| 41. | To obtain increased tractive effort with the large coupled wheels, larger cylinders of bore by stroke were used.
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| 42. | Soft grease lubrication was used for the motion, while the coupled wheel axle boxes were hard grease lubricated.
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| 43. | These locomotives were the first in South Africa to be equipped with compensated spring gear on all coupled wheels.
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| 44. | Despite the relatively small diameter coupled wheels, a speed of was reached with the same load on level track.
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| 45. | These straight frames were less prone to fracturing, because of the greater depth of plate between the coupled wheels.
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| 46. | This problem was alleviated to a great extent by ensuring the diameter of all coupled wheels was very closely matched.
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| 47. | The eccentrics were fitted to the trailing coupled wheel axle, which resulted in exceptionally long valve connecting rods of.
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| 48. | The coupled wheels were diameter, and the other principal dimensions were : cylinders diameter by stroke; coupled wheelbase.
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| 49. | The arcs of the leading and trailing radial axle boxes were struck from a centre midway between the coupled wheels.
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| 50. | It had coupled wheels with a 1, 640 mm diameter and was therefore regarded as a multi-purpose locomotive.
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