← Back to Master Cross-Reference Directory • Category: Cub Cadet / MTD 50" Decks • OEM Part Numbers: 954-05078 / 942-05052A

Cub Cadet / MTD 50" Decks

Cub Cadet XT1 LT50 / LX50 50" Deck — 1/2" x 143.25" Kevlar Belt 954-05078 & 6-Point Star Blade 942-05052A

Cub Cadet XT1 LT50 and XT2 LX50 50-inch stamped and fabricated 3-blade decks require a 1/2 x 143.25 inch Aramid/Kevlar deck belt (OEM 954-05078 / 754-05078) and three 17-1/4 inch 6-point star blades (OEM 942-05052A). Older LTX1050 5/8 x 134 inch belts (954-04077A) will NOT fit the XT1 LT50.

⚠ CRITICAL COMPATIBILITY RULE: Do not order the older LTX1050 134" belt (954-04077A) for an XT1 LT50—it is 9.25" too short. The XT1 LT50 requires OEM 954-05078 (1/2" x 143-1/4" Kevlar) and three 6-point star 942-05052A blades.

Verified Reddit Fit Complaint: r/lawncare — wrong star pattern / belt length threads

Side-by-Side Blade Spindle Hole & Kevlar Deck Belt Compatibility Matrix

Verified Center Hole Pattern & Fractional Belt Length

OEM Brand & Model	Exact Blade & Belt Size (In)	Spindle Hole / Cord Spec	Spindle / Belt Trap	OEM Price	Verified Heavy-Duty Match	Direct Spec Links
Cub Cadet / MTD OEM 954-05078 (754-05078) Kevlar Deck Belt Deck Group: Cub Cadet XT1 LT50 / XT2 LX50 / Craftsman T260 50" Deck	0.50" W x 143.25" OD 1/2" x 143-1/4" Aramid/Kevlar	Aramid Kevlar Cord	WARNING: Older 954-04077A (134") is 9.25" Too Short	$78.99	8TEN 954-05078 Heavy-Duty Kevlar Deck Belt $32.95 Save 58%	Verify Exact Fit → Amazon
Cub Cadet / MTD OEM 942-05052A (742-05052A) 3-Blade Set Deck Group: Cub Cadet XT1 LT50 / ZT1-50 50" 3-Blade Deck	17.25" L x 2.50" W x 0.150" T 17-1/4" L, 6-Point Star Center Hole	6-Pt Star Spindle	Requires 6-Point Star Spindle (918-06981)	$84.99 (3-Pack)	8TEN LawnRAZOR 942-05052A High-Lift 3-Pack $44.95 (3-Pack) Save 47%	Verify Exact Fit → Amazon
Oregon Gator G3 96-401 Mulching 3-Blade Set + V-Belt Guys 954-05078 Deck Group: Complete 50" XT1 LT50 Overhaul Combo	17.25" Blades \| 0.50" x 143.25" Belt 17-1/4" 6-Star \| 1/2" x 143-1/4" Kevlar	Gator G3 + Kevlar	Direct Drop-In Fit for 2015–Present XT1 LT50	$163.98 (Combo)	Oregon Gator G3 3-Pack + Kevlar Belt $82.90 (Combo) Save 49%	Verify Exact Fit → Amazon

Frequently Asked Blade Spindle & Kevlar Belt Fitment Questions

Q: What is the exact deck belt length on a Cub Cadet XT1 LT50?

The Cub Cadet XT1 LT50 uses OEM belt 954-05078 (754-05078), which is 1/2 inch wide by 143-1/4 inches (143.25") outside length with Aramid/Kevlar cord construction.

Q: Will an LTX1050 belt (954-04077A) fit the XT1 LT50?

No. The LTX1050 uses a 5/8" x 134" belt (954-04077A), whereas the XT1 LT50 uses a 1/2" x 143.25" belt (954-05078).

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Cub Cadet / MTD 42" Decks

Cub Cadet XT1 LT42 / LTX1040 / LTX1042 42" Deck — 6-Point Star Blade 942-04308 & 1/2" x 96.5" Kevlar Belt 954-04060C

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Cub Cadet / MTD 50" Decks

Cub Cadet ZT1-50 / RZT-50 / LTX1050 50" Deck — 6-Point Star Blade 942-05052A / 942-04053C & 5/8" x 134" Kevlar Belt 954-04077A

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John Deere 42" Decks

John Deere D100 / D110 / D130 / L100 / E100 / S100 42" Deck — 7-Point Star Blade GX22151 / AM137328 & 1/2" x 103.875" Kevlar Belt GX20072

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John Deere 48" Decks

John Deere D140 / D155 / D160 / LA145 / E140 / S140 48" 3-Blade Deck — 7-Point Star Blade GX21784 & 1/2" x 141.125" Kevlar Belt GX21833

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Husqvarna / Poulan 42" Decks

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Husqvarna 54" Zero-Turn Decks

Husqvarna Z254 / Z254F / RZ5424 54" Zero-Turn Deck — 5-Point Star Blade 532187256 & 5/8" x 154" Kevlar Belt 539114557

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Toro 50" Zero-Turn Decks

Toro TimeCutter SS5000 / MX5000 / 50" MyRIDE — 5/8" Round Center Hole Blade 115-5059-03 & 1/2" x 141.5" Kevlar Belt 119-8820

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Cub Cadet / MTD 42" Decks

Troy-Bilt Pony / Bronco / Super Bronco / Craftsman T110 42" MTD Deck — 6-Point Star Blade 942-04308 & Kevlar Belt 954-04060C vs 954-04001A

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Mower Blade & Belt Cross-Reference

Cub Cadet Xt1 Lt46 Blade & Belt Exact Part Number & Kevlar Cross-Reference

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Cub Cadet / MTD 42" Decks

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Cub Cadet 42" Zero-Turn Decks

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Cub Cadet 60" Zero-Turn Decks

Cub Cadet Ultima ZT2-60 60" Fab Deck — 6-Point Star Blade 942-05056A & 5/8" x 162" Kevlar Belt 954-05156

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John Deere 42" Decks

John Deere X300 / X304 / X310 42" Edge Deck — Kevlar Belt M154621 (146.25") vs M155525 & 7-Star Blade AM141033

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