Big time: Link-Belt’s new 548
LAS VEGAS, NV (March 11, 2008)— Link-Belt showed the 550-ton (500-mt) 548 crawler crane at ConExpo in Las Vegas. Adding mammoth muscle to Link-Belt’s already potent lattice boom lineup, the 548 brings a new level of transportability and strength to this heavy lift class.
Big lift
Preliminary specifications place the 548’s heavy-duty boom at 79–275 ft
(24–84 m) and the long-range boom at 138–354 ft (42–108 m). Luffer
testing will soon be underway. Also in the 548’s near future is a
heavy-lift attachment with a supermast to provide even greater capacity.
The 548, however, achieves its 550-ton (500-mt) conventional base rating
capacity with its standard live mast and standard heavy-duty boom.
A dual drum hoist with 28-mm rope maximizes lifting power. The boom-mounted winches have 48,280 lbs (21 900 kg) of available line pull. Maximum line speed is 525 fpm (160 m/min).
The
upper counterweights total 352,740 lbs (160 000 kg) and the lower
counterweights total 99,208 lbs (45 000 kg). For a wide, stable stance,
track gauge is 26 ft, 3 in (8 m) for its 38-ft, 1.7-in (11.3-m) tread
members, and 60-in (1 524 mm) track shoes.
An Isuzu 6WGI, Tier III engine with 523 hp (390 kW) powering nine hydraulic pumps is at the heart of this behemoth.
Moving makes the difference
With the 548, transportability is key. For efficient
assembly/disassembly, the standard equipped live-mast lifting cylinder
can handle its own sideframes, lower counterweights, and boom base. The
main transport load weighs less than 100,000 lbs (45 359.2 kg) and
includes the house with quick-disconnect turntable bearing, live mast,
and upper jacks.
Perfect for heavy industrial, petrochemical, and wind energy work, the Link-Belt 548 will take on all comers in its heavy lift class.
Other standout features of the 548:
- Boom extension nesting for efficient attachment transport
- High hoist drum line speed and wire rope capacity to meet North American jobsite demands
- Spacious tilt cab with standard AM/FM radio and air conditioning
- Quick-disconnect turntable bearing with upper and lower jacks
- Supported 24/7 by Link-Belt Preferred including online manuals, literature, a ground bearing calculator, and 3D Lift Plan