Comparison of OO Class 35 'Hymek' models

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Comparison of OO Class 35 'Hymek' models


Manufacturer	Hornby	Hornby	Heljan	Hornby	Heljan
Year model introduced	1967	1978	2004	2004	2022
DCC Capability	DCC compatible but no socket. Complete rewire required - OO	Motor fitted but no DCC socket. Ringfield motor	DCC Ready. 8-pin socket	DCC compatible but no socket	DCC Ready. 21-pin socket
Detailing
Bodyshell - factory-fitted separate details
Fan Grill (etched)	No	No	Yes	No	Yes
Fan(s)	No	No	Yes	No	Yes
Handrails	No	Yes	Yes	Yes	Yes
Horn(s)	No	Yes	Yes	Yes	Yes
Lamp irons	No	No	Yes	No	Yes
Side grilles (etched)	No	No	Yes	No	Yes

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

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

Wheel "aesthetics"
Chemically-blackened	Yes	Yes	Yes	No	No
Painted	No	No	No	No	Yes

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

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

Detail pack also contains...
Alternative headcodes	No	No	Yes	No	Yes

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

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

Separating the body from the chassis	Secured with one or more screws	No	Secured with one or more screws	Body clips off from chassis	Secured with one or more screws
Electrical
Motor type	3-pole	Ringfield	5-pole (standard)	5-pole (standard)	5-pole (standard)
Motor location	1 bogie mounted	1 bogie mounted	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
Working lights
Cab light	No	No	No	No	Yes
Directional headlights & tail lights	No	No	Yes	No	Yes

Pickups	Power bogie only	Unpowered bogie only	All wheels	Unpowered bogie only	All wheels
DCC speaker	No provision for speaker	No provision for speaker	Provision for 28mm round speaker	No provision for speaker	Provision for 28mm round speaker
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