| ITEM |
Imperial |
Metric |
| Wheel Arrangement |
4-6-2 |
2-3-1 |
| Length over buffers (including tender) |
72′ 11 3/4″ |
22.22 m |
| Maximum Height |
13′ 1″ |
3.99 m |
| Maximum Width (over cab side screens) |
9′ 2 7/8″ |
2.82 m |
| Total locomtive and tender weight (full) |
166 tons 2 cwt |
168.8 tonnes |
| Weight of locomotive only (full) |
105 tons 4 cwt |
106.9 tonnes |
| Adhesive weight (full boiler) |
66 tons 11 cwt |
67.7 tonnes |
| Maximum axle load |
22 tons 7 cwt |
22.7 tonnes |
| Boiler pressure (maximum) |
250 lb/sq in |
17.25 Bar |
| Nominal tractive effort @ 85% boiler pressure |
37,397 lb |
166.38 kN |
| Maximum speed |
100 mph |
160 km/hr |
| Diameter of driving wheels |
6′ 8″ |
2.03 m |
| Diameter of bogie wheels |
3′ 2″ |
0.97 m |
| Diameter of trailing carrying wheels |
3′ 8″ |
1.12 m |
| Cylinders |
3 |
3 |
| Piston stroke |
26″ |
0.66 m |
| Piston diameter |
19″ |
0.48 m |
| Valves |
Inside admission piston type |
. |
| Valve diameter |
10″ |
0.25 m |
| Valve gear |
Walschaerts (3 sets) |
. |
| Exhaust system |
Double choke Kylala Chapelon (Kylchap) |
. |
| Axle bearings |
Timken taper roller throughout |
. |
| BOILER |
. |
. |
| Type |
Diagram 118 |
. |
| Maximum diameter |
6′ 5″ |
1.96 m |
| Overall length |
29′ 2″ |
8.89 m |
| Distance between tube plates |
16′ 11 5/8″ |
5.17 m |
| Heating surface (firebox) |
245.30 sq ft |
22.79 m2 |
| Heating surface (small tubes) |
1211.57 sq ft |
112.56 m2 |
| Heating surface (superheater flue tubes) |
1004.50 sq ft |
93.32 m2 |
| Total evaporative heating surfaces |
2461.37 sq ft |
228.67 m2 |
| Superheater heating surface |
697.67 sq ft |
64.14 m2 |
| Grand total heating surface |
3141.04 sq ft |
291.81 m2 |
| Firebox |
Wide (Wooton) type with combustion chamber |
. |
| Grate area |
50 sq ft |
4.65 m2 |
| Grate type |
Rocking with hopper ashpan |
. |
| Small tubes |
121 x 2 1/4″ D |
57.2 mm D |
| Superheater flues |
43 x 5 1/4″ D |
133,4 mm D |
| Superheater elements |
43 x 4 pass elements |
. |
| TENDER |
. |
. |
| Coal capacity |
9 tons |
9.14 tonnes |
| Water capacity |
5,000 gallons |
22700 litres |
| Weight (full) |
60 tons 18 cwt |
61.87 tonnes |
| Wheel arrangement |
8 wheels rigid frame |
. |
| Wheel diameter |
4′ 2″ |
1.27 m |
Data courtesy Locomotives of the LNER Part 2A, published by the RCTS, 1986
Locomotives 60153-7 were fitted by Timken roller bearings and were hence slightly heavier. These had a total weight of 155 tons 2 cwt, and maximum axle load of 22 tons 7cwt.
Tornado carries 7.5 tons of coal and has a water capacity of 6,200 gallons.