Maanshan Kingrail Technology Co.,Ltd.
                                                                                                           
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19 Years
Since 2007
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7.5kW AC Semi Trailer Axles for Freight Wagons - 30,000 pcs/year Capacity with AAR & IRIS Certification

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 1-30 working days
Brand: Kingrail
Product Description
Product Overview

7.5kW AC semi-trailer axles designed for freight wagons, available in OEM and ODM configurations. Kingrail specializes in high-performance railway axle manufacturing with comprehensive quality assurance.

Technical Specifications
Power Rating 7.5kW AC Motor Drive
Material Standards LZ50, JZ45, AAT Grade F, EA1N, EA1T, EA4T, IRS 16/95, SFA60A
Quality Standards TB/T 2945, AAR M-101, UIC 811-1, EN 13261, BS 5892 PART 1, IRS 16/95, JIS E 4502, KSR 9220, GOST 31334, AS 7515
Axle Types Drive axle with multiple seats, Locomotive axles, Non-driven freight wagon axle, Passenger coach axle
Production Capacity 30,000 pieces per year
Certifications ISO9001, ISO14001, OHSAS18001, AAR, IRIS, TSI
Quality Testing Procedures
Chemical Analysis Metallographic
Mechanical Analysis Ultrasonic Testing
Magnetic Testing Impact Testing
Hardness Testing Surface Quality
Dimension Checks (CMM) Customer/Third Party Acceptance
Heat Treatment System

Kingrail's integrated heat treatment system includes cooling, normalizing, and tempering devices connected via roller tables. This continuous production process enhances cooling speed and manufacturing efficiency while maintaining superior material properties.

7.5kW AC semi-trailer axle heat treatment system with cooling, normalizing and tempering devices
Material Composition

Advanced steel alloy containing: C 0.46-0.58%, Si 0.17-0.40%, Mn 0.75-1.00%, Ni 0.18-0.25%, Cr 0.20-0.27%, V 0.02-0.08%, Al 0.015-0.045%, with controlled P, S, Cu, Mo content and Fe balance.

Railway axle material composition and metallurgical processing diagram
Manufacturing Process
  1. Billet Steel Review
  2. Cutting
  3. Heating
  4. Forging
  5. Straightening
  6. Heat Treatment
  7. Sampling Test
  8. Ultrasonic Inspection
  9. Rough Machining
  10. Semi-Finish Machining
  11. Finish Machining
  12. Grinding
  13. Magnetic Particle Testing
  14. Packing
Railway axle manufacturing process flow chart showing 14 production stages
Production Line Configuration

Dual-line processing system with main and auxiliary lines operating in opposite directions, featuring semi-finishing CNC lathes, finishing CNC lathes, CNC grinders, and conventional grinders. Includes dedicated inspection areas with axle flaw detectors for comprehensive quality control.

Railway axle dual-line processing production system with CNC equipment
Key Advantages
  • Complete range of finished and semi-finished railway axles for rolling stock
  • AAR, IRIS certified with partnerships including Wabtec, GE, Bombardier, Alstom, Siemens
  • Manufacturing compliance with EN 13261, AAR M-101, IRS 16/95, JIS E 4502, TB/T 2945, BS 5892, KS9220
  • Application versatility: passenger coaches, freight wagons, locomotives, metro cars, rail buses
  • Competitive pricing and fast delivery lead times
American outboard axle for semi-trailer with 7.5kW AC motor drive

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Maanshan Kingrail Technology Co.,Ltd.
Location Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person Amanda

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