Troy Bilt 13AL79KS066-TB42 Riding Mower Parts

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The Troy Bilt 13AL79KS066, also known as the TB42, is a popular riding mower known for its reliability and ease of use. Typically featuring a Briggs & Stratton single-cylinder engine around 17 HP, this model sports a 42-inch cutting deck perfect for medium-sized lawns. Find all the replacement parts you need to keep your TB42 running smoothly, from belts and blades to filters and more.

The Troy Bilt TB42 riding mower, including model 13AL79KS066, was introduced as a user-friendly and efficient option for homeowners with average-sized yards. These mowers generally feature a Briggs & Stratton single-cylinder engine, offering around 17 horsepower. The TB42 utilizes a hydrostatic transmission, providing smooth and variable speed control. Its primary distinguishing feature is its 42-inch cutting deck, designed for efficient mowing of yards approximately 1/2 to 1 acre in size. Key features include a comfortable mid-back seat, easy-to-use controls, and a step-through frame for easy mounting and dismounting. While primarily designed for residential use, the TB42 offers a balance of power and maneuverability that makes it suitable for maintaining well-manicured lawns. Compared to larger Troy-Bilt models, the TB42 prioritizes ease of use and storage, while offering more cutting capacity than smaller 30-inch models.

Specifications

Engine	Briggs & Stratton 17 HP 500cc Single Cylinder
Transmission	Hydrostatic
Deck Size	42 inches
Ground Speed	5.5 mph
Fuel Capacity	1.3 gallons
Weight	450 lbs
Years Produced	2015-2018 (approximate)

Maintenance Tips

Belt Inspection: Regularly inspect the deck and drive belts for wear and tear. Replace belts every 2-3 years, or sooner if cracking or fraying is visible.
Blade Sharpening: Sharpen your mower blades at least once a season, or more often if you mow in sandy or rocky conditions. Dull blades tear grass, leading to an unhealthy lawn.
Filter Changes: Change the engine oil and air filter annually, or after every 50 hours of use, to maintain optimal engine performance.
Seasonal Storage: Before storing your mower for the winter, stabilize the fuel, change the oil, and disconnect the battery to prevent damage.

History & Background

The Troy-Bilt TB42 was part of a broader line of riding mowers aimed at the residential market. It offered a balance between affordability and performance. The model likely saw minor updates during its production run, mainly relating to engine improvements and cosmetic changes.

Frequently Asked Questions

What size deck does the 13AL79KS066 TB42 have?

The Troy Bilt 13AL79KS066 TB42 riding mower has a 42-inch cutting deck.

What engine is in the 13AL79KS066 TB42?

The Troy Bilt 13AL79KS066 TB42 typically features a 17 HP Briggs & Stratton single-cylinder engine.

What belt do I need for my 13AL79KS066 TB42?

You will need both a deck belt and a drive belt. The deck belt is typically a 1/2" x 95" belt. The drive belt varies but is generally a 1/2" x 86". Refer to your owner's manual or use the parts lookup on our site to confirm the exact part numbers or dimensions for your specific unit.

What blades fit the 13AL79KS066 TB42?

The Troy Bilt 13AL79KS066 TB42 requires two 21-inch blades. These blades typically have a star center hole. Always verify the blade length and center hole pattern before ordering.

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