Mobile Cranes
All-terrain, rough terrain, crawler, and truck cranes for project and industrial lifting. Load chart reading, outrigger ground bearing, and site access planning are critical for safe operation.
All-Terrain (AT) Crane
The most versatile mobile crane for construction projects. Multi-axle carrier drives on highways at up to 80 km/h and off-road at low speed. All axles steer and drive. Hydraulic telescopic boom up to 80m with luffing jib extension to 160m.
Key Features
- 5–9 axle carrier (up to 1,600t capacity)
- All-wheel steering and all-wheel drive
- Highway-legal (with counterweight offloaded)
- SLI (Safe Load Indicator) and LMI system
- Anti-two-block and boom angle indicator
- VarioBase® variable outrigger geometry (Liebherr)
- Wind speed monitoring and automatic cutout
Typical Applications
- Refinery turnarounds
- Power plant erection
- Bridge construction
- Wind turbine installation
- Industrial maintenance lifts
High mobilisation cost; requires road permits above certain axle loads; large outrigger pad area needed.
Rough Terrain (RT) Crane
Single-engine carrier designed specifically for off-road use. Cannot travel on public roads at speed. Widely used in India for construction sites, infrastructure projects, and industrial facilities where access roads are unprepared.
Key Features
- Single diesel engine powers travel and crane functions
- 4WD and 4-wheel steer for tight manoeuvrability
- Ground clearance 400–600mm
- Compact footprint — useful in congested sites
- Manual luffing or hydraulic luffing jib
- HINO/Cummins power plant options
Typical Applications
- Building construction sites
- Road and bridge projects
- Quarries and mining
- Industrial plant maintenance
- Pre-engineered building erection
Cannot travel on public roads independently; smaller capacities than AT crane; slower pick-and-carry.
Crawler Crane
Mounted on rubber or steel-pad crawlers instead of tyres. No outriggers needed — distributes load over crawler contact area. Can travel with a suspended load (pick-and-carry within rated capacity). The workhorse for heavy infrastructure and petrochemical projects.
Key Features
- Travel with load (pick-and-carry)
- Lattice boom extends to 100m+
- Superlift counterweight for ultra-heavy picks
- Low ground bearing pressure (suitable for soft ground)
- Tandem lift coordination for precision heavy lifts
- Air-cooled or water-cooled diesel powertrains
- Remote monitoring and diagnostics
Typical Applications
- Petrochemical plant erection
- Heavy module lifts
- Offshore fabrication yards
- Dam and power station construction
- Tandem heavy lifts >1,000t
Very slow road mobility; requires low-loader transport between sites; setup time 1–3 days for large models.
Truck-Mounted Crane
Crane superstructure mounted on a standard truck chassis. Fast mobilisation and reasonable road speeds. Popular in India for small lifting jobs, infrastructure maintenance, and beam erection where a full AT crane is not economical.
Key Features
- Road legal carrier — standard truck chassis
- Fast mobilisation (travel speed 60–80 km/h)
- Lower cost than AT crane for equivalent capacity
- 360° continuous rotation with optional cab
- Manual or hydraulic outriggers
Typical Applications
- Utility and telecom erection
- Small precast beam installation
- Workshop and factory maintenance
- Distribution centre loading
Two-engine system (one for travel, one for crane); less off-road capability than RT crane.
Pick-and-Carry Crane
Designed to travel with the load suspended — no outriggers deployed during lifts. Highly manoeuvrable in tight sites. Common in India and Australia for precast erection, steel structure installation, and mining.
Key Features
- Travel with load up to rated capacity
- No outriggers — very compact footprint
- Articulated chassis for tight turning
- Low ground pressure suitable for rooftops
- Boom reach typically 8–18m
Typical Applications
- Precast concrete installation
- Steel structure erection in congested sites
- Mining equipment maintenance
- Rooftop HVAC installation
Limited capacities and reach compared to AT crane; not suitable for precision lifts at range.
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