Zoomlion QY55D531.2R Truck Crane front view
ZOOMLION Truck Crane

Zoomlion QY55D531.2R Truck Crane

A 55-tonne, 4-axle truck-mounted crane featuring a 5-section U-type high-strength steel boom extending to 43 m and a maximum lifting height of 58 m with jib. Powered by a Weichai diesel engine, it combines excellent maneuverability with strong lifting performance — delivering a maximum reach of 32 m with 1 T tip load, built for construction and infrastructure projects.

Capacity icon
Capacity55 Tonnes
Main Boom icon
Main Boom43 m
Engine icon
EngineWeichai ~247 kW
Max Lift Height icon
Max Lift Height58 m
Jib icon
Jib14.6 m
Axles icon
Axles4-Axle
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Key Highlights

Capacity icon
Lifting Capacity

55,000 kg (55 T)

Boom icon
Max Boom Length

43 m (5-Section U-type)

Height icon
Max Lifting Height

58 m (with Jib)

Jib icon
Max Jib Length

14.6 m

Tip load icon
Max Working Radius

32 m (1 T tip load)

Engine icon
Engine Brand

Weichai Diesel

Power icon
Rated Power

~247 kW (WP10 Series)

Axle icon
Axle Configuration

4-Axle Truck Crane

Boom profile icon
Boom Profile

U-type High-Strength Steel

Emission icon
Emission Norm

Euro III / Euro V

Specifications

Detailed technical specifications for Zoomlion QY55D531.2R Truck Crane

ENGINE

  • Engine BrandWeichai WP10 Series Diesel Engine
  • Rated Power~247 kW
  • Emission NormEuro III / Euro V
  • Electrical System24-Volt DC

LIFTING CAPACITY

  • Max. Rated Lifting Capacity55,000 kg (55 T) at 3 m radius
  • Tip Load at Max Radius1 T at 32 m radius
  • Max. Lifting Height (with Jib)58 m

BOOM & JIB

  • Boom Type5-Section U-type Telescopic Boom (Low-alloy High-Strength Steel)
  • Max. Main Boom Length43 m
  • Jib (Luffing)Up to 14.6 m
  • Max. Lifting Height (Main Boom + Jib)58 m

CHASSIS & DRIVING

  • Axle Configuration4-Axle Truck Crane Chassis
  • Chassis TypeBrand-new purpose-built truck crane chassis
  • ManeuverabilityExcellent road maneuverability and traveling reliability

STRUCTURAL FEATURES

  • Boom ProfileU-type — weight-optimised, distortion-resistant design
  • Boom MaterialLow-alloy High-Strength Steel
  • Outrigger SpanLarge outrigger span for improved working stability
  • Safety SystemLoad Moment Limiter (LMI) with automatic overload protection

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Frequently Asked Questions

Everything you need to know about the Zoomlion QY55D531.2R Truck Crane

The Zoomlion QY55D531.2R has a maximum rated lifting capacity of 55 Tonnes (55,000 kg) at a 3 m working radius. At the maximum working radius of 32 m, the tip load is 1 T. The maximum lifting height with jib is 58 m.

The QY55D531.2R features a 5-section U-type telescopic boom extending to 43 m, made from low-alloy high-strength steel for a weight-optimised, distortion-resistant design. An optional luffing jib of up to 14.6 m extends the maximum lifting height to 58 m.

The QY55D531.2R is powered by a Weichai WP10 series diesel engine with a rated power of approximately 247 kW, meeting Euro III / Euro V emission standards. The 4-axle chassis delivers strong power, excellent maneuverability, and reliable road traveling performance.

The U-type boom profile on the QY55D531.2R uses a weight-optimised, distortion-resistant design made from low-alloy high-strength steel. This profile provides superior bending and torsional rigidity compared to conventional oval or hexagonal sections, delivering better lift performance at extended radii while keeping the crane's self-weight low.

The QY55D531.2R uses a brand-new 4-axle purpose-built truck crane chassis with strong power and excellent maneuverability. The large outrigger span provides improved working stability on construction and industrial sites, and the load moment limiter (LMI) ensures safe operation within rated capacity at all times.