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Santa Fe class 3460
The Santa Fe class 3460 consisted of six 4-6-4 “Hudsons” which were delivered by Baldwin in 1937. They were much more powerful than the class 3450 delivered in 1927 and were called “Super Hudsons”. The class leader No...
| Santa Fe class 3460Remove | |
|---|---|
| Variant | |
| Built | 1937 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2C2 |
| Gauge | 1435 mm |
| Length | 34315 mm |
| Service mass | 187030 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Santa Fe class 3460Remove |
|---|---|
| Built | 1937 |
| Manufacturers | Baldwin |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Santa Fe class 3460Remove |
|---|---|
| Length | 34.32 m |
| Length loco | 16.55 m |
| Wheelbase | 12.54 m |
| Total wheelbase | 27.03 m |
| Service mass | 187 t |
| Adhesion mass | 96.8 t |
| Total mass | 366.8 t |
| Rigid wheelbase | 4.42 m |
| Axle load | 32.5 t |
| Water capacity | 75,708 l |
| Fuel capacity | 26,498 l (oil) |
Boiler
| Property | Santa Fe class 3460Remove |
|---|---|
| Grate area | 9.151 m² |
| Firebox surface | 34.839 m² |
| Tube heating surface | 408.309 m² |
| Evaporative heating surface | 443.148 m² |
| Superheater surface | 193.239 m² |
| Total heating surface | 636.4 m² |
Power plant
| Property | Santa Fe class 3460Remove |
|---|---|
| Driver diameter | 2,134 mm |
| Boiler pressure | 20.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 597 x 737 mm |
Power
| Property | Santa Fe class 3460Remove |
|---|---|
| Power source | steam |
| Estimated power | 3,952 kW (5,373 PS) |
| Starting effort | 216.3 kN |
Calculated values
| Property | Santa Fe class 3460Remove |
|---|---|
| Factor of adhesion | 1 : 4.39 |
| Optimal speed | 111 km/h |
| Power-to-weight ratio | 21.1 kW/t |
| Heating Surface Equivalent | 1,003.8 m² |
| Cylinder volume/HSE | 1 : 410.68 |
| Adhesive weight/Total | 1 : 1.93 |
| Tractive force/Heating surface | 1 : 7.10 |
| Grate area/Heating surface | 1 : 69.54 |
| Firebox/Tube surface | 1 : 11.72 |
| Total/Superheater | 1 : 2.29 |
