Bullmax Post Driver Super Maxi – 4-Stroke Honda GX50 Engine (BMPD-H120)

Take on the toughest posts with the Bullmax Post Driver Super Maxi (BMPD-H120) — the ultimate heavy-duty post driver powered by the Honda GX50 4-Stroke engine. Engineered for serious contractors, farmers, and landowners, this powerhouse delivers unmatched driving force, making light work of even the largest posts, poles, and stakes.

Built tough for Australian conditions, the Post Driver Super Maxi is designed to handle oversized posts where standard post drivers fall short. Whether you’re installing strainer posts, large timber stakes, vineyard poles, or fencing in hard ground, the Super Maxi gives you the raw power and reliability needed to get the job done fast and efficiently.

The Honda GX50 engine sets the benchmark for performance — quiet, fuel-efficient, easy to start, and low-maintenance with no fuel mixing required. The precision-engineered Bullmax gearbox and hammer system ensures consistent impact force while minimizing vibration for operator comfort and longer service life.

Key Features & Benefits:

• Powered by Honda GX50 4-Stroke Engine – Legendary reliability, smooth power, and low-maintenance operation.

• Super Maxi Driving Force – Built for oversized posts, strainers, and large timber stakes.

• Heavy-Duty Bullmax Build – Rugged gearbox and hammer system engineered for extreme durability.

• Low Vibration & Easy Handling – Designed for operator comfort during prolonged use.

• No Fuel Mixing Required – Runs on straight unleaded petrol, reducing downtime and maintenance.

• Versatile Applications – Perfect for fencing contractors, farm use, vineyard operations, and commercial projects.

Specifications:

• Model: BMPD-H120

• Product Name: Bullmax Post Driver Super Maxi – 4-Stroke Honda GX50 Engine

• Engine: Honda GX50, 4-Stroke OHV

• Post Capacity: Suitable for large posts, strainers, poles, and timber stakes

• Applications: Agriculture, fencing, vineyards, construction, and heavy-duty land projects

• Warranty:

  • Honda Engine: 3-Year Honda Australia Warranty

  • Frame & Drivetrain: 12 Months Bullmax Warranty