Most foundries can produce a casting that looks like a bogie. Fewer can produce a bogie casting that holds the tolerances that the RDSO drawing requires — dimension after dimension, […]
The Dedicated Freight Corridor’s Bogie Problem — Why 25T Axle Load Changes Everything for Suppliers
India’s Dedicated Freight Corridors are not just a faster route for freight trains. They represent a fundamental change in the engineering specification for every freight wagon and bogie in India’s […]
The Strut and End Piece Casting — Why This Unsung CASNUB Component Matters for Bogie Integrity
A freight bogie has one glamorous job — it carries the load. But it has dozens of unglamorous jobs — and one of them is keeping the brake gear attached […]
7 Questions to Ask Before Buying Railway Bogie Castings From Any Indian Foundry
India has dozens of foundries that claim to produce RDSO-grade alloy steel castings for railway bogies. The RDSO vendor list is long. IndiaMART listings are even longer. The problem is […]
Centre Pivot Top and Bottom — The Overlooked Component That Bears Every Load Transfer
There is a moment in every freight wagon’s journey — thousands of times per trip, every time the wagon goes over a curve, every time the driver applies the brakes […]
Why Electric Arc Furnace Steel Makes Better Railway Bogies Than Induction Furnace Steel
When a procurement specification says “alloy steel cast bogie to RDSO drawing,” it does not specify how that steel was made. Most buyers accept any quoted RDSO-grade casting without asking […]
What Is a Friction Wedge and Why Replacing It on Time Saves Your Bogie
If you ask an experienced wagon maintenance engineer what single component failure causes the most cascading damage in a CASNUB bogie, almost every one of them will say the same […]
Top 10 Railway Bogie Manufacturers in India in 2026 — A Component Maker’s Honest View
We are one of the companies on this list. That means you should read it with appropriate scepticism — and also know that we have tried to write it honestly, […]
CASNUB 22HS vs CASNUB 22NLB vs LWLH 25 — Which Bogie Does Your Wagon Actually Need?
If you are specifying a new build freight wagon, evaluating a replacement bogie programme, or simply trying to understand what your current fleet is running on — this comparison exists […]
CASNUB 22HS Bogie — Specifications, Applications & Why It Powers India’s Freight Fleet
Every freight wagon carrying coal from Jharia, iron ore from Daitari, or cement from Rajasthan rides on two bogies. The bogie is not a supporting character in the Indian Railways […]