Troy Bilt 13AV78KS066-TB42 Riding Mower Parts

Jump to Parts

The Troy Bilt 13AV78KS066 TB42 is a popular riding mower known for its reliability and ease of use. This model, often referred to as the TB42, typically features a Briggs & Stratton engine and a 42-inch cutting deck, making it ideal for medium-sized lawns. Find the belts, blades, and other parts you need to keep your TB42 running smoothly.

The Troy Bilt TB42 riding mower, model number 13AV78KS066, is a residential riding mower designed for homeowners with medium-sized lawns. Typically introduced in the late 2000s or early 2010s, this model offers a balance of affordability and performance. Engine options commonly include a Briggs & Stratton single-cylinder engine, ranging from 17 to 19 horsepower, with a displacement around 500cc. It uses an automatic or hydrostatic transmission for easy operation. The defining feature is its 42-inch cutting deck, suitable for yards ranging from 1/2 acre to 1 acre. Key features include a comfortable seat, easy-to-reach controls, and a multi-position cutting height adjustment. It distinguishes itself from larger models in the Troy Bilt lineup by its smaller deck size and lower horsepower, making it more maneuverable and easier to store. Unlike commercial zero-turn models, the TB42 is designed for residential lawn maintenance.

Specifications

Engine	Briggs & Stratton 17.5 HP 500cc Single-Cylinder
Transmission	Automatic CVT
Deck Size	42 inches
Ground Speed	5.5 mph
Fuel Capacity	1.3 gallons
Weight	450 lbs
Years Produced	2010s

Maintenance Tips

Replace the deck belt every 2-3 years, or more frequently if you notice slippage or cracking.
Sharpen the mower blades at least once a season, or more often if you mow in sandy or abrasive conditions.
Change the engine oil and filter according to the manufacturer's recommendations, typically every 25-50 hours of use.
Before storing the mower for the winter, add fuel stabilizer to the gas tank and disconnect the battery.

History & Background

The Troy Bilt TB42 (model 13AV78KS066) was introduced as a reliable and affordable option in the Troy Bilt riding mower lineup. It has seen some minor updates over the years, but the core design and functionality have remained consistent. This model occupies a sweet spot for homeowners needing a capable mower without the expense of larger, more powerful machines.

Frequently Asked Questions

What size deck does the 13AV78KS066 TB42 have?

The Troy Bilt 13AV78KS066 TB42 features a 42-inch cutting deck.

What engine is in the 13AV78KS066 TB42?

The 13AV78KS066 TB42 is typically equipped with a Briggs & Stratton single-cylinder engine, often around 17.5 horsepower.

What belt do I need for my 13AV78KS066 TB42?

The deck belt for the 13AV78KS066 TB42 is typically a 1/2" x 95" belt. The drive belt may vary slightly depending on the exact configuration, but it is often around 1/2" x 78". Always verify the correct part number in your owner's manual or by cross-referencing with a parts diagram.

What blades fit the 13AV78KS066 TB42?

The Troy Bilt 13AV78KS066 TB42 requires two 21-inch blades. These blades typically have a center hole and a star-shaped center. Ensure you purchase blades specifically designed for a 42-inch Troy Bilt mower for proper fit and performance.

Showing 1-13 of 13 products

Sort by: