Skip to main content

Rail yard safety equipment | Bulk quotes | Product selection help | A MAS brand

A MAS brand
Aldon railroad car block for chocking railcars with wedge

Manufacturer photos. Review the selected model and configuration when requesting a quote.

Aldon equipment

Rail Clamping Wheel Block CB6-A (60-104 lbs. Rail)

Model / part 4016-01

The CB6-A uses wedge-driven clamps to grip the rail head for temporary blocking of a stationary railcar.

Get the right equipment for your application.

Add this item to your list or send us a question. Include the quantity and rail details you have available.

Review your quote list →

Product details

The CB6-A uses wedge-driven clamps to grip the rail head for temporary blocking of a stationary railcar. A padlock can be used to secure the block.

Features and application limits

  • For exposed rail, 60–104 lb/yd.
  • Product weight: 45 lb.
  • Use only on level track, after the car is fully stopped and its brakes applied.
  • Use at least two blocks per car, one at each end.
  • Not for impact stopping, stopping a moving car, or overhead crane service.
  • Drive the wedge firmly into the frame and check its tightness frequently. Keep rails free of oil and grease.

Use the current manufacturer instructions and your facility’s procedures for installation, inspection and operation. Ask us to confirm the selected model against your application.

Continue comparing

Related equipment

One coordinated industrial network

Operated and supported by Modular Access Systems LLC.

Canonical product and procurement source for broad rail-yard safety equipment.

About the Modular Access Systems network

Product selection & quotes

Tell us what your yard needs.

Send a model number, an equipment list or a short description of the job. We will help you work through the options.

  • Chocks, derails, skates and rerailers
  • Replacement parts and accessories
  • Single-location and multi-site requests

We use your details to respond to your request. Privacy policy

Explore the MAS brands

Specialist products. One Modular Access Systems family.