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| CA 78 | CA 79 |
The "CA" where all ex "New York, New Haven and Hartford Railway", USA, obtained through the agency of the Lease-Lend organisation during WWII. They had originally been built by Baldwin Locomotive Works, and locally known as CA78 and 79. On the New York, New Haven and Hartford Railroad, U.S.A. where they had been known as the G-4a class. Whilst similar in appearance to CN 70 to 77 they differed in valve gear, with CA78 having Southern and CA79 Baker valve gear.
The driving position of both was on the right side of the cab.
As traffic slackened towards the end of the war various CN and CA class locomotives were withdrawn and eventually written off.
| Class: | CA | |
| Builder: | Baldwin Locomotive Works, Philadelphia USA. | |
| Introduced: | 1943 | |
| Number in Class: | 2 | |
| Wheel Arrangement: | 4-6-0 | |
| Driving Wheel Diameter: | 6 ft. 1 in. | |
| Cylinders: | Number: | 2 |
| - | Position on frame: | Outside |
| - | Diameter x stroke: | 22 in. x 26 in. |
| Valve Gear: | #78: Southern; #79: Baker | |
| Heating Surface: | Tubes: | 1298 square feet. |
| - | Superheater: | 400 square feet. |
| - | Firebox: | 168 square feet |
| - | Syphon: | 29 square feet |
| - | Flues: | 434 square feet |
| - | Grate Area: | 34.6 square feet |
| Boiler Pressure: | 190 lbs p.s.i. | |
| Tractive Effort: | 27,840 lbs | |
| Coal Capacity: | 9 tons | |
| Water Capacity: | 5,000 gallons | |
| Weight in Working Order: | 131 tons 12 cwt 3 qts | |
| Maximum Axle Load: | 20 tons 4 cwt 1 qts | |
| Overall Length | 62 ft. 4 in. | |
Steam locomotive with 4-6-0 wheel arrangement, ex "New York, New Haven and Hartford Railway", USA, obtained through the agency of the Lease-Lend organisation during WWII.
| 1907 | Entered service on the New York, New Haven and Hartford Railway as G4a class No,846. Built by Baldwin Locomotive Works, Philadelphia USA, builder No.30309. |
| 6.8.1943 | Entered service on the Commonwealth Railways. |
| 11.1945 | Written off. |
| 1956 | Scrapped. |
Steam locomotive with 4-6-0 wheel arrangement, ex "New York, New Haven and Hartford Railway", USA, obtained through the agency of the Lease-Lend organisation during WWII.
| 1907 | Entered service on the New York, New Haven and Hartford Railway as G4a class No,820. Built by Baldwin Locomotive Works, Philadelphia USA, builder No.24986. |
| 19.8.1943 | Entered service on the Commonwealth Railways. |
| 5.1950 | Written off. |
| 1956 | Scrapped. |
