Riding mower · Troy-Bilt Pony 42

Troy-Bilt 13AB77BS023 parts: blades, deck belt, spark plug, air filter, oil filter and fuel filter

Checked October 3, 2026 · From the manufacturer's operator's manual and parts list

42 in deck
439 cc

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Parts for the Troy-Bilt 13AB77BS023

Part	Number and size	Buy
Blade	MTD `942-04308A` part details Replaces 942-04308, 942-04312, 942-04312A	Search Amazon for 942-04308A
Deck belt	MTD `954-04060C` part details Replaces 954-04060B	Search Amazon for 954-04060C
Oil filter	MTD `951-12690` part details	Search Amazon for 951-12690
Air filter	MTD `937-05129A` Replaces 937-05129	Search Amazon for 937-05129A
Spark plug	MTD `951-10292A` part details Replaces 951-10292	Shop
Fuel filter	MTD `951-3013` part details	Search Amazon for 951-3013

Checked October 3, 2026 · 9 sources

Engine: MTD 439 cc OHV vertical shaft (Troy-Bilt)

Displacement: 439 cc
Oil filter: MTD 951-12690
Spark plug: MTD 951-10292A
Air filter: MTD 937-05129A
Fuel filter: MTD 951-3013

Where's my model number?

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

Other machines that use these parts (43)

Troy-Bilt Bronco 42 / TB2142 blade and deck belt
Cub Cadet LTX 1040 blade and deck belt
Cub Cadet LTX 1042 KW / XT2-LX42 KW blade
Cub Cadet XT1 LT46 with IntelliPower / XT1 LT42 with IntelliPower and others oil filter, spark plug and fuel filter
Cub Cadet XT1 LT42 blade
Troy-Bilt Pony 42 / Pony 42X and others oil filter, spark plug and fuel filter
Troy-Bilt Super Bronco 42 XP blade, oil filter, spark plug and fuel filter
Troy-Bilt Pony 42K blade and deck belt
Cub Cadet ZT1 46 / ZT1 42 blade
Cub Cadet XT1 LT42 IntelliPOWER / XT1 LT46 INTELLIPOWER oil filter, spark plug and fuel filter
Troy-Bilt Super Bronco 46 / Super Bronco XP 54 / Super Bronco 50 XP oil filter and spark plug
Troy-Bilt Storm 2690 XP / Storm 2690 and others spark plug
Cub Cadet 2X 24" HP / 2X 524 SWE and others spark plug
Craftsman 24 in. Snow Thrower / 26 in. Snow Thrower spark plug
Craftsman 28 in. Snow Thrower / 30 in. Snow Thrower spark plug
Troy-Bilt Vortex 2610 / Vortex 2890 spark plug
Troy-Bilt Storm 3090 spark plug
Troy-Bilt Storm 2460 spark plug
Cub Cadet 3X 24" / 3X 24" HD and others spark plug
Yard-Man Two-Stage Snow Thrower spark plug
Troy-Bilt Storm Tracker 2890 / Arctic Storm 30 and others spark plug
Craftsman 22 in. Snow Thrower spark plug
Craftsman 33 in. Snow Thrower spark plug
Yard Machines Two-Stage Snow Thrower / 600 Series Snow Thrower spark plug
MTD Gold Two-Stage Snow Thrower spark plug
Cub Cadet 3X 24" / 3X 24" HD and others spark plug
Cub Cadet 2X 28" HP / 2X 30" HD IntelliPOWER and others spark plug
Troy-Bilt Storm 2890 / Vortex 2490 and others spark plug
Cub Cadet 2X 26" HD IntelliPOWER / 2X 28" IntelliPOWER and others spark plug
Cub Cadet 3X 26" HD / 3X 30" HD and others spark plug
Troy-Bilt Vortex 2490 / Storm 2625 / Storm 2410 spark plug
Cub Cadet 2X 30" TRAC / 3X 30" TRAC / 3X 30" TRAC IntelliPOWER spark plug
Cub Cadet 2X 30" HP / 2X 30" IntelliPOWER EFI and others spark plug
Troy-Bilt Polar Blast 3310XP / Polar Blast 3310 / Polar Blast 4510 spark plug
MTD Pro Two-Stage Snow Thrower spark plug
Cub Cadet SC 500 / SC 500 HW / SC 500 E spark plug
Cub Cadet 3X 26" TRAC spark plug
Huskee 600 Series Snow Thrower / Two-Stage Snow Thrower spark plug
Cub Cadet 3X 30" PRO / 3X 34" PRO / 3X 30" MAX spark plug
Cub Cadet 3X 30" PRO H / 3X 34" PRO H / 3X 34" MAX H spark plug
Cub Cadet 3X 30" MAX IntelliPOWER EFI spark plug
Cub Cadet 930 SWE / 933 SWE / 945 SWE spark plug
Cub Cadet 3X 34" MAX H IntelliPOWER EFI spark plug

Where these numbers come from (9 sources)

Every part number above is printed in at least two of these. Checked October 3, 2026. How we check parts.

Operator's manual 769-17291B · Troy-Bilt LLC · November 4, 2019
Details
Parts/Warranty Supplement, Troy-Bilt Tuffy/Pony, Bronco, TB46 Automatic, Horse, TB42 Hydro (Form No. 769-17291B, November 4, 2019); p1 Replacement Parts; '954-04060C Deck Belt (42” Mowing Deck)', '942-04308 Blade (42” Mowing Deck)', '734-04240A Tire (Front) 15 x 6 x 6 Round Shoulder', '734-04241 Tire (Rear) 20 x 8 x 8 Round Shoulder' (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AB77BS023 (2020) IPL .Quick Reference: 954-04060C 'V-BELT A SEC x 96.5' Belt (Deck Spindle); 942-04308A '21.23" BLADE (2N1)' Blades; 439cc engine parts 951-10292 (-> 951-10292A), 937-05129 (-> 937-05129A), 951-12690, 951-3013; 952Z7T90HU 'COMPLETE ENGINE 439cc' (used for machine and part numbers, engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AB77BS023 (2020) IPL Deck: key 33 942-04308 '21.23" BLADE (2N1)' superseded to 942-04308A; key 41 954-04060C (used for machine and part numbers)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AB77BS023 (2020) IPL Label Map: 777D32259 'LABEL-ENG SHROUD 439CC T-BILT LT5' (used for machine and part numbers, engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AB77BS023 (2020) IPL Wheels (Front) 634-05053 'WHEEL ASSEMBLY (15 X 6 X 6)' and Wheels (Rear) 634-04324 'WHEEL ASSEMBLY (20 X 8 X 8)' (page wheels-rear-30) (used for machine and part numbers)
Operator's manual 769-21130B · MTD Products · May 7, 2020
Details
Operator's Manual, Front Engine Lawn Tractor (Form No. 769-21130B, May 7, 2020); 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 prior-year model page 13AB77BS023 (heading 'Pony 42 Riding Lawn Mower'; description 'MOWER:LT5 42SD 7SP TB'; manuals listed 769-21130B, 769-23590, 769-23593, 769-17291B, 769-17451), retrieved 2026-10-03 (ruling 1: ties the plate to its manuals and engine only) (used for machine and part numbers)
Engine manual 769-17451 · MTD LLC · August 22, 2018
Details
Operator's Manual, 382cc & 439cc OHV Vertical Shaft Engine (Form No. 769-17451, August 22, 2018); p1 cover, p13 Replacement Parts; '951-10292 Spark Plug', '937-05129 Air Filter Assembly (Includes Pre-Filter)', '951-3013 Fuel Filter', '951-12690 Oil Filter' (used for engine)
Parts list · PartsTree (dealer copy of MTD IPL) · 2020 variant
Details
Troy-Bilt 13AB77BS023 (2020) IPL Engine Accessories: key 13 951-3013 'FUEL FILTER' (used for engine)