No 17 HARTFIELD  
  Hartfield is a larger version of Jason but with a higher boiler pressure. The name is derived from the stories of Winnie the Pooh, Hartfield being the village in Sussex where these stories are set. Red livery based on Midland Railway
 

Year built 1999 Builder Martin Colbourn Engine No 17 Colour Red
Dimensions Length 91 ins  Width 27 ins Height 47 ins    
Grate area 91 sq.'s No of tubes -- 0.75 ins diameter 19 1.0 ins diameter  
Wheel arrangement 2-4-4T Wheel diameters Leading 6 ins Driving 8.5 ins   Trailing 6 ins
Coal capacity 112 lbs Water capacity 12 gallons    
Boiler Diameter 12.75ins Boiler pressure 130 lbs sq.'s    
Valve gear Walschaerts Cylinders bore 3.5 ins Stroke 4.25 ins   Tractive effort 667 lb.'s