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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.
Frequently Asked Questions
Which OEM part numbers does this part replace?
Spring is produced against OEM reference KOMATSU 56B-50-12314. Send us the OEM part number you need and our team will confirm the matching Babacan part and its compatibility for your machine.
Is this part EN 45545-2 compliant?
For railway applications our rubber parts can be supplied in EN 45545-2 fire-and-smoke compliant compounds on request. Specify the hazard level (HL1–HL3) required for your project and we will provide a suitable formulation and documentation.
What rubber compounds and hardness options are available?
We offer NR, SBR, EPDM, NBR and silicone-based compounds, typically from 40 to 90 Shore A. We recommend the right material based on the temperature, load and oil-resistance requirements of your specific application.
Do you produce samples and series batches?
Yes. We manufacture both samples and series production at our Ostim / Ankara facility, working from a technical drawing or a sample part. Contact us through the form for a quotation and lead time for your parts.