(02 Nov 2013, 2:50 pm)Dan wrote Was hoping to find a MoTrain today but had no luck. Have noticed however that there are Nexus logos on board a Class 142... Does anyone know how long these have been on board for?

They have been on a while.
Not sure how long, but have noticed them in the past (glass divider between doors and seats).

If it was recent, I'd hazard a guess the stylised R logo would have been used.