Bit of a longshot, but hoping someone might now the identities of these two here...just passed on a train heading for sunny Skeggy!
Mini 4x4 & BT trailer at Sleaford NR sidings - Sightings Requests - Forum
Mini 4x4 & BT trailer at Sleaford NR sidings
March last year it was 901150 and 011618. Suspect they've not moved...
Cheers for your help Ben!