3122 Class 31/1 Railfreight Trainload Freight grey unbranded Diesel Locomotive Brand_Roco if a switch decoder (that

if a switch decoder (that supports the feedback function) is used

revised DRS control desk and centre cab partition

in addition to switching switches

the class was transferred to the Western Region in the mid-1970s to replace the 'Western' diesel-hydraulics

An Inspection Pit (Peco LK-56/156) was also a common feature

3122 Class 31/1 Railfreight Trainload Freight grey unbranded Diesel Locomotive Brand_Roco if a switch decoder (thatAn incredibly versatile locomotive that could be found almost anywhere on the UK network at some point, the Class 31s were constructed by Brush Traction between 1957 62 for BR who used them on mixed traffic duties until they were retired in 2018 FEATURES DCC ready Rotating roof fans Detailed cab interior LED directional lighting Screw link couplings SPECIFICATIONS BUILT BY Brush Traction, Loughborough NUMBER BUILT 263 NUMBER SERIES D5500 5699, D5800