56B-50-12314 Spring Block – Heavy-Duty Vibration Absorber for Komatsu Dump Trucks

The 56B-50-12314 Spring Block is a high-strength rubber-metal composite vibration damper used in the rear suspension system of Komatsu HM350 and HM400 series dump trucks. In the industry, this product is also known as 56B5012314 spring block or Komatsu rear spring block. It balances load distribution in demanding work environments, minimizes vibrations, and enhances vehicle stability.

Applicable Machines

The 56B-50-12314 Spring Block is commonly used in the following Komatsu dump truck models:

• Komatsu HM350-1
• Komatsu HM350-2 / HM350-2R
• Komatsu HM400-1
• Komatsu HM400-2 / HM400-2R

This component works in conjunction with the rear suspension’s equalizer bar, absorbing vibrations transmitted to the machine frame.

Industries of Use

The 56B5012314 Spring Block is frequently preferred in the following heavy-duty sectors:

• Material transport in mining and quarry operations
• Infrastructure projects and large-scale construction sites
• Dump truck fleets operating in challenging terrains
• Off-road transportation and earthmoving operations

Technical Specifications

• Part Number: 56B-50-12314
• Alternative Code: 56B5012314
• Part Name: Spring Block / Suspension Spring Block
• Material: Rubber-based, steel-reinforced composite structure
• Weight: Approx. 53–54 kg
• Mounting Location: Rear suspension – equalizer bar connection points
• Function: Load balancing, vibration absorption, stability improvement

Why Choose the 56B-50-12314 Spring Block?

• Fully OEM-compatible with Komatsu dump trucks
• Long service life even under extreme load conditions
• Reduces failure risk and lowers maintenance costs
• Enhances operator comfort by minimizing vibration
• Proven and reliable in heavy-duty applications

The 56B-50-12314 spring block is a high-performance replacement part for Komatsu HM series dump trucks, designed to control vibrations, maintain vehicle stability, and extend equipment lifespan. The 56B5012314 spring block is one of the most ideal solutions for safe and efficient transport in demanding conditions.