50-172ZSF Class 439 Caledonian 0-4-4T 419 CR Lined Dark Blue (1975 Cavalcade Condition) Steam Locomotive - DCC Sound

Exclusive to Rails of Sheffield

Expected Delivery 2027 (Subject to Change at Manufacturer's Discretion).

MECHANISM:

• Coreless motor
  
• Electrical pickup from all wheels
  
• Separate metal bearings fitted to each driving axle
  
• Diecast metal chassis block
  
• Diecast metal gearbox, with gearing arranged for prototypical running speeds and haulage capabilities
  
• Pivoting and sprung rear pony truck
  
• 16.5mm (OO gauge) wheels to NEM310 & NEM311 standards with authentic profile and detailing
  
• Detachable coupling pockets to NEM362 standards fitted at each end
  
• Auto-Release Couplings fitted at both ends – DCC operated, hands-free uncoupling with the press of a function button (SOUND FITTED DELUXE models only)
  
• Designed to operate on curves of second radius (438mm) or greater

DETAILING:

• Diecast metal running plate with integral side tank weights
  
• Precision moulded plastic boiler, side tanks and cab
  
• Separately applied details including lamp irons, Westinghouse pump, handrails, whistle, vacuum pipes, oil pots and turned brass safety valves
  
• Highly detailed and decorated cab interior including separately fitted regulator, reverser, handbrake and valve wheels
  
• Running gear detailing includes springs, brakes and separately fitted brake gear, and sandpipes
  
• Glazed cab spectacles
  
• Sprung metal buffers
  
• Each model supplied with an accessory pack including air tanks, additional bufferbeam pipework, cab steps and screwlink couplings

LIGHTING:

• Firebox Glow (on analogue) / Firebox Glow & Flicker (on DCC or when SOUND FITTED models are used on analogue)

DCC:

• Next18 DCC decoder interface 
  
• Bach-Up Stay Alive System providing uninterrupted power to prevent stalling, light flicker and sound cut-outs (operates on DCC only)

SOUND:

• Speaker installed in all models for optimum sound reproduction
  
• Zimo MS591N18 DCC Sound Decoder pre-installed in SOUND FITTED and SOUND FITTED DELUXE versions
  
• Sound files produced specifically for the Bachmann Branchline Caledonian Class 439 Tank using recordings from real locomotives
  
• SOUND FITTED and SOUND FITTED DELUXE models operate on DCC and Analogue control as supplied

LIVERY APPLICATION:

• Authentic liveries applied to all models
  
• Multiple paint applications employed on each model
  
• Logos, numerals and text added as appropriate using multi-stage tampo printing process, incorporating authentic typefaces, logos and colours