Comparison of O Class 24 models

Bachmann Brassworks O Class 24 Heljan O Class 24
Manufacturer Bachmann Brassworks Heljan
Year model introduced 2009 2025
DCC Capability DCC compatible but no socket DCC Ready. ESU XL decoder socket
Detailing
Bodyshell - factory-fitted separate details
Boiler steps (Open or plated) No Yes
Exhausts No Yes
Fan Grill (etched) No Yes
Fan(s) No Yes
Handrails No Yes
Representation of internal equipment (behind grilles) No Yes
Roof covers No Yes
Side grilles (etched) No Yes
Tablet catcher equipment No Yes
Tablet catcher recess No Yes
Chassis/underframe detail
Air tank No Yes
Battery box No Yes
Footsteps No Yes
Fuel tank No Yes
Pipework No Yes
Sanding gear No Yes
Speedometer cable No Yes
Bodyshell - separately-fitted details - in detailing pack (where applicable)
Headcode discs No Yes
Cab, footplate & interior detail
Detailed & painted No Yes
Glazing No Yes
Seating No Yes
Window wipers No Yes
Wheel "aesthetics"
Chemically-blackened No Yes
Metal-pin point bearings No Yes
Painted No Yes
Bufferbeam detail (pre-fitted)
Cosmetic screw link coupling No Yes
Pipework - pre-fitted to front No Yes
Pipework - pre-fitted to rear No Yes
Sprung buffers No Yes
Mechanical
Body Construction No Plastic with metal parts
Working cosmetic features
Rotating fan(s) No Yes
Chassis construction No Heavy diecast
Loco-driven wheels (number of) No 8 wheels
Minimum radius No Radius 2
Coupling socket/mounting
Screw Link Couplings No Yes
Coupling type No 3-link coupling
Weighting (to assist adhesion)
Within chassis No Yes
Separating the body from the chassis No Secured with one or more screws
Electrical
Motor type No 2 x 5-pole with flywheel
Motor location No 1 mounted on each bogie
Power collection No 2 rail DC
Working lights
Cab light No Yes
Directional headlights & tail lights No Yes
Headlights (independent) No Yes
Tail lights (independent) No Yes
Pickups No All wheels
DCC speaker No Provision for a speaker (dimensions unknown)
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