HAMM MOUNT

Technical Specifications

Property	Value	Standard
Part Number	4812111046	OEM Spec
Type	EMU/DMU Primary Suspension Element	-
Category	Railway Components	-
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 4812111046 is used in electric and diesel multiple unit train bogie suspension. Compatible models include: EMU (Electric Multiple Unit), DMU (Diesel Multiple Unit) train bogies, commuter rail vehicles, regional train platforms.

• 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

1. Clean mounting surfaces - remove all oil, corrosion, and old rubber residue
2. Verify part number 4812111046 matches equipment specifications
3. Position component with correct orientation per installation drawings
4. Install hardware hand-tight, then torque in stages (30%, 60%, 100%) using cross-pattern
5. 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

Frequently Asked Questions

What is part 4812111046?

The 4812111046 is a primary suspension element for EMU and DMU train bogies. Critical for safe operation of self-propelled passenger trains forming the backbone of regional and suburban rail networks worldwide including US commuter rail systems (Metra Chicago, NJ Transit, LIRR, Metro-North, Caltrain

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 4812111046 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.

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