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JASO enters flat-top tower crane market

March 29, 2021  By Crane & Hoist Canada

JASO enters flat-top tower crane marketJASO enters flat-top tower crane market. Photo: JASO

Jaso has added flat-top tower cranes to its model line up. First to join the range are the J200-12 and J200-10 with 12 and 10 tonnes capacity. Both have a maximum 67.5-metre radius.

The J200 model was successfully prototyped in February, and the J200.12 gives tip loads of 1.7 tonnes with a single trolley in single reeving mode (ST-SR) or 1.5 tonnes at 67. 5 metres when in ST-DR. The sister model, the J200.10, will carry an SR/DR trolley, giving 1.8 tonnes at 67.5 metres in SR/DR.

Booms on the two new models start at 30 metres and can be increased in 2.5-metre increments. The swing radius with the full boom is 14.9 metres while for booms of 52.5 metres and lower, the swing radius can be reduced to 12.9 metres. Counterweight slabs are the lay-flat type, the same as the weights of the base ballast, lately common on all our latest models. Optional the C/W can be steel-framed for higher safety.

The 12-tonne model comes as standard with a 60 hp hoist, giving a maximum speed of 152 metres a minute. Optional is an 88-horsepower unit giving a maximum of 225 metres per minute. Hoist drums can be specified with Lebus grooving. The rope capacity is 1,378 metres. Hoists for the J200.10 are a standard 33-horsepower with 60-horsepower as an option.


Both models use the standard 1.75- x 1.75-metre tower system with 12.6- and 3-metre long sections. The maximum free-standing height is 50.1 metres. To increase it, Jaso is developing the crane to fit the 2.16-metre tower system for hook heights of nearly 83 metres.

For the base, Jaso is offering cruciform types 4.5 x 4.5 metres and 6 x 6 metres, for maximum hook heights of 48.1 and 54 metres.

For easier assembly, the heaviest component is the slewing platform with the tower head at 6.7 tonnes. Combining these two reduces the number of transport units.

Eco mode system

In normal mode, the crane runs on full power, while switching to Eco-mode it uses 75 per cent of the power. Super Eco mode works with 50 per cent of the normal power consumption. It allows a crane with a bigger hoist motor to also work on less current. This helps on sites with restricted power supply.

Eco and Super Eco modes reduce the hoist speed but only when hoisting up. Lowering the hook is at same speed as when working in normal mode.

Key features of JASO flat-top cranes

  • Versatility for multiple applications
  • Optimization for component weight
  • Quick and easy assembly in congested urban areas
  • Micro speed and proportional slew movements to high
  • Operating speed and minimal power consumption

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