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Mini/Midi Postmaster Post Driver

I had a local shop remove the couplers from the ends of the hydraulic hoses on the post driver, and replace them with ones that match up with those on the Bobcat. I used it to drive in about 160 posts today, with the help of my son and son-in-law. We were driving 8’ 4” posts, 2’ into the ground, which was quite soft due to all the rain we’ve been having. Despite that it still worked great.

~Fred Bassette

 

Mini/Midi Postmaster Post Driver

This unit is designed for use on small excavators with a standard double acting circuit and can withstand back pressure up to 30BAR.

The Mini-Postmaster fits directly to the bucket pins and only requires 2 hoses for operation. These hoses fit the standard couplers. The unit has a hydraulic post clamp, this allows the post to be clamped for installation and/or withdrawal. The jaws can be opened and closed by applying forward or reverse flow.

For extra accuracy, it can also be mast mounted on 2.5T – 3T excavators. The MPM series vibrators represent the use of the latest manufacturing techniques to produce affordable machines for smaller-scale users.

The advantage of vibrating the posts into the ground with the Mini Postmaster offers a quicker and more accurate solution than the use of a falling weight. A pilot hole will allow larger posts to be driven, e.g. gateposts, and smaller posts can be driven in rocky soils. The posts are able to take full load immediately and there is the added benefit that they can be quickly removed if necessary.

    • Twin shaft, post driving vibrator for 1.5 – 3 tonne mini diggers and small skid steer loaders
    • Quieter
    • Safer in operation
    • Improved accuracy
    • Posts can be extracted and/or repositioned
    • Fully enclosed transmission – shaft and gears are fully covered.
  • INTERFACE: Hydraulic Post Clamp
  • HYDRAULIC REQUIREMENTS: 1 double acting service 30-45 l/min @200

 

Machine:                          Mini                    Midi

Weight:                           395                     430lbs.

Downforce:                     11,250lbs.            13,500lbs.

Hertz:                             50 HPS                50 HPS

Post Size:                       Up to 6”               Up to 8”

 Machine Size:                1.5-3 ton              2.5-5 ton

Optimal Flow Rate:        6 – 9.25 GPM         9.25 – 12 GPM

Pressure:                       200/ 2,900 Bar       200/ 2,900 Bar

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