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Multi-Purpose Chain Success Story
Chris RobertsJuly 9, 2019
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Flat Car Chain Securement• Historically, two types of chains exist on flat cars
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3/8” Chain System 1/2” Chain System
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Flat Car Chain Securement• 3/8” Chain Systems
• Key Features:• Tensioning device is a winch, which is low profile• Includes T-Hook for attaching to vehicles with T-slot provisions
• Limitations:• 36,000 lbs. breaking strength (WLL = 9,000 lbs.)
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Flat Car Chain Securement• 1/2” Chain Systems
• Key Features:• 55,000 lbs. breaking strength (WLL = 13,750 lbs.)• 10 ft. chain length
• Limitations:• Tensioning device is a load binder, which is 21” long when
fully opened
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Challenges• Which flat car do you need?
• Certain shippers need a certain chain type
• Larger fleets to manage• Enough flat cars with each type of chain to supply to all
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Solution
• One type of chain for everyone!
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How?• Gather input from all entities
• Military• Agricultural• Heavy Equipment/Construction
• Understand needs and wants• Get buy in from chain users
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Designing the Multi-Purpose Chain • Must use 1/2” chain
• Must be usable with low-ground clearance vehicles
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Designing the Multi-Purpose Chain • New Load Binder and Anchor
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8.8 in.
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Designing the Multi-Purpose Chain • New Load Binder and Anchor
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Designing the Multi-Purpose Chain • Must include T-Hook
• Must be able to pass multiple chains through a 3” diameter hole
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Designing the Multi-Purpose Chain • New T-Hook
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Multi-Purpose Chain System • Key Features:
• 55,000 lbs. breaking strength (WLL = 13,750 lbs.)• 10 ft. chain length• Capable of securing vehicles with low ground clearance• Includes both the T-Hook and Adjustable Grab Hook
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T-Hook
Adjustable Grab Hook
Claw Hook
Telescoping Load Binder
Swivel Anchor
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Multi-Purpose Chain Benefits • Provides flexibility with chain flat cars
• One chain for all commodities
• Fleet size can be reduced• The same chain on every car, means that any car can go to any shipper
• The Multi-Purpose Car• The Multi-Purpose Chain is equipped on the new TTX multi-purpose flat car
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In Conclusion • Input from all entities helped to create a chain that can
be used by everyone
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