Troy Bilt 13AM77KS011-TB42 Riding Mower Parts
The Troy-Bilt TB42 riding mower, model 13AM77KS011, offers homeowners a reliable solution for maintaining their lawns. Typically featuring a 42-inch cutting deck and powered by a Briggs & Stratton engine, these mowers were designed for residential use on medium-sized yards. Known for their ease of use and maneuverability, the TB42 remains a popular choice for those seeking a dependable riding mower.
The Troy-Bilt TB42 (model 13AM77KS011) is a rear-engine riding mower designed for residential lawn care. Introduced as part of Troy-Bilt's TB series, it provides a comfortable and efficient alternative to walk-behind mowers for yards that are too large to easily push mow. This model is primarily powered by a Briggs & Stratton single-cylinder engine, typically around 17.5 HP and approximately 500cc. The engine is paired with an automatic transmission, offering smooth and effortless operation. The TB42 features a 42-inch cutting deck, making it suitable for medium-sized lawns, usually between 1/2 acre and 1 acre. Key features include a comfortable high-back seat, easy-to-use controls, and a step-through frame for convenient mounting and dismounting. Unlike larger garden tractors, the TB42 is primarily designed for mowing and is not typically equipped for ground-engaging attachments. It distinguishes itself from other Troy-Bilt models by its compact size, maneuverability, and focus on ease of use for homeowners.
Specifications
| Engine | Briggs & Stratton 17.5 HP 500cc Single-Cylinder |
|---|---|
| Transmission | Automatic |
| Deck Size | 42 inches |
| Ground Speed | 5.5 mph |
| Fuel Capacity | 1.3 gallons |
| Weight | 450 lbs |
| Years Produced | 2011-2015 (approximate) |
Maintenance Tips
- Belt Inspection: Regularly inspect the deck belt and drive belt for wear, cracks, or fraying. Replace belts every 2-3 years, or sooner if damaged, to ensure proper mower operation.
- Blade Sharpening: Sharpen mower blades at least once a season, or more frequently if you notice uneven cutting or tearing of the grass. A sharp blade promotes healthier grass and a cleaner cut.
- Filter Changes: Change the engine oil and air filter annually, or after every 50 hours of use, to maintain optimal engine performance and longevity.
- Seasonal Storage: Before storing the mower for the winter, stabilize the fuel, change the oil, and disconnect the battery to prevent damage and ensure easy starting in the spring.
History & Background
The Troy-Bilt TB42 was introduced as a reliable and affordable option in the riding mower market. While specific redesigns are not prominent for this model, Troy-Bilt often incorporates incremental improvements across its product line. The TB42 serves as a core offering within Troy-Bilt's range of residential lawn care equipment.
Frequently Asked Questions
What size deck does the 13AM77KS011 TB42 have?
The Troy-Bilt 13AM77KS011 TB42 riding mower features a 42-inch cutting deck.
What engine is in the 13AM77KS011 TB42?
The Troy-Bilt 13AM77KS011 TB42 is equipped with a Briggs & Stratton 17.5 HP single-cylinder engine.
What belt do I need for my 13AM77KS011 TB42?
The 13AM77KS011 TB42 requires a 954-04060A deck belt and a 954-04004A drive belt. Refer to your owner's manual for the most accurate part numbers.
What blades fit the 13AM77KS011 TB42?
The Troy-Bilt 13AM77KS011 TB42 uses two 21-inch blades. The compatible blade part number is 742-04244A.

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