Page 1
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB590EC 41BDT59C966 Page 1 of 4
Engine Assembly
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Page 2
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB590EC 41BDT59C966 Page 2 of 4
Engine Assembly
Ref # Part Number Qty DescriptionS/P/F
1 753-06134 Engine Cover Assembly (includes 2 & 3)1
2 710-04194 Cover Screw1 /P
3 710-04604 Housing Screw1 /P
4 791-181025 Rocker Cover Screw1
5 753-05209 Rocker Cover1
6 721-04132 Rocker Cover O-Ring1 /P
7 753-06223 Cylinder Assembly (includes 3-6 & 8)1
8 753-05232 Cylinder O-Ring1
9 753-05408 Oil Plug (includes 10)1 /P
10 791-182290 Oil Plug O-Ring1
11 753-06111 Crankcase Cover1
12 753-05238 Crankcase Cover O-ring1
13 753-06221 Flywheel Assembly1
14 753-05264 Lead Wires1
15 753-05243 Module Assembly1 S
16 753-05244 Muffler Gasket1
17 753-05245 Muffler Assembly (includes 16 & 18)1
18 710-04487 Muffler Screw1 /P
19 794-00043 Spark Plug1 /P
20 753-05247 Insulator Gasket1
21 712-04099 Nut1 /P
22 753-05249 Insulator1
23 753-05366 Carburetor Gasket1 /P
24 753-06220 Carburetor1
25 791-181751 O-Ring1
26 753-05252 Air Cleaner Cover Assembly (includes 27)1
27 753-05254 Air Filter1
28 710-04517 Screw1 /P
29 753-06240 Fuel Tank Assembly w/Fuel Lines (includes
1
30)
30 753-1229 Fuel Cap1
31 753-05259 Fuel Tank Pads1
32 750-04434 Spacer1 /P
33 753-06226 Starter Housing Assembly (includes 3)1
34 753-06281 Clutch Drum Assembly1
35 753-05263 Clutch Cover (includes 2)1
36 791-182519 Anti-Rotation Screw1
37 753-04003 Clamp Screw1
38 712-0161 Nut1 /P
753-05297 Spark Arrestor Assembly Not shown1 /P
753-06225 Shortblock Assembly Not shown (includes
1
3-8, 13, 15 & 19)
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Page 3
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB590EC 41BDT59C966 Page 3 of 4
General Assembly
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Page 4
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB590EC 41BDT59C966 Page 4 of 4
General Assembly
Ref # Part Number Qty DescriptionS/P/F
1 753-05192 Throttle Housing Assembly (includes 2-5)1
2 731-04970A-2 Throttle Trigger1 /P
3 753-05007 Throttle Trigger Spring1 /P
4 731-04971-2 Throttle Trigger Lock-Out1 S
5 791-182405 Switch Assembly1 /P
6 753-05270 Throttle Cable Assembly1
7 791-610327 Harness Clip1
8 753-04236 Upper Drive Shaft Housing Assembly1 /P
9 791-181099 J-Handle Assembly1
10 791-683295 Handle Bracket Assembly (includes 11-16)1
11 791-181811 Screw1
12 791-181812 Upper Handle Clamp1
13 791-181813 Middle Handle Clamp1
14 791-181814 Lower Handle Clamp1
15 791-181815 Nut1
16 791-182519 Anti-Rotation Screw1
17 753-1190 Split Boom Coupler (includes 18-21)1 /P
18 791-182057 Screw1
19 791-181617 Bolt1
20 791-181618B Adjustment Knob1 /P
21 712-04018A Knob Retaining Nut1 /P
22 753-04504 Lower Drive Shaft Housing Assembly1 /P
23 753-05267 Lower Flexible Drive Shaft1
24 791-182200 Shield Mount Screw Assembly1
25 791-182193 Gearbox Assembly (includes 16 & 26-28)1 /P
26 791-182195 Gearbox Mounting Hardware1
28 791-182196 Spacer, Gearbox1
29 753-04348 Palnut1 /P
30 791-147492 Blade Shield/Shield Mount1
31 791-683304 Shield Mounting Screw1
32 753-1191 Shield Assembly (includes 33 )1
33 791-682061 Blade Assembly1
34 791-147490 Retaining Washer1
35 791-612483 Spool Shaft1
36 791-683301 Outer Spool Assembly1
37 791-612026 Retainer1
38 791-610636B Spring1 /P
39 791-147495 Inner Reel1
40 791-180814B Bump Head Knob Assembly1 /P
41 791-145873B 4-Tooth Blade1 /P
42 712-04105 Nut1 /P
791-180014B Blade Retaining Kit Not Shown1
791-613226 Locking Rod Tool Not Shown1
791-682075B Shoulder Harness Not Shown1 /P
753-04216 Replacement Line, 0.105 Diameter Not
1
Shown, Accessories
753-1224 Reel and Line Assembly Not Shown,
753-1161 Bump Head Assembly (includes 36-40)
1 /P
Accessories
1 /P
(includes 36-40) Not Shown, Accessories
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