John Deere 445 Parts
The John Deere 445 is a versatile garden tractor produced from 1992 to 2001 as part of the 400 Series. It features a powerful 22-horsepower Kawasaki FD620D engine with electronic fuel injection and hydrostatic transmission.
The 445 is compatible with various attachments, including mid-mount mower decks in 48″, 54″, and 60″ sizes, as well as front blades and snowblowers.
It offers hydraulic capabilities for easy attachment switching and operation.
With its robust design and adaptability, the John Deere 445 has been popular among homeowners and outdoor enthusiasts for handling a wide range of tasks like mowing, snow removal, and landscaping.
John Deere 445 Specs
The John Deere 445 is a garden tractor produced from 1992 to 2001. Here are its key specifications:
Engine:
– Kawasaki FD620D, 2-cylinder, liquid-cooled V-twin
– 22 horsepower
– 617 cc displacement
– Electronic fuel injection
– Bore/Stroke: 2.992 x 2.68 inches
– Compression ratio: 10.3:1
– Rated RPM: 3550
Transmission:
– Tuff Torq K91 hydrostatic transmission
– Infinite forward and reverse speeds
Dimensions and Weight:
– Wheelbase: 50.4 inches (2WS), 49.4 inches (AWS)
– Weight: 815 to 910 pounds
Tires:
– Front: 18×8.50-8
– Rear: 26×12.00-12
Hydraulics:
– Gerotor type
– Pressure: 1000 psi
– Pump flow: 4.65 gpm
– Rear lift capacity: 650 lbs
PTO:
– Rear PTO: Independent, 540 RPM (optional)
– Mid PTO: Independent, 2000 RPM
Attachments:
– Compatible with 48″, 54″, and 60″ mid-mount mower decks
– Can be equipped with snowblower, blade, and front-end loader
Other Features:
– Power steering
– Wet disc brakes
– 6.5-gallon fuel tank
– 12-volt electrical system with 20-amp alternator
The John Deere 445 was a versatile and powerful garden tractor suitable for various tasks, including mowing, snow removal, and landscaping.
John Deere 445 Parts List
The John Deere 445 garden tractor has a wide range of available parts and accessories to maintain and enhance its functionality. Here’s an overview of some key parts and attachments for the John Deere 445:
Mower Decks:
– 48-inch mower deck
– 54-inch mower deck
– 60-inch mower deck (available for models before and after deck serial number 106047)
Snow Removal Attachments:
– 47-inch snowblower[2]
– 54-inch quick-hitch front blade
Engine and Transmission Parts:
– Engine kits
– Fuel system components
– Transmission parts (for the Tuff Torq K91 hydrostatic transmission)
Tires:
– Front tires: 18×8.50-8
– Rear tires: 26×12.00-12
Accessories:
– Tractor cab sunshades
– Enclosures
– Snow blade runners
– Blade and wheelsets
Other Common Parts:
– Filters (air, oil, fuel)
– Belts and pulleys
– Electrical components (alternator, battery, starter)
– Hydraulic system parts
– PTO (Power Take-Off) components
The Green Dealer and other John Deere parts suppliers offer a comprehensive selection of OEM and aftermarket parts for the 445 model
When ordering parts, it’s important to have your tractor’s serial number handy, as parts may vary depending on the production year (1992-2001) and specific configurations.
For detailed parts diagrams and specific part numbers, it’s recommended to consult the John Deere parts catalog or use online parts lookup tools provided by authorized dealers.
John Deere 445 Parts Manual
1. The John Deere 445 lawn and garden tractor has a comprehensive technical manual that includes parts information, service procedures, and repair details. This manual covers models 425, 445, and 455.
2. To locate specific parts for your John Deere 445, you can use online parts catalogs provided by authorized John Deere dealers. These catalogs often have detailed diagrams and part numbers.
3. When looking up parts, it’s important to have your tractor’s serial number handy. The serial number helps identify the exact year and configuration of your 445 model, as parts may vary depending on the production year (1992-2001).
4. The parts manual typically includes sections for different components of the tractor, such as:
– Engine parts
– Transmission components
– Mower deck parts (for 48″, 54″, and 60″ decks)
– Hydraulic system parts
– Electrical components
– Attachments and accessories
5. For maintenance purposes, the parts manual is often used in conjunction with a maintenance guide, which outlines service schedules and common replacement parts.
6. If you’re looking for specific attachments, the parts manual should include information on compatible equipment like snowblowers, front blades, and various mower decks.
7. Many authorized John Deere dealers and parts suppliers offer online parts lookup tools that can help you find the exact part you need based on your tractor’s model and serial number.
Remember, for the most accurate and up-to-date parts information, it’s best to consult the official John Deere parts manual or contact an authorized John Deere dealer. They can provide you with the specific part numbers and availability for your John Deere 445 tractor.
John Deere 445 Engine
The John Deere 445 is equipped with a Kawasaki FD620D engine. Here are the key specifications of this engine:
– Type: 2-cylinder, liquid-cooled horizontal-shaft V-twin OHV gasoline engine
– Displacement: 617 cc (37.7 cubic inches)
– Bore and Stroke: 2.992 x 2.68 inches (76 x 68 mm)
– Power: 22 horsepower (16.4 kW)
– Fuel system: Electronic fuel injection
– Compression ratio: 10.3:1
– Rated RPM: 3550
– Idle RPM range: 1450-3550
– Cooling system: Liquid-cooled with 3 quarts (2.8 L) coolant capacity
– Starting system: Electric starter (12 volts, 1.1 hp)
– Spark plug: Champion CJ8 with 0.030 inches (0.762 mm) gap
– Oil capacity: 1.6 quarts (1.5 L)
The engine features a paper element air cleaner with pre-cleaner. It’s worth noting that early versions of this engine used plastic cam gears, but steel cams were introduced starting from engine serial number 150198.
This powerful and efficient engine contributed to the John Deere 445’s versatility and popularity as a garden tractor, providing ample performance for various tasks such as mowing, tilling, and snow removal.
John Deere 445 Replacement Engine
The John Deere 445 garden tractor can be repowered with a replacement engine. Here are the key points about engine replacement options for the John Deere 445:
1. Kawasaki FD791D Replacement: A popular option is to upgrade to a Kawasaki FD791D 29 HP engine. This engine offers more power than the original 22 HP Kawasaki FD620D
2. Engine Specifications:
– Displacement: 745 cc (increased from the original 617 cc)
– Power: 29 HP (up from 22 HP)
– Bore/Stroke: 3.07 x 3.07 inches
– Fuel System: Fuel Injected
– Cooling: Liquid-cooled
– Starting: Electric start with 12V system
3. Installation Kit: Replacement engine kits often come with mounting brackets, hardware, and instructions designed for easy installation in the John Deere 445 chassis.
4. Compatibility: The replacement engine is typically designed to be a drop-in fit, with adaptations for fuel lines, exhaust, and wiring to match the original setup.
5. Warranty: Many replacement engine kits come with a warranty, often 2 years for both consumer and commercial use.
6. Professional Support: Some suppliers offer technical support from experienced mechanics to assist with installation and troubleshooting.
7. Alternative Options: In some cases, owners have considered using engines from other John Deere models, such as the 425, though this may require adapting fuel injection components.
When considering an engine replacement, it’s important to ensure compatibility with your specific John Deere 445 model and to follow proper installation procedures to maintain the tractor’s performance and reliability.
John Deere 445 Attachments
The John Deere 445 garden tractor is compatible with a wide range of attachments, making it a versatile machine for various tasks. Here are the key attachments available for the John Deere 445:
Mower Decks:
– 48-inch mid-mount mower deck
– 54-inch mid-mount mower deck
– 60-inch mid-mount mower deck
Snow Removal:
– Snowblower
– Front blade (requires front hitch BM17347)
Landscaping:
– Front-end loader[2]
– 42-inch hydraulic tiller (M04390X) for use with the three-point hitch
Material Collection:
– Various material collection systems for grass clippings and leaves
Sprayers and Spreaders:
– Attachments for applying fertilizers, herbicides, or seeds
Miscellaneous:
– Weights and wheels for added traction and stability
– Cabs and enclosures for weather protection
– Seats and hitches for improved comfort and functionality
To use the front blade or snowblower, the 445 requires the front hitch (BM17347). Additionally, a front PTO kit (BM17330) is necessary for operating a snowblower.
These attachments significantly enhance the John Deere 445’s capabilities, allowing it to handle a variety of tasks throughout the year, from lawn maintenance to snow removal and landscaping projects.
John Deere 445 Loader
1. The John Deere 445 is listed as being compatible with a front-end loader attachment.
2. Front-end loaders are mentioned as one of the available attachments for the John Deere 445, along with other attachments like mower decks, snowblowers, and blades.
3. John Deere offers a loader compatibility tool on their website to help find the right loader for different tractor models, though the 445 is not specifically mentioned in the provided search result.
4. The 445 model was produced from 1992 to 2001 and was part of the 400 Series garden tractors.
5. To use front attachments like a loader, the 445 requires a front hitch (part number BM17347)
For more detailed information about compatible loader models and their specifications, it would be best to consult with an authorized John Deere dealer or refer to the official John Deere parts catalog for the 445 model.
John Deere 445 Parts Diagram
1. Jack’s Small Engines offers a comprehensive parts lookup system for the John Deere 445. Their website provides:
– Exploded view parts diagrams
– Complete views of all major manufacturers’ parts
– Easy and free access to these diagrams
2. The Green Dealer also offers a broad selection of parts and accessories for the John Deere 425, 445, and 455 series. While they don’t specifically mention diagrams, they provide a wide range of parts including:
– Tractor cab sunshades
– Enclosures
– Snow blade runners
– Blade and wheelsets
– Engine kits
3. For more specific part lookups, Weingartz provides a Quick Parts Reference Guide and Parts Illustrated Diagrams for the John Deere 445 Lawn Tractor.
4. Green Part Store offers a detailed breakdown of parts for the John Deere 445, including separate sections for different attachments
– 48-inch mower deck parts
– 54-inch mower deck parts
– 60-inch mower deck parts (before and after deck serial number 106047)
– 47-inch Snow Blower Parts
– 54-inch Quick-Hitch Front Blade Parts
To access the most accurate and up-to-date parts diagrams, it’s recommended to use these online resources or consult with an authorized John Deere dealer.
When looking up parts, remember to have your tractor’s serial number handy, as parts may vary depending on the production year and specific configuration of your John Deere 445.
John Deere 445 Battery
The John Deere 445 garden tractor requires a 12-volt battery for operation. Here are the key details about the battery for this model:
1. Battery Type: The John Deere 445 uses a U1 type battery.
2. Cold Cranking Amps (CCA): The battery should have a CCA rating of 340 amps.
3. Voltage: The electrical system operates on 12 volts.
4. Battery Group: The battery belongs to Battery Group U1
5. Replacement Options: There are several replacement battery options available for the John Deere 445, including:
– AJC® compatible replacement batteries, which are designed to fit easily and precisely.
– Aftermarket batteries from auto parts stores, which some users have found to be a cost-effective alternative.
6. Longevity: With proper maintenance, replacement batteries can last several years. One user reported using an aftermarket battery for 4 years with good results.
7. Availability: Replacement batteries are readily available from various sources, including online retailers and local auto parts stores.
When replacing the battery in your John Deere 445, it’s important to ensure that the replacement matches the original specifications, particularly in terms of voltage (12V) and the U1 group size.
While OEM (Original Equipment Manufacturer) batteries from John Deere are an option, many users have found success with compatible aftermarket batteries that meet the required specifications.
John Deere 445 Problems
1. Engine Flooding: Some users have experienced flooding issues, particularly in the left cylinder. This can lead to gas shooting out of the cylinder when the spark plug is removed, and even leaking from the muffler.
2. Fuel Injection Issues: The flooding problem may be related to the fuel injection module (part number AM121682), which could potentially be faulty.
3. Governor Problems: Users have reported issues with the governor, which controls engine speed.
4. Engine Performance: Some owners have experienced the engine balking or running poorly.
5. Mower Deck Issues: There have been reports of the deck shaking and the blades being slow to come up to speed.
6. Plastic Components: While not specific to the 445, the 400 series tractors are known for having issues with broken plastic hoods and side panels, which are expensive to replace and necessary for proper engine cooling.
7. Maintenance Concerns: As these tractors age, proper maintenance becomes crucial. Potential buyers should inquire about the maintenance history, especially for units with around 900 hours of use.
It’s important to note that while these issues have been reported, many users also report satisfaction with their John Deere 445 tractors.
John Deere 445 Maintenance Tips
1. Follow the recommended service schedule:
– Change oil and oil filter every 50/200 hours
– Replace transaxle oil filter every 50/200 hours
– Replace fuel filter every 250 hours
– Replace air filters (foam and paper) every 200 hours
– Refill low viscosity Hygard and engine oil as needed
2. Regularly grease components using JD Multi Purpose SD Polyurea Grease as needed.
3. Check and replace common wear items as necessary:
– Spark plugs
– Belts
– Blades
– Tires and wheels
– Headlight and warning light bulbs
4. Keep the mower deck clean and level. Use the mower deck leveling gauge for proper adjustment.
5. Inspect and clean the fuel pump filter periodically.
6. Check battery condition and keep it properly charged.
7. Monitor engine performance and address any issues promptly, like cylinder problems or governor issues.
8. Keep an eye on the transmission, listening for unusual noises and checking fluid levels.
9. Clean the radiator and check coolant levels regularly.
10. Wash the tractor after use to prevent buildup of grass and debris.
11. Store the tractor properly when not in use, ideally in a covered area.
John Deere 445 Hydraulic Fluids
1. Fluid Type: The John Deere 445 uses Low Viscosity Hygard fluid for both the transaxle and hydraulic attachments.
2. Capacity: You’ll need approximately 2 gallons of Low Viscosity Hygard to perform a full fluid change.
3. Change Procedure:
– The drain plug is located at the rear of the transaxle and uses a 17mm bolt
– It’s recommended to park the tractor on a slight incline to ensure complete drainage
– Remove the dipstick to allow the system to vent during draining
4. Filter: The hydraulic system uses an AM116156 filter, which should be replaced during fluid changes[1].
5. Maintenance Schedule: While not explicitly stated for the 445, similar models recommend changing the transaxle oil filter every 50/200 hours.
6. System Pressure: The hydraulic system operates at a pressure of 1000 psi.
7. Pump Flow: The hydraulic pump has a flow rate of 4.65 gpm.
8. Checking Fluid Level: Use the dipstick to check the fluid level, ensuring the tractor is on level ground for an accurate reading
9. Post-Change Procedure: After changing the fluid, start the machine and drive it forward and backward to ensure proper operation.
When performing hydraulic fluid maintenance on your John Deere 445, always refer to the owner’s manual for specific instructions and safety precautions.
John Deere 445 Spark Plug
1. Recommended Spark Plug: The generally recommended spark plug for the John Deere 445 is the Champion CJ8.
2. Alternative Options: Some sources mention NGK BPR5ES and NGK BMR4A as alternatives.
3. Confusion in Specifications: There seems to be some variation in spark plug recommendations depending on the engine code:
– For engine codes ASO2, BSO2, CSO2, DSO2, ESO2, FSO2: AM101194 (NGK BMR4A)
– For engine code GSO2: M805853 (NGK BPR4S or Champion RN16Y)
4. Gap Setting: The spark plug gap should be set to 0.030 inches (0.762 mm).
5. Maintenance Issues: Some users have reported spark plug fouling problems, particularly dry carbon fouling, which is not related to oil burning.
6. No Spark Issues: There have been reports of the 445 suddenly losing spark to both plugs, which could indicate electrical system problems.
7. Importance of Engine Code: To determine the correct spark plug, it’s helpful to know the specific engine code of your 445, as recommendations can vary.
8. Replacement Frequency: While not explicitly stated for the 445, it’s generally good practice to replace spark plugs as part of regular maintenance.
John Deere 445 Map Sensor
The John Deere 445 garden tractor uses a Manifold Absolute Pressure (MAP) sensor as part of its engine management system. Here are the key points about the MAP sensor for the John Deere 445:
1. Part Number: The MAP sensor for the John Deere 445 is identified by the part number M117803.
2. Function: The MAP sensor measures the pressure in the intake manifold, providing crucial data to the engine control module for fuel injection and ignition timing adjustments.
3. Diagnostic Importance: Unplugging the vacuum to the sensor can be used as a diagnostic test. This action tells the MAP sensor that no vacuum exists in the intake manifold, causing the control module to adjust accordingly.
4. Potential Issues: Some users have reported problems potentially related to faulty MAP sensors. Symptoms can include engine hunting or poor performance.
5. Replacement: If the MAP sensor is suspected to be faulty, it can be replaced. The sensor is available as a spare part from various suppliers.
6. Engine Performance: A malfunctioning MAP sensor can lead to issues with engine performance, as it plays a crucial role in the engine’s fuel management system.
When troubleshooting engine issues on a John Deere 445, the MAP sensor is one of the components that should be checked. If you’re experiencing problems like erratic engine behavior or poor performance, it may be worth inspecting or testing the MAP sensor as part of your diagnostic process.
John Deere 445 Fuel Pump
1. Fuel Filter: The John Deere 445 uses a fuel filter (part number AM116304) that should be replaced every 250 hours as part of regular maintenance.
2. Fuel Pump Filter: There is mention of a fuel pump filter (part number M111816) in the list of commonly used parts for the John Deere 445.
3. Fuel System: The John Deere 445 is equipped with electronic fuel injection, which is part of the Kawasaki FD620D engine.
4. Engine Specifications: The engine uses a gasoline fuel system with electronic fuel injection for efficient fuel delivery and performance consistency.
5. Maintenance: While not specific to the fuel pump, regular maintenance of the fuel system, including changing the fuel filter and checking for any leaks or issues, is important for the proper functioning of the tractor.
John Deere 445 Fuel Pump Relay Location
1. Fuel Pump: While not mentioning the relay specifically, there is a fuel pump assembly available for the John Deere 445. An eBay listing shows a fuel pump assembly with part number AM117108.
2. Fuel System Components: The John Deere 445 uses several fuel system components, including:
– Fuel filter (part number AM116304)
– Fuel pump filter (part number M111816)
3. Electronic Fuel Injection: The John Deere 445 is equipped with electronic fuel injection as part of its Kawasaki FD620D engine.
4. Maintenance: Regular maintenance of the fuel system, including changing the fuel filter every 250 hours, is recommended for proper functioning of the tractor.
It’s typically located near other electrical components, possibly in a fuse box or near the battery.
For the exact location of the fuel pump relay, you would need to consult the John Deere 445 service manual or contact an authorized John Deere dealer.
The fuel pump relay is an important component in the electronic fuel injection system, controlling power to the fuel pump.
John Deere 445 Snowblower
The John Deere 445 garden tractor is compatible with a snowblower attachment. Here are the key details about the snowblower for the John Deere 445:
1. Model: The compatible snowblower is a 47-inch model designed specifically for the 400 series tractors, including the 445.
2. Attachment Requirements: To use the snowblower, the 445 requires:
– A front hitch (part number BM17347)
– A front PTO kit (part number BM17330)
3. Parts Availability: Replacement parts for the 47-inch snowblower are available from various John Deere parts suppliers.
4. Compatibility: The snowblower is designed to work with the John Deere 445’s hydraulic system and PTO.
5. Operation: The snowblower attaches to the front of the tractor and is powered by the tractor’s engine through the PTO.
6. Versatility: This attachment significantly enhances the 445’s winter utility, allowing it to clear snow from driveways, paths, and other areas.
7. Installation: While not explicitly stated, snowblower attachments typically require some setup and may need professional installation, especially for the PTO kit.
8. Maintenance: Like other attachments, the snowblower will require regular maintenance to ensure optimal performance.
The 47-inch snowblower attachment transforms the John Deere 445 from a summer lawn tractor into a versatile winter maintenance machine, making it useful year-round for property owners in snowy climates.
John Deere 445 Tiller
1. Compatibility: While not explicitly mentioned for the 445, many John Deere garden tractors are compatible with tiller attachments.
2. Attachment Type: Tillers for garden tractors are typically rear-mounted attachments that connect to the tractor’s three-point hitch system.
3. Power Source: Tillers usually operate using the tractor’s power take-off (PTO) system.
4. Size: Common tiller widths for garden tractors range from 36 to 48 inches, but the exact size compatible with the 445 would need to be verified.
5. Purpose: Tillers are used for breaking up soil, mixing in compost or fertilizer, and preparing seedbeds for planting.
6. Installation: Attaching a tiller typically requires the tractor to have a rear PTO and a category 0 or 1 three-point hitch.
7. Maintenance: Regular maintenance of tiller attachments includes checking and replacing tines as needed, and lubricating moving parts.
John Deere 445 Rear PTO Kit
1. PTO System: The John Deere 445 is equipped with a Power Take-Off (PTO) system, which is used to power various attachments.
2. Mid PTO: The 445 has a mid-mounted PTO that operates at 2000 RPM. This is typically used for powering mower decks and other mid-mounted attachments.
3. Front PTO Kit: While not a rear PTO, it’s worth noting that the 445 can be equipped with a front PTO kit (part number BM17330). This is used for powering front-mounted attachments like snowblowers.
4. Attachments: The 445 is compatible with various PTO-driven attachments, including mower decks, snowblowers, and potentially tillers.
5. Maintenance: Regular maintenance of the PTO system is important for proper functioning of attachments.
6. Compatibility: When considering attachments for the 445, it’s important to ensure they are compatible with the tractor’s PTO system.
John Deere 445 Bagger
1. Compatibility: Many John Deere garden tractors, including those in the 400 series, are compatible with material collection systems (baggers).
2. Attachment Type: Baggers for garden tractors are typically rear-mounted attachments that collect grass clippings and leaves.
3. Capacity: Bagger systems for similar models often have dual or triple bag configurations, with capacities ranging from 6 to 14 bushels.
4. Installation: Bagging systems usually require a power flow system to be installed on the tractor, which helps move clippings from the mower deck to the collection bags.
5. Mower Deck Compatibility: The bagger system needs to be compatible with the specific mower deck size used on the tractor (the 445 is compatible with 48″, 54″, and 60″ decks).
6. Purpose: Baggers are used for collecting grass clippings and leaves, providing a clean and manicured look to lawns.
7. Maintenance: Regular cleaning and proper storage of the bagger system are important for optimal performance and longevity.
John Deere 445 3 Point Hitch
1. Compatibility: The John Deere 445 is a garden tractor, and typically, garden tractors in this class do not come standard with a 3-point hitch.
2. Attachment System: The 445 uses other attachment systems for implements, such as:
– Mid-mount mower decks (48″, 54″, and 60″ options)
– Front-mounted attachments like snowblowers and blades
3. Front Hitch: The 445 can be equipped with a front hitch (part number BM17347) for certain attachments.
4. PTO System: The 445 has a mid-mounted PTO, which is used to power various attachments.
5. Alternative Attachments: Instead of a 3-point hitch, the 445 is designed to work with specific attachments made for its model, such as mower decks, snow blowers, and front blades.
6. Purpose: On larger tractors, 3-point hitches are used for attaching and operating a wide variety of implements. However, garden tractors like the 445 typically use different systems for their attachments.
It’s important to note that while 3-point hitches are common on larger agricultural tractors, they are not typically found on garden tractors like the John Deere 445. For specific attachment options and capabilities of the 445, it would be best to consult the John Deere operator’s manual or contact an authorized John Deere dealer.
John Deere 445 Fuel Injector
1. Fuel System Type: The John Deere 445 is equipped with electronic fuel injection (EFI) as part of its Kawasaki FD620D engine.
2. Engine Specifications:
– Engine: Kawasaki FD620D
– Fuel type: Gasoline
– Configuration: 2-cylinder, liquid-cooled horizontal-shaft V-twin OHV
– Displacement: 617 cc
– Fuel system: Electronic fuel injection.
3. Fuel Filter: The John Deere 445 uses a fuel filter that should be replaced as part of regular maintenance.
4. Performance: The electronic fuel injection system ensures efficient fuel delivery and performance consistency.
5. Maintenance: Regular maintenance of the fuel system, including checking for any leaks or issues, is important for the proper functioning of the tractor
For more specific information about the fuel injectors for the John Deere 445, including part numbers or replacement procedures, it would be best to consult the John Deere service manual or contact an authorized John Deere dealer.