
Rope Shovels
Dipper Door Components
As experts in rope shovel dipper door and trip system technology, ZEMEK Engineering supplies a complete range of door components, along with handle bushes and saddle block wear plates to fit the world's most popular rope shovel systems, including P&H 4100A, 4100XPB/C, 2800 and CAT 7495. Zemek rope shovel dipper components provide:
- Proven cycle life compatible with major service intervals 9-10 months.
- Optimum system alignment and low friction materials, providing improved function and rope life.
- Reduced lubrication requirement.
- Improved safety with lighter parts and reduced hot work.
- Faster part replacement.
- Reduced operational costs.
As well as a full range of door components, Zemek offers service kits under a single material number for P&H 4100A, 4100XPB/C, 2800 and CAT 7495.
Read more about our Rope Shovel trip system in this blog post - Case Study.

Saddle block wear plates
- Use of WEARITE limits wear and reduces friction
- Function of mechanism improved
- Reduced machining and welding in shuts
- Little or no wear on handle
- Overall weight reduced
- Reduced cost compared to OEM steel or bronze plates

Pins and Bushes
Zemek offers the complete range of pins and bushes for the dipper, handle, bail arms and equalisers.
We also offer our innovative Wearite bushes in the door arms, equaliser and bail arm locations. Read more about the benefits of the Wearite bush here.
Contact ZEMEK to find out more
Contact ZEMEK to enquire about electric shovel refurbishment services and repairs. All shovel door repairs are carried out onsite, at our workshop in Mackay, North Queensland.
25 March 2025
Custom Rope Shovel Service PodZEMEK designed, built, and certified a custom Shovel Service pod at our client's request. The pod securely holds all necessary components for a rope shovel service day, ensuring they are easily accessible and securely strapped down. This design facilitates safe transportation and saves time during tight servicing schedules.We managed the entire process in-house, from design and quotation to fabrication. The design and welds were verified and certified by third par...
3 September 2024
Rubber Boom/House Buffer
Problems- Manual lift into place. Time consuming and unsafe.Difficult to change out as locating pins bend. Rubber material not durable. Solution Single Piece PolyurethaneSafely lifted by crane - lifting point provided. Reduced fitting time. More durable material = longer part life. Zemek Buffer after 5 years service ...
Problems- Manual lift into place. Time consuming and unsafe.Difficult to change out as locating pins bend. Rubber material not durable. Solution Single Piece PolyurethaneSafely lifted by crane - lifting point provided. Reduced fitting time. More durable material = longer part life. Zemek Buffer after 5 years service ...


