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Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875
The MZA operated a total of 105 4-6-0 locomotives for express service which had been built between 1901 and 1911 by German companies. These were four-cylinder compounds with outside high pressure cylinders behind the ...
General
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Built | 1901, 1903 |
| Manufacturers | Henschel, Hanomag |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,668 mm (Iberian broad gauge) |
Dimensions and weights
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Length | 17.62 m |
| Wheelbase | 7.60 m |
| Rigid wheelbase | 4.00 m |
| Total wheelbase | 14.66 m |
| Empty weight | 55.5 t |
| Service weight | 61.1 t |
| Adhesive weight | 42.9 t |
| Axle load | 14.4 t |
| Total weight | 103.5 t |
| Water capacity | 17,000 l |
| Fuel capacity | 4 t (coal) |
Boiler
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Grate area | 2.74 m² |
| Firebox surface | 11.5 m² |
| Tube heating surface | 113.5 m² |
| Evaporative heating surface | 125 m² |
| Total heating surface | 125.0 m² |
Power plant
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 350 x 650 mm and LP: 550 x 650 mm |
Power
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Power source | steam |
| Indicated power | 766 kW (1,041 PS) |
| Top speed | 115 km/h |
| Starting effort | 77.1 kN |
| Starting effort simple | 92.5 kN |
Calculated values
| Property | Madrid-Zaragoza & Alicante No. 651 to 680 and 801 to 875 651-680 |
|---|---|
| Factor of adhesion | 1 : 4.54 |
| Optimal speed | 61 km/h |
| Power-to-weight ratio | 12.5 kW/t |
| Heating Surface Equivalent | 182.5 m² |
| Cylinder volume/HSE | 1 : 1,531.53 |
| Adhesive weight/Total | 1 : 1.43 |
| Tractive force/Heating surface | 1 : 15.45 |
| Grate area/Heating surface | 1 : 45.62 |
| Firebox/Tube surface | 1 : 9.87 |
