Zero-turn mower · Troy-Bilt Mustang 50 XP / Mustang Z50

Troy-Bilt 17AKCACZ066, 17ARFACQA66 and 17BRFACQA66 parts: blades and belts

Checked October 6, 2026 · From the manufacturer's operator's manual and parts list

Your model

Fits 17AKCACZ066, 17ARFACQA66 and 17BRFACQA66. Where a part differs, the row names the model.

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Parts for the Troy-Bilt 17AKCACZ066, 17ARFACQA66 and 17BRFACQA66

Part	Number and size	Buy
Blade17AKCACZ066	MTD `942-05052A` part details	Search Amazon for 942-05052A
Blade17ARFACQA66, 17BRFACQA66	MTD `742P05094` part details	Search Amazon for 742P05094
Deck belt	MTD `954-05078` part details	Search Amazon for 954-05078
Drive belt	MTD `954-04317A` part details Replaces 954-04317	Search Amazon for 954-04317A

Checked October 6, 2026 · 24 sources

Other machines that use these parts (26)

Troy-Bilt Super Bronco 50 blade
Troy-Bilt Super Bronco 46 / Super Bronco 50T and others blade
Cub Cadet XT2 SLX50 / XT1-LT50 and others blade
Cub Cadet RZT-S50 KH / ZTS2 50 / RZT-L50 KH blade, deck belt and drive belt
Troy-Bilt Super Bronco 50B / Super Bronco 50K FAB XP / Super Bronco 50 XP Hydro blade
Troy-Bilt Super Bronco 50 XP / Super Bronco 50K XP / Super Bronco 54 XP blade
Cub Cadet ZT2 50 / ZT1 50 blade, deck belt and drive belt
Cub Cadet XT1 LT50 FAB / XT1 ST54 blade
Troy-Bilt Super Bronco 50K XP blade
Cub Cadet ZT1 42 / ZT1 46 / ZTS1 50 drive belt
Cub Cadet ZTS1 50 blade, deck belt and drive belt
Troy-Bilt Mustang Z50 / Mustang Z42 deck belt
Cub Cadet ZT1 54 drive belt
Cub Cadet ZT2 54 / ZT2 60 and others drive belt
Cub Cadet ZT2 60 / ZTS2 60 drive belt
Cub Cadet ZTS1 42 / ZT1 42 FAB drive belt
Troy-Bilt Mustang Z54 / Mustang Z54 XP / Mustang 54 drive belt
Troy-Bilt Mustang Z42 drive belt
Cub Cadet ZTS1 46 drive belt
Cub Cadet RZT-L54 KH / RZT-L54 KW and others drive belt
Cub Cadet RZT-L42 / RZT-S42 and others drive belt
Cub Cadet RZT-L50 KH / RZT-L50 KW and others drive belt
Cub Cadet RZT-S42 / RZT-S50 / RZT-S46 drive belt
Cub Cadet RZT-S46 / RZT-L46 and others drive belt
Troy-Bilt Mustang 46 XP / Mustang 46 / Mustang Pivot 46 drive belt
Troy-Bilt Mustang 60 XP drive belt

Where these numbers come from (24 sources)

Every part number above is printed in at least two of these. Checked October 6, 2026. How we check parts.

Operator's manual 769-12418 · Troy-Bilt LLC · August 2, 2017
Details
Parts/Warranty Supplement, Mustang 42/46/50/54 (Form No. 769-12418, August 2, 2017); p1 Replacement Parts: '954-05078 Deck Belt, RZT L50', '954-04317A Drive Belt', '942-05052A Blade, RZT L50' (no engine lines) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018
Details
Troy-Bilt 17AKCACZ066 (2018) IPL Deck: #35 '954-05078 V-BELT B SEC x 143.5 LG'; #31 '942-05052A 17.27" BLADE (2N1)' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018
Details
Troy-Bilt 17AKCACZ066 (2018) IPL Drive: #31 '954-04317A TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2018
Details
Troy-Bilt 17AKCACZ066 (2018) IPL .Quick Reference: '954-05078 Belt (Deck Spindle)'; '954-04317A Belt (Lower Drive)'; '942-05052A Blades' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2019
Details
Troy-Bilt 17AKCACZ066 (2019) IPL Deck: #35 '954-05078 V-BELT B SEC x 143.5 LG'; #31 '942-05052A 17.27" BLADE (2N1)' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2019
Details
Troy-Bilt 17AKCACZ066 (2019) IPL Drive: #32 '954-04317A TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2019
Details
Troy-Bilt 17AKCACZ066 (2019) IPL .Quick Reference: '954-05078 V-BELT B SEC x 143.5 LG' (Belt (Deck Spindle)); '954-04317A TRANSMISSION DRIVE BELT A x 67' (Belt (Lower Drive)); '942-05052A 17.27" BLADE (2N1)' (Blades) (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
troybilt.com model page 17AKCACZ066 (heading 'Mustang 50 XP Zero-Turn Rider'; description 'MOWER:RZTL:50FAB D EZT C STYLE'; engine text '24 HP* Briggs & Stratton engine'; manuals listed 769-17171, 769-17430, 769-12145B, 769-12414, 769-12418, 769-12145A, 770-10770B), retrieved 2026-10-06 (ruling 1: ties the plate to its manuals only) (used for machine and part numbers)
Operator's manual 769-26642A · Troy-Bilt LLC · May 17, 2023
Details
Parts/Warranty Supplement, Troy-Bilt Mustang Z42, Mustang Z46, Mustang Z50, Mustang Z54, XP54 (Form No. 769-26642A, May 17, 2023); p1 Replacement Parts: '954-05078 Deck Belt, Z50', '954-04317A Drive Belt', '742P05094 Blade, Z50' (used for machine and part numbers)
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: the same Z50 lines (another edition of the same supplement: one source with 769-26642A) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACQA66 (2022) IPL .Quick Reference: 742P05094 '17.271" 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 17ARFACQA66 (2022) IPL Deck: ref 32 742P05094 '17.271" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 36 954-05078 'V-BELT B SEC x 143.5 LG' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2022 variant
Details
Troy-Bilt 17ARFACQA66 (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 17ARFACQA66 (2023) IPL .Quick Reference: 742P05094 '17.271" 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 17ARFACQA66 (2023) IPL Deck: ref 32 742P05094 '17.271" BLADE (2IN1) (S SHAPE CENTER HOLE)'; ref 36 954-05078 'V-BELT B SEC x 143.5 LG' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2023 variant
Details
Troy-Bilt 17ARFACQA66 (2023) IPL Drive: ref 28 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Operator's manual 769-26504 · Troy-Bilt LLC · September 27, 2022
Details
Operator's Manual, Zero-Turn Tractor, Lapbar Controls (Form No. 769-26504, September 27, 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 Z50 Zero-Turn Rider' page for 17ARFACQA66; engine text 'Powerful 23 HP*/725cc KOHLER twin-cylinder engine'; manuals listed 769-26892, 769-26830, 769-26642A, 769-26504, 769-25609C, 769-26345 (ruling 1) (used for machine and part numbers)
Operator's manual 769-27198 · Troy-Bilt LLC · 12/17/2025
Details
Parts/Warranty Supplement, Troy-Bilt Mustang Z42, Mustang Z42T, Mustang Z46, Mustang Z50, Mustang Z54 (Form No. 769-27198, 12/17/2025); p1 Replacement Parts: '954-05078 Deck Belt : Z50', '954-04317A Drive Belt', '742P05094 Blade : Z50'; no engine lines (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17BRFACQA66 (2024) IPL .Quick Reference: Belt (Deck Spindle) 954-05078 'V-BELT B SEC x 143.5 LG', Belt (Lower Drive) 954-04317A 'TRANSMISSION DRIVE BELT A x 67', Blade 742P05094 '17.271" BLADE (2IN1) (S SHAPE CENTER HOLE)' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17BRFACQA66 (2024) IPL Deck: ref 37 954-05078 'V-BELT B SEC x 143.5 LG'; ref 33 742P05094 '17.271" BLADE (2IN1) (S SHAPE CENTER HOLE)' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2024 variant
Details
Troy-Bilt 17BRFACQA66 (2024) IPL Drive: ref 28 954-04317A 'TRANSMISSION DRIVE BELT A x 67' (used for machine and part numbers)
Operator's manual 769-27093 · MTD Products · 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 model page 17BRFACQA66 (heading 'Mustang Z50 Zero-Turn Rider'; description 'MOWER:ZTL:50SD D ZT2200'; engine text 'Powerful 24 HP*/747cc KOHLER® twin-cylinder engine'; manuals listed 769-26892, 769-27093, 769-27198), retrieved 2026-10-05 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)