Ultimate Stackers Australia SP-12 self-propelled large bale stacker is an Australian-designed and Australian-built machine engineered to deliver fast, efficient, and reliable stacking of large square bales in the field. Built using Australian-manufactured components, the SP-12 is purpose-built for durability, performance, and long service life in demanding agricultural environments.

Following the baler’s direction of travel, the SP-12 offers a unique operational advantage that sets it apart from traditional stackers. It handles 8x4x3 bales and stacks them twelve at a time with exceptional consistency. A 400hp engine paired with a 12-speed automatic transmission drives the bogie axles, while large super-single flotation tyres minimise compaction and maximise traction across all soil conditions.

The SP-12’s heavy-duty chassis is engineered specifically for bale stacking, providing strength and stability exactly where it’s needed. Its high-flow hydraulic system delivers fast, smooth stacking cycles, with maintenance access points that are positioned for easy servicing, reducing downtime and simplifying fleet management.

Operator comfort and visibility are central to the SP-12’s design. The cab features air-conditioning, suspension seating, and excellent forward vision. The joystick is positioned for natural right-hand control, allowing the operator to stack bales with a single movement. A major advantage with the SP-12 is that there is no loss of forward vision through the windscreen as it automatically stacks each bale as you move through the field.

The SP-12 travels smoothly down the drill row, eliminating the need to reverse at check banks or borders and making every pass quieter, faster, and more efficient. Safety is built in, with ROPS protection, certified seat belts, and engineered stability across all operating modes.

 

When it’s time to move between paddocks, the SP-12 transitions easily into transport mode. Fully road-registered, it requires no oversize signs, flashing lights, or flags, and can travel at speeds up to 100km/h.

Whether stacking hay or straw, the SP-12 delivers unmatched precision, speed, and reliability. It redefines how large bales are handled and stands alone as the ultimate solution for high-efficiency stacking.

 

 

 

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