Comparison of OO Class 35 'Hymek' models
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| 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 |
| Items in Stock | View | View | View | View | View |