Heavy Engineering · Since 1949
Compare boom length, lifting capacity, operating weight, hydraulic system pressure and bucket capacity before you freeze the tender bill of quantities.
CE Machinery Directive 2006/42/EC and ISO 9001 documentation packs standardised line-wide.
EPA Tier 4 Final / EU Stage V datasheets published with ISO 8178 C1 test references.
ISO 4301 classification tables and ASME B30 load-chart packages for tower, crawler and mobile lines.
ISO 15143-3 AEMP feeds expose operating weight hours, hoist cycles and hydraulic pressure trends.
Duty-cycle matching matrices for high-rise, quarry, port and mining truck loading.
Pin-gauge re-cert packs and revised SWL tables after jib or counterweight changes.
Use this matrix with your project director and hydraulic systems specialist to shortlist machine classes before requesting a formal boom load chart.
| Duty | Primary Specs | Certifications | Expert Note |
|---|---|---|---|
| High-rise craneage | Boom length, tip load, hoist speed, slewing speed | CE · ASME B30 · ISO 4301 | Confirm tied-in radii before concrete pour calendar locks |
| Open-pit loading | Bucket capacity, breakout force, ground pressure | EPA Tier 4 · ISO 45001 | Match truck body volume to fill factor, not nameplate alone |
| Port heavy lift | Lifting capacity @ radius, torque, gradeability | CE · ASME B30 | Account for wind and list when selecting mobile crane class |
| Highway earthworks | Digging depth, track shoe width, operating weight | EU Stage V · ISO 9001 | Soft subgrade often needs wider shoes than quarry rock-spec |
These selection debates come from live tender rooms. Liebherr application engineers present both sides with measurable criteria—ground pressure, transport cost, indoor emissions and total cost of ownership—rather than forcing a single “default” machine class.
Crawler side: Lower ground pressure on soft subgrade, higher stability for deep digging and breaker work, and the mainstream choice for quarry faces and mass earthworks where digging depth and breakout force dominate the cycle.
Wheeled side: Road travel without a low-boy trailer cuts mobilisation cost on urban packages with frequent site moves; rubber tyres suit paved corridors when operating weight and bucket capacity stay inside municipal axle limits.
Decision rule: choose crawler when ground pressure and face stability control the schedule; choose wheeled when daily road kilometres exceed productive dig hours.
Electric overhead side: Energy cost per lift is typically far below diesel in a fixed plant, with zero on-floor exhaust—preferred for indoor fabrication halls and long-horizon factory duty under CE Machinery Directive 2006/42/EC.
Diesel mobile side: No runway foundation CAPEX, flexible working radius and faster redeployment for outdoor civil or mining lifts where grid power or building structure is unavailable.
Decision rule: freeze electric overhead when the duty stays inside one building for years; keep diesel mobile when lift plans move weekly across pads with incomplete utilities.
Jaw crusher side: Simple wear parts, lower maintenance hours and broad feed hardness tolerance (Mohs ≤ 9) make jaw the default primary for mixed quarry rock when uptime outweighs particle shape.
Impact crusher side: Higher cubicity in the product stream suits highway asphalt aggregate specs, at the cost of higher wear rates on abrasive feed and tighter feed-size control.
Decision rule: specify jaw when feed hardness and availability dominate; specify impact when the asphalt or concrete buyer audits cubic particle share first.
Published SWL and nameplate figures assume stated configuration, ambient and fluid conditions. Outside these envelopes, Liebherr expects the buyer’s engineer of record to re-rate or reconfigure before lift or dig work proceeds.
Schedule an engineering consultation or request the load-chart set that matches your lift plan, quarry cycle or mining truck match.