John Deere L170 Riding Mower Parts
The John Deere L170 was a popular lawn tractor produced in the mid-2000s, known for its reliable performance and ease of use. Typically powered by a Briggs & Stratton single-cylinder engine delivering around 17 horsepower, the L170 was equipped with a 48-inch mowing deck. Homeowners favored this model for its ability to handle medium to large-sized lawns efficiently.
The John Deere L170 lawn tractor was introduced as part of the L-Series, designed for residential use. Its engine was a 17 HP Briggs & Stratton single-cylinder overhead valve (OHV) engine with a displacement of around 500cc. The L170 featured a hydrostatic transmission, offering smooth and easy operation with variable speeds. It came standard with a 48-inch 3-blade mowing deck. Key features included a comfortable seat, easy-to-reach controls, and a durable frame. The L170 was primarily used for mowing lawns in residential settings. It distinguished itself from lower-end models in the L-Series by offering a larger deck size and slightly more powerful engine, while remaining more affordable than the higher-end garden tractors.
Specifications
| Engine | Briggs & Stratton 17 HP 500cc OHV |
|---|---|
| Transmission | Hydrostatic |
| Deck Size | 48 inches |
| Ground Speed | 0-5.5 mph |
| Fuel Capacity | 2.4 gallons |
| Weight | 505 lbs |
| Years Produced | 2003-2005 |
Maintenance Tips
- Replace the mower deck belt every 100-200 hours of use, or annually, to ensure optimal cutting performance.
- Sharpen the mower blades at the beginning of each mowing season and as needed throughout the year to maintain a clean cut.
- Change the engine oil and filter every 50 hours of operation, or at least once per year, to prolong engine life.
- Before storing the tractor for the winter, stabilize the fuel and disconnect the battery to prevent damage.
History & Background
The John Deere L170 was introduced in 2003 as part of the L-Series lawn tractors. It remained largely unchanged during its production run, offering a reliable and capable mowing solution for homeowners. It occupied a mid-range position in the John Deere lineup, balancing performance and affordability.
Frequently Asked Questions
What size deck does the John Deere L170 have?
The John Deere L170 is equipped with a 48-inch, 3-blade mowing deck.
What engine is in the John Deere L170?
The John Deere L170 is powered by a 17 horsepower Briggs & Stratton single-cylinder engine.
What belt do I need for my John Deere L170?
The John Deere L170 typically uses a 5/8" x 95" deck belt. The John Deere part number for the deck belt is M154621. For the drive belt, refer to the parts diagram for your specific tractor serial number.
What blades fit the John Deere L170?
The John Deere L170 uses three 16.5-inch blades. These blades typically have a 5-point star center hole.



