Zero-turn mower · Troy-Bilt Mustang Z54 / Mustang Z54 XP

Troy-Bilt 17ARFACWA66, 17ASFAC3066 and 17ASFAC3A66 parts: blades and belts

Checked October 5, 2026 · From the manufacturer's operator's manual and parts list

Fits 17ARFACWA66, 17ASFAC3066 and 17ASFAC3A66.

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Parts for the Troy-Bilt 17ARFACWA66, 17ASFAC3066 and 17ASFAC3A66

Part	Number and size	Buy
Blade	MTD `742P05086` part details	Search Amazon for 742P05086
Deck belt	MTD `954-04329A` part details	Search Amazon for 954-04329A
Drive belt	MTD `954-04317A` part details	Search Amazon for 954-04317A

Checked October 5, 2026 · 30 sources

Where's my model number?

Under the seat pan; lift up the seat to see it

Other machines that use these parts (12)

Cub Cadet ZT1 54 blade, deck belt and drive belt
Cub Cadet ZT2 54 / ZT2 60 and others drive belt
Cub Cadet XT1 LT50 FAB / XT1 ST54 blade
Cub Cadet XT2 SLX54 / XT1-ST54 KH and others blade
Troy-Bilt Super Bronco 54K XP blade
Cub Cadet XT1 GT54 FAB blade
Cub Cadet ZT1 42 / ZT1 46 drive belt
Cub Cadet ZT2 50 / ZT1 50 drive belt
Cub Cadet ZT2 60 drive belt
Cub Cadet ZT1 42 FAB drive belt
Troy-Bilt Mustang Z50 drive belt
Troy-Bilt Mustang Z42 drive belt

Where these numbers come from (30 sources)

Every part number above is printed in at least two of these. Checked October 5, 2026. How we check parts.

Operator's manual 769-26345 · Troy-Bilt LLC · October 20, 2021
Details
Parts/Warranty Supplement, Troy-Bilt Mustang Z42, Mustang Z46, Mustang Z50, Mustang Z54, XP54 (Form No. 769-26345, October 20, 2021); p1 Replacement Parts: '954-04329A Deck Belt, Z54 & XP54', '954-04317A Drive Belt', '742P05086 Blade, Z54 & XP54' (used for machine and part numbers)
Operator's manual 769-27198 · Troy-Bilt LLC · December 17, 2025
Details
Parts/Warranty Supplement, Troy-Bilt Mustang Z42, Mustang Z42T, Mustang Z46, Mustang Z50, Mustang Z54 (Form No. 769-27198, December 17, 2025); p1 Replacement Parts: '954-04329A Deck Belt : Z54', '954-04317A Drive Belt', '742P05086 Blade : Z54' (another edition of the same supplement: one source with 769-26345) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACWA66 (2022) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACWA66 (2022) IPL Deck: ref 32 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 36 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACWA66 (2022) IPL Drive: ref 28 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACWA66 (2023) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACWA66 (2023) IPL Deck: ref 33 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 37 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACWA66 (2023) IPL Drive: ref 28 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ARFACWA66 (2024) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ARFACWA66 (2024) IPL Deck: ref 33 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 37 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ARFACWA66 (2024) IPL Drive: ref 28 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Operator's manual 769-27093 · Troy-Bilt LLC · June 11, 2025
Details
Operator's Manual, Zero-Turn Tractor, Lapbar Controls (Form No. 769-27093, June 11, 2025); p1 'Record Product Information': 'You can locate the model plate by lifting up the seat and looking under the seat pan.' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com 'Mustang Z54 Zero-Turn Mower' page for 17ARFACWA66; engine text 'Powerful 24 HP*/747cc twin-cylinder KOHLER engine'; manuals listed 769-27093, 769-27198, 769-26892, 769-25609C, 769-26345 (ruling 1) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021 variant
Details
Troy-Bilt 17ASFAC3066 (2021) IPL Deck: '742P05086 18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; '954-04329A V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021 variant
Details
Troy-Bilt 17ASFAC3066 (2021) IPL Drive: '954-04317A TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021 variant
Details
Troy-Bilt 17ASFAC3066 (2021) IPL .Quick Reference: '954-04329A V-BELT B SEC x 148.25' Belt (Deck Spindle); '954-04317A TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); '742P05086 18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade (used for machine and part numbers)
Operator's manual 769-25609C · Troy-Bilt LLC · February 14, 2022
Details
Operator's Manual, Zero-Turn Tractor, Lapbar Controls (Form No. 769-25609C, February 14, 2022); p1 'Record Product Information': 'You can locate the model plate by lifting up the seat and looking under the seat pan.' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com 'Mustang Z54 XP Zero-Turn Rider - 17ASFAC3066' page; 'Powerful 24HP twin-cylinder Kohler PRO 7000 Series engine'; description 'MOWER:ZTL:54FAB D ZT'; manuals listed 769-25609C, 769-26272, 769-26345, 769-19031D_FR, 769-25609A, 769-19031D (ruling 1) (used for machine and part numbers)
Operator's manual 769-26890 · Troy-Bilt LLC · October 9, 2023
Details
Parts/Warranty Supplement, Troy-Bilt Mustang Z42, Mustang Z46, Mustang Z50, Mustang Z54, Mustang Z54 XP (Form No. 769-26890, October 9, 2023); p1 Replacement Parts: '954-04329A Deck Belt, Z54 & Z54 XP', '954-04317A Drive Belt', '742P05086 Blade, Z54 & Z54 XP' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ASFAC3A66 (2022) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ASFAC3A66 (2022) IPL Deck: ref 30 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 34 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ASFAC3A66 (2022) IPL Drive: ref 22 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ASFAC3A66 (2023) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ASFAC3A66 (2023) IPL Deck: ref 31 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 35 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ASFAC3A66 (2023) IPL Drive: ref 22 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ASFAC3A66 (2024) IPL .Quick Reference: 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive); no deck-belt row (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ASFAC3A66 (2024) IPL Deck: ref 31 742P05086 '18.611" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 35 954-04329A 'V-BELT B SEC x 148.25' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ASFAC3A66 (2024) IPL Drive: ref 22 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Operator's manual 769-26861 · Troy-Bilt LLC · November 15, 2023
Details
Operator's Manual, Zero-Turn Tractor, Lapbar Controls (Form No. 769-26861, November 15, 2023); p1 'Record Product Information': 'You can locate the model plate by lifting up the seat and looking under the seat pan.' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com 'Mustang Z54 XP Zero-Turn Mower' page for 17ASFAC3A66; engine text 'Powerful 24 HP*/725cc KOHLER PRO twin-cylinder engine'; manuals listed 769-26892, 769-26861, 769-26890, 769-25609C, 769-26345 (ruling 1) (used for machine and part numbers)