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German Reichsbahn class 86
The class 86 standard locomotives were tank locomotives with a 2-8-2T wheel arrangement, which were developed for heavy service on branch lines. Starting in 1928, they were built a total of 775 times over a period of ...
| German Reichsbahn class 86Remove | |
|---|---|
| Variant | 86 001-335 |
| Built | 1928-1943 |
| Manufacturers | MBG Karlsruhe;Linke-Hofmann;Schichau;Krupp;Esslingen;Borsig;Henschel;BMAG;O&K;LOFAG (Floridsdorf);DWM Posen |
| Wheel arrangement | 1D1 t |
| Gauge | 1435 mm |
| Length | 13920 mm |
| Service mass | 88500 kg |
| Top speed | 70 km/h |
| Power | |
| Engine |
General
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Built | 1928-1943 |
| Manufacturers | MBG Karlsruhe, Linke-Hofmann, Schichau, Krupp, Esslingen, Borsig, Henschel, BMAG, O&K, LOFAG (Floridsdorf), DWM Posen |
| Wheel arrangement | 2-8-2T (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Length | 13.92 m |
| Wheelbase | 10.30 m |
| Empty mass | 70 t |
| Service mass | 88.5 t |
| Adhesion mass | 60.6 t |
| Rigid wheelbase | 5.10 m |
| Axle load | 15.2 t |
| Water capacity | 9,000 l |
| Fuel capacity | 4 t (coal) |
Boiler
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Grate area | 2.39 m² |
| Firebox surface | 10 m² |
| Tube heating surface | 107.37 m² |
| Evaporative heating surface | 117.37 m² |
| Superheater surface | 47 m² |
| Total heating surface | 164.4 m² |
Power plant
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Driver diameter | 1,400 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | two, 570 x 660 mm |
Power
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Power source | steam |
| Indicated power | 758 kW (1,031 PS) |
| Top speed | 70 km/h |
| Starting effort | 182.3 kN |
Calculated values
| Property | German Reichsbahn class 8686 001-335 |
|---|---|
| Factor of adhesion | 1 : 3.26 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.6 kW/t |
| Heating Surface Equivalent | 261.4 m² |
| Cylinder volume/HSE | 1 : 1,288.72 |
| Adhesive weight/Total | 1 : 1.46 |
| Tractive force/Heating surface | 1 : 23.16 |
| Grate area/Heating surface | 1 : 68.77 |
| Firebox/Tube surface | 1 : 10.74 |
| Total/Superheater | 1 : 2.50 |
