Comparison of OO 2-6-2T Class 5101/ 61xx Large Prairie GWR models


Manufacturer	Airfix GMR (Great Model Railways)	Airfix GMR (Great Model Railways)	Airfix GMR (Great Model Railways)	Hornby	Dapol
Year model introduced	1977	1999	2010	2020	2021
DCC Capability	Motor fitted but no DCC socket. Ringfield motor	DCC incompatible	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 18-pin socket
Detailing
Bodyshell - factory-fitted separate details
Bodyside Steps	No	No	No	No	Yes
Boiler supports	Yes	Yes	Yes	No	Yes
Chain plate rings	No	No	No	No	Yes
Chimney	No	No	No	No	Yes
Coal load(s)	No	No	No	No	Yes
Drain cocks	No	No	No	No	Yes
Handrails	No	Yes	Yes	No	Yes
Injector	No	No	No	No	Yes
Injector pipework	No	No	No	No	Yes
Lamp irons	No	Yes	Yes	No	Yes
Numbers - etched - require fitting	No	No	No	No	Yes
Pipe work	No	No	No	No	Yes
Reverser	No	No	No	No	Yes
Safety valve	Yes	Yes	Yes	No	Yes
Smokebox door (removable - slide-out)	No	No	No	No	Yes
Smokebox door dart	No	No	No	No	Yes
Smokebox door numberplate	No	Yes	No	No	Yes
Water tank caps	No	No	No	No	Yes
Whistle	No	No	No	No	Yes

Chassis/underframe detail
Brake rigging chassis	Yes	Yes	Yes	No	Yes
Correct-thickness "stamped" rods	Yes	Yes	Yes	No	Yes
Fluted connecting rods with oily finish	Yes	Yes	Yes	No	Yes
Footsteps	Yes	Yes	Yes	No	Yes
Inside valve gear	No	No	No	No	Yes
Pipework	No	No	No	No	Yes
Sand boxes	No	No	No	No	Yes
Sanding gear	Yes	Yes	Yes	No	Yes

Cab, footplate & interior detail
Detailed	No	Yes	Yes	No	No
Detailed & painted	No	No	No	No	Yes
Footplate doors	Yes	Yes	No	No	Yes
Glazing	No	No	No	No	Yes
Window bars	No	No	No	No	Yes

Wheel "aesthetics"
Chemically-blackened	No	Yes	Yes	No	No
Compensated axles	No	No	No	No	Yes
Painted	Yes	Yes	Yes	No	Yes
Solid-spoked wheels	Yes	No	No	No	No

Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only	No	Yes	Yes	No	Yes
Lifeguard	No	No	No	No	Yes
Pipework - pre-fitted to front	No	Yes	Yes	No	Yes
Pipework - pre-fitted to rear	No	Yes	Yes	No	Yes
Sprung buffers	No	No	No	No	Yes

Bufferbeam detail (in detailing pack)
NEM Couplings	No	No	No	No	Yes

Detail pack also contains...
Speaker enclosure	No	No	No	No	Yes
Tool for removing PCB	No	No	No	No	Yes

Mechanical
Body Construction	Plastic with metal parts	Plastic with metal parts	Plastic with metal parts	Plastic with metal parts	Plastic with metal parts
Working cosmetic features
Opening smokebox door	No	No	No	No	Yes

Chassis construction	Plastic & metal	Plastic & metal	Plastic & metal	Diecast	Diecast
Loco-driven wheels (number of)	2 wheels	2 wheels	2 wheels	6 wheels	6 wheels
Minimum radius	Radius 2	Radius 2	Radius 2	Radius 2	Radius 2
Coupling socket/mounting
NEM pockets	No	No	Yes	No	Yes
Non-NEM socket	Yes	Yes	No	No	No

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

Separating the body from the chassis	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws
Electrical
Motor type	Ringfield	Ringfield	3-pole	5-pole with flywheel	5-pole with flywheel
Motor location	Centre of chassis	Centre of chassis	Centre of chassis	Centre of chassis	Centre of chassis
Power collection	2 rail DC	2 rail DC	2 rail DC	2 rail DC	2 rail DC
Working lights
Firebox flicker	No	No	No	No	Yes

Pickups	Driving wheels only	Driving wheels only	Driving wheels only	All wheels	All wheels
DCC speaker	No provision for speaker	No provision for speaker	No provision for speaker	Provision for 23mm rectangular speaker	Provision for a speaker (dimensions unknown)
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