Kobelco 7090G - Quek & Quek Civil Engineering
This Kobelco 7090G belongs to Quek & Quek Civil Engineering from Singapore (SG). It is a 90-tonne crawler crane.
The undercarriage of the crane is 6.32 meters long and 4.9 meters wide. For the transport over the road is the width to be reduced to 3.5 meters.
The crane is powered by a Hino J08E-UV diesel engine with a power of 213 kW.
Attached to the superstructure is in total 33.7 tonnes of counterweight, the counterweight has a 4.4 meter tailswing.
Between the tracks is in total 6.6 tonnes of central counterweights mounted, on each side 3.3 tonnes. The hydraulic jacks are used to unload the crawler tracks when the width of the undercarriage is adjusted.
The crane is fitted with two 11-tonne hoist winches with 26 mm wire rope, which are both in use here.
Here was the crane fitted with a 29.1 meter long main boom, in this configuration is the crane able to hoist maximum 50.2 tonnes on a 6.4 meter radius or 7 tonnes to a 26.4 meter radius. The main boom has a maximum length of 62.6 meters.