954-04077A Deck Belt for Cub Cadet i1050, LGT1050, XT1 50 Inch Deck | Replaces 754-04077
954-04077A Deck Belt for Cub Cadet i1050, LGT1050, XT1 50 Inch Deck | Replaces 754-04077
Overview
This aftermarket 954-04077A deck belt is a replacement mower deck drive belt for select Cub Cadet, MTD-built, Troy-Bilt, White Outdoor, and Toro mower deck applications using the 954-04077 / 954-04077A / 754-04077 belt path.
This belt is commonly used on select Cub Cadet i1050, LGT1050, LGTX1050, LT1050, SLT1550, XT1-GT50, XT1-LT50, XT2-GX50, and XT2-SLX50 50-inch deck applications where the original belt number matches one of the replacement numbers below.
This is the belt-only option for compatible 50-inch deck paths that may also use 742-04053 / 942-04053C mower blades, 618-04125 / 918-04125 spindle assemblies, or 917-04174 PTO clutch depending on the exact mower model path.
Key Features
- Aftermarket replacement mower deck belt
- Primary Part Number: 954-04077A
- Also Replaces: 754-04077, 754-04077A, 954-04077, OCC-754-04077, 490-501-M021
- Belt Application: mower deck drive belt
- Common Cub Cadet Deck Size: 50 inch
- Belt Length: 134 inches
- Top Width: 0.6 inch
- Thickness: 0.4 inch
- Quantity Included: 1 replacement deck belt
- Built for select mower deck drive systems using the listed OEM belt path
Compatible Brands & Model Series
This deck belt is used on select mower deck applications across several OEM paths. For Cub Cadet and MTD-built machines, this belt is most commonly tied to select 50-inch deck applications.
- Cub Cadet: i1050, LGT1050, LGTX1050, LT1050, SLT1550, XT1-GT50, XT1-LT50, XT2-GX50, XT2-SLX50 and related applications using the 754-04077 / 954-04077A belt path
- Troy-Bilt: Super Bronco 50-inch, TB2350 and related 50-inch deck applications using the listed belt numbers
- MTD-built decks: select 50-inch yard tractor and lawn tractor applications using the listed belt numbers
- White Outdoor: select 50-inch lawn and garden tractor applications using the listed belt numbers
- Toro: select GT2100, GT2200, LX500, and SL500 applications using the 112-0332 belt reference
Replaces OEM Deck Belt Numbers
- MTD / Cub Cadet / Troy-Bilt: 754-04077, 754-04077A, 954-04077, 954-04077A, OCC-754-04077, 490-501-M021
- Toro: 112-0332
- Gravely: 07200712, 07200810
- Bobcat: 4171677, 4147716
Belt Specifications
- Part Type: mower deck belt
- Primary Replacement Number: 954-04077A
- Length: 134 inches
- Metric Length: 3403.6 mm
- Top Width: 0.6 inch
- Metric Width: 15.9 mm
- Thickness: 0.4 inch
- Metric Thickness: 10 mm
- Quantity Included: 1 belt
Related 50-Inch Deck Parts
This belt is part of several 50-inch Cub Cadet and MTD-built deck paths. If you are replacing more than the belt, these companion parts may apply to compatible i1050, SLTX1050, and related 50-inch deck applications:
Important Deck Path Note
Several Cub Cadet 50-inch mower families have similar model names but use different belt paths. This listing is for the 754-04077 / 954-04077 / 954-04077A belt path.
Do not merge this belt with the 954-04240 LTX1050 belt path or the 954-04044 RZT 50 belt path unless your model-specific parts diagram or original belt number confirms the match.
Common Symptoms of a Worn Deck Belt
- Deck belt slips under load
- Belt squeals when the blades are engaged
- Blades slow down in heavy grass
- Belt jumps off the pulley system
- Visible cracking, glazing, stretching, or fraying
- Burning rubber smell near the mower deck
- Poor blade speed or uneven cut quality
Installation Notes
- Park the mower on a level surface before servicing the deck.
- Take a photo of the belt routing before removing the old belt.
- Inspect idler pulleys, spindle pulleys, belt keepers, and the tension spring.
- Make sure the belt is fully seated in each pulley groove.
- After installation, test blade engagement at low throttle first and listen for tracking issues, squealing, or vibration.
Why Buy From PTO Direct USA?
- Fast USA shipping
- Fitment-first product descriptions
- Clear part-number routing for mower deck repairs
- Related belts, blades, spindles, pulleys, and PTO clutches available
- Helpful support for homeowners, repair shops, and mower owners
FAQ
What does the 954-04077A deck belt replace?
This belt replaces 954-04077A, 954-04077, 754-04077A, 754-04077, OCC-754-04077, and 490-501-M021 on compatible mower deck applications.
What size is the 954-04077A deck belt?
The 954-04077A belt is listed as 134 inches long, approximately 0.6 inch wide, and approximately 0.4 inch thick.
Does this belt fit a Cub Cadet i1050?
Yes, this belt is used on select Cub Cadet i1050 50-inch deck applications using the 754-04077 / 954-04077A belt path.
Does this belt fit Cub Cadet LGT1050 or LGTX1050?
Yes, this belt is used on select LGT1050 and LGTX1050 50-inch deck applications using the listed belt numbers.
Does this belt fit Cub Cadet XT1 or XT2 50-inch decks?
Yes, this belt is used on select XT1-GT50, XT1-LT50, XT2-GX50, and XT2-SLX50 50-inch applications using the 954-04077A belt path.
What blades and spindles go with this belt path?
On compatible 50-inch Cub Cadet deck paths, this belt may pair with 742-04053 / 942-04053C mower blades and 618-04125 / 918-04125 spindle assemblies. Always follow the model-specific deck path for your mower.
Why does my deck belt keep coming off?
A deck belt may come off because of worn idler pulleys, rough spindle bearings, weak tension springs, bent belt guides, incorrect belt routing, or the wrong belt size. Inspect the full deck drive system before installing a new belt.
Need help confirming fitment? Send PTO Direct USA your mower model number, deck size, and original belt number before ordering.
Need a different belt? Browse the full mower deck belts collection.