Comparison of OO 4-6-2 Class A4 LNER models
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| Manufacturer | Hornby Dublo | Hornby Dublo | Trix | Hornby | Trix | Hornby | Hornby | Hornby | Hornby | Golden Age Models | Trix | Dapol | Hornby | Hornby |
| Year model introduced | 1938 | 1969 | 1970 | 1979 | 1995 | 1998 | 2003 | 2004 | 2008 | 2010 | 2011 | 2016 | 2023 | 2023 |
| DCC Capability | DCC incompatible | DCC incompatible | DCC incompatible | Motor fitted but no DCC socket. Ringfield motor | DCC incompatible. Split Chassis | Motor fitted but no DCC socket. Ringfield motor | Live steam - electric control | DCC Ready. 8-pin socket | DCC Ready. 8-pin socket | DCC fitted, with sound | DCC Ready. 8-pin socket | DCC Ready. 21-pin socket | DCC Ready. 21-pin socket | DCC Ready. 8-pin socket |
| Bodyshell | ||||||||||||||
| Bodyshells represented (of Prototypes) | ||||||||||||||
| Double Chimney | No | No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Full skirt |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Partial skirt |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Single chimney | No | No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Detailing | ||||||||||||||
| Bodyshell - factory-fitted separate details | ||||||||||||||
| Drain cocks | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Handrails |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Lamp irons | No | No | No | No | No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Nameplates - etched - require fitting | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Nameplates - plastic - pre-fitted | No | No | No |
Yes |
No | No | No | No | No | No | No | No | No | No |
| Nameplates - plastic - require fitting | No | No | No | No | No |
Yes |
No | No | No | No | No | No | No | No |
| Pipe work | No | No | No |
Yes |
No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Reverser | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Safety valve | No | No | No | No | No | No |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Safety valves - turned brass | No | No |
Yes |
No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Tender handbrakes | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Water scoop | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Whistle |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Chassis/underframe detail | ||||||||||||||
| Brake rigging chassis | No | No | No | No | No | No |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Correct-thickness "stamped" rods | No | No | No | No | No |
Yes |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Fluted connecting rods with oily finish | No | No | No | No | No | No |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Footsteps | No | No | No | No | No |
Yes |
No | No | No | No | No | No | No | No |
| Pipework | No | No | No | No | No | No |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Speedometer cable | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Sprung front bogie | No | No |
Yes |
No | No | No |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Bodyshell - separately-fitted details - in detailing pack (where applicable) | ||||||||||||||
| Drain cocks | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Cab, footplate & interior detail | ||||||||||||||
| Detailed & painted | No | No | No | No | No | No |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Fallplate | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Footplate doors | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Glazing | No | No |
Yes |
No | No |
Yes |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Tender | ||||||||||||||
| Has easy-to-use coupling to loco |
Yes |
Yes |
Yes |
No | No | No | No | No | No | No | No | No | No | No |
| Has enclosure for speaker | No | No | No | No | No | No |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Houses digital decoder | No | No | No | No | No | No |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Houses PCB | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Permanently coupled to locomotive | No | No | No | No | No | No | No | No |
Yes |
No | No | No | No | No |
| Wheel "aesthetics" | ||||||||||||||
| Chemically-blackened | No | No | No | No | No | No |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Nickel-plated | No |
Yes |
Yes |
No | No | No | No | No | No | No | No | No | No | No |
| Painted |
Yes |
Yes |
Yes |
No | No | No | No | No | No | No | No | No | No | No |
| Traction tyres | No | No |
Yes |
No | No | No | No | No | No | No | No | No | No | No |
| Bufferbeam detail (pre-fitted) | ||||||||||||||
| Cosmetic coupling - hook only | No | No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Pipework - pre-fitted to front | No | No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
| Pipework - pre-fitted to rear | No | No | No |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Sprung buffers | No | No | No | No | No | No |
Yes |
Yes |
No | No |
Yes |
No |
Yes |
Yes |
| Bufferbeam detail (in detailing pack) | ||||||||||||||
| Pipework (for front) | No | No | No |
Yes |
No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Pipework (for rear) | No | No | No |
Yes |
No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Detail pack also contains... | ||||||||||||||
| Replacement finescale wheelset(s) | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Mechanical | ||||||||||||||
| Body Construction | No | No | No | No | No | No | No | No | No | No | No |
Plastic with metal parts |
No |
Partial diecast with plastic parts |
| Working cosmetic features | ||||||||||||||
| Roof vent | No | No | No | No | No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Chassis construction |
Diecast |
Diecast |
Diecast |
Lightweight |
No |
Plastic & metal |
Plastic & metal |
Plastic & metal |
Plastic & metal |
No |
Plastic & metal |
Heavy diecast |
Plastic & metal |
Plastic & metal |
| Loco-driven wheels (number of) |
2 wheels |
2 wheels |
2 wheels |
2 wheels |
No |
2 wheels |
2 wheels |
2 wheels |
2 wheels |
No |
2 wheels |
No |
2 wheels |
2 wheels |
| Minimum radius |
Radius 1 |
Radius 1 |
Radius 1 |
Radius 2 |
No |
Radius 2 |
Radius 2 |
Radius 2 |
Radius 2 |
No |
Radius 2 |
Radius 3 |
Radius 2 |
Radius 2 |
| Coupling socket/mounting | ||||||||||||||
| Fixed |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No | No | No | No | No | No | No | No |
| NEM pocket (rear), non-NEM frame mounted (front) | No | No | No | No | No | No | No | No |
Yes |
No | No | No | No | No |
| NEM pockets | No | No | No | No | No | No |
Yes |
Yes |
No | No |
Yes |
Yes |
Yes |
Yes |
| Coupling type |
Peco style |
Tension lock |
Peco style |
Tension lock |
No |
Tension lock |
Tension lock |
Tension lock |
Tension lock |
No |
Tension lock |
No |
Tension lock |
Tension lock |
| Weighting (to assist adhesion) | ||||||||||||||
| Within boiler | No | No | No |
Yes |
No | No |
Yes |
Yes |
No | No | No | No |
Yes |
Yes |
| Within chassis |
Yes |
Yes |
Yes |
No | No | No |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Within tender | No | No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
No |
Yes |
Yes |
| Separating the body from the chassis |
Secured with one or more screws |
Secured with one or more screws |
Secured with one or more screws |
Secured with one or more screws |
No |
Secured with one or more screws |
Secured with one or more screws |
Secured with one or more screws |
Secured with one or more screws |
No |
Secured with one or more screws |
No |
Secured with one or more screws |
Secured with one or more screws |
| Electrical | ||||||||||||||
| Motor type |
3-pole |
3-pole |
5-pole (standard) |
Ringfield |
No |
Ringfield |
Live steam |
5-pole (standard) |
5-pole (standard) |
No |
5-pole (standard) |
5-pole (standard) |
5-pole (standard) |
5-pole (standard) |
| Motor location |
Locomotive |
Locomotive |
Locomotive |
Tender |
No |
Tender |
Locomotive |
Locomotive |
Locomotive |
No |
Locomotive |
Locomotive |
Locomotive |
Locomotive |
| Power collection |
2 rail DC |
2 rail DC |
2 rail DC |
2 rail DC |
No |
2 rail DC |
2 rail DC |
2 rail DC |
2 rail DC |
No |
2 rail DC |
2 rail DC |
2 rail DC |
2 rail DC |
| Working lights | ||||||||||||||
| Headlamps | No | No | No | No | No | No | No | No | No | No |
? |
Yes |
No | No |
| Pickups |
2 out of 3 axles |
Driving wheels only |
No |
Driving wheels and tender wheels |
No |
Driving wheels and tender wheels |
Driving and leading wheels and tender only |
Driving and leading wheels and tender only |
Driving wheels and tender wheels |
No |
Driving wheels only |
No |
Driving and leading wheels and tender only |
Driving and leading wheels and tender only |
| DCC speaker |
No provision for speaker |
No provision for speaker |
No provision for speaker |
No provision for speaker |
No |
No provision for speaker |
No provision for speaker |
Provision for 28mm round speaker |
Provision for 28mm round speaker |
No |
Provision for 28mm round speaker |
Pre-fitted |
Provision for 28mm round speaker |
Provision for 28mm round speaker |
| Items in Stock | View | View | View | View | View | View | View | View | View | View | View | View | View | View |