Comparison of O Class 47 models
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| Manufacturer | Heljan | Heljan |
| Year model introduced | 2007 | 2021 |
| DCC Capability | DCC compatible but no socket | DCC Ready. Screw terminals for wired decoder |
| Bodyshell | ||
| Bodyshells represented (of Prototypes) | ||
| Class 47 - Bufferbeam (As-built Cowling) |
Yes |
Yes |
| Class 47 - Headcodes (4-character/ Domino) |
Yes |
Yes |
| Class 47 - Headcodes (Plated) | No |
Yes |
| Class 47 - High Intensity Headlight fitted | No |
Yes |
| Class 47 - Roof Grilles (Revised) |
Yes |
No |
| Class 47 - Underframe (Original) |
Yes |
Yes |
| Class 47 - Underframe (Water Tanks Removed) | No |
Yes |
| Detailing | ||
| Bodyshell - factory-fitted separate details | ||
| Bodyside Steps |
Yes |
Yes |
| Door handles | No |
Yes |
| Fan Grill (etched) |
Yes |
Yes |
| Fan(s) |
Yes |
Yes |
| Handrails |
Yes |
Yes |
| Jumper cables | No |
Yes |
| Lamp irons |
Yes |
Yes |
| Representation of internal equipment (behind grilles) |
Yes |
Yes |
| Side grilles (etched) |
Yes |
Yes |
| Chassis/underframe detail | ||
| Battery box |
Yes |
Yes |
| Engine pipework | No |
Yes |
| Footsteps |
Yes |
Yes |
| Fuel tank |
Yes |
Yes |
| Sanding gear |
Yes |
Yes |
| Bodyshell - separately-fitted details - in detailing pack (where applicable) | ||
| Aerial(s) | No |
Yes |
| Headcode panels | No |
Yes |
| Cab, footplate & interior detail | ||
| Detailed & painted |
Yes |
Yes |
| Glazing |
Yes |
Yes |
| Seating |
Yes |
Yes |
| Window wipers |
Yes |
Yes |
| Bufferbeam detail (pre-fitted) | ||
| Pipework - pre-fitted to front |
Yes |
Yes |
| Pipework - pre-fitted to rear |
Yes |
Yes |
| Sprung buffers |
Yes |
Yes |
| Bufferbeam detail (in detailing pack) | ||
| Snow plough |
Yes |
Yes |
| Detail pack also contains... | ||
| Spare footsteps | No |
Yes |
| Mechanical | ||
| Body Construction |
Plastic with metal parts |
Plastic with metal parts |
| Working cosmetic features | ||
| Rotating fan(s) |
Yes |
Yes |
| Chassis construction |
Diecast |
Diecast |
| Loco-driven wheels (number of) |
12 wheels |
12 wheels |
| Minimum radius |
4ft |
4ft |
| Coupling socket/mounting | ||
| Screw Link Couplings |
Yes |
Yes |
| Coupling type |
3-link coupling |
3-link coupling |
| Weighting (to assist adhesion) | ||
| Within chassis |
Yes |
Yes |
| Separating the body from the chassis |
Secured with one or more screws |
Secured with one or more screws |
| Electrical | ||
| Motor type |
2 x 5-pole with flywheel |
2 x 5-pole with flywheel |
| Motor location |
1 mounted on each bogie |
1 mounted on each bogie |
| Power collection |
2 rail DC |
2 rail DC |
| Working lights | ||
| Cab light | No |
Yes |
| Directional headlights & tail lights |
Yes |
Yes |
| Pickups |
All wheels |
All wheels |
| DCC speaker |
Provision for a speaker (dimensions unknown) |
Provision for a speaker (dimensions unknown) |
| Items in Stock | View | View |