Troy Bilt TB42-13AX78KS011 Riding Mower Parts
The Troy-Bilt TB42 riding mower, including the 13AX78KS011 model, is a popular choice for homeowners with medium-sized lawns. Featuring a 42-inch cutting deck, this mower is known for its maneuverability and ease of use. While exact years of manufacture for this specific model might vary, it's part of a series designed for efficient lawn maintenance with a focus on homeowner convenience.
The Troy-Bilt TB42 series is a staple in the residential riding mower market, providing an accessible and practical solution for lawn care. The 13AX78KS011 model, specifically, is designed for homeowners with lawns around half an acre to an acre in size. Typically, these mowers are powered by a Briggs & Stratton or Kohler engine, often ranging from 17 to 19 horsepower and around 500cc to 540cc. These engines are usually single-cylinder, air-cooled for reliable performance. The transmission is generally a hydrostatic transmission or automatic CVT, offering smooth speed control. The defining feature is the 42-inch cutting deck, offering a balance between cutting width and maneuverability in tighter spaces. Key features often include electric blade engagement, adjustable cutting heights, and comfortable seating. The TB42 distinguishes itself with its focus on affordability and ease of operation, making it a great option for homeowners seeking a dependable and straightforward lawn-mowing experience. It's built for residential use, making it easy to navigate most lawns.
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 | 2010-2015 (Approximate) |
Maintenance Tips
- Check and replace the deck belt annually or after every 100 hours of use to ensure optimal cutting performance.
- Sharpen your mower blades at least twice a season or whenever you notice dulling or damage to maintain a clean cut.
- Change the engine oil and air filter every 50 hours of use or at least once per season to keep the engine running smoothly.
History & Background
The Troy-Bilt TB42 series has been a consistent offering in the Troy-Bilt lineup for many years. While specific model numbers change, the core concept of a 42-inch deck riding mower for homeowners has remained. Updates typically involve engine improvements, transmission refinements, and ergonomic enhancements.
Frequently Asked Questions
What size deck does the TB42 13AX78KS011 have?
The Troy Bilt TB42 13AX78KS011 is equipped with a 42-inch cutting deck, perfect for medium-sized lawns.
What engine is in the TB42 13AX78KS011?
The Troy Bilt TB42 13AX78KS011 typically features a Briggs & Stratton single-cylinder engine, with around 17.5 horsepower.
What belt do I need for my TB42 13AX78KS011?
You typically need a 954-04060 deck belt or equivalent for the 42-inch deck and a drive belt part number 954-04062. Verify by measuring your old belt or consulting your owner's manual.
What blades fit the TB42 13AX78KS011?
The TB42 13AX78KS011 requires two 21-inch blades. Common part numbers include 942-04244A, 742-04244A, or equivalent. Ensure the center hole matches your mower's spindle.

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