Hino J05E J05C Forged Steel Crankshaft S1341-12281 | Heavy-Duty Engine Part

Product Details

Product Overview

This is a premium quality Forged Steel Crankshaft, specifically engineered for Hino J05E and J05C diesel engines. As a critical rotating component, this crankshaft (Part Number: S1341-12281) ensures optimal power transfer and engine balance. We offer global shipping with extensive experience serving markets across North America, Europe, the Middle East, and Asia-Pacific, providing reliable supply for heavy-duty truck and bus maintenance.

Key Features & Benefits

• Premium Forged Steel Construction: Provides superior strength and fatigue resistance compared to cast iron, ensuring longevity under high-stress operating conditions.
• Precision Engineered: Manufactured to strict OEM tolerances for perfect fitment and balanced rotation, minimizing vibration and wear on main bearings.
• Enhanced Durability: Heat-treated and surface-hardened to withstand extreme combustion pressures and high RPMs typical in commercial diesel engines.
• Direct Replacement: Designed as a direct bolt-in replacement for the original Hino part, reducing installation time and complexity.
• Stringent Quality Control: Undergoes rigorous magnetic particle inspection and dimensional checks to guarantee reliability.

Technical Specifications

OEM Cross-Reference

This crankshaft is a direct replacement for the following original Hino part numbers:

• S1341-12281 (Primary Reference)
• Please verify your engine’s specific serial number for absolute compatibility, as minor revisions may exist between J05E and J05C variants.

Compatibility

This crankshaft is designed for use in the following Hino engine families and applications:

• Engine Models: Hino J05E, Hino J05C
• Typical Applications: Hino 500 Series trucks, Hino buses (e.g., RM, RG series), and various industrial equipment utilizing these engines.

Global Supply & Distribution

We are a dedicated supplier to the global automotive aftermarket. Our logistics network ensures fast and reliable delivery to major ports and industrial centers worldwide, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Dubai
• Middle East & Africa: Jebel Ali, Durban, Lagos

We handle all international trade compliance and documentation, offering flexible shipping options (FOB, CIF, DDP) to meet your procurement needs.

Quality Assurance

Every crankshaft is manufactured in ISO 9001:2015 certified facilities. Our quality process includes:

• 100% dimensional inspection using CMM (Coordinate Measuring Machine).
• Magnetic particle inspection for surface defects.
• Hardness testing to ensure proper heat treatment.
• Dynamic balancing to minimize vibration.

We offer a standard 12-month warranty against manufacturing defects from the date of installation.

FAQ

Q1: Will this crankshaft fit my Hino J05E engine without modification?

Yes, this S1341-12281 crankshaft is a direct OEM replacement part. It is manufactured to the same critical specifications as the original, requiring no modification for installation. However, we always recommend verifying your existing part number and engine serial number for the most accurate fitment, especially regarding bearing journal sizes.

Q2: What is the difference between a forged and a cast crankshaft for this application?

Forged steel crankshafts are denser and stronger than cast iron versions. For high-torque, turbocharged diesel engines like the J05E, forged steel provides superior resistance to torsional stress and fatigue, leading to a longer service life under heavy loads. This makes it the preferred choice for commercial vehicles that operate under demanding conditions.

Q3: Do I need to replace the main bearings and thrust washers when installing a new crankshaft?

Yes, it is highly recommended and considered best practice to install new main bearings, connecting rod bearings, and thrust washers when replacing a crankshaft. This ensures proper oil clearance and prevents premature wear. We recommend sourcing a complete bearing set from a reputable supplier to guarantee optimal performance and longevity of the new crankshaft.