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35-305ZSFX Bachmann Class 37/0 Diesel Locomotive number 37 196 "Tre Pol and Pen" in Railfreight Grey livery - Era 8 35-305ZSFX Bachmann Class 37/0 Diesel Locomotive number 37 196 "Tre Pol and Pen" in Railfreight Grey livery - Era 8 35-305ZSFX Bachmann Class 37/0 Diesel Locomotive number 37 196 "Tre Pol and Pen" in Railfreight Grey livery - Era 8
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35-305ZSFX Bachmann Class 37/0 Diesel 37 196 Tre Pol and Pen

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35-305ZSFX Bachmann Class 37/0 Diesel Locomotive number 37 196 "Tre Pol and Pen" in Railfreight Grey livery - Era 8.

Exclusive to Kernow Model Rail Centre

Built at the English Electric Robert Stephenson & Hawthorns Works, D6896 entered service in April 1964. Under the TOPS numbering system, it was renumbered as 37 196 in April 1974.  

On 11th February 1985, 37 196 was transferred to Laira and was subsequently named Tre Pol and Pen’ at Truro on 16th July 1985 by Councillor Julian Williams, Chairman of Cornwall Country Council. 37 196 was the first Class 37 to be painted into the new Railfreight Grey livery, which had first been applied to the new Class 58 locos. The naming ceremony was one of a number which were carried out in 1985 as part of the GW150 Celebrations and the loco carried a small plaque to commemorate this.

The name comes from an old Cornish rhyme: “By Tre, Pol and Pen, Shall ye know all Cornishmen”. The words mean homestead, pool and hill and are used to describe people from or places in Cornwall.

37 196 carried the name and, in the condition as depicted by this KMRC Exclusive model, until 2nd May 1987 was transferred to Cardiff on 5th July 1987.

37 196 was withdrawn from service on 24th February 2009.

The British Rail Class 37 is a favourite among enthusiasts and modellers alike and, having been a firm fixture in the Bachmann Branchline OO scale range for many years, in 2022 an all-new model of this iconic locomotive was launched. Built to unprecedented levels of accuracy and fidelity, the new Branchline model incorporates the latest technology and shares many common features and specifications with the award winning Bachmann Branchline Class 47. 

Following in the footsteps of the Class 47, our all-new OO scale Class 37 has been designed from the rails up to ensure this classic locomotive is modelled in all its glory. With high fidelity mouldings, numerous separately fitted parts and countless tooling variations to capture the minutiae of the real locomotives throughout their lives, our new 37 is brought to life with an exquisite livery application using true-to-prototype colours, fonts and logos. Along with an exceptional array of lighting features, our Dual Fitted speaker system brings this SOUND FITTED DELUXE model to life and what’s more, it also features our award-winning motorised radiator fan and authentic tinted windscreen glazing!

  • Bachmann Branchline OO Scale
  • Era 8
  • Pristine BR Railfreight Grey livery
  • Running No. 37 196
  • Name "Tre Pol and Pen" - supplied with etched nameplates
  • SOUND FITTED DELUXE - Fitted with a Zimo MS450P22 DDC Sound Decoder – See below for the function list
  • Motorised Radiator Fan
  • Tinted Windscreen Glazing
  • Length 245mm


  • Split Headcode Panels – Plated with Marker Lights fitted

Additional Nose End Details:

  • Headboard Clips
  • Corner Handrails


  • Bufferbeam Valance Removed
  • Coupling Bash Plate


  • Oval Buffers


  • Original Windscreen

Cantrail Grilles:

  • Robert Stephenson and Hawthorns Cantrail Grilles (with additional upright strengthening bars)

Boiler Roof:

  • Welded Boiler Roof

Boiler Port:

  • Blanked Boiler Port and Plated Safety Valves

Bodyside Water Filler:

  • Sealed Water Filler Door and Plated Access Steps


  • Fabricated Bogies

Speedo Drive:

  • Original Speedo Drive
  • Mileage Counter

Water & Fuel Tanks:

  • Twin Fuel Tanks with Ex-Water Tank Gauges Plated Over



  • Five pole, twin shaft motor with two flywheels providing drive to both bogies
  • All axle drive
  • Electrical pickup from all wheels
  • Separate metal bearings fitted to each axle
  • Diecast metal chassis block and bogie towers
  • Diecast metal gearboxes, with gearing arranged for prototypical running speeds and haulage capabilities
  • 5mm (OO gauge) wheels to NEM310 & NEM311 standards with authentic profile and detailing
  • Detachable coupling pockets to NEM362 standards fitted to each bogie
  • Designed to operate on curves of second radius (438mm) or greater


  • Bogies constructed from multiple components featuring full relief detail
  • Rotating radiator fan, driven by an independent motor and gearbox, operated as part of the sound project on DCC and Analogue control (SOUND FITTED DELUXE models only)
  • Tinted windscreen glazing (SOUND FITTED DELUXE models only)
  • Separately applied metal detail parts, including grab handles, windscreen wipers and etched fan grilles
  • Sprung metal buffers
  • Each model supplied with a full set of decorated, model-specific bufferbeam pipework and accessory parts


  • Directional lighting, including headlights and high intensity headlights where applicable, switchable on/off at either end on DCC or Analogue control
  • Cab lighting*, assigned to two DCC functions for separate switching of each
  • Separately switched Engine Room lighting*
  • ‘Yard Light’ mode*, red tail lights and/or marker lights displayed at both ends (*when used on DCC)
  • Authentic light colours and temperatures selected for each model based on era and application


  • Plux22 DCC decoder interface


  • Two quality speakers employed for optimum sound reproduction, fitted to every model as standard
  • Zimo MS450P22 DCC Sound Decoder fitted to SOUND FITTED and SOUND FITTED DELUXE versions
  • Four sound projects to accurately capture the sounds of Class 37/0s as originally built, those with thermostatically controlled fans, Class 37/4s and DRS-modified locos.
  • Sound files for each project produced specifically for the Bachmann Branchline Class 37 using recordings from real locomotives
  • SOUND FITTED and SOUND FITTED DELUXE models operate on DCC and Analogue control as supplied. On Analogue, an authentic engine start up sequence and running sounds are produced when power is applied


  • Authentic liveries applied to all models
  • Multiple paint applications employed on each model using BR and corporate specification colours
  • Logos, numerals and text added as appropriate using multi-stage tampo printing using authentic typefaces, logos and colours
  • In addition, where applicable Etched Nameplates and Plaques are also provided


F0 - Directional Lights - On / Off (plus Light Switch Sound)

F1 - On - Warm Engine Start / On, Off - Failed Engine Start / On, Off, On, Off, On - Cold Engine Start

F2 - Brake

F3 - Single Horn (Playable)

F4 - Double Horn

F5 - Light Engine Mode

F6 - Coasting (Manual notch Down if F22 On)

F7 - Speed Lock

F8 - On - Sound Fade Out / Off - Sound Fade In

F9 - Flange Squeal (Speed Related)

F10* - Fan Operation & Noise

F11 - Buffer Up

F12 - Coupling

F13 - Stationary - Guard’s Whistle / Moving - Detonators

F14 - Wagon Snatching & Buffering (Speed Related)

F15 - High Intensity Light (If Fitted)

F16 - Red Tail Lights On Both Ends (Non Directional)

F17 - Marker Lights On Both Ends (Non Directional)

F18 - Cab Light On - No. 1 End (Fan)

F19 - Cab Light On - No. 2 End (non-Fan)

F20 - No. 1 End Directional Lights Off

F21 - No. 2 End Directional Lights Off

F22 - Compressor

F23 - Windscreen Wipers

F24 - Engine Room Lights

F25 - Spirax Valve

F26 - Shunt Mode

F27 - Volume Down

F28 - Volume Up

* Fan Operation and Sounds are activated as part of the Sound Project with F1 On. F10 allows you to override this and activate on demand (not applicable to Sound Project 1 - Class 37/0s as-built)

Analogue Users: Please note that normal load running sounds and any other automatic or randomised sounds will also operate, along with fan operation and sounds (according to the particular Sound Project) when this model is used on analogue control (DC) straight from the box!


The British Rail 1955 Modernisation Plan paved the way for the large-scale replacement of steam traction with diesel locomotives, and one of the most successful diesel locomotive designs to result from this was the English Electric Type 3. These 1,700hp Types 3 diesel-electric locomotives were built at English Electric’s Vulcan Foundry and by Robert Stephenson & Hawthorns between 1960 and 1965, with 309 examples produced in total. When TOPS was implemented the type was designated Class 37.

The class proved popular with railwaymen and so in 1985, a major refurbishment programme for the Class 37 locomotives was sanctioned to extend the working lives of 135 locomotives. Features of the refurbishment involved plating over the four-character head codes and sealing off the nose end communication doors. Dedicated freight locomotives received lower gearing to increase the tractive effort, and some were fitted with extra ballast or even more powerful engines. A new subclass was created for locomotives refurbished with Electric Train Heating (ETH) equipment, allowing their use on passenger trains the whole year-round.

With the sectorisation of British Rail taking hold in the early-1980s, the locomotives returned to traffic following refurbishment in a wide and diverse range of liveries. Passenger machines appeared in BR Blue Large Logo, InterCity and Regional Railways schemes to name just three, whilst freight engines received numerous varieties of Railfreight livery, Transrail, Mainline and Loadhaul. The Class continued to be widely used into the Privatisation-era, with examples operating for the likes of EWS, DRS, West Coast Railways and Colas, whilst others have received ‘retro’ heritage repaints.

35-305ZSFX Bachmann Class 37/0 Diesel 37 196 Tre Pol and Pen
DCC Status:
DCC Sound Fitted Deluxe
OO Gauge
£ 379.95
Product Code:
In Stock - usually despatched within 24 hours
Stock Level:

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