Diesel Locomotives


Diesel Locomotives

 

Tr81 – Drewrey Car Co. Built in 1939.

Tr81

History

This shunting tractor was built under a contract from the Drewery Car Company to fulfil an order placed by the Ohai Railway Board for its Western Southland line.

In its original 1939 configuration, its 107 hp 6LW Gardner Engine and 4 speed epicyclic gearbox gave it a cruising speed of 20 miles an hour, brisk enough for mining trains operating over the line. In it’s original green livery, it carried the entwined ORB insignia on the side of the cab and featured narrow lining-out, cream in colour, on the engine hood.

In 1955, it joined its Drewery counterparts in the ranks of the New Zealand Government Railways’ TR class, having been used as a part-exchange for a larger steam locomotive that was more suited to the Railway Board’s needs. Before entering NZR service, it lost its train brake and distinctive livery, receiving a smaller compressor for operating the straight air brakes, and a red paint scheme.

The original Gardner 6LW engine and associated gearbox were finally replaced after numerous problems in the late 1960’s by a Detroit 4-71 diesel motor with Allison Torque Converter and Bramley and Bostock final drive.

It finally retired in 1988, carrying a number of battle scars and wearing a faded “fruit salad” livery. It had received the TMS number of 309, one figure appearing on each of the battered engine covers.

The tractor had served stations such as Ranfurly, Cromwell, Winton, Palmerston, Kurrow and lastly Edendale in its long and faithful service to the Crown.

Its retirement came about as a result of an enquiry from the Otago Railway and Locomotive Society as to its availability. It had been serviced at the Dunedin Locomotive Depot and was in transit to Edendale for another tour of duty when the decision was made to return it to Dunedin for disposal. After cleaning and testing, it was accepted and transported to the society’s Ocean Beach Railway, brushing past a couple of telephone wires on the way.

Restoration

After complementing Ds 203 as a shunt locomotive for several years, and hauling occasional passenger trains (after the reinstatement of continuous braking provisions), performance began to fade in a number of critical areas. This was a result of time and wear catching up with the veteran, and changing operational standards.

With generous support from the Dunedin City Council – Community Initiatives fund, the Pacific Development Trust, and the Alexander Macmillan Trust, work commenced on returning the battered shunting tractor to its original condition. This work built on earlier repairs and maintenance performed at the St Kilda site.

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Ds203 – Drewery Car Co. Built in 1954.

Ds203

Ds203 was built by the Drewery Car Company in 1954 and delivered to the New Zealand Government Railways the following year. It served at Lyttleton and Westport as its light axle-loading made it suitable for use on wharves.

The locomotive is powered by a Gardner 8L3 that delivers 204hp at 1200 rpm. It is driven through a fluid coupling and a Wilson 5 speed Epicyclic Gearbox attached to a marine type final drive. It was purchased in 1983 and transported from Christchurch. It required a full repaint and extensive electrical repairs but has proven to be a good investment. It hauls passenger services when a steam locomotive isn’t available or passenger demand is low, and assists with shunting and work trains. Locomotives similar to DS 203 continue to perform excellent work for industries in New Zealand and in the other countries that this type were shipped to.

This locomotive is currently under restoration in the St. Kilda Workshop.

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DSA 252 – Hunslet – Built in 1955

DSA252

Information about this locomotive is still being constructed.

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DSA 256 – Hunslet

DSA256

Information about this locomotive is still being constructed.

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Price 185 – A&G Price

Price185

Information about this locomotive is still being constructed.

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Trallis Tractor – A & T Burt

Image coming soon

Information about this locomotive is still being constructed.

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