob (includes 15)1
19 753-04386 Knob Retaining Nut1 S
20 791-182387 Lower Drive Shaft Housing Assembly1
21 791-153597 Lower Clamp Assembly (includes 21)1
22 791-181852 Lower Flexible Drive Shaft1 /P
23 791-180531 Shield Mounting Screw1 S
24 791-181857 Bushing Housing Assembly1
25 791-145569 Anti-Rotation Screw1 /P
26 791-181659 Shield Assembly (includes 23)1 /P
27 753-05212 Blade Assembly1 S
28 791-181457 Outer Spool Assembly (includes 25)1
29 791-181458 Retainer1
30 791-181561 Thrust Washer1
31 791-181459 Small Spring1
32 753-04257 Slider1 /P
33 791-181532 E-Clip1
34 791-181531 Spring1
35 791-181462 Plunger1
36 791-181463 C-Clip1
37 791-181464 Inner Reel1 S
38 791-181465B Large Spring1
39 791-181467 Foam Seal1
40 791-181468B Bump Head Knob Assembly (includes 34 &
1 /P
35)
753-04929 Complete Cutting Head Assemly Not shown,
1
(includes 17, 20, 21, 24-36)
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Page 3
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 3 of 7
Edger
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Page 4
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 4 of 7
Edger
Ref # Part Number Qty DescriptionS/P/F
1 753-04259 Boom Assembly1
2 791-181570 Drive Shaft1 /P
3 791-182195 Boom Mounting Hardware1
4 791-182519 Anti-Rotation Screw1
5 753-1217 Guard Mounting Hardware1
6 753-04258 Gearbox Assembly1
7 753-04260 Blade Guard1
8 753-04262 Deflector w/Hardware1
9 753-04261 Spacer1
10 791-613223B Blade1 /P
11 791-180014B Blade Clamp Washer & Nut1
12 791-613221 Blade Retainer Nut1 S
13 753-04270 Wheel Bracket Mounting Bolt1
14 753-04264 Nut1
15 753-04265 Edger Guide1
16 791-181242 Wheel1
17 791-180776 Shoulder Bolt1
18 791-182216 Washer1
19 791-182215 Washer1 S
20 791-180050 Nut1 S
21 791-182214 Edger Guide Knob1
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Page 5
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 5 of 7
Engine Assembly
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Page 6
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 6 of 7
Engine Assembly
Ref # Part Number Qty DescriptionS/P/F
1 753-05206 Engine Cover Assembly (includes 2 & 3)1
2 753-04595 Cover Screw1 S
3 753-05377 Screw1 S
4 753-05209 Rocker Cover1
5 753-05210 Rocker Cover O-Ring1 S
6 753-05228 Cylinder Assembly (includes 3, 5 & 9)1
7 753-05229 Piston Ring Assembly1
8 753-05230 Piston Assembly (includes 7)1
9 753-05232 Cylinder O-Ring1
10 791-182379 Breather Hose1 /P
11 753-05236 Oil Plug (includes 12)1 S
12 791-182290 Oil Plug O-Ring1
13 753-05237 Crankcase Cover1
14 753-05238 Crankcase Cover O-ring1
15 753-05239 Crankcase Assembly (includes 9, 10, 14 &
1
16)
16 753-05240 Flywheel Assembly1 /P
16 914-04016 Woodruff Key.125 x .375 Not shown1 /P
17 753-05241 Cam Bracket Assembly (includes 18)1
18 753-05242 Cam Bracket Screw1 S
19 753-05264 Lead Wires1
20 753-05243 Module Assembly1 S
21 753-05244 Muffler Gasket1
22 753-05245 Muffler Assembly (includes 21 & 23)1
23 753-05246 Muffler Screw1 S
24 753-05255 Spark Plug1
25 753-05247 Insulator Gasket1
26 753-05248 Nut1 S
27 753-05249 Insulator1
28 753-05366 Carburetor Gasket1 /P
29 753-05251 Carburetor w/Primer1
30 791-181751 O-Ring1
31 753-05252 Air Cleaner Cover Assembly (includes 32)1
32 753-05254 Air Filter1
33 753-05253 Screw1 S
34 753-05256 Fuel Tank Assembly w/Fuel Lines (includes
35 753-1229 Fuel Cap1
36 753-05259 Fuel Tank Pads1
37 753-05260 Push Nut1 S
38 753-1202 Pressure Plate Screw1
39 753-05074 Pressure Plate (includes 38)1
40 753-05078 Spacer1 S
41 753-05435 Starter Assembly (includes 42)1 /P
42 791-613103 Rope1
43 753-04286 Recoil Spring1
44 791-181079 Handle1 S
45 791-611061 Rope Guide1
46 753-05262 Starter Housing Assembly (includes 3 &
1 /P
35)
1
37-45)
47 791-182396 Washer1 S
48 753-1238 Clutch & Clutch Washer1
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Page 7
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB525ET 41ADT5EC966 Page 7 of 7
Engine Assembly
Ref # Part Number Qty DescriptionS/P/F
49 791-153592 Clutch Drum1 /P
50 753-05263 Clutch Cover1
51 791-182519 Anti-Rotation Screw1
52 753-04003 Clamp Screw1
53 791-180217 Nut1 S
753-05297 Spark Arrestor Assembly Not shown1 /P
753-05265 Shortblock Assembly (includes 3-12, 14, 15,
1 /P
17 & 24) Not shown
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