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Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-8-0+0-8-4 is a Garratt articulated locomotive. The wheel arrangement is effectively two 4-8-0 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a leading bogie, followed by four coupled pairs of driving wheels and no trailing wheels. A similar wheel arrangement exists for the Union Pacific Big Boy, but is referred to as 4-8-8-4 since only the front engine unit swivels.
Overview
The 4-8-0+0-8-4 was the fifth rarest Garratt wheel arrangement, with a total of 26 locomotives constructed.
Usage
All the 4-8-0+0-8-4 Garratts were built by Beyer, Peacock & Company for the 5 ft 6 in (1,676 mm) gauge Bengal Nagpur Railway in India. The first 16 were designated Class N and were delivered in 1929, while 10 more arrived in 1931 and were designated class NM. The locomotives had Belpaire fireboxes and piston valves. [1]
Two of the type survive, both of Class N. No. 811 is staged at Kharagpur Workshop, while no. 815 is on display at the National Rail Museum, New Delhi. [2]
| Gauge | Railway | Class | Works no. | Units | Year | Builder |
|---|---|---|---|---|---|---|
| 5 ft 6 in | Bengal Nagpur Railway, India | N | 6583–6598 | 16 | 1929 | Beyer, Peacock & Company |
| 5 ft 6 in | Bengal Nagpur Railway, India | NM | 6705–6714 | 10 | 1931 | Beyer, Peacock & Company |
References
- ^ a b Hamilton, Gavin N., The Garratt Locomotive - Garratt Locomotives produced by Beyer, Peacock, retrieved 10 November 2012
- ^ Hamilton, Gavin N., The Garratt Locomotive - Surviving Garratt Locomotives, retrieved 10 November 2012.
- ^ Hamilton, Gavin N., The Garratt Locomotive - Garratt Locomotives from Other Builders, retrieved 10 November 2012
External links
Media related to
4-8-0+0-8-4 locomotives at Wikimedia Commons
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Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-8-0+0-8-4 is a Garratt articulated locomotive. The wheel arrangement is effectively two 4-8-0 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a leading bogie, followed by four coupled pairs of driving wheels and no trailing wheels. A similar wheel arrangement exists for the Union Pacific Big Boy, but is referred to as 4-8-8-4 since only the front engine unit swivels.
Overview
The 4-8-0+0-8-4 was the fifth rarest Garratt wheel arrangement, with a total of 26 locomotives constructed.
Usage
All the 4-8-0+0-8-4 Garratts were built by Beyer, Peacock & Company for the 5 ft 6 in (1,676 mm) gauge Bengal Nagpur Railway in India. The first 16 were designated Class N and were delivered in 1929, while 10 more arrived in 1931 and were designated class NM. The locomotives had Belpaire fireboxes and piston valves. [1]
Two of the type survive, both of Class N. No. 811 is staged at Kharagpur Workshop, while no. 815 is on display at the National Rail Museum, New Delhi. [2]
| Gauge | Railway | Class | Works no. | Units | Year | Builder |
|---|---|---|---|---|---|---|
| 5 ft 6 in | Bengal Nagpur Railway, India | N | 6583–6598 | 16 | 1929 | Beyer, Peacock & Company |
| 5 ft 6 in | Bengal Nagpur Railway, India | NM | 6705–6714 | 10 | 1931 | Beyer, Peacock & Company |
References
- ^ a b Hamilton, Gavin N., The Garratt Locomotive - Garratt Locomotives produced by Beyer, Peacock, retrieved 10 November 2012
- ^ Hamilton, Gavin N., The Garratt Locomotive - Surviving Garratt Locomotives, retrieved 10 November 2012.
- ^ Hamilton, Gavin N., The Garratt Locomotive - Garratt Locomotives from Other Builders, retrieved 10 November 2012
External links
Media related to
4-8-0+0-8-4 locomotives at Wikimedia Commons