Comparison of HO 4-8-8-4 Class 4000 'Big Boy' UP models


Manufacturer	Rivarossi	Broadway Limited Imports
Year model introduced	2009	2019
DCC Capability	DCC Ready. 21-pin socket	DCC decoder fitted. Analogue compatible
Detailing
Bodyshell - factory-fitted separate details
Bell	Yes	No
Boiler supports	Yes	No
Chimney	Yes	No
Company branding	Yes	No
Drain cocks	Yes	No
Handrails	Yes	No
Headlamp	Yes	No
Injector	Yes	No
Injector pipework	Yes	No
Numberplates - plastic - pre-fitted	Yes	No
Pipe work	Yes	No
Reverser	Yes	No
Safety valve	Yes	No
Tail lamp	Yes	No
Tender ladder	Yes	No
Walking platforms	Yes	No
Whistle	Yes	No

Chassis/underframe detail
Air tank	Yes	No
Correct-thickness "stamped" rods	Yes	No
Fluted connecting rods with oily finish	Yes	No
Footsteps	Yes	No
Handbrake wheel/ lever	Yes	No
Inside valve gear (cosmetic)	Yes	No
No visible gap between front-bogie & frames	Yes	No
Pipework	Yes	No
Sprung front bogie	Yes	No

Cab, footplate & interior detail
Detailed & painted	Yes	No
Glazing	Yes	No

Tender
Has easy-to-use coupling to loco	Yes	No
Houses digital decoder	Yes	No
Houses PCB	Yes	No

Wheel "aesthetics"
Chemically-blackened	Yes	No
Painted	Yes	No
Traction tyres	Yes	No

Bufferbeam detail (pre-fitted)
Lifeguard	Yes	No

Detail pack also contains...
Branded pin badge	Yes	No
Locomotive plaque	Yes	No
Spare handrails	Yes	No
Spare wheelset	Yes	No

Mechanical
Chassis construction	Diecast	No
Loco-driven wheels (number of)	16 wheels	No
Minimum radius	Radius 3	No
Coupling socket/mounting
Non-NEM socket	Yes	No

Coupling type	Buckeye couplings	No
Weighting (to assist adhesion)
Within chassis	Yes	No

Separating the body from the chassis	Secured with one or more screws	No
Electrical
Motor type	5-pole with flywheel	No
Motor location	Locomotive	No
Power collection	2 rail DC	No
Working lights
Directional headlights (no tail lights)	Yes	No
Headlights (independent)	Yes	No

Pickups	7 out of 8 axles	No
DCC speaker	Provision for a speaker (dimensions unknown)	No
Items in Stock	View	View