For more than 30 years, the legendary TM-48 Belltec Digger has been the trusted choice for tractor owners needing to dig post holes with speed and precision.

The TM-48 securely mounts to any three-point tractor with over 28 horsepower. The unique system turns your tractor into a high-performance drilling rig—capable of drilling straight, accurate holes up to 60” deep with a single auger, even through tough materials like solid rock and concrete.

TM-48 models are compatible with category 1, 2, and 3 hitch systems.

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TM48 Specs & Compare
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TM48 Features & Benefits
  • Purpose: The TM48 is a hydraulic threepoint post hole digger / auger drive designed to convert a tractor’s threepoint hitch into a hole drilling machine capable of drilling straight holes up to ~60″ deep, including in tough conditions like solid rock or concrete when used with the proper augers.
  • Mount Type: Threepoint tractor hitch mount — available in Category 1, Category 2, and Category 3 configurations (with optional leveling models) for mounting on tractors with compatible threepoint systems.
  • Compatibility: Intended for use on threepoint tractors with at least two remote hydraulic valves and minimum ~28 hp–50 hp, depending on application; connects to the tractor’s hydraulics for down pressure and uses the tractor PTO to power the auger drive.
  • Drive & Hydraulics:
    – Hydraulic down pressure system with twin cylinders for controlled feed and hole depth.
    – Hydraulic circuitry includes a relief valve adjustable for down pressure to match conditions.
    – Uses tractor PTO to drive the heavyduty auger gearbox with automatic torque limiter for overload protection.
  • Drilling Capabilities:
    – Designed to drill holes up to ~60″ deep on a single auger.
    – Capable of drilling in varied ground conditions including solid rock and concrete with appropriate auger tooling.
  • Weight: 1,100 lbs
  • Leveling Options: Available standard (flat) model or models with hydraulic leveling cylinders to keep auger vertical on slopes during drilling.
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