| Variant | as built | new boiler |
|---|
| General |
| Built | 1857-1872 |
| Manufacturer | Esslingen |
| Axle config | 0-4-4T (Engerth) |
| Gauge | 4 ft 8 1/2 in (Standard gauge) |
| Dimensions and Weights |
| Length | 32 ft 8 1/8 in |
| Rigid wheelbase | 7 ft 4 9/16 in |
| Empty weight | 60,627 lbs | 63,934 lbs |
| Service weight | 84,878 lbs | 84,216 lbs |
| Adhesive weight | 47,399 lbs | 48,502 lbs |
| Axle load | 23,810 lbs | 24,251 lbs |
| Water capacity | 1,083 us gal |
| Fuel capacity | 4,409 lbs (coal) |
| Boiler |
| Grate area | 8.6 sq ft | 10.8 sq ft |
| Firebox area | 62.4 sq ft | 70 sq ft |
| Tube heating area | 881.6 sq ft | 849.3 sq ft |
| Evaporative heating area | 944 sq ft | 919.2 sq ft |
| Total heating area | 944 sq ft | 919.2 sq ft |
| Power Plant |
| Driver diameter | 60 in |
| Boiler pressure | 130 psi | 145 psi |
| Expansion type | simple |
| Cylinders | two, 14 3/16 x 22 1/16 in |
| Power |
| Power source | steam |
| Estimated power | 161 hp (120 kW) | 201 hp (150 kW) |
| Optimal speed | 13 mph | 14 mph |
| Starting effort | 8,197 lbf | 9,108 lbf |
| Calculated Values |
| Factor of adhesion | 1 : 5.78 | 1 : 5.33 |
| Power-to-weight ratio | 0.0019 hp/lb | 0.0024 hp/lb |
| Heating Area Equivalent | 1,256.1 sq ft | 1,269.1 sq ft |
| Cylinder volume/HAE | 1 : 978.63 | 1 : 968.67 |
| Adhesive weight/Total | 1 : 1.79 | 1 : 1.74 |
| Tractive force/Heating area | 1 : 1952.09 | 1 : 2227.45 |
| Grate area/Heating area | 1 : 102.38 | 1 : 78.90 |
| Firebox/Tube area | 1 : 14.12 | 1 : 12.14 |