Comparison of OO 2-6-2T Class 45xx/ 4575/ 55xx 'Small Prairie' GWR models

Manufacturer	Lima	Bachmann Branchline	Bachmann Branchline	Rapido Trains UK
Year model introduced	1978	2003	2012	2024
DCC Capability	DCC compatible but no socket. Pancake motor	DCC compatible but no socket	DCC Ready. 8-pin socket	DCC Ready. 18-pin socket
Bodyshell
Bodyshells represented (of Prototypes)
GWR 'Small Prairie' - large sloping side tanks	No	Yes	Yes	No
GWR 'Small Prairie' - small side tanks	No	Yes	Yes	No
Detailing
Bodyshell - factory-fitted separate details
2 wire stays	Yes	No	Yes	No
Drain cocks	No	Yes	Yes	No
Handrails	Yes	Yes	Yes	No
Lamp irons	No	Yes	Yes	No
Reverser	No	Yes	No	No
Safety valve	Yes	Yes	Yes	No
Smokebox door dart	No	No	Yes	No
Water tank caps	Yes	No	No	No
Whistle	Yes	Yes	Yes	No
Chassis/underframe detail
Brake rigging chassis	No	No	Yes	No
Correct-thickness "stamped" rods	No	Yes	Yes	No
Fluted connecting rods with oily finish	No	Yes	Yes	No
Footsteps	No	No	Yes	No
Pipework	No	Yes	No	No
Sanding gear	No	Yes	Yes	No
Cab, footplate & interior detail
Detailed & painted	No	Yes	No	No
Footplate doors	No	No	Yes	No
Glazing	No	Yes	Yes	No
Wheel "aesthetics"
Chemically-blackened	No	Yes	Yes	No
Nickel-plated	Yes	No	No	No
Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only	No	Yes	Yes	No
Pipework - pre-fitted to front	Yes	No	Yes	No
Pipework - pre-fitted to rear	Yes	No	Yes	No
Sprung buffers	No	No	Yes	No
Bufferbeam detail (in detailing pack)
Cosmetic Screwlink couplings	No	Yes	No	No
Pipework (for front)	No	No	Yes	No
Pipework (for rear)	No	Yes	Yes	No
Mechanical
Chassis construction	Lightweight	Plastic & metal	Plastic & metal	No
Loco-driven wheels (number of)	2 wheels	2 wheels	2 wheels	No
Minimum radius	Radius 1	Radius 2	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	Yes	Yes	Yes	No
Separating the body from the chassis	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws	No
Electrical
Motor type	Pancake	3-pole	3-pole	No
Motor location	Within cab	Locomotive	Locomotive	No
Power collection	2 rail DC	2 rail DC	2 rail DC	No
Pickups	2 out of 3 axles	All except rear pony	Driving wheels only	No
DCC speaker	No provision for speaker	No provision for speaker	No provision for speaker	No
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