Comparison of OO MGR Coal Hopper (HAA Family) models


Manufacturer	Hornby	Hornby	Accurascale	Cavalex Models
Year model introduced	1980	2003	2022	2022
DCC Capability	Unpowered	Unpowered	Unpowered	Unpowered
Bodyshell
Bodyshells represented (of Prototypes)
MGR Hopper Wagon - HAA - as-built	Yes	Yes	Yes	No
MGR Hopper Wagon - HBA - re-bodied with uprated brakes/ suspension & canopy	No	Yes	Yes	No
MGR Hopper Wagon - HCA - as-built	No	No	Yes	No
MGR Hopper Wagon - HDA - re-bodied with uprated brakes/ suspension	No	No	Yes	No
MGR Hopper Wagon - HFA - re-bodied with canopy	Yes	Yes	Yes	No
MGR Hopper Wagon - HMA - later style body	No	No	Yes	No
MGR Hopper Wagon - HNA - re-bodied with modified brakes and canopy	No	No	Yes	No

Detailing
Bodyshell - factory-fitted separate details
Body supports	Yes	Yes	Yes	No
Compressor	No	Yes	Yes	No
Door operating equipment	No	No	Yes	No
Lamp irons	No	No	Yes	No
Pipe work	No	No	Yes	No
Stanchions	No	Yes	Yes	No

Chassis/underframe detail
Brake rigging chassis	Yes	Yes	Yes	No
Handbrake wheel/ lever	Yes	Yes	Yes	No

Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only	No	Yes	Yes	No
Sprung buffers	No	Yes	Yes	No

Bufferbeam detail (in detailing pack)
Pipework (for front)	No	No	Yes	No
Pipework (for rear)	No	No	Yes	No

Mechanical
Body Construction	Plastic	Plastic with metal parts	Plastic with metal parts	No
Chassis construction	Lightweight	Plastic & metal	Diecast	No
Minimum radius	Radius 1	Radius 1	Radius 2	No
Coupling socket/mounting
Fixed	Yes	No	No	No
NEM pockets	No	Yes	Yes	No

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

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