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Italian State Railway class 835
The class 835 was the standard steam shunter used by the Italian State Railways from 1906 for many decades. They were based on the classes 829 and 830 which originated in the Rete Mediterranea. The class 835 still had...
| Italian State Railway class 835Remove | |
|---|---|
| Variant | Standard |
| Built | 1906-1922 |
| Manufacturers | Ansaldo;Breda;Reggiane;Officine Meccaniche |
| Wheel arrangement | C t |
| Gauge | 1435 mm |
| Length | 9160 mm |
| Service mass | 45300 kg |
| Top speed | 55 km/h |
| Power | |
| Engine |
General
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Built | 1906-1922 |
| Manufacturers | Ansaldo, Breda, Reggiane, Officine Meccaniche |
| Wheel arrangement | 0-6-0ST (Six-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Length | 9.16 m |
| Wheelbase | 3.60 m |
| Empty mass | 40 t |
| Service mass | 45.3 t |
| Adhesion mass | 45.3 t |
| Rigid wheelbase | 3.60 m |
| Axle load | 15.1 t |
| Water capacity | 5,000 l |
| Fuel capacity | 1.5 t (coal) |
Boiler
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Grate area | 1.48 m² |
| Firebox surface | 6.96 m² |
| Tube heating surface | 71.29 m² |
| Evaporative heating surface | 78.25 m² |
| Total heating surface | 78.3 m² |
Power plant
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Driver diameter | 1,310 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 580 mm |
Power
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 272 kW (370 PS) |
| Top speed | 55 km/h |
| Starting effort | 79.7 kN |
Calculated values
| Property | Italian State Railway class 835 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.58 |
| Optimal speed | 21 km/h |
| Power-to-weight ratio | 6.0 kW/t |
| Heating Surface Equivalent | 113.1 m² |
| Cylinder volume/HSE | 1 : 1,421.59 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 21.26 |
| Grate area/Heating surface | 1 : 52.87 |
| Firebox/Tube surface | 1 : 10.24 |
