John Deere L120
The John Deere L120 is a lawn tractor that has garnered mixed reviews since its introduction. It features a 20-horsepower Briggs & Stratton engine and is designed for residential use, particularly for homeowners with medium to large yards.
The L120 is noted for its comfortable ride, especially for larger individuals, thanks to its high seating position and adequately sized seat. Users appreciate the well-placed controls, although some have criticized the location of the deck height adjustment handle.
Performance-wise, the L120 is praised for delivering a quality cut, making lawns look well-manicured. Many users report satisfaction with its mowing capabilities and reliability during the initial years of ownership.
One owner noted that after six years and approximately 420 hours of use, the tractor still performed well despite minor maintenance issues, such as replacing spindles and belts after hitting obstacles.
However, the L120 has also been described as having structural weaknesses. Some users have experienced significant repairs, including issues with the front axle, transaxle, and steering gear.
These problems have led to concerns about its durability over time. For those who are not mechanically inclined, the L120 may prove to be a disappointment due to the potential for frequent repairs and the cost of parts.
Overall, while the John Deere L120 offers good value for those who can maintain it themselves, prospective buyers should consider their ability to handle repairs and maintenance before purchasing.
The tractor’s initial affordability may be offset by long-term reliability concerns and repair needs.
John Deere L120 Parts
The John Deere L120 lawn tractor is supported by a range of parts and service options to ensure optimal performance and maintenance. Key components include the engine, transmission, mower deck, and various attachments.
The tractor is equipped with a 48-inch mower deck, which is designed for efficient grass cutting and can be paired with a material collection system for enhanced lawn care.
For those looking to maintain or repair their L120, John Deere provides an online parts lookup tool that allows users to find specific parts by model number. This resource includes detailed diagrams and lists of available components, making it easier for owners to identify and order the necessary parts.
Additionally, John Deere offers owner manuals and service information that cover maintenance schedules, safety guidelines, and troubleshooting tips.
These resources are essential for ensuring that the tractor remains in good working condition over time. The MowerPlus app is also available to assist users with lawn maintenance tasks, providing reminders and tips for effective care.
Overall, maintaining the John Deere L120 involves access to various parts and comprehensive support resources, ensuring that users can keep their equipment running smoothly for years to come.
- Engine Components
- Briggs & Stratton 20 HP engine
- Air filter
- Fuel pump
- Mower Deck Parts
- 48-inch mower deck
- Deck rebuild kit (includes drive belt, blades, spindle assemblies, and idler pulleys)
- Transmission and Drive
- Front wheel bearings
- Transaxle components
- Belts and Cables
- Drive belts (GX20305, GY20571)
- Deck belt
- Wheels and Tires
- Front and rear wheel assemblies
- Tire replacements
- Steering and Suspension
- Steering gear assembly
- Front axle parts
- Miscellaneous Parts
- Battery
- Fuel tank
- Rear bagger components
- Maintenance Items
- Oil filters
- Spark plugs
- Grease fittings
These parts are essential for the maintenance and repair of the John Deere L120 lawn tractor, ensuring optimal performance and longevity.
John Deere L120 Specs
- Production Years: 2003 to 2005
- Series: L100 Series
- Type: Lawn Tractor
- Manufacturer: John Deere
- Assembly Location: Greeneville, Tennessee, USA
- Original Price (2005): $2,299
- Engine Options:
- 20 HP Briggs & Stratton 655cc 2-cylinder gasoline engine (2003-2004)
- 22 HP Briggs & Stratton 655cc 2-cylinder gasoline engine (2005)
- Engine Specifications:
- Displacement: 655 cc
- Bore/Stroke: 2.97 x 2.89 inches
- Air Cleaner: Replaceable foam
- Starter: Electric (12 volts)
- Transmission:
- Type: Tuff Torq K46 HD (belt-driven hydrostatic)
- Gears: Infinite forward and reverse
- Oil Capacity: 2.4 quarts
- Mechanical Features:
- Drive: Two-wheel drive
- Steering: Manual
- Brakes: Disc
- Power Take-off (PTO):
- Mid PTO: Independent
- Clutch: Electric
- Dimensions:
- Length: 60 inches (152 cm)
- Width: 36 inches (91 cm)
- Height: 38.6 inches (98 cm)
- Weight: 532 lbs (241 kg)
- Tires:
- Front Tires: 16 x 6.5-8
- Rear Tires: 22 x 9.5-12
- Mower Deck:
- Type: Mid-mount John Deere
- Cutting Width: 48 inches (121 cm)
- Cut Height Range: 1 to 4 inches
John Deere L120 Prices
The prices for the John Deere L120 vary significantly based on condition and whether the unit is new or used:
- New Prices: When it was available, the John Deere L120 had a retail price of approximately $2,200 to $2,300. This price included tax and was typical for purchases made around its release in the early 2000s.
- Used Prices:
- Current used prices for the L120 generally range from $500 to $1,000, depending on factors such as condition, hours of use, and included accessories.
- Specific listings show used models selling for about $600 to $800, with some units priced lower if they have higher wear or maintenance needs.
- Auction results indicate that well-maintained units can fetch around $800 to $1,000 at auction.
Overall, the John Deere L120 remains a popular choice in the used market due to its reliability and performance, making it a viable option for homeowners looking for an affordable lawn tractor.
John Deere L120 Problems
The John Deere L120 has several common problems reported by users:
- Engine Issues: Many owners have experienced rough running, misfiring, and sputtering. Problems often stem from fuel delivery issues, such as clogged fuel filters or carburetor problems. Some have reported needing to add fuel directly into the intake to start the engine.
- Transmission Problems: The hydrostatic transmission, specifically the Tuff Torq K46 model, has been criticized for its reliability. Users report that it tends to lose power when going uphill or under load, often requiring costly replacements or upgrades to a more robust transmission.
- Electrical Problems: Issues with the electric clutch have been noted, including intermittent engagement of the mower blades. This can be due to loose connections or faulty wiring in the clutch assembly.
- General Maintenance Challenges: Owners have reported that regular maintenance tasks, such as changing oil and filters, are necessary but can sometimes lead to further complications if not performed correctly.
- Head Gasket and Valve Problems: Some users have faced issues with head gaskets leaking, resulting in lower compression and smoke from the exhaust. Valve adjustments may also be necessary over time.
Overall, while the John Deere L120 is appreciated for its cutting performance and comfort, these common problems can affect its reliability and longevity. Regular maintenance and prompt attention to issues are crucial for keeping the tractor in good working condition.
John Deere L120 Deck Belt
Key details regarding the deck belt:
- Part Numbers: The primary part numbers for the deck belt are GX20305 and GY20571. These belts are designed to fit various models, including the L120 and L130.
- Specifications: The belt has a length of approximately 139 inches and a width of 0.5 inches. It is made from durable materials, often Kevlar, which enhances its longevity and resistance to wear.
- Replacement Interval: It is recommended to check and potentially replace the mower deck belt every 100 to 200 hours of operation, depending on usage conditions.
- Common Issues: Users may experience problems such as fraying or breaking of the belt, which can affect mowing performance. Regular inspection is advised to prevent operational issues.
- Installation: Replacing the deck belt involves removing the mower deck and following specific steps to ensure proper installation. Many resources, including videos and guides, are available to assist with this process.
- Cost: The price for a new deck belt typically ranges from $15 to $30, depending on the supplier and any additional shipping costs.
John Deere L120 Parts Diagram
The John Deere L120 parts diagram provides a detailed overview of the components and assemblies for this lawn tractor. Key elements include:
- Engine Components: Includes the engine block, air filter, fuel filter, and spark plugs. Maintenance intervals are specified for oil and filter changes.
- Mower Deck Assembly: Features the 48-inch mower deck with part numbers for blades, belts (GX20305 for the mower deck), and spindles. The diagram outlines the mounting points and adjustments necessary for proper leveling.
- Transmission Parts: Displays the hydrostatic transmission components, including the drive belt and associated linkage.
- Electrical System: Covers the ignition switch, battery, and wiring harnesses, detailing connections and components critical for starting and operation.
- Chassis and Frame: Illustrates the main frame structure, front axle, and wheel assemblies. It highlights areas where wear may occur, such as bushings and bearings.
- Miscellaneous Parts: Lists additional items like headlights, gauges, and maintenance kits that are essential for upkeep.
The parts diagram serves as a useful reference for identifying specific components when performing repairs or maintenance on the John Deere L120. It aids in locating part numbers for ordering replacements and understanding assembly configurations.
John Deere L120 Belt Diagram
The John Deere L120 belt diagram illustrates the routing and installation of the mower deck and drive belts for this lawn tractor. Key points include:
- Belt Types: The diagram typically includes the mower deck belt and the drive belt, with specific part numbers like GX20305 and GX21833 for replacement.
- Routing Path: It shows the correct path for the belts around various pulleys, including the engine pulley, idler pulleys, and the mower deck spindles. Proper routing is essential for optimal function and to prevent slippage or damage.
- Installation Steps: The diagram often accompanies instructions for removing the mower deck, which is necessary to access and replace the belts. It may detail the steps for loosening tension on the belts before removal.
- Maintenance Tips: Users are advised to regularly check belt condition and tension as part of routine maintenance to ensure efficient operation.
- Visual Reference: The diagram serves as a visual reference for users attempting to replace or adjust belts, making it easier to identify components and understand how they fit together.
Overall, the belt diagram is a valuable tool for troubleshooting and maintaining the John Deere L120, ensuring that users can effectively manage belt-related issues.
John Deere L120 Engine
The John Deere L120 is equipped with a Briggs & Stratton engine, which varies by production year. Key details include:
- Engine Options: The L120 features either a 20 HP or 22 HP Briggs & Stratton 655cc 2-cylinder gasoline engine. The 20 HP engine was used in models from 2003 to 2004, while the 22 HP engine was introduced in 2005.
- Specifications:
- Displacement: 655 cc
- Bore/Stroke: 2.97 x 2.89 inches
- Air Cleaner: Replaceable foam type
- Starter: Electric (12 volts)
- Performance: These engines are known for their durability and provide sufficient power for mowing, towing, and other light-duty tasks around the yard.
- Transmission: The L120 utilizes a Tuff Torq K46 HD hydrostatic transmission, allowing for smooth operation with infinite forward and reverse gears.
- Maintenance: Regular maintenance is crucial for optimal performance. This includes changing the oil and filters, checking spark plugs, and ensuring the air filter is clean.
- Common Issues: Users have reported problems such as rough running, misfiring, and issues with fuel delivery that can affect engine performance.
John Deere L120 Oil Filter
The oil filter for the John Deere L120 is an essential component for maintaining engine performance. Key details include:
- Part Number: The primary oil filter part number is AM125424, which is compatible with various John Deere models, including the L120.
- Specifications: The oil filter has a height of approximately 2.3 inches and an outer diameter of about 2.9 inches. It features a thread size of 3/4-16.
- Replacement Frequency: It is recommended to replace the oil filter during regular oil changes, typically every 50 hours of operation or at least once a year, depending on usage.
- Installation: When installing the new oil filter, it is advised to apply a small amount of clean oil to the rubber gasket to ensure a proper seal. The filter should be hand-tightened to avoid leaks.
- Availability: The oil filter can be purchased from various retailers, both online and in-store, often priced between $7 and $15.
John Deere L120 Transmission
The transmission of the John Deere L120 is a Tuff Torq K46 HD hydrostatic model, designed for smooth operation and ease of use. Key features include:
- Type: Hydrostatic transmission allows for infinite forward and reverse speeds, providing operators with precise control over speed and direction without the need for gear shifting.
- Oil Capacity: The transmission has an oil capacity of 2.4 quarts (2.3 liters). Regular oil changes are essential for maintaining performance, although the unit is considered a sealed system, making owner servicing less common.
- Performance: Users have reported that the K46 transmission delivers reliable power for mowing and light towing tasks. However, some have experienced sluggishness or loss of power, particularly when navigating inclines, which can indicate low oil levels or the need for maintenance.
- Maintenance Recommendations: It is suggested to change the transmission oil every 200 hours of operation or after the first 50 hours in heavy usage scenarios. Proper maintenance can help prevent issues such as slipping or reduced performance.
- Drive System: The L120 features a two-wheel drive system, complemented by manual steering and disc brakes, enhancing maneuverability and control during operation.
Overall, while the Tuff Torq K46 HD transmission is generally effective for residential lawn care tasks, attention to maintenance is crucial to ensure optimal performance and longevity.
John Deere L120 Battery
The battery for the John Deere L120 is a crucial component for starting and operating the lawn tractor. Key details include:
- Type: The L120 typically uses a 12-volt battery with a U1 form factor, which is standard for many lawn tractors.
- Specifications: Common specifications for replacement batteries include cold cranking amps (CCA) ranging from 200 to 300. The most frequently recommended replacements are AGM (Absorbed Glass Mat) batteries, known for their durability and maintenance-free design.
- Dimensions: Typical dimensions for compatible batteries are approximately 7.75 inches in length, 5.11 inches in width, and around 6.25 to 6.7 inches in height.
- Installation: Replacing the battery involves disconnecting the negative terminal first, followed by the positive terminal, and then lifting out the old battery. The new battery should be installed with terminals facing forward, reconnecting the positive terminal first and then the negative.
- Maintenance: AGM batteries are maintenance-free, meaning they do not require adding water or acid. However, it is important to ensure that connections are clean and tight to avoid starting issues.
- Warranty: Many replacement batteries come with a warranty period of around six months to one year, depending on the manufacturer.
John Deere L120 Snowblower
The John Deere L120 can be equipped with a snowblower attachment, specifically a 42-inch model designed for use with this lawn tractor. Key features and details include:
- Snowblower Model: The compatible snowblower for the L120 is typically a 42-inch unit, which is suitable for various snow conditions.
- Construction: The snowblower features a robust design, including a cast-iron gear box and shear bolt protection to handle tough conditions, such as ice and debris.
- Chute Control: Operators can rotate the chute up to 200 degrees from the seat, allowing for precise snow placement without needing to dismount.
- Height Adjustment: The snowblower allows users to change the height of the snow discharge on-the-go, enhancing convenience during operation.
- Parts Availability: Replacement parts for the snowblower are readily available, with various components listed for purchase, including gear cases and other essential parts.
- Cost: The price for the snowblower attachment typically starts around $930, with additional costs for replacement parts depending on specific needs.