Comparison of OO Class 57 models


Manufacturer	Lima	Bachmann Branchline	Heljan	Bachmann Branchline	Lima	Heljan
Year model introduced	1999	2005	2005	2009	2019	2024
DCC Capability	DCC compatible but no socket. Pancake motor	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 21-pin socket	DCC Ready. 8-pin socket	DCC Ready. 21-pin socket
Bodyshell
Bodyshells represented (of Prototypes)
Class 57/0	Yes	Yes	Yes	Yes	No	Yes
Class 57/3 - Dellner coupling	No	Yes	Yes	Yes	No	Yes
Class 57/6 - modified lights, no Dellner	No	Yes	Yes	Yes	No	Yes

Detailing
Bodyshell - factory-fitted separate details
Aerial	No	No	Yes	No	No	Yes
Exhausts	No	No	No	No	No	Yes
Fan Grill (etched)	No	Yes	No	Yes	No	No
Handrails	No	Yes	Yes	Yes	Yes	Yes
High intensity headlight	No	No	No	No	Yes	No
Jumper cables	No	No	Yes	No	No	Yes
Lamp irons	No	Yes	No	No	No	No
Nameplates - etched - require fitting	No	Yes	No	Yes	No	No
Radio antenna	No	Yes	No	Yes	No	No
Roof grilles (etched)	No	No	Yes	No	No	Yes
Side grilles (etched)	No	Yes	Yes	Yes	No	Yes

Chassis/underframe detail
Battery box	Yes	Yes	Yes	Yes	Yes	Yes
Footsteps	No	Yes	No	No	Yes	No
Fuel tank	Yes	Yes	Yes	Yes	Yes	Yes
Pipework	No	Yes	Yes	Yes	No	Yes
Sand boxes	No	No	Yes	No	No	Yes
Sanding gear	No	No	Yes	Yes	No	Yes
Water tank	No	No	No	No	Yes	No

Cab, footplate & interior detail
Detailed	No	No	No	No	Yes	No
Detailed & painted	No	No	Yes	No	No	Yes
Glazing	Yes	Yes	Yes	Yes	Yes	Yes
Seating	No	Yes	Yes	Yes	No	Yes
Window wipers	No	Yes	Yes	Yes	No	Yes

Wheel "aesthetics"
Chemically-blackened	Yes	Yes	Yes	Yes	No	Yes
Traction tyres	Yes	No	No	No	Yes	No

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

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

Mechanical
Body Construction	No	No	Plastic with metal parts	No	Plastic	Plastic with metal parts
Chassis construction	Lightweight	Plastic & metal	Heavy diecast	Plastic & metal	Lightweight	Heavy diecast
Loco-driven wheels (number of)	4 wheels	12 wheels	8 wheels	12 wheels	6 wheels	8 wheels
Minimum radius	Radius 2	Radius 2	Radius 2	Radius 2	Radius 2	Radius 2
Coupling socket/mounting
Fixed	Yes	No	No	No	No	No
NEM pockets	No	Yes	Yes	Yes	Yes	Yes

Coupling type	Tension lock	Tension lock	Tension lock	Tension lock	Tension lock	Tension lock
Weighting (to assist adhesion)
Within chassis	Yes	Yes	Yes	Yes	Yes	Yes

Separating the body from the chassis	Body clips off from chassis	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws	Body clips off from chassis	Secured with one or more screws
Electrical
Motor type	Pancake	5-pole with flywheel	5-pole (standard)	5-pole with flywheel	No	5-pole with flywheel
Motor location	1 bogie mounted	Centre of chassis	Centre of chassis	Centre of chassis	1 bogie mounted	Centre of chassis
Power collection	2 rail DC	2 rail DC	2 rail DC	2 rail DC	2 rail DC	2 rail DC
Working lights
Directional headlights & tail lights	No	Yes	Yes	Yes	No	Yes

Pickups	No	All wheels	All wheels	All wheels	Power bogie only	All wheels
DCC speaker	No provision for speaker	No provision for speaker	Provision for a speaker (dimensions unknown)	Provision for a speaker (dimensions unknown)	Provision for 28mm round speaker	Provision for 20x40mm rectangular speaker
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