Comparison of N Class 37 models
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| Manufacturer | Graham Farish | Graham Farish | Graham Farish | Graham Farish | Graham Farish |
| Year model introduced | 1981 | 2003 | 2007 | 2009 | 2014 |
| DCC Capability | DCC compatible but no socket | DCC compatible but no socket | DCC Ready. 6-pin socket | DCC Ready. 6-pin socket | DCC Ready. 6-pin socket |
| Bodyshell | |||||
| Bodyshells represented (of Prototypes) | |||||
| Class 37/0 as built - centre headcode | No | No |
Yes |
No | No |
| Class 37/0 as built - split headcode |
Yes |
No | No | No | No |
| Class 37/0 revised bodywork - centre headcode |
Yes |
No | No | No | No |
| Class 37/0 revised bodywork - split headcode | No | No | No |
Yes |
No |
| Class 37/4 | No |
Yes |
No | No |
Yes |
| Class 37/5 - centre headcode | No | No | No | No |
Yes |
| Class 37/6 - centre headcode | No |
Yes |
No | No | No |
| Detailing | |||||
| Bodyshell - factory-fitted separate details | |||||
| Handrails | No | No |
Yes |
Yes |
Yes |
| Horn(s) | No | No |
Yes |
Yes |
Yes |
| Nameplates - etched - require fitting | No | No |
Yes |
Yes |
No |
| Radio antenna | No | No |
Yes |
Yes |
Yes |
| Chassis/underframe detail | |||||
| Battery box |
Yes |
Yes |
Yes |
Yes |
No |
| Footsteps | No | No |
Yes |
Yes |
No |
| Fuel tank |
Yes |
Yes |
Yes |
Yes |
No |
| Cab, footplate & interior detail | |||||
| Detailed & painted | No | No |
Yes |
Yes |
No |
| Glazing |
Yes |
Yes |
Yes |
Yes |
No |
| Window wipers |
Yes |
Yes |
Yes |
Yes |
No |
| Wheel "aesthetics" | |||||
| Chemically-blackened | No |
Yes |
No | No | No |
| Bufferbeam detail (in detailing pack) | |||||
| Pipework (for front) | No | No |
Yes |
Yes |
No |
| Pipework (for rear) | No | No |
Yes |
Yes |
No |
| Mechanical | |||||
| Body Construction |
Plastic |
Plastic |
Plastic with metal parts |
Plastic with metal parts |
Plastic with metal parts |
| Chassis construction |
Plastic & metal |
Plastic & metal |
Diecast |
Diecast |
Diecast |
| Loco-driven wheels (number of) |
4 wheels |
4 wheels |
12 wheels |
12 wheels |
12 wheels |
| Minimum radius |
Radius 2 |
Radius 2 |
Radius 2 |
Radius 2 |
Radius 2 |
| Coupling socket/mounting | |||||
| Fixed |
Yes |
Yes |
No | No | No |
| NEM pockets | No | No |
Yes |
Yes |
No |
| Coupling type |
N-gauge standard Arnold-Rapido |
N-gauge standard Arnold-Rapido |
N-gauge Arnold-Rapido with NEM socket |
N-gauge Arnold-Rapido with NEM socket |
N-gauge Arnold-Rapido with NEM socket |
| Weighting (to assist adhesion) | |||||
| Within chassis |
Yes |
Yes |
Yes |
Yes |
No |
| Separating the body from the chassis |
Body clips off from chassis |
Body clips off from chassis |
Body clips off from chassis |
Body clips off from chassis |
Body clips off from chassis |
| Electrical | |||||
| Motor type |
Can motor |
5-pole with two flywheels |
5-pole with two flywheels |
5-pole with two flywheels |
5-pole with two flywheels |
| Motor location |
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 |
| Working lights | |||||
| Directional headlights & tail lights | No | No |
Yes |
Yes |
No |
| Pickups |
Driving wheels only |
Driving wheels only |
All wheels |
All wheels |
All wheels |
| DCC speaker |
No provision for speaker |
No provision for speaker |
No provision for speaker |
No provision for speaker |
No provision for speaker |
| Items in Stock | View | View | View | View | View |
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