Compare HO 4-8-8-4 Class 4000 'Big Boy' UP
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| 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 | 
