AAR Couplers & Draft Gear Systems Compliant with AAR M-201 / M-901E Standards
Heavy-haul freight, locomotive, and passenger car coupler systems -- engineered to AAR specifications and proven across 6 continents. One-stop supply for OEM replacement and long-term fleet maintenance.
Engineered for
Heavy-Haul & Long-Haul
Freight Operations
GRS supplies a full range of AAR-compliant coupler systems, draft gear, and related components -- suitable for heavy-haul freight wagons, locomotives, and passenger coaches.
Heavy-Haul Freight
High-tensile AAR Type E and F couplers for coal, ore, and bulk commodity wagons. Rated for extreme coupling forces in heavy-haul operations.
Locomotive
Locomotive-end coupler assemblies compatible with EMD, ALCO, and GE platforms. Includes EF-type couplers for mixed freight and passenger service.
Passenger Car
Tight-lock and semi-permanent couplers for passenger coaches and commuter rail. Lower draft gear profiles for smooth transition and reduced slack.
AAR M-201 Compliant
All coupler contours and dimensions conform to AAR Manual of Standards M-201 and M-901E specifications.
Grade E+ Steel
High-strength alloy steel castings with full material certification -- tensile strength ≥ 689 MPa.
24-Hour Response
Availability, lead time, and pricing confirmed within one business day for all standard models.
Full Documentation
Material test reports, dimensional inspection certificates, and packing lists provided with every shipment.
Coupler Model
Specification Matrix
Compare key technical parameters across all available coupler models. Contact us for custom configurations.
| Model | Contour Type | Length (mm) | Material Grade | Tensile Strength | Climatic Zone | Application | Standard | RFQ |
|---|---|---|---|---|---|---|---|---|
| E60EE | Type E (Standard) | 603 | Grade E Steel | ≥ 689 MPa | T1 (−40°C to +50°C) | Heavy-Haul Freight | AAR M-201 | RFQ |
| SBE60EE Popular | Type E (Slackless) | 603 | Grade E+ Steel | ≥ 758 MPa | T1 (−40°C to +50°C) | Heavy-Haul / Coal Train | AAR M-201 | RFQ |
| F70DE | Type F (Wide Flange) | 711 | Grade F Steel | ≥ 827 MPa | T2 (−50°C to +50°C) | Ore / Mineral Wagon | AAR M-201 | RFQ |
| F73BE | Type F (Extended) | 737 | Grade F Steel | ≥ 827 MPa | T2 (−50°C to +50°C) | Intermodal / Flatcar | AAR M-201 | RFQ |
| FR209 | Type F (Rotary) | 711 | Grade F Steel | ≥ 827 MPa | T1 (−40°C to +50°C) | Rotary Dump Wagon | AAR M-901E | RFQ |
| EF-C Popular | EF Contour | 648 | Grade E Steel | ≥ 689 MPa | T1 (−40°C to +50°C) | Locomotive End | AAR M-201 | RFQ |
| EF-D | EF Contour (Heavy) | 660 | Grade E+ Steel | ≥ 758 MPa | T2 (−50°C to +50°C) | Locomotive / Passenger | AAR M-201 | RFQ |
| H60EE | Type E (High-Capacity) | 603 | Grade H Steel | ≥ 896 MPa | T1 (−40°C to +50°C) | Ultra Heavy-Haul | AAR M-201 | RFQ |
* All specifications are for reference. Contact GRS for confirmed technical data sheets and custom configurations.
CAD Drawings &
Product Images
Click any image to enlarge. Contact us to request full DXF/PDF drawing packages.
Applications &
Proven Supply Record
Selected project references demonstrating our supply capability across markets and coupler types. Full references available on request.
EF Coupler
CRRC Meishan -- Australia Project
Passenger locomotive end couplers for CRRC-built fleet supplied to Australian operator.
E60EE
Kazakhstan Trade Company
Bulk supply of Type E standard couplers for freight wagon maintenance program.
F70DE
South African Freight Operator
Type F heavy-haul couplers for coal and ore wagon fleet overhaul.
SBE60EE
Brazilian Railway MRO Workshop
Slackless E-type couplers for heavy-haul iron ore train maintenance.
FR209
Southeast Asian Distributor
Rotary dump couplers for coal wagon fleet, supplied via regional distributor.
EF-D
Middle East Railway Authority
Heavy-duty EF couplers for mixed passenger and freight locomotive fleet.
Application Sectors
Industries Served
Download the
AAR Coupler Catalogue
Our technical catalogue includes full specification tables, dimensional drawings, material grade references, and ordering information for all coupler models.
GRS AAR Coupler Systems Catalogue
Version 2024 · English · Includes E/F/EF Series
Get the Free Catalogue
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Request a Quote for
AAR Coupler Systems
Send us your coupler model, quantity, and any drawings or specs. We'll respond with availability, lead time, and pricing -- usually within 24 hours.
- Specify model number, quantity, and delivery port
- Upload drawings, part photos, or procurement lists
- We supply E/F/EF series and custom configurations
- Long-term supply contracts welcome
Direct Contact
thomas@grs-railway.comCoupler RFQ Form
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