LNER K4 Advanced

Compatibility: Train Simulator Classic
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The LNER K4 was a class of 2-6-0 ‘Mogul’ steam locomotives of which six were built between 1937 and 1939. It is a primary example of Sir Nigel Gresley’s ethos of designing locomotives for specific routes and tailored perfectly to the route’s requirements, rather than producing a standard class of locomotive for use across the entire London & North Eastern Railway.

Now you can drive this LNER K4 Advanced add-on and relive the glorious steam days of the West Highland Line while celebrating the remarkable survival of one of just six loco’s in all of her post-preservation liveries!


  • LNER Darlington Green
  • LNER Lined Black
  • LNER Wartime Black
  • BR Lined Black


We have recreated four main chapters in the preservation story of 3442 The Great Marquess, from her entry into preservation in the 1960s right up to the present day.

  • 1960s – LNER Doncaster Green
  • 1980s – LNER Doncaster Green in Darlington style
  • 2000s – BR Lined Black
  • 2010s – BR Lined Black


MatrixTrains LNER Gresley Teak coaches - These exquisite models include a beautiful passenger view, updated textures, updated simulation, updated audio and Just Trains steam heating effects. They also interact intelligently with the LNER K4 in order to simulate the lack of Direct Admission valves in Advanced mode, where the train brakes take much longer to apply and offer a more challenging drive. The LNER Gresley Teaks are in LNER Varnished Teak, BR Crimson & Cream and BR Maroon liveries, all with intermediate weathering.

Just Trains BR Mk.1 coaches - six types of Just Trains Mk.1 coach are also included, all complete with passenger view, a unique leaking steam effect from the coach heating system and connecting pipes. These Mk.1 coaches have received a thorough overhaul specially for the release of this LNER K4, with enhanced textures, improved sounds and brand new steam heat scripting with advanced random leakage and pressure propagation effects. The included Mk.1s are in BR Maroon, BR Chocolate and Cream, BR Corporate Blue & Grey, WCR Red, West Highland Line Tourist Apple and Cream, and Kyle Line Tourist Apple and Cream liveries.

See the Detailed Description for full details of the locomotives and the included Advanced features!


Fully replicating a realistic steam locomotive in Train Simulator is simply not possible, but this LNER K4 Advanced add-on gives you the most authentic experience to date of operating and driving a steam locomotive.

The Advanced locomotive features include:

  • ActivHints - provides useful hints and tips for operating the loco and also informs you of how you could improve your practice, or of urgent matters such as low water in the boiler.
  • ActivFireman - an intelligent fireman who will take over the firing responsibilities so that you can just enjoy the drive.
  • Authentic audio - the sound set has been created from a number of sources, including a recording of a real-world high speed main line run along the Kyle Line right next to the smokebox, and includes a superb collection of whistle sounds, detailed cab instrument and equipment sounds, noisy run sounds and track joints.
  • Double-beat regulator valve
  • Operating snifter/anti-vacuum valve
  • Realistic reverser behaviour - the reverser lock is required to lock the reverser in place when the driver is not moving it, to prevent it from oscillating with the Walschaerts valve gear and creeping into forward gear. The reverser must be unlocked, by pulling the locking latch forward, before it can be moved.
  • Realistic brake simulation - features include vacuum brakes that take longer to apply or release depending on the length of the train, the simulated diffusion of air into and out of the train pipe, and brake behaviour being dependent on the type of train being hauled.
  • Scripted Automatic Warning System (AWS) and Train Protection Warning System (TPWS) (61994 preserved only)
  • ActivScript scripted wheel animation, wheelslip and wheelskid - the driving wheels will accelerate with wheelslip, decelerate to a halt during wheelskid and turn in the opposite direction of travel if the reverser is wound back into the opposite gear.
  • Chuff sounds and exhaust effects - always accurately synchronised with the wheel position, even during wheelslip and wheelskid.~
  • Quillable whistle - produce different notes and play tunes on the whistle by dragging the whistle levers up and down.
  • Weather and seasons have a direct effect on adhesion - you can find yourself in a whole heap of trouble as precipitation begins to build up on the rails.
  • Realistic water levels and gauges - see the photorealistic water level rise and fall with gradients, while also sloshing back and forth during acceleration and deceleration, and oscillating as the water in the boiler boils over.
  • Permanent damage and solvable performance suppressions - includes cylinder explosion due to an excess of water in the cylinders.
  • Fully modelled 3D firebox interior - includes fire, fire bed and coal animations.
  • Realistic damper and fire temperature control - use both the main damper wheel to control the main air stream through the fire bed and the fire flap to control the secondary air through the fire hole in the cab.
  • Intelligent and advanced firing - ‘lumps’ of coal are thrown into the fire instead of a steady stream. Closing the fire doors automatically turns off the firing control.
  • Davies & Metcalfe exhaust injector - use exhaust steam from the cylinders, or automatically switch over to live steam from the boiler when the steam chest pressure is very low.
  • Tender controls - drag the tender water feeds down to provide water to the injectors, click on the LNER hand oil lamp for some light in the cab, and use the handbrake.
  • Steam heat control - keep your passengers on board the Just Trains Mk.1 coaches nice and toasty during the winter season, and see the steam leaks from the carriage steam heat pressure relief valves and sometimes shoddy piping! The gauge will rise to maximum pressure at a varying speed depending on how wide you open the valve. There is a random leak rate which will be slightly different each time you drive.
  • Intelligent communication between Advanced locomotives – couple one or more K4s together, or double-head with a Just Trains 4MT, Clan, 5MT, K4 or Manor for synchronised control of cylinder drain cocks and regulator, and for communicating with a little toot of your whistle!
  • Advanced and photorealistic smoke and steam effects - see the main smoke stack change density and velocity with the change in blast pipe pressure and change colour with stoking and the change in fire mass.
  • Realistic and detailed external animations - these include loco brake linkage, cab side windows, sliding cab roof hatches and realistically moving mechanical lubricators.
  • Visible raindrops - will appear on the windows of the exterior model.
  • Advanced AI - AI trains whistle when starting to move and open and close the cylinder drain cocks automatically. In bad weather AI trains may even wheelslip and apply the sanders intelligently. For other loco’s in the player consist, such as in double-headers, other K4s, 7MTs or 5MTs have a more ‘human’ personality in their response to the player driver and loco.
  • Headcode - change the headcode to whatever you like, whenever you like, or via the number string in the Scenario Editor.
  • LNER handlamp - useful for when it gets a bit dark in the cab.
  • Driving in a double-header - before you start to move off, you should inform the other driver that you’re ready to go by pressing [B] to give a short toot on the whistle. The other driver will put his loco into gear and, once he is ready, will toot back to you. Once he has tooted back, you can set off.
  • Fill sandboxes - remove their lids and watch the sand level rise as you fill them.
  • Steam chest - there is a delay between opening/closing the regulator and the subsequent change in steam chest pressure and the supply to the cylinders. The delay varies depending on how saturated the internal steam pipe system is and how much the main valves are open. There is also a simple implementation of the piston valve action controlled by the reverser, which brings the simulation a step closer to replicating the real thing.
  • Operating independent loco and tender brake - the locomotive and tender are braked by vacuum via the main train pipe, and do not have an independent brake control. However, the loco and tender brakes can be released even when the train brakes apply.
  • Authentic vacuum brake
  • Cylinder drain cocks
  • Priming - priming is simulated and must be avoided to stop the cylinders getting damaged! If the cylinder blows up, it’s game over.
  • Realistic injector performance and steam usage - unlike the BR Standards, the water valves under the driver’s and fireman’s seats are only trimming valves to adjust the flow rate – they do NOT turn off the water! You must use the tender feed valves to start and stop water flow from the tender. You will need to balance the opening of the steam valves against how far open the water valves are. The K4 Advanced is quite a thirsty model, so you will be using the injectors frequently!
  • LNER gravity and steam sanders
  • Directional steam sanders (61994 2010s version only) - the sander lever must be pulled to the left to operate the front sanders for when the locomotive operates in forward, and pulled to the far right to operate the rear sanders used when travelling tender first. Using sand depletes the sand level in the sandbox, and when the sandbox is empty the sanders can no longer apply sand to the railhead and improve adhesion.
  • Refilling the sandboxes - When driving in Advanced mode a finite quantity of sand is available for the sanders, but you can stop the train at any time, apply the handbrake and refill the sandboxes.
  • Cabview camera positions - this locomotive uses the Train Simulator multi-position cabview camera to provide various driving positions, including a head-out view out of the side windows that allows you to continue to grab the controls with the mouse and have full freedom of head movement, and a view of the internal firebox to monitor the fire. You can see all of the same highly realistic animations on the exterior model from your cabview positions, including the valve gear and lubricators, as well as seeing the correct details such as the nameplates and the lamps set for the headcode.
  • Animated exterior model cab controls - look into the cab from an exterior camera and you will notice the regulator, reverser and brake moving as well as the fire roaring away behind the animated firebox flap and door.


17 scenarios are included, with a total duration of approximately 22 hours.

Please note that not all the following routes are included in Train Simulator by default and are not supplied with this software; they are available either from Just Trains or from the STEAM store. At least one of the scenarios requires the Train Simulator: European Locomotive & Asset Pack for some of the rolling stock used.

West Highland Line (South) Route Add-on

These scenarios are based on the real-world 1950s timetable.
K4 – Afternoon Arrival Part 1
Duration: 85 minutes
Drive the 10:21 Glasgow-Fort William from Helensburgh Upper to Crianlarich on a glorious June afternoon.

 K4 – Afternoon Arrival Part 2
Duration: 144 minutes
Drive the 10:21 Glasgow-Fort William from Crianlarich to Fort William on a glorious June afternoon.

 K4 – Fish for London
Duration: 120 minutes
Additional requirements: EU Asset Pack/Train Simulator prior to Sept 2012
Drive an express fish train from Fort William Yard to Crianlarich on a wet and windy evening in the autumn of 1951. Will you make the steep climb to Corrour safely?

K4 – Railtour Return
Duration: 180 minutes
Drive 3442 The Great Marquess on a returning railtour from Fort William to Edinburgh, between Fort William and Crianlarich. Photographers are out in force for this train which celebrates the end of the ‘Jacobite’ season!

K4 – To The Rescue
Duration:  100 minutes
A K4 has stalled on the slog up to Loch Treig. Leave your train at Corrour and head down the steep gradient to provide assistance to the stricken train before continuing your journey to Fort William!

Settle to Carlisle Route Add-on

K4 – The Cumbrian Mountain Express (1990) Part 1
Duration: 50 minutes
Drive 3442 The Great Marquess on a ‘CME’ in March 1990 between Carlisle and Settle.

K4 – The Cumbrian Mountain Express (1990) Part 2
Duration: 100 minutes
Drive 3442 from Appleby to Settle in Part 2 of ‘The Cumbrian Mountain Express’ scenario.
West Coast Main Line North Route Add-on

K4 – The West Highlander Part 1
Duration: 45 minutes
Drive 61994 The Great Marquess on ‘The West Highlander’ from Carlisle to Lockerbie.

K4 – The West Highlander Part 2
Duration: 40 minutes
Drive 61994 The Great Marquess on ‘The West Highlander’ from Lockerbie to Abington, conquering Beattock Summit in the process!

K4 – The West Highlander Part 3
Duration: 50 minutes
Drive 61994 The Great Marquess on ‘The West Highlander’ from Carstairs to Glasgow Central.

The Kyle Line – Inverness to Kyle of Lochalsh

K4 – The Great Britain Part One
Duration: 220 minutes
Drive 61994 The Great Marquess from Inverness to Kyle of Lochalsh on ‘The Great Britain’ in April 2010.

 K4 – The Great Britain Part Two
Duration: 70 minutes
Drive 61994 The Great Marquess on the returning ‘Great Britain’ from Kyle to Inverness. You will be in charge from Kyle of Lochalsh to Achnasheen.

 K4 – The Great Britain Part Three
Duration: 150 minutes
Return 61994 from Achnasheen to Inverness on a glorious evening in April 2011.

Newcastle to Edinburgh

K4 – Morpeth Meander
Duration: 35 minutes
 Drive 61994 The Great Marquess on a railtour leg from Morpeth back to Newcastle Central.
Fantastic West Somerset Railway

K4 – Minehead Marquess
Duration: 73 minutes
Take 61994 The Great Marquess from Minehead to Bishops Lydeard on the 16:20 service.
Riviera Line in The Fifties

K4 – Loco Exchange
Duration: 50 minutes
What if the LNER had sent a K4 to the south-west in the BR Loco Exchanges... In this scenario we find out, as a K4 works through Devon with a semi-fast passenger service!

K4 – Taking The Strain
Duration: 45 minutes
Haul a heavy freight from Newton Abbot to Exeter, as an LNER K4 shows the Western Region just what they're capable of!


The LNER K4 Advanced is Quick Drive enabled.

System Requirements:

  • Train Simulator 2022 / Train Simulator Classic

    Note: Some of the included scenarios require the European Loco & Asset Pack and routes which are not included with this LNER K4 Advanced add-on (available to purchase from STEAM or Just Trains).
  • 3.0GHz PC or any Dual Core
  • 2GB RAM
  • 1GB graphics card
  • Windows 10 / 8 / 7
  • Direct X 9.0c compatible sound card
  • 1.7GB hard drive space
In Stock
Earn up to 80 points.

LNER K4 Advanced Drive Sir Nigel Gresley's wonderful 2-6-0 steam loco's in the days of the LNER and BR as well as a selection of models of 3442 'The Great Marquess' from her entry into preservation in the 1960s right up to the present day.

This collection features numerous Advanced features, six types of upgraded Just Trains Mk.1 coaches, a custom set of MatrixTrains' LNER Gresley Teak coaches and 17 scenarios with a driving time of around 22 hours.

Download size: 556MB

In Stock
Earn up to 80 points.