Model 400-512 digger head, post hole digger for tractors 45 to 75 hp with either category 1 or 2 three point hitches.
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400-512 Tractor Mounted Post Hole Digger

Price: $1,772.00
  • Item #: 400-512
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Price on this item DOES NOT include shipping; shipping added at checkout and is calculated from shipping weight from all items, and is for shipping to locations with normal delivery access in the continental U.S. 48 states; locations in Alaska, Hawaii, and outside the U.S. require additional shipping cost, e-mail us for a shipping quote if needed. There will be a minimum shipping amount charged at checkout (check homepage for current amount).

For Truck shipments, you must be able to unload the items at the delivery point (lift gate service is extra, please order if needed). Delivery pickup at the terminal can also be requested.

*We have a credit card sales limit of $1500.00 or less. All orders over $1500.00 should be paid for by personal, business, or cashier's check or postal money order only.

All items paid for by credit card and shipped by UPS are sent signature required. If no one will be at the location for delivery, then payment should be by check, so the package can be delivered without a signature.


Model 400-512 tractor mounted, pto powered post hole digger for tractors 45 hp up to 75 hp. Requires 540 rpm pto.  Mounts on either category 1 or 2 three point hitches.

Click Here For Video On Mole PTO Earth Augers


  • Heavy duty boom and yoke for extra strength and long lasting service

  • Choice of 6, 9, 12, 18, 24, and 30 inches for the 400 series digger

  • Individually replaceable knives and point

  • Fully welded flighting

  • Reinforced mounted collar on all augers

  • Safety shielding around auger and pto

  • 2 inch output shaft on gearboxes