1. Amongst other things, it was given an additional leading axle . 2. Derailments were common when they were used as leading axles . 3. Unique leading axle Marzocchi front forks were used. 4. The rear axle was an inside-framed Bissel truck, pivoted ahead of the leading axle . 5. The K class design used a " Bissel bogie " leading axle and a plain trailing bogie. 6. The tank engines were rapidly converted to 4-4-0s after problems with the leading axle . 7. However early in 1957 its leading axle broke while it was hauling a mixed train on the branch. 8. The G 4 / 5 was a four coupled tender locomotive with a leading axle in a swivelling pony truck. 9. Many of the locomotives were fitted with a speedometer, which was attached to the engineer s side frontmost leading axle . 10. The state railway, goods train, tender locomotives with one leading axle and four coupled axles into "'Class 56 " '.