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Comparison of OO 4-6-2 Class A4 LNER models

Hornby Dublo OO 4-6-2 Class A4 LNER Hornby Dublo OO 4-6-2 Class A4 LNER Trix OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Trix OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Golden Age Models OO 4-6-2 Class A4 LNER Trix OO 4-6-2 Class A4 LNER Dapol OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER Hornby OO 4-6-2 Class A4 LNER
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
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