capacity, 55.28-tonne payload, and a bottom-discharge system designed for rapid bulk commodity transport. The document serves as the mandatory technical standard for maintenance and safety to prevent operational failures like train parting. For technical details, see the RDSO specification document .
: Built with high-tensile Mild Steel (IRS:M41 & SAILMA-350-HI), a single unit carries an estimated tare weight of 26.00 tonnes against a payload capacity of 55.28 tonnes , resulting in a maximum gross rolling load of 81.28 tonnes per vehicle ( 20.32-tonne axle load ).
“Protocol G73 is in effect. Retrieve the asset. No witnesses.” rdso technical pamphlet g73
A comprehensive strip-down and replacement of critical rubber components and valves, usually every 4.5 to 6 years.
Provide details (e.g., “What is the allowed leakage rate for DV-14 distributor in G-73?” or “What is the recommended grease for the piston O-ring?” ). I can cross-check against generic air brake best practices, but for legally binding values, you must refer to the original RDSO document. capacity, 55
RDSO Technical Pamphlet G-73 outlines operating and maintenance instructions for BOBR (Bogie Open Bottom Rapid Discharge) hopper wagons, designed for bulk coal transport with a 55.28-tonne capacity and automatic rapid-discharge doors. The documentation, including G-73(1), covers technical specifications for construction, air brake systems, and load-sensing devices to ensure operational efficiency. For the full technical document, visit RDSO .
The Research Designs and Standards Organisation (RDSO) is an ISO 9001 research and development organization under the Ministry of Railways of India. It functions as the apex technical authority and consultant to the Railway Board, all Zonal Railways, and Production Units. : Built with high-tensile Mild Steel (IRS:M41 &
: Fasten the primary operating lever directly to the center sill via two anchor bearings welded to the channel mounting bracket. 🔧 Maintenance and Inspection Schedules
While high-speed rail and LHB coaches grab headlines, the humble ICF coach—kept alive by the strict adherence to G73—still carries the majority of India’s common passenger. Understanding G73 means understanding how to prevent a broken hanger pin from escalating into a derailment; how a 0.5mm wear limit on a brake pin saves lives.