Comparison of O Class 20 models
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| Manufacturer | JLTRT - Just Like The Real Thing | Bassett Lowke | Heljan |
| Year model introduced | 2000 | 2007 | 2009 |
| DCC Capability | DCC suitability unknown | DCC incompatible | DCC Ready. Screw terminals for wired decoder |
| Bodyshell | |||
| Bodyshells represented (of Prototypes) | |||
| Class 20 - Headcode boxes | No | No |
Yes |
| Class 20 - Headcode discs | No |
Yes |
Yes |
| Detailing | |||
| Bodyshell - factory-fitted separate details | |||
| Door handles | No | No |
Yes |
| Exhausts | No | No |
Yes |
| Fan Grill (etched) | No | No |
Yes |
| Fan(s) | No | No |
Yes |
| Handrails | No |
Yes |
Yes |
| Horn(s) | No | No |
Yes |
| Lamp irons | No | No |
Yes |
| Panel cover handles | No | No |
Yes |
| Side grilles (etched) | No | No |
Yes |
| Vents | No | No |
Yes |
| Chassis/underframe detail | |||
| Battery box | No |
Yes |
Yes |
| Footsteps | No | No |
Yes |
| Pipework | No | No |
Yes |
| Sanding gear | No | No |
Yes |
| Bodyshell - separately-fitted details - in detailing pack (where applicable) | |||
| Headcode discs | No | No |
Yes |
| Cab, footplate & interior detail | |||
| Detailed & painted | No | No |
Yes |
| Glazing | No |
Yes |
Yes |
| Seating | No | No |
Yes |
| Window wipers | No | No |
Yes |
| Wheel "aesthetics" | |||
| Chemically-blackened | No |
Yes |
Yes |
| Metal-pin point bearings | No | No |
Yes |
| Nickel-plated | No |
Yes |
No |
| Painted | No | No |
Yes |
| Bufferbeam detail (pre-fitted) | |||
| Pipework - pre-fitted to front | No | No |
Yes |
| Pipework - pre-fitted to rear | No | No |
Yes |
| Sprung buffers | No | No |
Yes |
| Mechanical | |||
| Body Construction | No | No |
Plastic with metal parts |
| Working cosmetic features | |||
| Rotating fan(s) | No | No |
Yes |
| Chassis construction | No | No |
Diecast |
| Loco-driven wheels (number of) | No | No |
8 wheels |
| Minimum radius | No | No |
Radius 2 |
| Coupling socket/mounting | |||
| Fixed | No |
Yes |
No |
| Screw Link Couplings | No | No |
Yes |
| Coupling type | No | No |
3-link coupling |
| Weighting (to assist adhesion) | |||
| Within chassis | No | No |
Yes |
| Separating the body from the chassis | No | No |
Secured with one or more screws |
| Electrical | |||
| Motor type | No | No |
2 x 5-pole motors |
| Motor location | No | No |
1 mounted on each bogie |
| Power collection | No |
2 or 3 rail DC |
2 rail DC |
| Working lights | |||
| Directional headlights & tail lights | No |
Yes |
Yes |
| Illuminated headcodes | No | No |
Yes |
| Pickups | No | No |
All wheels |
| DCC speaker | No |
No provision for speaker |
No provision for speaker |
| Items in Stock | View | View | View |