Comparison of OO Class 33 models

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Comparison of OO Class 33 models


Manufacturer	Lima	Heljan	Heljan	Lima	Heljan	Heljan	Heljan
Year model introduced	1977	2005	2006	2010	2014	2019	2023
DCC Capability	DCC compatible but no socket. Pancake motor	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket	DCC Ready. 21-pin socket
Bodyshell
Bodyshells represented (of Prototypes)
Class 33/0 - as built	Yes	Yes	No	Yes	Yes	Yes	No
Class 33/1 - push-pull fitted	Yes	Yes	No	No	No	No	Yes
Class 33/2 - Hastings gauge body "Slim Jim"	No	No	Yes	No	No	No	Yes

Detailing
Bodyshell - factory-fitted separate details
Etched horn grille	No	No	No	No	Yes	Yes	No
Fan Grill (etched)	No	Yes	Yes	No	Yes	Yes	Yes
Fan(s)	No	No	No	No	Yes	Yes	No
Handrails	No	Yes	Yes	No	Yes	Yes	Yes
High intensity headlight	Yes	Yes	Yes	No	No	Yes	Yes
Jumper cables	Yes	Yes	No	No	No	No	No
Lamp irons	No	Yes	Yes	No	Yes	Yes	Yes
Nameplates - etched - require fitting	No	No	No	No	Yes	Yes	No
NRN (National Radio Network) Pod	No	No	No	No	No	Yes	No
Representation of internal equipment (behind grilles)	No	No	No	No	Yes	Yes	No
Side grilles (etched)	No	Yes	Yes	No	Yes	Yes	Yes

Chassis/underframe detail
Battery box	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Footsteps	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Fuel tank	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Pipework	No	Yes	Yes	No	Yes	Yes	Yes
Sanding gear	No	No	No	No	Yes	Yes	No
Speedometer cable	No	No	No	No	Yes	Yes	No

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

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

Bufferbeam detail (pre-fitted)
Cosmetic buckeye coupling	No	Yes	Yes	No	No	No	Yes
Cosmetic screw link coupling	No	Yes	Yes	No	Yes	Yes	Yes
Electric train heating box/ pipes	No	No	No	No	Yes	Yes	No
Lifeguard	No	Yes	Yes	No	Yes	Yes	Yes
Multiple working sockets/ pipes	No	No	No	No	Yes	Yes	No
Pipework - pre-fitted to front	No	No	No	No	Yes	Yes	No
Pipework - pre-fitted to rear	No	No	No	No	Yes	Yes	No
Sprung buffers	No	Yes	Yes	No	Yes	Yes	Yes

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

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

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

Coupling type	Tension lock	Tension lock	Tension lock	Tension lock	Tension lock	Tension lock	Tension lock
Weighting (to assist adhesion)
Within chassis	Yes	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	Body clips off from chassis	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws
Electrical
Motor type	Pancake	5-pole with two flywheels	5-pole with two flywheels	5-pole (standard)	5-pole with two flywheels	5-pole with two flywheels	5-pole with two flywheels
Motor location	1 bogie mounted	Centre of chassis	Centre of chassis	Centre of chassis	Centre of chassis	Centre of chassis	Centre of chassis
Power collection	2 rail DC	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	No	Yes	Yes	Yes
Illuminated headcodes	No	Yes	Yes	No	Yes	Yes	Yes

Pickups	Power bogie only	All wheels	All wheels	All wheels	All wheels	All wheels	All wheels
DCC speaker	No provision for speaker	Provision for 23mm round speaker	Provision for 23mm round speaker	No provision for speaker	Provision for 23mm round speaker	Provision for 23mm round speaker	Provision for 23mm round speaker
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