John Deere LA105
The John Deere LA105 is a lawn tractor designed for homeowners seeking a reliable and efficient mowing solution. Powered by a 19.5-horsepower Briggs & Stratton engine, it features an anti-vibration system that enhances comfort during operation. The tractor’s design includes a durable one-piece frame made from 12-gauge steel, complemented by a cast-iron front axle, ensuring longevity and resistance to wear.
Equipped with a five-speed gear transmission, the LA105 allows operators to navigate various terrains with ease. It offers a cutting width of 54 inches and utilizes a three-blade system, enabling efficient grass cutting with adjustable height settings ranging from 1 to 4 inches. The deep-deck design facilitates an even cut while minimizing grass buildup on the mower deck.
The LA105 also incorporates user-friendly features such as an adjustable seat with ten positions, anti-vibration footpads, and a beverage holder for added comfort during extended use. Its operator station is open, providing ample space for maneuverability. The CargO Mount system simplifies the attachment of various implements, including baggers and snow removal tools, enhancing the tractor’s versatility.
Maintenance is straightforward, featuring a no-tools oil drain valve for easy oil changes and accessible filters for routine servicing. The tractor’s fuel tank has a capacity of 2.1 gallons, allowing for extended mowing sessions without frequent refueling.
Overall, the John Deere LA105 combines performance, durability, and comfort, making it an excellent choice for homeowners looking to maintain their lawns efficiently. Its robust construction and versatile features cater to diverse lawn care needs while ensuring ease of use and maintenance.
John Deere LA105 Parts
The John Deere LA105 lawn tractor has a variety of parts available for maintenance and repair, ensuring optimal performance and longevity. Key components include:
- Engine Parts: Essential items such as air filters, spark plugs, and oil filters are crucial for engine upkeep. The air filter (GY20573) and spark plug (M78456) should be replaced at regular intervals to maintain engine efficiency.
- Electrical Components: The LA105 features a starter solenoid (GY22476) that is integral to the starting system. Replacement options include aftermarket solenoids that come with necessary mounting hardware.
- Fuel System: The tractor utilizes an in-line fuel filter (AM116304), which should be changed regularly to prevent fuel system issues.
- Mower Deck Parts: The 42-inch mower deck includes various components like mower blades (UC21583), drive belts (GX22036), and leveling gauges (AM130907). These parts are essential for effective grass cutting and should be inspected frequently.
- Transmission and Drive: The traction drive belt (GX22036) is critical for power transfer from the engine to the wheels, while wheel bearings may need upgrading to prevent damage from repeated failures.
- Maintenance Kits: John Deere offers maintenance kits that include necessary items like grease, oil, and filters to simplify routine servicing.
- Accessories: Additional parts such as mulching kits and baggers enhance the tractor’s functionality for various lawn care tasks.
Overall, the availability of these parts ensures that LA105 owners can perform regular maintenance and repairs, keeping their lawn tractors in peak condition for effective lawn care.
Engine Components:
- Air Filter Kit: GY20573
- Air Cleaner: MIU13038
- Spark Plug (USA and Canada): M78456
- Spark Plug (Not for USA and Canada): MIU11020
- Muffler: GY21018 (S/N – 0200000), GY21535 (S/N 0200001-)
Electrical Parts:
- Battery (12 V, USA and Canada): TY25221B
- Battery (12 V, Not for USA and Canada): MCYP340PF
- Rotary Switch: GY20074
- Plunger Switch: GY20094
- Headlight Bulb: AD2062R
Fuel and Air Components:
- Fuel Filter (In-Line): AM116304
- Fuel Tank Filler Cap: GX22166
- Engine Oil Filter: AM125424
- Engine Oil (Turf Gard 10W30): TY22029
Transmission and Drive Parts:
- Traction Drive Belt: GX22036
- Flat Mower Belt: GX20072
- Control Lever Throttle Cable: GY20947
Mower Deck Components:
- Mower Blade: UC21583
- Mower Blade Kit (High Lift Bagging): AM141034
- Mower Blade Kit (Mulch): AM141033
- Mulch Kit: BM21816
- Gage Wheel: GX10168
- Mower Deck Leveling Gauge: AM130907
Maintenance Kits:
- Home Maintenance Kit: LG253
Miscellaneous Parts:
- Grease Gun: TY26183
- Multi-Purpose SD Polyurea Grease: TY6341
John Deere LA105 Specs
- Engine:
- Model: Briggs & Stratton 31
- Type: Single-cylinder, air-cooled gasoline
- Displacement: 499 cc (30.5 cu in)
- Power Output: 19.5 hp (14.5 kW)
- Bore x Stroke: 3.57 in x 3.06 in (91 mm x 78 mm)
- Fuel Tank Capacity: 2.1 gallons (7.9 liters)
- Oil Capacity: 1.5 quarts (1.4 liters)
- Transmission:
- Type: Manual, five-speed gear
- Drive: Two-wheel drive (2WD)
- Forward Speed: Up to 5 mph (8 km/h)
- Reverse Speed: Up to 3.2 mph (5.1 km/h)
- Dimensions:
- Wheelbase: 48.9 inches (124 cm)
- Length: 68.75 inches (174 cm)
- Width: 51.75 inches (131 cm) with mower deck
- Height: 42.5 inches (107 cm)
- Weight: 442 lbs (200 kg)
- Tires:
- Front Tires: 15 x 6.00-6
- Rear Tires: 20 x 8.0-8
- Mowing Deck:
- Cutting Width: Typically around 42 inches
- Deck Material: Stamped steel, deep-deck design for even cutting
- Cutting Height Adjustment: Ranges from approximately 1 to 4 inches with multiple settings
- Features:
- Adjustable seat with ten positions
- Open operator station for ease of access
- Anti-vibration system for smoother operation
John Deere LA105 Prices
The prices for the John Deere LA105 vary significantly between new and used models in the USA.
New Prices:
The John Deere LA105 is typically priced around $1,800 to $2,300 when purchased new, depending on the dealer and any additional features or attachments included. This pricing reflects its position as an entry-level lawn tractor suitable for residential use.
Used Prices:
Used John Deere LA105 models are available at a range of prices based on their condition, age, and maintenance history. Common price points for used units include:
– Approximately $725 for a well-maintained model.
– Around $1,100 for a 2011 model in good condition.
– Listings can go as low as $300 for older or less maintained units.
Overall, the LA105 offers a cost-effective option for homeowners looking for reliable lawn care equipment, with prices reflecting both new and used market conditions.
John Deere LA105 Belt Diagram
The John Deere LA105 belt diagram outlines the configuration for the mower deck belt, which is essential for proper operation. Key points regarding the belt setup include:
- Belt Routing: The belt must be routed around specific pulleys on the mower deck. It typically goes around the engine pulley and then through various guides and idlers to ensure proper tension and function.
- Removing Shrouds: To replace or install a new belt, it is recommended to remove the plastic shrouds covering the pulleys. This allows for easier access to lift the pulleys, facilitating the insertion of the belt without risking damage.
- Belt Installation: When installing a new belt, it is crucial to lift each pulley by removing the nuts securing them. This prevents forcing the belt through tight spaces, which could lead to wear or damage.
- Deck Configuration: The LA105 commonly features a 42-inch cutting deck, and the same belt configuration may apply to other models in the L Series.
This diagram and accompanying instructions are vital for maintaining the functionality of the LA105 lawn tractor and ensuring efficient grass cutting performance.
John Deere LA105 Battery
The John Deere LA105 uses a 12-volt battery, typically classified as a U1 type. Here are the key specifications and details regarding the battery:
- Voltage: 12 volts
- Cold Cranking Amps (CCA): Ranges from 300 to over 400 CCA, depending on the specific battery model.
- Dimensions: Common dimensions include approximately 7.76 inches in length, 5.12 inches in width, and around 6.7 inches in height.
- Weight: Generally weighs between 14 to 25 pounds, depending on the battery type and manufacturer.
- Type: Most batteries are sealed lead acid (SLA) or absorbed glass mat (AGM), which are maintenance-free and do not require acid filling.
- Warranty: Many replacement batteries come with a warranty period of around six months to one year.
When replacing the battery, it is essential to ensure proper installation by connecting the positive terminal first, followed by the negative terminal. Regular maintenance includes checking terminals for cleanliness and ensuring secure connections. If the tractor is not used for extended periods, it is advisable to charge the battery every 30 days to maintain its performance.
John Deere LA105 Parts Diagram
The John Deere LA105 parts diagram provides a detailed visual representation of the various components and their arrangement in the lawn tractor. Key sections of the diagram include:
- Engine Components: This section includes parts such as the air filter kit, spark plugs, and oil filter, which are essential for engine maintenance.
- Electrical Parts: It outlines components like the battery, rotary switch, and headlight bulb, highlighting their locations for easy access during repairs.
- Fuel and Air System: This includes the fuel filter and air cleaner, indicating their positions for routine checks and replacements.
- Mower Deck Components: The diagram shows the configuration of the mower deck, including the mower blades, belts (such as the flat mower belt), and gage wheels. It also details how to adjust the mower deck for optimal cutting height.
- Transmission and Drive Parts: This section covers components like the traction drive belt and throttle cable, essential for the tractor’s operation.
- Maintenance Kits: The parts diagram references maintenance kits that include various filters and lubricants necessary for regular upkeep.
The diagram serves as a valuable tool for owners and technicians to identify parts quickly and facilitate maintenance or repair tasks on the John Deere LA105 lawn tractor.
John Deere LA105 Drive Belt Diagram
The John Deere LA105 drive belt diagram illustrates the routing and configuration of the drive belt essential for the operation of the lawn tractor. Key points include:
- Belt Configuration: The diagram shows how the drive belt connects various components, including the engine pulley and the mower deck pulleys. Proper routing is crucial for ensuring that the belt operates efficiently without slipping or causing damage.
- Components Involved: It highlights the main pulleys involved in the drive system, including the tensioner pulley and idler pulleys, which help maintain proper tension on the belt during operation.
- Installation Process: The diagram serves as a guide for installing or replacing the drive belt. It emphasizes that to install a new belt, it may be necessary to remove certain shrouds or guards to access the pulleys easily.
- Maintenance Tips: Regular inspection of the belt for wear and proper tension is advised. Adjustments can be made to ensure optimal performance, and any damaged belts should be replaced promptly to avoid further issues.
Overall, this diagram is a valuable resource for users looking to understand the drive system of the John Deere LA105 and perform maintenance or repairs effectively.
John Deere LA105 Battery Size
The John Deere LA105 utilizes a U1 battery, specifically designed for lawn tractors. Key specifications for the battery include:
- Voltage: 12 volts
- Cold Cranking Amps (CCA): Typically ranges from 300 to 350 CCA, providing sufficient power for starting the engine in various conditions.
- Dimensions: Common sizes are approximately 7.76 inches in length, 5.12 inches in width, and 6.7 inches in height.
- Weight: Generally weighs around 14 to 25 pounds, depending on the specific model and manufacturer.
- Type: Most batteries are sealed lead acid (SLA) or absorbed glass mat (AGM), which are maintenance-free and do not require any additional fluid.
These specifications ensure that the battery meets the operational demands of the LA105, providing reliable starting power and performance.
John Deere LA105 Carburetor
The John Deere LA105 carburetor is a critical component of the lawn tractor’s engine, specifically designed for the Briggs & Stratton 19.5-horsepower engine. Here are the main points regarding its functionality and maintenance:
- Functionality: The carburetor mixes air and fuel for combustion, allowing the engine to start and run efficiently. A properly functioning carburetor is essential for optimal engine performance.
- Common Issues: Problems such as flooding, rough starting, or black smoke from the exhaust may indicate carburetor issues. These symptoms often arise from a stuck float or clogged jets, which can prevent the correct air-fuel mixture.
- Maintenance and Cleaning: Regular cleaning is necessary to prevent buildup caused by ethanol in fuel, which can lead to clogs. Disassembly of the carburetor allows access to clean internal components thoroughly. It is important to handle gaskets carefully during this process to ensure a proper seal upon reassembly.
- Replacement Options: If cleaning does not resolve issues, replacement may be more efficient than rebuilding. Aftermarket options, such as the MIA12509 carburetor kit, are available at a lower cost compared to OEM parts.
- Installation: Replacing the carburetor involves removing the old unit, installing the new one, and ensuring all connections are secure. It’s advisable to check related components like fuel lines and filters during this process.
John Deere LA105 Problems
The John Deere LA105 lawn tractor experiences several common problems that can affect its performance. Key issues include:
- Starting and Idling Problems: Users report difficulties with the engine starting or idling properly. Common causes include a stuck choke, clogged carburetor jets, or fuel line issues. Cleaning or replacing the carburetor is often necessary to resolve these issues.
- Surging After Running Out of Fuel: If the mower runs out of gas, it may surge after refueling due to debris from the tank clogging the carburetor. Users suggest checking and replacing the fuel filter and cleaning the carburetor to restore normal operation.
- Engine Stalling When Blades Are Engaged: Some users experience stalling when engaging the mower blades. This can occur if the lever is not properly reaching the micro switch that controls fuel flow. Adjusting or repositioning the micro switch may resolve this problem.
- Blowing White Smoke: A common issue reported is blowing white smoke, which can indicate a blown head gasket. This problem often arises after mowing thick grass and may require gasket replacement to fix.
- Rough Running and Black Smoke: The LA105 may run roughly and emit black smoke, indicating an overly rich fuel mixture or other carburetor-related problems. Checking oil levels and ensuring proper fuel flow are recommended steps for troubleshooting.
These issues highlight the importance of regular maintenance and prompt attention to symptoms to ensure the reliable operation of the John Deere LA105 lawn tractor.