Walk-behind mower · Troy-Bilt TB WC23 XP

Troy-Bilt 12ABR27B766 parts: blades and drive belt

Also sold as TBWC23B XP · Checked October 6, 2026 · From the manufacturer's operator's manual and parts list

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Parts for the Troy-Bilt 12ABR27B766

Part	Number and size	Buy
Blade	MTD `742P05019` Qty 1	Search Amazon for 742P05019
Drive belt	MTD `754P05934`	Search Amazon for 754P05934
Grass bag	MTD `664P05787`	Search Amazon for 664P05787

Checked October 6, 2026 · 4 sources

Where's my model number?

Stand at the operator's position and look down at the rear of the deck.

Other machines that use these parts (2)

Cub Cadet SC 900 blade and drive belt
Cub Cadet SC 900 blade and drive belt

Where these numbers come from (4 sources)

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

Operator's manual 769-27070 · Troy-Bilt LLC · December 11, 2024
Details
Parts/Warranty Supplement, Self-Propelled RD Model TB WC23 XP (Replacement Parts page 1: '742P05019 Blade', '664P05787 Grass Bag', '754P05934 Belt'; no engine parts) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021-2024
Details
Troy-Bilt TB WC23 XP / TB WC23 B XP (12ABR27B766) 2021 IPL: Blade item 4 742P05019 '23" BLADE (3N1)' (superseded to 742-05019-0637); Drive item 9 754P05934 'V-BELT 3L x 33.25"'; Grassbag item 1 664P05787 '23" GRASSBAG (BLACK)'; 2022, 2023 and 2024 IPLs: Blade item 1 742P05019 (superseded to 742-05019-0637), Drive item 9 754P05934, Grassbag item 1 664P05787; Quick Reference (2022-2024): '754P05934 V-BELT 3L x 33.25" Belt (Trans Drive)', '742P05019 23" BLADE (3N1)', '664P05787 23" GRASSBAG (BLACK)', '731-14438 23" MULCH PLUG', 'BS-595853 A/C CARTRIDGE FILTER', '759-3336 SPARK PLUG RC12YC'; Label Map 'LABEL- MWR XTB-TROYTBWC23B XP' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
Troy-Bilt model page 12ABR27B766 ('TBWC23B XP Self-Propelled Lawn Mower'; 'MOWER; 23IN; 175CC'; 'A 190cc Briggs & Stratton engine designed for powerful performance and durability'; 'InStep drive system'; manual 769-27064, supplements 769-27070 and 769-27111; no engine manual listed) (used for machine and part numbers)
Operator's manual 769-27064 · Troy-Bilt LLC · November 18, 2024
Details
Operator's Manual, Rear Wheel Drive Self Propelled Mower, Model Series Q & R (Record Product Information, page 1: 'locate the model plate by standing at the operator's position and looking down at the rear of the deck') (used for machine and part numbers)