An X class loco idling at Coonoor station. Photo by Karthik Nagarajan.

A Mettupalaiyam-bound train backs into Coonoor station. The train comes from Ooty on a down gradient and runs through the station before it gets to a halt. Then it reverses into the station to change its loco to steam and proceed to Mettupalaiyam. Photo b

The steam loco arrives to take charge of the Mettupalaiyam-bound Nilgiri Passenger. Photo by Karthik Nagarajan.

The X class loco is coupled to the rake. Photo by Karthik Nagarajan.

Links and motion of the X class loco. Photo by Karthik Nagarajan.

Tender view of the X class loco. Photo by Karthik Nagarajan.

The 'little queen', the Nilgiri Passenger, chugs out of the station... Photo by Karthik Nagarajan.

X-class loco #37395 recently converted to oil-burning, at Coonoor loco shed on 15 Jan. 2003. It worked train No. 662 from Mettupalaiyam later that day. Photo by Hendrik Ploeger, 2003.

X class loco getting ready to haul a train from Mettupalaiyam. Photo by Satish Pai, 2001.

Another view of the X class loco at Mettupalaiyam. Photo by Satish Pai, 2001.

X class loco plinthed outside Coonoor station. Photo by Satish Pai, 2001.

The Abt system rack of the Nilgiri Mountain Railway's rack section. Photo by Satish Pai, 2001.

...and the cog wheel of the loco that meshes with the rack. Photo by Satish Pai, 2001.

Entering Ketty valley on the Nilgiri Mountain Railway. Photo by Ken, 1998.

In the valley... (NMR) Photo by Ken, 1998.