Zero-turn mower · Troy-Bilt Mustang Z42

Troy-Bilt 17ARFACSA66 parts: blades and belts

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

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Parts for the Troy-Bilt 17ARFACSA66

Part	Number and size	Buy
Blade	MTD `742P05576` Replaces 742P05528	Search Amazon for 742P05576
Deck belt	MTD `754P06134` part details	Search Amazon for 754P06134
Drive belt	MTD `954-04317A` part details	Search Amazon for 954-04317A

Checked October 5, 2026 · 13 sources

Where's my model number?

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

Other machines that use these parts (13)

Cub Cadet ZT1 46 / ZT1 42 deck belt
Cub Cadet ZT1 42 / ZT1 46 / ZTS1 50 drive belt
Cub Cadet ZT2 54 / ZT2 60 and others drive belt
Cub Cadet ZTS1 42 / ZT1 42 FAB deck belt and drive belt
Cub Cadet ZT1 54 drive belt
Cub Cadet ZT2 50 / ZT1 50 drive belt
Cub Cadet ZT2 60 / ZTS2 60 drive belt
Troy-Bilt Mustang Z54 / Mustang Z54 XP drive belt
Troy-Bilt Mustang Z50 drive belt
Cub Cadet ZTS1 46 drive belt
Cub Cadet ZTS1 50 drive belt
Cub Cadet ZTS2 50 drive belt
Cub Cadet ZTS2 54 drive belt

Where these numbers come from (13 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: '754P06134 Deck Belt, Z42', '954-04317A Drive Belt', '742P05528 Blade, Z42' (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: '754P06134 Deck Belt : Z42/Z42T', '954-04317A Drive Belt', '742P05576 Blade : Z42/Z42T' (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Troy-Bilt 17ARFACSA66 (2022) IPL .Quick Reference: 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade superseded to 742P05576, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive), 754P06134 'V-BELT A SEC x 117.0' Belt (PTO / Deck) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACSA66 (2022) IPL Deck: ref 34 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Superseded to 742P05576; ref 37 754P06134 'V-BELT A SEC x 117.0' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACSA66 (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 17ARFACSA66 (2023) IPL .Quick Reference: 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade superseded to 742P05576, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive), 754P06134 'V-BELT A SEC x 117.0' Belt (PTO / Deck) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACSA66 (2023) IPL Deck: ref 34 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Superseded to 742P05576; ref 37 754P06134 'V-BELT A SEC x 117.0' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACSA66 (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 17ARFACSA66 (2024) IPL .Quick Reference: 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Blade superseded to 742P05576, 954-04317A 'TRANSMISSION DRIVE BELT A x 67' Belt (Lower Drive), 754P06134 'V-BELT A SEC x 117.0' Belt (PTO / Deck) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ARFACSA66 (2024) IPL Deck: ref 34 742P05528 '21.23" BLADE (2IN1) (S SHAPE CENTER HOLE)' Superseded to 742P05576; ref 37 754P06134 'V-BELT A SEC x 117.0' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17ARFACSA66 (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 Z42 Zero-Turn Mower' page for 17ARFACSA66; engine text 'Powerful 22 HP*/747cc KOHLER twin-cylinder engine'; manuals listed 769-27093, 769-27198, 769-26892, 769-25609C, 769-26345 (ruling 1) (used for machine and part numbers)