Compare locomotives
Add a locomotive
New York Central classes J-1 to J-3 “Hudson”
The New York Central operated a number of major express trains from New York City, which ran at high speeds mostly in the lowlands and enjoyed increasing popularity. These were primarily the “20th Century Limited” to ...
General
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Built | 1937-1938 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Length | 29.63 m |
| Wheelbase | 12.29 m |
| Rigid wheelbase | 4.27 m |
| Service weight | 165.8 t |
| Adhesive weight | 91.5 t |
| Axle load | 30.5 t |
| Total weight | 356.3 t |
| Water capacity | 68,137 l |
| Fuel capacity | 41.7 t (coal) |
Boiler
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Grate area | 7.618 m² |
| Firebox surface | 33.445 m² |
| Tube heating surface | 355.54 m² |
| Evaporative heating surface | 388.985 m² |
| Superheater surface | 162.116 m² |
| Total heating surface | 551.1 m² |
Power plant
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Driver diameter | 2,007 mm |
| Boiler pressure | 18.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 572 x 737 mm |
Power
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Power source | steam |
| Indicated power | 3,557 kW (4,836 PS) |
| Top speed | 177 km/h |
| Starting effort | 186.2 kN |
| Starting effort booster | 53.823 kN |
Calculated values
| Property | New York Central classes J-1 to J-3 “Hudson” J-3a streamlined |
|---|---|
| Factor of adhesion | 1 : 4.82 |
| Optimal speed | 117 km/h |
| Power-to-weight ratio | 21.5 kW/t |
| Heating Surface Equivalent | 880.4 m² |
| Cylinder volume/HSE | 1 : 429.22 |
| Adhesive weight/Total | 1 : 1.81 |
| Tractive force/Heating surface | 1 : 7.06 |
| Grate area/Heating surface | 1 : 72.34 |
| Firebox/Tube surface | 1 : 10.63 |
| Total/Superheater | 1 : 2.40 |
