Jumbo Shaft

Compatible with Sandvik DD420 DD421 DD422

Forms the pivot or connection axis for joined components in the boom assembly. The shaft transfers load across the joint and maintains component alignment.

Benefits

Maintains the pivot or connection axis
Supports load transfer between joined components
Provides a defined shaft component for joint maintenance
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Why Choose MASPRO

MASPRO engineers reliability beyond the part. We combine precision engineering, Australian manufacturing and practical mining knowledge to improve equipment performance, reduce operational risk and keep critical assets working.

Engineered for reliability

Precision-engineered components designed for demanding mining environments, with performance, durability and lifecycle reliability considered from the outset.

Engineering with context

Real reliability depends on more than the component. We consider operating conditions, equipment utilisation, wear, maintenance requirements and system interactions to engineer solutions for the realities of site.

Australian made. Responsive by design.

Local engineering and manufacturing give MASPRO greater control over quality, lead times and responsiveness—helping customers reduce supply risk and maintain operational continuity.

Maspro product range

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Boom systems · Compatible with Sandvik

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Whether you’re looking to improve component performance, strengthen supply certainty or reduce maintenance downtime, our team will work with you to understand the challenge and identify the right solution for your operation.

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