Tractor Post Hole Digger – Professional Fence and Foundation Work

If you dig post holes regularly, you already know the difference between equipment that just spins and equipment that actually gets the job done. The BEFCO MOLE post hole digger line is built for operators who need clean, consistent holes without burning through time, fuel, or patience. Whether you're setting fence posts on a ranch, planting trees on a commercial site, or running utilities across uneven terrain, this attachment is engineered to handle real-world conditions with the kind of reliability that keeps your schedule on track.

Forge Claw is proud to distribute the full BEFCO MOLE series nationwide, and we've seen firsthand how these diggers perform across a wide range of applications. From the compact 100-512 model rated for 15 to 25 HP tractors all the way up to the heavy-duty 400-512 that matches with machines up to 90 HP, there's a configuration here that fits your setup. All models operate at 540 rpm and are compatible with Category 1 and Category 2 three-point hitches, making them adaptable to most mid-sized tractors already in your fleet.

What sets the MOLE series apart is the engineering that goes into the parts you can't always see. The boom and yoke assemblies are built with heavy-duty construction and reinforced where it counts. Models 300-512 and 400-512 feature reinforced booms and yokes designed to absorb the stress of tough digging without flexing or failing. The gearboxes deliver constant torque at 540 rpm, so you're not losing power halfway through a hole or stalling out in clay and hardpan.

Every BEFCO MOLE model uses a driveline yoke with fully enclosed shear pin safety. This is a first in the industry and it matters more than you might think. Traditional exposed shear pins create a safety hazard and are prone to damage from debris and weather. BEFCO's enclosed design protects both the operator and the pin itself, reducing downtime and keeping your operation safer on every job.

Auger selection is another area where this system shines. You can choose from six different diameters: 6-inch, 9-inch, 12-inch, 18-inch, 24-inch, and 30-inch. Auger lengths are available in 36-inch and 48-inch options depending on the model and diameter. All augers from 9 inches and up feature heavy-duty fully welded double flighting, which moves material out of the hole faster and reduces the chance of binding or stalling mid-dig. Even the 6-inch augers are built with single welded flighting that's thicker and more durable than stamped alternatives.

The flighting thickness varies by auger size and is designed to match the load. Smaller augers use 3/16-inch flighting, while the 18-inch and 24-inch models step up to 1/4-inch, and the 30-inch heavy-duty auger is built with 5/16-inch flighting for maximum strength. Every auger comes standard with a fish-tail point, which helps the bit penetrate and stay centered even in rocky or root-filled soil. The knives and point are individually replaceable, so you're not replacing the entire auger when wear occurs.

Each auger also features a reinforced mounting collar that's fully welded to the flighting. This prevents the kind of collar slippage or cracking that can happen with bolt-on designs, especially under high torque or side load. It's a small detail that extends the working life of the auger and reduces the risk of failure in the middle of a job.

The MOLE series includes multiple output shaft configurations depending on the model. The 100-512 uses a 1 3/8-inch output shaft with a 5/8-inch adapter bushing, while the 200, 300, and 400 series models all use a 2-inch output shaft for greater torque transfer and compatibility with larger augers. All models include safety shielding around the auger and PTO to protect the operator and bystanders from rotating components.

For added versatility, BEFCO offers optional equipment that expands what the digger can do. The hydraulic downforce kit (Part #009915) allows you to apply controlled pressure from the tractor's hydraulic system, which is especially useful in compacted soil, caliche, or frozen ground. The hook-up stand (Part #009985) makes attachment and detachment easier, particularly when working solo. There's also an auger positioning handle (PHD003) that fits all MOLE models and gives you better control when guiding the auger into position.

This isn't equipment that tries to be everything for everyone. It's built for operators who understand the value of a well-made tool and need something that works the same way on day one as it does three seasons later. BEFCO manufactures the MOLE series with attention to the details that matter in the field, and Forge Claw backs every unit with fast nationwide shipping and the support you need to keep your operation moving.

Whether you're running a tree service, managing a large property, building fence lines, or handling site prep for new construction, the BEFCO MOLE post hole digger gives you the power and precision to get holes dug right the first time. It's the kind of attachment that earns its place on your three-point hitch and stays there.

• Model Range: 100-512, 200-512, 300-512, 400-512
• Horsepower Range: 15 HP to 90 HP (11 to 67 kW)
• Hitch Compatibility: Limited Category 1 (100-512), Category 1 (200-512), Category 1 & 2 (300-512, 400-512)
• Operating Speed: 540 rpm PTO
• Boom Outside Diameter: 2 7/8 inches (100-512), 3 1/2 inches standard (200-512), 3 1/2 inches reinforced (300-512, 400-512)
• Yoke Outside Diameter: 2 3/8 inches (100-512), 2 7/8 inches standard (200-512), 2 7/8 inches reinforced (300-512, 400-512)
• Auger RPM: 180 (100-512, 200-512), 154 (300-512), 135 (400-512)
• Gear Ratios: 3:1 (100-512, 200-512), 3.5:1 (300-512), 4:1 (400-512)
• Unit Weight: 112 lbs (100-512), 200 lbs (200-512), 230 lbs (300-512), 256 lbs (400-512)
• Shipping Weight: 165 lbs to 305 lbs depending on model
• Driveline: 1 3/8 inch with ASAE Category 2 or 3 shear bolt protection
• Available Auger Diameters: 6", 9", 12", 18", 24", 30"
• Available Auger Lengths: 36 inches, 44 inches, 48 inches (varies by diameter)
• Auger Flighting: Single flighting (6"), double flighting (9", 12", 18", 24", 30")
• Flighting Thickness: 3/16" (6", 9", 12"), 1/4" (18", 24"), 5/16" (30")
• Output Shaft: 1 3/8 inch with 5/8 inch adapter bushing (100-512), 2 inch (200-512, 300-512, 400-512)
• Country of Origin: USA

• Fully Enclosed Shear Pin Safety — BEFCO's industry-first enclosed driveline yoke protects operators and preserves the integrity of the shear pin by shielding it from debris, moisture, and accidental contact
• Heavy-Duty Welded Double Flighting — All 9-inch, 12-inch, 18-inch, 24-inch, and 30-inch augers feature fully welded double flighting that moves soil efficiently and resists bending or twisting under load
• Reinforced Boom and Yoke Construction — Models 300-512 and 400-512 include reinforced booms and yokes engineered for higher torque applications and extended service life in demanding conditions
• Fish-Tail Point Standard on All Augers — Every auger size comes equipped with a fish-tail point designed to penetrate tough soil, stay centered during operation, and reduce wandering in rocky or uneven ground
• Individually Replaceable Knives and Point — Wear components can be replaced individually without removing the entire auger, reducing downtime and long-term operating costs
• Reinforced Mounting Collar — Fully welded collars on every auger prevent slippage and cracking, ensuring secure attachment and consistent torque transfer even under high-stress digging
• Wide Range of Auger Sizes and Lengths — Choose from six diameters and two standard lengths to match your application, from narrow fence post holes to large-diameter foundation piers
• Rugged 540 RPM Gearbox — Constant torque delivery at standard PTO speed ensures consistent digging power across all soil types without requiring specialized tractor configurations

The BEFCO MOLE post hole digger saves time on every hole. Double flighting on the larger augers clears material faster, so you're not running the auger up and down repeatedly to clean out the hole. The fish-tail point keeps the bit centered and reduces drift, which means fewer repositioning attempts and cleaner results. When you're setting dozens of posts in a day, those efficiencies add up to real labor savings and faster project completion.

Durability is built into every component. The reinforced boom and yoke assemblies on the 300 and 400 series models are designed to handle the kind of stress that comes from digging in caliche, clay, and compacted fill. The fully welded flighting and mounting collars eliminate common failure points found in lighter-duty designs. You're not dealing with bent augers or cracked collars after a few tough jobs. This equipment is made to work season after season without constant repairs.

The enclosed shear pin design is a significant safety improvement. Traditional exposed shear pins can catch clothing, gloves, or debris and create a hazard during operation or maintenance. BEFCO's fully enclosed yoke keeps the pin protected and accessible only when you need to replace it. It also reduces corrosion and damage from the elements, which means the shear pin works as intended when overload protection is actually needed.

Productivity improves when you can match the auger to the job. The range of diameters from 6 inches up to 30 inches means you're not limited to a single hole size or forced to use an undersized or oversized auger. Smaller diameters work well for fence posts and tree planting, while the larger options handle pier footings, utility poles, and foundation work. Having the right tool for the task reduces digging time and delivers better results.

The cost of ownership stays low because wear parts are replaceable and the core components are overbuilt. You're not replacing entire augers when the point or knives wear out. The gearbox is sealed and designed for long service intervals, and the welded construction means there are fewer bolted joints to loosen or fail. When maintenance is needed, parts are available and the design is straightforward enough that most operators can handle routine service without specialized tools.

Operators also appreciate the consistency. The gearbox maintains torque even as soil conditions change, so you're not constantly adjusting your approach or fighting the machine. The auger positioning handle gives you better control when starting a hole, and the optional hydraulic downforce kit adds versatility when you encounter difficult ground. It's the kind of setup that works the way you expect it to, which reduces frustration and keeps your crew moving.

Return on investment comes from getting more done with less effort. Faster digging means fewer hours on the tractor, which translates to lower fuel costs and less wear on your machine. The reliability of BEFCO's construction reduces downtime and repair expenses. And because the equipment holds up over time, you're not replacing it every few years. For contractors and land managers who depend on their tools, that long-term value is what makes the difference between a good attachment and a great one.

The BEFCO MOLE series is ideal for contractors, landscapers, ranchers, farm owners, and land managers who need to dig post holes regularly and efficiently. It works well in a variety of soil types including clay, sand, loam, and rocky ground. The range of models ensures compatibility with most compact and mid-sized tractors from 15 HP up to 90 HP, making it accessible whether you're running a small utility tractor or a larger agricultural machine.

Compatibility is straightforward. The 100-512 fits limited Category 1 hitches and works with smaller tractors. The 200-512 is designed for standard Category 1 setups. The 300-512 and 400-512 models offer dual compatibility with Category 1 and Category 2 hitches, giving you flexibility if you operate multiple tractors or plan to upgrade in the future. All models use a standard 1 3/8-inch PTO driveline, so connection is simple and doesn't require adapters in most cases.

For best results, match your auger size to the task and soil conditions. Smaller augers work well in loose or sandy soil and for shallow holes. Larger diameters are better suited for deep holes, compacted soil, or applications where you need the extra torque and material clearance. If you're working in frozen ground or very hard soil, consider adding the hydraulic downforce kit to maintain consistent digging pressure without overloading the gearbox.

Routine maintenance keeps the digger working at peak performance. Check the gearbox oil level regularly and follow the manufacturer's service intervals. Inspect the shear pin and replace it if it shows wear or damage. Keep the auger flighting and knives clean and free of soil buildup, and replace worn knives promptly to maintain cutting efficiency. Store the unit in a dry location when not in use, and grease pivot points and the PTO shaft according to the operator's manual. These simple steps extend the life of the equipment and reduce the chance of unexpected failures.

Manufactured by BEFCO, this product is covered under the manufacturer's 12-month warranty for defects in materials and workmanship, valid for the first registered owner from the date of invoice. Replacement parts are warranted for 30 days from delivery. The warranty does not cover wear items such as belts, shear pins, oil, grease, tires, tubes, hydraulic hoses, knives, and PTO components. Warranty service must be performed by an authorized BEFCO dealer. Order your MOLE - Post hole diggers 15-90 HP (11-67 KW) 540 rpm - Cat. 1 & 2 from Forge Claw today. We offer flexible, easy financing and fast nationwide shipping so every operator can get their hands on top-quality equipment.