Class 37/4 - 37425 "Sir Robert McAlpine / Concrete Bob"

The 'Final' Livery 37425 is depicted as now delivered into traffic.

• 2020-present
• Regional Railways livery
• Centre headcode nose with headlight, large LED tail lights and MW socket
• Refurbished 'split' nose grilles
• Nose aerial
• Cutaway bufferbeam cowling with squared oval buffers
• ETH bufferbeam configuration with ETH/air/vac/control/MW pipes
• Toughened windscreens with as built cab layout
• Plated bodyside windows (both sides)
• Welded roof with plated boiler exhaust and no cab roof vent
• Fabricated bogies
• Boiler water tank converted to long range fuel tank
• Late EE cantrail grilles
• Plated bodyside water filler and associated steps
• Optional miniature snowploughs
• Triple cab door kickplate

Common Features:

• Highly detailed OO scale model, 1:76.2
• Heavy die-cast metal chassis
• Accurate tumbleholme, nose, cab roof and cantrail curves taken from 3D Laser scan and extensive surveys
• Timeframe specific details, including but not limited to;
• Bogies (Fabricated and three variations of Cast)
• Fuel tanks (As built and with later smooth-sided long range fuel tank)
• Early Class 37/0 features frost grille, boiler filler panel and access steps
• Early Class 37/0 features illuminated split headcode displays with a selection of different four-character headcodes
• Class 37/6 have operational WIPAC light clusters and top headlight and numerous different nose slides all including multiple working socket
• Three styles of buffer: large round Oleo, oval and squared oval
• Three styles of nose grilles: as built, refurbished ‘split’ and refurbished ‘single piece’
• Boiler exhaust, and two styles of plated boiler panel
• With or without bufferbeam skirts
• With or without cab roof vents and bodyside windows
• Nose and roof aerials and antennas (where applicable)
• Three styles of windscreen: standard, centre toughened and all toughened
• Three styles of cab interior: as built, refurbished and modern DRS locos
• Four bufferbeam variations with different piping configurations
• Door kickplates where applicable
• Multiple body and nose slides to accurately represent almost every member of the class, including three variations of cantrail grille: early EE (for D6700-D6704), later EE and RSH
• Four roof styles: Original double riveted, single riveted, welded and welded with antennas
• Separately applied etched metal and high fidelity plastic detail parts, including grab handles, aerials, steps, wipers, nameplates, crests and more.
• Etched metal door kickplates (where applicable), ‘frost’ grille (where applicable) & super fine etched metal roof grille
• Scale width wire handrails
• Turned brass roof-mounted horns on centre headcode examples
• Full underbody tank detail with brackets and pipework
• Bogies feature separate footsteps, etched footsteps, brake cylinders, speed recorder, end brake rigging and very fine brake chain
• Brake blocks on trucks (bogies) in line with wheels (can be moved for EM/P4 gauges)
• Numerous other locomotive-specific details yet to be revealed!
• RP25-110 profile OO gauge wheels with fine scale ‘drop in’ EM (18.2mm gauge) and P4 (18.83mm gauge) wheels available separately
• Accurate high-fidelity miniature snowploughs
• Fully sprung metal buffers, extra-fine factory-installed pipework and screw couplings
• Correct height mini-tension-lock couplers with NEM socket as well as a fully detailed bufferbeam
• Provided DCC ready [21Pin MTX Socket] or Factory DCC Sound Fitted [ESU LokSound 5]
• Every model includes PowerPack / Backup Power Capacitor Bank for up to ten seconds of power free running, flicker free lighting and continuous sound
• DCC Sound Versions include;
• ESU LokSound V5 DCC Chip
• Customised Dual-Speaker Technology with;
• Large accurathrash Bass Speaker
• Smaller 'iphone' style cube for higher frequencies
• High Performance traction, to include;
• High-quality five-pole motor with two flywheels
• Metal Helical Gear box for maximum performance and slow speed running
• Gearing arranged so locomotive can achieve a scale top speed of 100 mph (160 km/h)
• DCC ready with PowerPack Super-capacitor for uninterrupted power and super low speed running
• All wheel drive and all wheel pickup
• Fully detailed Lighting Pack, including: 
• Directional lighting on DC and DCC
• Fully functional Headlights per prototype
• Engine Bay Lighting (with visible Prime Mover)
• WIPAC light clusters where appropriate with day and night-time settings
• Separately switched cab lighting and illuminated, details driver’s console, auto off on movement
• Switchable red tail lights
• RP25-110 wheels OO wheels with provision for re-gauging to p4 and EM gauge
• Minimum Radius 438mm (2nd Radius Set-track)