Telescopic-Boom Truck-Mounted Cranes
WHHC SQS300-5 Truck-Mounted Crane — 12 t / 300 kN·m, 5-Section Telescopic Boom
Twelve tonnes on a 19.5 m reach. The step up to 6x4 chassis class — sized for mining support, infrastructure and heavy cargo where the crane works a full shift. Left-hand drive standard; right-hand drive available on request.
Short answer. The WHHC SQS300-5 is a 12 t / 300 kN·m truck-mounted crane with a five-section telescopic boom. Its boom runs 5.9–19.5 m and reaches a maximum working radius of 19.5 m, with a maximum lifting height of 21 m and 360° slewing in any position. It is recommended for trucks of 10 t load capacity and above. Left-hand drive is standard; right-hand drive is available on request.
Published by Truck Crane China — we build truck-mounted cranes, grab trucks and wrecker trucks on Chinese chassis for export.
Built to order, not from stock. Cranes come either from our own production or sourced to your specification — available brands include WHHC, XCMG, SANY and Zoomlion. Chassis are sourced from SINOTRUK, SHACMAN, Dongfeng, FAW Jiefang, Foton, Isuzu, JMC or JAC. We engineer the subframe and mounting, fabricate the body, and deliver one finished, road-ready truck from our Suizhou works.
Left-hand drive (LHD) is standard. Right-hand drive (RHD) is available on request and is built to order.
Complete Specifications
Parameter | Value |
|---|---|
Lifting Performance | |
Max. rated lifting capacity | 12000 kg |
Max. lifting moment | 300.0 kN·m |
Boom sections | 5 |
Boom length | 5.9 – 19.5 m |
Max. working radius | 19.5 m |
Max. lifting height (basic boom) | 6 m |
Max. lifting height (boom fully extended) | 19.5 m |
Max. lifting height | 21 m |
Outrigger span | 2.5 – 7.6 m |
Outrigger type | H-type |
Slewing range | 360° (any position) |
Slewing speed | ＜2.5 r/min |
Boom raising time | ＜20 s |
Boom extending time | ＜25 s |
Extension speed | 0.19 * |
Luffing range | 1–72 * |
Boom raising angular speed | 3.2 * |
Hook lifting speed | 8 m/min |
Hydraulic System | |
System pressure | 24 MPa |
System flow | 60 L/min |
Oil tank capacity | ≮150 L |
Structure | |
Wire rope diameter | 12 mm |
Wire rope length | 115 m |
Crane weight | ＜5500 kg |
Boom section form | Octagonal |
Mounting space | 1250 mm |
Operating Environment & Configuration | |
Recommended truck | Trucks of 10 t load capacity and above |
Steering | Left-hand drive (LHD) standard. Right-hand drive (RHD) available on request. |
Safety device | Anti-two-block alarm |
Working temperature | -15 ℃ ～ 40 ℃ |
Lifting Capacity Chart (Load Chart)
Working radius (m) | 2.5 | 5.5 | 8.5 | 11.5 | 19.5 |
|---|---|---|---|---|---|
Lifting capacity (kg) | 12000 | 5130 | 2660 | 1420 | 500 |
Questions buyers ask about the WHHC SQS300-5 truck-mounted crane
What are the rated capacity and lifting moment?
A maximum rated lifting capacity of 12000 kg and a maximum lifting moment of 300.0 kN·m.
What boom and reach does it have?
Five sections, with a boom length of 5.9–19.5 m, a maximum working radius of 19.5 m, a maximum lifting height (boom fully extended) of 19.5 m and a maximum lifting height of 21 m.
What are the outrigger and slewing specifications?
H-type outriggers with a 2.5–7.6 m span; slewing range is 360° any position at a slewing speed of ＜2.5 r/min.
What chassis is recommended for it?
Trucks of 10 t load capacity and above.
What are the hydraulic and weight figures?
System pressure 24 MPa and system flow 60 L/min, with an oil tank of ≮150 L and a 12 mm / 115 m wire rope; the crane weighs ＜5500 kg.
What does the load chart show?
It runs from 12000 kg at a 2.5 m radius, falling as the working radius increases across the chart.
Other builds in this range: WHHC SQS350-5 Truck-Mounted Crane, 14 t / 350 kN·m and WHHC SQS400-5 Truck-Mounted Crane, 16 t / 400 kN·m.
