AAR Standard Train Knuckle Coupler High Strength Casting Processed

Product overview

A knuckle for a railway car coupler system comprising a front face generally opposite a pulling face; a cast utility hole extending into a top surface of the knuckle; a pivot pin hole extending from a top surface of the knuckle to a bottom surface of the knuckle; and a tail portion. The knuckle is free of internal voids and its front portion has a plurality of ribs defining front external weight reduction pockets. The tail portion has a second plurality of ribs defining rear external weight reduction pockets. Further, the knuckle is produced by investment casting to create a smoother pulling face, free of parting lines/draft angles.

Product advantages

1. Improved surface finish: Reduces amount of stress risers; Minimizes crack initiation

2. Optimum design and casting process
3. Consistent dimensions

4. Casting are 100% hardness tested, gaged, MPI inspected, fit and operated to ensure quality

5. Available a individual coupler bodies or completely assembled fits.

Product specification

Related products

Hengtairail Equipment Co., Ltd (hereinafter referred to as “Hengtairail”) was established by Mr. Wei, in 1999. He was as a vehicle engineer in the China Railway Chengdu Bureau. A professional engineer team and high-efficiency sales team have been built at present.

Hengtairail is certified and operating to the ISO9001:2015 management system. Products meet technical requirements China Railway Test & Certification Centre (CRCC), Association of American Railroads (AAR), International Union of Railways (UIC), etc.

Hengtairail is a global supplier of rail vehicle components & systems. Including casting, forging, and machining products.

Specific products include:

· Wheelset: axle, wheel

· Bearing & axle box

· Spring & vibration control system: steel spring, rubber spring, air spring, leveling valve, shock absorber, and other truck components

· Coupler & draft gear device

· Braking system that meets UIC & AAR requirements

· Passenger train facilities & equipment: window, handrail, luggage rack, seat, HVAC system, toilet, gangway, plug door, interior products

· Locomotive parts

Based on the cooperation of many reliable manufacturers, Hengtairail has lots of advantages, such as flexible delivery time & payment terms, convenient after-sales service, etc. Under those favorable conditions, clients’ procurement costs and risks can be controlled effectively. It’s beneficial for clients to purchase transnational.

After more than 20 years of development, relying on high-quality products and professional services, Hengtairail establishes a complete supply chain system and long-term good business relationships with clients who come from more than 30 countries and regions.

Safety is the forever theme of public transport. Fast and big capacity of passengers is the particularities of rail transport. That makes us have a higher requirement for safety. Therefore, Hengtairail will continue to carry out the manufacturing process and quality guarantee schedule strictly, offer excellent products to meet clients' needs, and become a comprehensive supplier of rail vehicle components with core competitiveness.