Is part 3128 0785 49 EN 45545-2 certified?

Yes, HAMM Mount manufactures part 3128 0785 49 to EN 45545-2 fire safety standards, meeting HL2 and HL3 hazard level requirements for railway applications.

3128 0785 49 - Railway Secondary Suspension Element | HAMM Mount | OEM Replacement

Name: Railway Secondary Suspension Element Part 3128 0785 49
Brand: HAMM Mount
SKU: 3128 0785 49
Availability: InStock
Rating: 4.8 (156 reviews)

Railway Secondary Suspension Element - Part 3128 0785 49

Part 3128 0785 49 is a railway rubber element for secondary suspension systems and bolster-to-bogie frame connections. This component provides the upper suspension stage in two-stage bogie systems, isolating high-frequency vibrations for passenger comfort. Features metal-rubber-metal bonded construction with precisely controlled rubber layer thickness. Compatible with Y25, SF500, and Flexx bogie families. HAMM Mount maintains inventory for rapid delivery to railway maintenance workshops worldwide.

Manufactured by HAMM Mount in our ISO 9001:2015 certified facility using advanced vulcanization technology and premium rubber compounds. Every unit undergoes multi-stage quality control including dimensional inspection, hardness verification, and load-deflection testing. Fire safety compliance per EN 45545-2 is verified for all railway applications.

Part 3128 0785 49 | Railway Secondary Suspension Element

Cross-Reference Part Numbers

3128078549

This part may also be listed under the above alternate part numbers. All numbers refer to the same component.

Compatible Equipment & Models

Two-stage bogie suspension systems, bolster-to-frame connections, Y25, SF500, Flexx bogies

Technical Specifications

Property	Value	Standard
Part Number	3128 0785 49	OEM Spec
Type	Railway Secondary Suspension Element	-
Category	Railway Components	-
Dimensions	Metal-rubber-metal bonded construction	OEM Spec
Cross-Reference	3128078549	OEM
Hardness	60 ± 5 Shore A	ISO 48-4
Tensile Strength	≥ 18 MPa	ISO 37
Elongation	≥ 350%	ISO 37
Compression Set	≤ 20%	ISO 815-1
Temperature Range	-45°C to +85°C	-
Fire Safety	EN 45545-2 HL2/HL3	Railway
Fatigue Life	> 2.5M cycles	Testing

Applications

Part 3128 0785 49 is used in railway secondary suspension and bogie bolster mounting. Compatible models include: Two-stage bogie suspension systems, bolster-to-frame connections, Y25, SF500, Flexx bogies.

Railway & Transit: Metro systems, light rail, passenger trains, freight locomotives - primary suspension and bogie component applications
Construction Equipment: Excavators, bulldozers, wheel loaders by Caterpillar, Komatsu, Volvo
Mining & Heavy Industry: Mining trucks, material handling equipment, crushing and screening plants
Automotive: Engine mounts, transmission mounts for heavy trucks and passenger vehicles
Power Generation: Generator set mounting, industrial compressor isolation

Material & Compound

Base Polymer: Natural Rubber (NR) / SBR blend - optimized for vibration damping
Reinforcement: High-strength fabric layers and steel reinforcement plates
Protection: UV stabilizers, antiozonants, antioxidants for extended service life
Fire Safety: EN 45545-2 compliant fire retardant additives
Bonding: Proprietary rubber-to-metal bonding process (> 25 MPa pull-out strength)

Installation & Maintenance

Installation

Clean mounting surfaces - remove all oil, corrosion, and old rubber residue
Verify part number 3128 0785 49 matches equipment specifications
Position component with correct orientation per installation drawings
Install hardware hand-tight, then torque in stages (30%, 60%, 100%) using cross-pattern
Re-check torque after 100 hours of operation

Inspection Schedule

Monthly: Visual check for cracks, tears, contamination
Quarterly: Torque verification, deflection measurement
Annually: Hardness test, comprehensive condition assessment

Quality & Certification

ISO 9001:2015 Quality Management System
EN 45545-2 Fire Safety (HL2 & HL3)
100% incoming material testing
SPC-monitored vulcanization process
Load-deflection testing per batch
Full traceability documentation available

Request Quote for Part 3128 0785 49

Factory-direct pricing from HAMM Mount. Ships to USA, Canada & worldwide.

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Frequently Asked Questions

What is part 3128 0785 49?

Do you ship to the United States?

Yes, HAMM Mount ships to all 50 US states. Standard delivery is 7-10 business days via DHL or FedEx with full tracking and insurance. Express 3-5 day service is available for urgent orders.

What warranty is included?

Part 3128 0785 49 carries a 24-month warranty against defects in materials and workmanship under normal operating conditions.

Can I get custom modifications?

Yes, HAMM Mount offers custom modifications including dimensional changes, alternative rubber compounds, special hardness grades, and additional certifications. Contact our engineering team.

HAMM MOUNT

Part 3128 0785 49