Schlam’s 300th Hercules tray for Fortescue: payload and fatigue notes for mine planners
Reviewed by Tom Sullivan

First reported on International Mining – News
30 Second Briefing
Schlam has delivered its 300th Hercules dump truck tray to Fortescue, marking a long-running fleet fit-out across the miner’s Western Australian iron ore operations. The lightweight Hercules bodies are designed to increase payload on ultra-class haul trucks by several tonnes compared with standard OEM trays, using high-strength wear-resistant steel and optimised geometry to reduce carryback. For mine planners and maintenance teams, the scale of deployment signals confidence in life-cycle performance, structural fatigue behaviour and compatibility with Fortescue’s autonomous haulage systems.
Technical Brief
- High utilisation across ultra-class trucks provides a substantial in-field dataset for fatigue, liner wear and carryback behaviour benchmarking.
Our Take
The 300 Hercules truck trays supplied to Fortescue suggest a long-running fleet standardisation choice, which will simplify maintenance and parts logistics as the company rolls out decarbonisation projects like the Nullagine wind farm in the Pilbara.
Schlam’s separate move to open a Hunter Valley facility for Hercules truck bodies indicates the product line is being positioned as a national platform, not just a Pilbara solution, which can give Fortescue leverage on pricing and support through scale.
With FMS Group acquiring Cru Services (Schlam Cru), Schlam’s truck body business is now adjacent to a broader maintenance services network, which could enable bundled body-and-maintenance offerings for large miners such as Fortescue over time.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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