D1503T Crankshaft for Kubota D1503 Engine – Tractor & Excavator Repair Parts

Product Details

Product Overview

This high-precision D1503T crankshaft is a critical engine component meticulously designed for the Kubota D1503 diesel engine platform. Engineered to restore original performance, this crankshaft is an ideal replacement part for Kubota-powered equipment, including tractors, excavators, and turn mowers. Manufactured to OEM size specifications, it provides a reliable solution for engine overhauls and repairs, ensuring smooth rotational motion and long-term durability in demanding agricultural and construction applications.

As a direct replacement for the Kubota D1503T engine, this crankshaft is crafted from high-strength materials to withstand the extreme torsional stresses and cyclic loads common in diesel operation. Whether you are a workshop servicing compact tractors or a heavy equipment repair facility, this component offers a precise fit and dependable performance, helping to minimize downtime and extend engine service life.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to the exact OEM size and dimensional tolerances for the Kubota D1503T engine, ensuring a direct bolt-in replacement with no modifications required.
• High-Strength Material: Forged from premium-grade alloy steel, providing superior fatigue resistance and structural integrity under high-temperature, high-pressure operating conditions.
• Precision Ground Journals: Main and connecting rod bearing journals are precision-ground to a mirror finish, reducing friction and ensuring optimal oil film retention for extended bearing life.
• Dynamic Balancing: Each crankshaft undergoes strict dynamic balancing to minimize vibration, ensuring smoother engine operation and reducing stress on adjacent components like the block and bearings.
• Corrosion Resistance: Treated with an anti-rust coating to protect against moisture and environmental contaminants during storage and transit.
• Rigorous Quality Control: Every unit is subjected to dimensional inspection and a machinery test report, with outgoing video inspection available upon request to guarantee quality.

Technical Specifications

OEM Cross-Reference

This D1503T crankshaft is a direct replacement for the following OEM part numbers. Please verify your engine block casting numbers to ensure compatibility:

• Kubota OEM: 1G853-23010, 1G853-23011 (Reference numbers for D1503 engine family)
• Aftermarket Cross: D1503T-CR (internal reference)

Note: If your specific OEM number is not listed, please contact our sales team with your engine serial number for verification.

Compatibility

This crankshaft is specifically designed for the Kubota D1503T diesel engine. It is commonly used for the following equipment and applications, though fitment should always be confirmed:

• Kubota Tractors: Models equipped with the D1503T engine (e.g., L-series compact tractors).
• Kubota Excavators: Mini and compact excavator models utilizing the D1503T powerplant.
• Kubota Turn Mowers: Zero-turn and commercial mowers powered by the D1503T diesel engine.
• Industrial & Agricultural: Generators, pumps, and other stationary equipment using this engine platform.

Global Supply & Distribution

maintains a robust global supply chain, ensuring fast and reliable delivery to customers worldwide. Our strategic location in Guangdong, China, allows for efficient logistics to major international ports and industrial centers.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Australia, South Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Shipping Options: We offer flexible shipping methods including sea freight (FOB/CIF), air express (DHL, FedEx, UPS), and rail freight for bulk orders.
• Export Experience: Our team is experienced in international trade documentation, customs clearance, and compliance with local regulations, ensuring a hassle-free purchasing experience for B2B buyers.

Quality Assurance

We prioritize quality and reliability at every stage of production. Our D1503T crankshafts are manufactured in ISO-compliant facilities with strict adherence to international standards.

• Manufacturing Standards: Produced under strict quality management systems with traceability from raw material to finished product.
• Testing Procedures: Each crankshaft undergoes magnetic particle inspection (MPI) for surface defects, dimensional verification using CMM (Coordinate Measuring Machine), and hardness testing.
• Warranty: We offer a standard 6-month warranty against manufacturing defects in materials and workmanship. Extended warranty options are available for volume orders.
• Documentation: A Machinery Test Report is provided with each shipment, and outgoing video inspection can be arranged to verify product condition before dispatch.

FAQ

Q1: How can I confirm this D1503T crankshaft will fit my specific Kubota engine?
A: Please check the engine model number stamped on your engine block. This crankshaft is specifically designed for the Kubota D1503T diesel engine. We recommend verifying the crankshaft part number (e.g., 1G853-23010) against your old part. If you have any doubts, contact our technical support team with your engine serial number for cross-referencing.

Q2: What is the recommended installation procedure for this crankshaft?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: thoroughly cleaning the crankshaft and block, applying assembly lube to all bearing journals, verifying main bearing clearances using Plastigauge, and torquing main bearing caps to the manufacturer’s specifications (typically 70-80 ft-lbs for this engine family). Always replace main and rod bearings during installation.

Q3: Does this crankshaft come with a warranty, and what does it cover?
A: Yes, this product includes a 6-month warranty covering manufacturing defects such as material flaws, incorrect machining, or premature wear under normal operating conditions. The warranty does not cover damage caused by improper installation, lack of lubrication, or use of incorrect bearings. Please retain your invoice and installation records for any warranty claims.