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Case Study: 5 Heavy-Duty Lowbeds for Chile Mining Belt
Chile’s copper belt stretches from Antofagasta to Rancagua, with some of the heaviest equipment-transport demands on the continent. In 2025, a mining contractor serving Codelco Norte operations needed 5 heavy-duty lowbed trailers to move Komatsu 930E haul trucks between mine faces.
Note: 5-unit lowbed orders from Chile are a common single-tranche renewal for smaller mining contractors.
1. Buyer Profile
- Region: Antofagasta and Calama copper belt
- Operation: haul truck and shovel moves between mine faces and assembly shops
2. Tender Specification
- Payload: 120 ton rated
- Deck: 4-axle, full-width drop-center, 9.5 m loaded deck
- Suspension: hydraulic-axle for load equalisation on mine rough road
- Axles: 4 × 16-ton heavy-duty
- Tyres: 14.00R20 mining-tread, central tyre inflation ready
3. Cost (per unit)
| Line | USD |
|---|---|
| 4-axle heavy lowbed FOB China (120-ton) | ~92,000 |
| Hydraulic suspension | ~9,500 |
| Sea freight China → San Antonio/Valparaíso | ~7,800 |
| Inland to Antofagasta + commissioning | ~2,800 |
| Landed cost | ~112,100 |
4. After-Sales Performance
- Mean uptime: 93.5% (target 92%)
- Warranty claims: 1 hydraulic suspension cylinder rebuild, 2 minor axle bearing issues
- Central tyre inflation benefit realised: ~25% reduction in sidewall cuts vs previous fleet
5. What Worked
- Hydraulic suspension absorbed Atacama mine-road shock loading, extending frame life
- 120-ton rating provided sufficient margin for Komatsu 930E moves
- Local Chilean dealer partner provided on-site commissioning support
6. Lessons
- Spec welding procedure spec (WPS) documents for critical-load lowbeds
- Southern Hemisphere winter (June-Aug): deliver off-season to avoid harsh Atacama wind
- Chilean road codes require specific reflective tape patterns — buy locally approved variant
FAQ
How many axles does a 120-ton lowbed have?
Typically 4 axles on rear tridem plus gooseneck lift axle. Heavy-duty 5-axle versions exist for 150+ ton ratings.
What is the typical payload of a 120-ton lowbed?
120-ton rated lowbeds carry 80-100 tons of typical load to maintain structural margin. Actual equipment weight for Cat 777 is 100 tons; Cat 785 is 130 tons (requires lowboy upgrade).
Hydraulic vs mechanical suspension for lowbed in mining?
Hydraulic suspension absorbs mine-road shock, reduces frame stress, and extends service life. Mechanical suspension is lower cost but only suitable for highway-only operation.
What is central tyre inflation?
CTI is an on-the-fly pressure-adjustment system for tires. Lowers pressure for mine-road traction, raises for highway efficiency. Reduces sidewall cuts in mining operations by ~25-30%.
For project enquiries, fleet quotes, and tender support, contact sales@fotonintl.com. This case study is published by a manufacturer exporting 30,000+ semi-trailer units annually to 40+ countries.
