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MECHANICAL TRACK JACKS
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Screw Jack have been manufacturing track jacks for over 70 years for track lifting, surfacing, lining and many other maintenance procedures. Track jacks are designed to operate safely with a minimum amount of handle effort. The quick “trip” mechanism allow the jacks to be instantly tripped while under load.
Warning: These jacks are intended for use only in railway track maintenance. They should never be used for general purpose lifting.
Duff-Norton
The “Duff-Norton” 117a and 117, offer the user jacks in strong light-weight aluminium or rugged cast iron.
Features
The A5, A8 and A17 are also manufactured of lightweight aluminium.
Features
Model |
Rated Load |
Height |
Stroke |
Toe min |
Weight |
117 |
15 |
559 |
305 |
51 |
30 |
117A |
7.5 |
559 |
305 |
51 |
21 |
A5 |
15 |
279 |
133 |
51 |
14 |
A8 |
15 |
397 |
197 |
51 |
17 |
A17 |
15 |
575 |
330 |
51 |
23 |