Hammer SM40 Post Driver
Hammer SM40 Post Driver
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Hammer SM40 Post Driver

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Drives fence posts, signposts, guard rails, median dividers, tent stakes, T-posts, pipe fence, and railroad ties with ease. With this innovative design, you can achieve a full stroke with every cycle or utilize the short stroke feature to fine tune your depth. The Hammer DOES NOT operate with springs, hydraulic cylinder, or return line. A tilt and grapple option can be added to any model for a true one-person operation (does not include t-posts). This option would allow the operator to grab the post off the ground, load it into the machine, and drive it in the ground without leaving the seat.


  • Models available for Skid-Steer, Front-End loader, and Euro/Global
  • Drives anything from T-Post up to railway ties
  • 82,000 lbs per stroke impact force
  • 40” stroke with 300 lb hammer weight at 35 strokes per minute
  • Optional tilt bracket allows for 20° adjustments left or right
  • Requires 12 - 30 GPM

Overall Length


Overall Width


Overall Height


Tilt (side-side)


Machine Weight

915 lbs (1,115 lbs w/ additional weight)

Hammer Weight

300 LBS (500 LBS MAX)

Length of Stroke


Max. Strokes per Minute


Hydraulic Requirements

1500-3000 PSI
*12-30 GPM

Maximum Post Width

8.5" x 9.25"

Impact Force

82,000 lbs @ 500 lb weight

Impact Energy

1,025 ft-lbs @300 lb weight;
1,709 ft-lbs @ 500 lb weight

*Hammer will still operate on machines with less than 12 GPM
with fewer strokes per minute.

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