Kobelco CKS900 cranes
Total weight:
                                10.9 t × 18.0 m
                            Boom Length:
                                61.0 m
                            Product Feature
Product Parameter
Crane Boom
| Max. Lifting Capacity*** | 90 t × 3.9 m | 
|---|---|
| Max. Length | 61.0 m | 
Fixed Jib
| Max. Lifting Capacity | 10.9 t × 18.0 m | 
|---|---|
| Max. Combination | 51.8 m + 18.3 m | 
Main & Aux. Winch
| Max. Line Speed | 120 m/min (1st layer) | 
|---|---|
| Rated Line Pull (Single Line)  | 
            112 kN {11.4 tf} | 
| Wire Rope Diameter | 26 mm | 
| Wire Rope Length | 240 m (Main), 165 m (Aux) | 
| Brake Type | Wet-type multiple disc brake (Optional) | 
Working Speed
| Swing Speed | 4.0 min-1 {rpm} | 
|---|---|
| Travel Speed | 1.7 / 1.1 km/h | 
Power Plant
| Model | HINO J08E-VM | 
|---|---|
| Engine Output | 213 kW / 2,100 min-1 | 
| Fuel Tank Capacity | 400 liters | 
Hydraulic System
| Main Pumps | 3 variable displacement | 
|---|---|
| Max. Pressure | 31.9 MPa {325 kgf/cm2} | 
| Hydraulic Tank Capacity | 440 liters | 
Self-Removal Device
| Counterweight/self-removal device (Option) | 
Weight
| Operating Weight* | 90.1 t | 
|---|---|
| Ground Pressure | 101 kPa | 
| Counterweight | 31,900 kg | 
| Transport Weight** | 41,360 kg | 








