Troy-Bilt 12AVO2A3766 parts: blades and drive belt

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

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Parts for the Troy-Bilt 12AVO2A3766

Part	Number and size	Buy
Blade	MTD `942-0741A` part details Qty 1	Search Amazon for 942-0741A
Drive belt	MTD `954-04282` part details	Search Amazon for 954-04282
Grass bag	MTD `964-05150` part details	Search Amazon for 964-05150

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 (16)

Cub Cadet SC 100 / SC 100 HW / SC 300 HW blade
Troy-Bilt TB130 blade
Cub Cadet SC 500 Z / SC 500 HW and others blade and drive belt
Cub Cadet SC 500 E blade and drive belt
Troy-Bilt TB110 / TB200 / TB 230 blade
Troy-Bilt TB 320 / TB370 and others blade and drive belt
Troy-Bilt TB 370 / TB 370 XP blade and drive belt
Troy-Bilt TB105 / TB115 and others blade
Troy-Bilt TB 220 blade
Cub Cadet SC 300 / SC 300 HW and others blade
Troy-Bilt TB200 / TB 280 ES / TB 240 blade
Cub Cadet SC 500 Z / SC 500 EQ drive belt
Troy-Bilt TB 340 blade and drive belt
Troy-Bilt TB170 XP / TB260 XP blade
Troy-Bilt TB210 / TB280 ES / TB230 blade
Troy-Bilt TB320 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 769-23230 · Troy-Bilt LLC · October 2, 2019
Details
Parts/Warranty Supplement, Troy-Bilt walk-behind mowers TB100 to TB400 XP series (Replacement Parts page 1: '942-0741A Mulching Blade (All Models)', '954-04282 Belt (Rear): RWD XP, 4X4', '964-05150 Grass Bag Only: RWD XP', '731-09208 Mulch Plug (Rear): RWD XP, 4X4 XP'; series list: TB100 Series / TB100 XP Series push, TB200 Series / TB200 XP/ES Series FWD, TB300 XP/ES Series RWD, TB400 XP Series 4X4; no engine parts) (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2021
Details
Troy-Bilt TB 320 XP (12AVO2A3766) 2021 IPL (the only catalog): Blade item 4 942-0741A '21" BLADE (MULCH)'; Drive item 8 954-04282 'V-BELT 31.25'; Grassbag item 1 964-05150 'GRASSBAG (21" TROY XP RWD XL)'; Deck Assembly item 6 731-16051 '21" MULCH PLUG'; Quick Reference: '954-04282 V-BELT 31.25"', '942-0741A 21" BLADE (MULCH)', '964-05150 GRASSBAG (21" TROY XP RWD XL)', '987-02516A HINGED MULCH PLUG ASSEMBLY' (superseded to 687-06029), 'BS-593260 AIR FILTER', '759-3336 SPARK PLUG RC12YC' (used for machine and part numbers)
Maker's model page · Troy-Bilt LLC
Details
Troy-Bilt model page 12AVO2A3766 ('TB320 XP Self-Propelled Lawn Mower'; 'MOWER; 163CC, 21IN'; 'Rear wheel drive transmission with variable speed provides more control and traction on hills or when using rear bag'; '163cc Briggs and Stratton engine with ReadyStart'; manual 769-22911, supplement 769-23230; no engine manual listed) (used for machine and part numbers)
Operator's manual 769-22911 · Troy-Bilt LLC · October 30, 2019
Details
Operator's Manual, Self Propelled Mower (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)