Comparison of OO BR Mark 2 D-F Air-con models


Manufacturer	Airfix GMR (Great Model Railways)	Lima	Murphy Models	Hornby	Airfix GMR (Great Model Railways)	Bachmann Branchline
Year model introduced	1977	1985	2011	2015	2015	2018
DCC Capability	Unpowered	Unpowered	Unpowered	Unpowered	Unpowered	DCC decoder fitted. Analogue compatible
Detailing
Bodyshell - factory-fitted separate details
Air Conditioning Unit	No	No	No	No	No	Yes
Coach-end railings	No	No	No	No	No	Yes
Door handles	No	No	No	Yes	No	No
Gangway corridor connectors	No	No	No	Yes	No	No
Handrails	No	No	No	Yes	No	No
Roof railing	No	No	No	No	No	Yes
Vents	No	No	No	Yes	No	No

Chassis/underframe detail
Air conditioning unit	No	No	No	Yes	No	No
Air tank	No	No	No	Yes	No	No
Battery box	Yes	No	No	Yes	Yes	Yes
Electrical equipment	No	No	No	Yes	No	No
Fan(s)	No	No	No	Yes	No	No
Footsteps	No	No	No	Yes	No	No

Cab, footplate & interior detail
Detailed & painted	No	No	No	Yes	No	No
Detailed guards compartment	No	No	No	Yes	No	No
Glazing	Yes	No	No	Yes	Yes	Yes
Seating	Yes	No	No	Yes	Yes	Yes
Tables	Yes	No	No	Yes	Yes	Yes

Wheel "aesthetics"
Chemically-blackened	No	No	No	Yes	No	Yes
Metal-pin point bearings	No	No	No	Yes	No	No

Bufferbeam detail (pre-fitted)
Cosmetic buckeye coupling	No	No	No	Yes	No	No

Mechanical
Body Construction	No	No	No	Plastic	No	No
Chassis construction	Lightweight	No	No	Plastic & metal	Lightweight	Lightweight
Minimum radius	Radius 2	No	No	Radius 2	Radius 2	Radius 2
Coupling socket/mounting
NEM pockets	No	No	No	Yes	No	Yes
Non-NEM socket	Yes	No	No	No	Yes	No

Coupling type	Tension lock	No	No	Tension lock	Tension lock	Tension lock
Weighting (to assist adhesion)
Within chassis	No	No	No	Yes	No	No

Separating the body from the chassis	No	No	No	Body clips off from chassis	No	No
Electrical
Power collection	No	No	No	No	No	2 rail DC
Working lights
Tail lights (independent)	No	No	No	No	No	Yes

Pickups	No	No	No	No	No	All wheels
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