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Mechanical track jacks
Power Jacks 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, 117 and 517-AD,
offer the user jacks in strong light-weight aluminium
or rugged cast iron.
Features
• Spring loaded pawls ensure teeth to rack
engagement
• The jacks come complete with round socket to
accommodate light-weight wooden lever bar. (117a and
117)
• Easy to carry “loop” handle
The A5, A8 and A17 are also manufactured of lightweight
aluminium.
Features
• Square sockets designed for use with
standard railway lining bars.
• Large 3 1 / 4 ” wide grooved toe for stable
jacking
• Rust proof tension spring which maintains full
pawl engagement
Model
No |
Rated
Load
(tons) |
Height
(mm) |
Stroke
(mm) |
Toe min
height
(mm) |
Weight
(kg) |
517-AD |
15 |
292 |
127 |
51 |
15 |
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 |
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