
Tadano AR-4000M
The Tadano AR-4000M is a 400-ton class all-terrain crane, engineered for high-capacity lifting with modular transportability. Featuring a versatile boom and counterweight configuration, it offers robust performance on and off public roads with optimized dismantling for efficient logistics.

Product Description
The Tadano AR-4000M is a 400-ton all-terrain crane that blends super heavy lifting performance with the flexibility of modular transport and field assembly. Built for infrastructure, energy, and heavy industrial projects, it delivers Tadano’s signature combination of lifting power, mobility, and safety.
The AR-4000M is designed to travel in both “on-site” and “on-road” configurations, with adjustable components for dismantling and transport. Its major components, including the superstructure, carrier, boom system, and counterweights, are configured for efficient breakdown into road-legal loads, simplifying deployment between job sites. The standard carrier frame supports a full all-terrain suspension system and multi-axle steering for maneuverability in restricted areas.
The crane supports multiple counterweight configurations, allowing for optimal setup depending on lifting demands and site constraints. The counterweight system is modular, with labeled sections for balance and ease of transport, and their combinations are adjustable to meet both maximum lift and radius-optimized operations.
Dimensions-wise, the crane features a compact profile for its capacity class. In its operational setup, the AR-4000M is built for stability with an outrigger width and length sufficient to ensure secure lifting on uneven surfaces. Detailed dimensional charts (from the blueprint file) also indicate minimum aisle widths and height clearances required for site navigation, with tailored configurations for road legality in Japan.
Though the boom length and exact lifting geometry aren’t specified in this dimensional document, the AR-4000M typically comes with a multi-stage telescopic boom and optional fixed or luffing jibs, expanding its vertical and horizontal lifting reach for tall structures and extended radii.
In summary, the Tadano AR-4000M is designed not just for raw lifting capacity, but for real-world logistics, fast rigging, and reliable all-terrain travel. It sits perfectly between Tadano’s ultra-heavy models and mid-capacity cranes, offering 400 tons of lifting strength with site-ready agility and transport intelligence. Let me know if you’d like detailed lifting specs or to source additional documents for the AR-4000M.
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