Kubota D1305 Engine and Parts Buyers Guide

Kubota D1305 Engine

The Kubota D1305 engine is a compact, high power density diesel engine renowned for its performance and efficiency. It features a naturally aspirated, vertical, water-cooled design with three cylinders, a bore of 78 mm, and a stroke of 88 mm, resulting in a displacement of 1.261 liters. This configuration allows the engine to achieve a rated output of 21.7 kW (29.1 HP) at 3000 RPM and a maximum torque of 80.1 Nm at 2000 RPM.

Designed to meet stringent emissions regulations, the D1305 complies with EPA/CARB Interim Tier 4 and EU Stage IIIA standards. Its combustion system employs indirect injection and utilizes Kubota’s E-TVCS (Three Vortex Combustion System), which optimizes airflow and combustion chamber design to minimize particulate matter emissions. This makes the engine suitable for various applications while maintaining environmental compliance.

The D1305 engine is recognized for its durability and reliability, making it a preferred choice among industrial equipment manufacturers. Its design includes a shallow, large-capacity oil pan that keeps the engine height low, facilitating installation in compact spaces. Additionally, the cooling water passages between the cylinder bores are engineered using advanced casting technology to enhance heat dissipation, ensuring consistent performance even under high load conditions.

Weighing approximately 95 kg, the D1305 is compact yet powerful, making it versatile for use in agricultural machinery, construction equipment, and other industrial applications. The engine’s dimensions are designed to fit seamlessly into various types of equipment while providing robust performance characteristics that meet the demands of modern machinery. Overall, the Kubota D1305 engine exemplifies innovation in diesel technology, offering both power and efficiency in a compact package.

Kubota D1305 Oil Filter

The Kubota D1305 engine utilizes a specific oil filter designed for optimal performance and maintenance. The oil filter is essential for ensuring the longevity and efficiency of the engine by removing contaminants from the oil, which can accumulate during operation.

The part number for the oil filter suitable for the D1305 engine is OF3. This filter is compatible with several other Kubota engine models as well, including the D1105, D1302, D1403, and various V-series engines. The design of the filter ensures that it can handle the demands of a high-performance diesel engine like the D1305, which has a displacement of 1.261 liters and operates at a maximum power output of 21.7 kW at 3000 RPM.

Regular replacement of the oil filter is crucial for maintaining engine health, as it prevents dirt and debris from circulating through the engine components. The Kubota D1305’s oil system has a capacity of approximately 5.7 liters, making it important to choose a high-quality filter that can effectively manage this volume.

Using genuine or high-quality aftermarket filters is recommended to ensure compatibility and performance. Proper maintenance practices, including timely oil and filter changes, contribute significantly to the overall reliability and efficiency of the Kubota D1305 engine in various applications such as agriculture, construction, and industrial machinery.

Kubota D1305 Specs

The Kubota D1305 is a compact, high-performance diesel engine with a displacement of 1.261 liters. It features a naturally aspirated, vertical, water-cooled design with three cylinders, a bore of 78 mm, and a stroke of 88 mm.

The D1305 engine complies with EPA/CARB Interim Tier 4 and EU Stage IIIA emissions regulations. It utilizes indirect injection and Kubota’s E-TVCS (Three Vortex Combustion System) to optimize airflow and combustion chamber design, minimizing particulate matter emissions.

The engine delivers a rated output of 21.7 kW (29.1 HP) at 3000 RPM and a maximum torque of 80.1 Nm at 2000 RPM. Its dimensions are 480 x 396 x 590 mm, and it weighs approximately 95 kg, making it suitable for various industrial applications such as agricultural machinery and construction equipment.

The D1305 engine is known for its durability and reliability. It features a shallow, large-capacity oil pan that keeps the engine height low, facilitating installation in compact spaces. The cooling water passages between the cylinder bores are designed using advanced casting technology to enhance heat dissipation, ensuring consistent performance even under high load conditions.

Kubota D1305 Common Problems

Here are some common issues that can arise with the Kubota D1305 diesel engine:

The engine may not start due to fuel system issues like water or debris in the fuel tank, a clogged fuel filter, or air in the fuel lines. Sticky engine oil in cold weather can also cause slow cranking. A discharged battery is another potential cause.

Insufficient power output can be due to a lack of fuel supply, overheating of moving parts from poor lubrication, a dirty air filter, or a worn injection pump.

Sudden engine stalling may result from a lack of fuel, a faulty fuel injection nozzle, or overheating of bearing parts due to low lubrication oil.

Exhaust smoke issues can stem from using poor quality fuel or a faulty injection nozzle (dark smoke), worn piston rings mixing oil with the cylinder (blue smoke), or water in the fuel (white smoke).

Overheating can be caused by a low coolant level, a broken or loose fan belt, clogged radiator fins, a defective thermostat or temperature gauge, or overloading the engine.

Other common problems include cylinder head warpage and valve seat damage from overheating, connecting rod bending from sudden failure, and difficulty sourcing replacement parts for older engines.

To prevent and troubleshoot these issues, it’s important to follow the recommended maintenance schedule, use proper quality fuel and oil, and address problems promptly before they lead to more extensive damage. Consulting the service manual can provide more detailed guidance on diagnosing and repairing specific problems with the D1305 engine.

Kubota D1305 Engine for Sale

The Kubota D1305 engine is available for sale from various suppliers. A new complete D1305 engine, specifically the D1305-E4B-EU-X4 model, is listed for £2,850. This engine is designed for multiple applications and comes with a Kubota factory warranty, ensuring reliability and performance.

In addition to the new engine, there are options for different configurations and specifications. The D1305 engine features a displacement of 1.261 liters, a rated output of 21.7 kW (29.1 HP) at 3000 RPM, and maximum torque of 80.1 Nm at 2000 RPM. It operates with a naturally aspirated design and complies with EPA Tier 4 emissions regulations.

When considering the purchase of a Kubota D1305 engine, it is advisable to check with various suppliers for availability, pricing, and warranty options to ensure you find the best deal that meets your specific needs.

Applications

The D1305 engine is a versatile and powerful diesel engine suitable for a variety of applications due to its compact design and high power density. Here are the primary applications where the D1305 engine excels:

1. Agricultural Equipment: The D1305 is commonly used in tractors, tillers, and other farming machinery. Its durability and efficiency make it ideal for tasks that require reliable power.

2. Construction Machinery: This engine is well-suited for construction equipment such as mini excavators, loaders, and compactors, where space is limited but power is essential.

3. Industrial Equipment: The D1305 can be found in various industrial applications, including generators and pumps, providing dependable performance in demanding environments.

4. Material Handling: Forklifts and other material handling equipment benefit from the engine’s robust torque characteristics, making it effective for lifting and moving heavy loads.

5. Grounds Maintenance The engine is also utilized in lawn care equipment, such as mowers and blowers, where its quiet operation and low emissions are advantageous.

6. Marine Applications: Due to its compact size and efficiency, the D1305 can be adapted for use in small boats or marine equipment, providing reliable propulsion.

Overall, the D1305 engine’s combination of power, efficiency, and compliance with emission regulations makes it a preferred choice across these diverse sectors.

Warranty

The warranty period for the Kubota D1305 engine is two years or 2,000 hours of operation, whichever comes first. This warranty covers defects and malfunctions that occur under normal use and service conditions. To obtain repairs under warranty, the engine must be taken to an authorized Kubota Engine service facility along with proof of purchase. Certain exceptions may apply based on geographical location or specific agreements. Proper maintenance and care are essential to maintain warranty coverage.

Kubota D1305 Oil Capacity

The oil capacity for the Kubota D1305 engine is 5.7 liters (approximately 6.0 US quarts or 5.0 Imperial quarts). This capacity includes the oil in the engine’s oil pan and is essential for ensuring proper lubrication and operation of the engine components. Regularly checking and maintaining the correct oil level is crucial for optimal engine performance and longevity.

Kubota D1305 Parts

The Kubota D1305 engine has a variety of parts available for maintenance and repair. Common parts include:

– Pistons and Ring Sets: Essential for maintaining compression and engine efficiency.
– Crankshafts: Critical for converting linear motion to rotational motion.
– Camshafts: Important for controlling the timing of the engine’s intake and exhaust valves.
– Oil and Water Pumps: Necessary for circulating oil and coolant throughout the engine.
– Injectors: Vital for delivering fuel into the combustion chamber.
– Gaskets and Seals: Used to prevent leaks between engine components.

These parts can be sourced from various suppliers, including authorized Kubota dealers and aftermarket parts retailers. It is advisable to use genuine OEM parts to ensure compatibility and maintain the engine’s performance. Regular maintenance with quality parts can significantly extend the life of the D1305 engine.

Kubota D1305 Cylinder Head

The cylinder head for the Kubota D1305 engine is a crucial component that plays a significant role in the engine’s performance. Replacement cylinder heads are available for the D1305, and they are designed to fit perfectly with the engine’s specifications.

When sourcing a cylinder head, it is important to ensure compatibility with the D1305 model. Replacement options may include new or refurbished heads, and they typically come with necessary accessories such as head bolts and gaskets.

Proper installation of the cylinder head requires adherence to specific torque settings to avoid issues such as leaks or warping. Regular maintenance and inspection of the cylinder head can prevent potential problems like overheating or loss of compression, which can affect overall engine performance.

For those looking to purchase a replacement cylinder head for the Kubota D1305, various suppliers offer these parts, often accompanied by technical information and support for installation.

Kubota D1305 Rebuild Kit

The Kubota D1305 rebuild kit includes essential components necessary for overhauling the engine. These kits typically consist of high-quality, genuine Kubota parts to ensure reliability and performance. Common items found in a rebuild kit for the D1305 may include:

– Piston kits
– Bearing kits
– Gasket sets (upper and lower)
– Oil seals
– Cylinder head gaskets

Using a complete rebuild kit is recommended to maintain the integrity of the engine and ensure all components are compatible. Genuine Kubota overhaul kits provide peace of mind, as they are designed specifically for the D1305 engine, ensuring that the parts meet the required specifications for optimal performance.

When considering a rebuild kit, it is advisable to consult with authorized Kubota dealers or reputable suppliers to obtain the correct kit for your specific engine model and application. Regular maintenance and timely overhauls using quality parts can significantly extend the life of the D1305 engine.

Kubota D1305 Parts Manual

The Kubota D1305 parts manual provides detailed information on the components and specifications of the engine. It includes diagrams, part numbers, and descriptions for various parts such as pistons, gaskets, bearings, and other essential components necessary for maintenance and repair.

The manual is useful for identifying specific parts needed for repairs or replacements, ensuring that users can source the correct items for their D1305 engine. It typically covers both the D1305-E3B and D1305-E4B models, detailing their respective specifications and configurations.

For those looking to obtain a parts manual, it can often be found through authorized Kubota dealers or online resources that specialize in Kubota engine documentation. Accessing the parts manual is crucial for anyone performing maintenance or overhauls on the D1305 engine, as it helps ensure that all repairs are conducted with the appropriate parts and procedures.

Kubota D1305 Engine Manual

The Kubota D1305 engine manual provides comprehensive information on the operation, maintenance, and troubleshooting of the engine. It typically includes several sections such as:

– Engine Identification: Details on model name and serial number.
– General Precautions: Safety guidelines for operating the engine.
– Maintenance Checklists: Scheduled maintenance tasks and intervals, including daily checks and periodic service recommendations.
– Troubleshooting: Common issues and solutions to help diagnose problems effectively.
– Specifications: Technical specifications including dimensions, weight, and performance characteristics.

The manual is essential for anyone operating or maintaining the D1305 engine, as it outlines best practices for care and maintenance to ensure optimal performance.

For those seeking a copy of the manual, it is often available for free PDF download from various online resources or through authorized Kubota dealers. Accessing this manual can greatly assist in understanding the intricacies of the D1305 engine and ensuring its longevity.

Kubota D1305 Oil Type

The recommended engine oil for the Kubota D1305 diesel engine is CF or higher. The SAE viscosity number should be SAE 10W-30 or 10W-40. The engine oil capacity is 5.7 liters (6.0 US quarts, 5.0 Imperial quarts). Using the proper oil type and maintaining the correct oil level is essential for the engine’s lubrication and performance. Consult the owner’s manual for more detailed information on oil specifications and maintenance intervals for the D1305 engine.

Kubota D1305 Service Manual

The Kubota D1305 service manual contains essential information for the operation, maintenance, and repair of the engine. It includes detailed sections on engine specifications, maintenance schedules, troubleshooting, and diagrams for parts identification.

The manual typically covers:

– Engine identification and specifications
– General safety precautions
– Maintenance checklists and schedules
– Daily and periodic maintenance tasks
– Troubleshooting common issues
– Detailed servicing procedures for components such as the fuel system, cooling system, and electrical system

For those looking to access the service manual, it is available for free PDF download from various online resources, including ManualsLib. This resource is useful for both operators and technicians who need to perform maintenance or repairs on the D1305 engine. Having the service manual on hand ensures that users can follow best practices for care and maintenance, helping to extend the engine’s lifespan and performance.

Kubota D1305 Starter

The starter for the Kubota D1305 engine is a 12-volt unit that typically has a power rating of 0.9 kW and features 9 teeth. It is designed to ensure reliable starting performance for the engine, which is commonly used in various applications such as agricultural machinery and industrial equipment.

Replacement starters are available in both genuine and aftermarket options. Genuine parts are manufactured to meet the original specifications, ensuring compatibility and performance. Aftermarket starters can also be found, often at a lower cost, but it’s crucial to verify their quality and compatibility with the D1305 engine.

Common part numbers associated with the D1305 starter include Kubota 1G023-63010, 1G023-63011, and 1G023-63012, among others. When replacing the starter, it is advisable to consult the engine’s service manual or a parts manual to ensure the correct part is selected for your specific application. Proper installation and maintenance of the starter are essential for optimal engine performance and reliability.

Kubota D1305 Fuel Filter

The fuel filter for the Kubota D1305 engine is a critical component that helps maintain the integrity of the fuel system by removing contaminants from the fuel before it reaches the injectors. The fuel filter typically has an M20 x 1.5 thread and dimensions of approximately 72 mm in diameter and 72 mm in height.

Replacement fuel filters suitable for the D1305 engine can be sourced from various suppliers. Many options are available, including genuine Kubota parts and aftermarket alternatives. It is essential to ensure that the selected fuel filter matches the specifications for the D1305 to ensure proper fit and function.

Regular replacement of the fuel filter is recommended as part of routine maintenance to prevent issues such as clogged injectors or reduced engine performance. Checking the fuel filter during regular service intervals can help maintain optimal engine operation and longevity.

Kubota D1305 Head Gasket

The head gasket for the Kubota D1305 engine is a crucial component that seals the cylinder head to the engine block, ensuring proper compression and preventing coolant and oil leaks. Replacement head gaskets are available and are typically compatible with both the D1105 and D1305 engine models.

One common part number for the head gasket suitable for the D1305 is CG11. These gaskets come with technical information, including torque settings for proper installation. It is important to use a high-quality gasket to maintain engine integrity and performance.

When replacing the head gasket, it is advisable to follow the manufacturer’s specifications and guidelines to ensure a proper seal and prevent future issues such as leaks or overheating. Regular maintenance and inspection of the head gasket can help identify potential problems early, contributing to the overall reliability of the Kubota D1305 engine.