The SiBore SB431 is a portable, gasoline-powered (Honda GX35 1.6 HP) horizontal boring auger designed for trenchless digging under sidewalks and driveways. It is ideal for landscapers, plumbers, and electricians to install pipes or cables (1″, 2″, or 4″ diameters) without digging up concrete. The unit, which weighs roughly 54–70 lbs, uses a waterless method for fast, dry, and clean operations.
Key Features and Details of the SB431 Kit
Capacity: Creates 1″, 2″, or 4″ diameter tunnels up to 24-ft (1-in. rods) or 12-ft (2-in. & 4-in. augers).
Included Components: The full SB431 package includes the MS-10 motor stand, 6 36-in. boring rods, a swivel cable puller, 2 boring heads, 2 augers, and 3 32-in. extensions.
Transmission: Enclosed, grease-lubricated with spur gear reduction.
Performance: Capable of boring through tough clay soil, often completing a sidewalk crossing in under five minutes.
Portability: Compact enough for transportation in the trunk of a car.
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