Comparison of OO 0-6-0 Class 2251 Collett Goods models


Manufacturer	Mainline	Replica Railways	Bachmann Branchline	Bachmann Branchline
Year model introduced	1978	1989	1998	2007
DCC Capability	DCC incompatible. Split Chassis	DCC incompatible. Split Chassis	DCC compatible but no socket. CAN motor - loco - OO	DCC Ready. 8-pin socket
Detailing
Bodyshell - factory-fitted separate details
Handrails	Yes	Yes	No	Yes
Reverser	No	Yes	No	No
Safety valves - turned brass	No	No	No	Yes
Tender handbrakes	No	Yes	No	No
Water scoop	No	Yes	No	No
Water tank caps	No	Yes	No	No
Whistle - turned brass	Yes	No	No	Yes

Chassis/underframe detail
Brake rigging chassis	Yes	Yes	No	Yes
Correct-thickness "stamped" rods	Yes	No	No	No

Cab, footplate & interior detail
Glazing	No	Yes	No	Yes

Tender
Has easy-to-use coupling to loco	Yes	Yes	No	Yes

Wheel "aesthetics"
Chemically-blackened	No	Yes	No	No
Coloured-plastic	Yes	No	No	Yes
Nickel-plated	No	Yes	No	No

Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only	Yes	No	No	Yes
Now an invalid entry. Pipework - user-fitted to rear	No	No	No	Yes
Pipework - pre-fitted to front	Yes	Yes	No	No
Pipework - pre-fitted to rear	Yes	No	No	No
Sprung buffers	No	No	No	Yes

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

Mechanical
Chassis construction	Split-chassis	Split-chassis	No	Diecast
Loco-driven wheels (number of)	2 wheels	2 wheels	No	2 wheels
Minimum radius	Radius 2	Radius 2	No	Radius 2
Coupling socket/mounting
Fixed	No	Yes	No	No
NEM pockets	No	No	No	Yes
Non-NEM socket	Yes	No	No	No

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

Separating the body from the chassis	Secured with one or more screws	Secured with one or more screws	No	No
Electrical
Motor type	Ringfield	Can motor	No	Can motor
Motor location	Locomotive	Locomotive	No	Locomotive
Power collection	2 rail DC	2 rail DC	No	2 rail DC
Pickups	Driving wheels only	Driving wheels only	No	Driving wheels only
DCC speaker	No provision for speaker	No provision for speaker	No	No provision for speaker
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