Comparison of OO TTA tank models

Hornby OO TTA tank Bachmann Branchline OO TTA tank Bachmann Branchline OO TTA tank Hornby OO TTA tank
Manufacturer Hornby Bachmann Branchline Bachmann Branchline Hornby
Year model introduced 1973 2005 2023 2023
DCC Capability Unpowered Unpowered Unpowered Unpowered
Bodyshell
Bodyshells represented (of Prototypes)
45t TTA - Class B with conical ends No No Yes
No
Detailing
Bodyshell - factory-fitted separate details
Body ladders Yes
Yes
Yes
Yes
Filler Cap No Yes
Yes
Yes
Handrails No Yes
Yes
Yes
Lamp irons No Yes
Yes
Yes
Wagon information panel No No No Yes
Walking platforms Yes
Yes
Yes
Yes
Chassis/underframe detail
Air tank No No No Yes
Brake rigging chassis Yes
Yes
Yes
Yes
Footsteps No Yes
Yes
No
Handbrake wheel/ lever Yes
Yes
Yes
Yes
Wheel "aesthetics"
Chemically-blackened No No No Yes
Metal-pin point bearings No Yes
Yes
Yes
Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only No Yes
Yes
Yes
Pipework - pre-fitted to front No No No Yes
Pipework - pre-fitted to rear No No No Yes
Sprung buffers No No No Yes
Detail pack also contains...
Tail lamp(s) No No No Yes
Mechanical
Body Construction Plastic
Plastic with metal parts
Plastic with metal parts
Plastic with metal parts
Chassis construction Lightweight
Plastic & metal
Plastic & metal
Plastic & metal
Minimum radius Radius 1
Radius 1
Radius 1
Radius 1
Coupling socket/mounting
Fixed Yes
No No No
NEM pockets No Yes
Yes
Yes
Coupling type Tension lock
Tension lock
Tension lock
Tension lock
Weighting (to assist adhesion)
Within chassis No Yes
Yes
No
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