China Dongfeng 21meters Folding Boom High Aerial Working Platform Truck for Sale

Dongfeng 21m Articulated Folding Boom

  • Folding Arm Agility: Easily reach over obstacles and tight corners.
  • Dongfeng 4×2 Platform: Proven durability with low maintenance costs.
  • 21m Working Height: Optimized for municipal and gardening tasks.
  • Dual-Station Control: Safe and smooth electro-hydraulic operation.
  • 2026 Direct Pricing: Factory-direct deal with global logistics support.
Over-Obstacle Reach | Dongfeng Reliability | Municipal Expert
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Dongfeng 4×2 21m Articulated Folding Boom Aerial Work Truck

Master complex urban environments with the Dongfeng 21-Meter Articulated Folding Boom Truck. Designed for the 2026 municipal and utility sectors, this vehicle’s signature knuckle-boom design allows operators to navigate over and around obstacles that stop straight-boom trucks in their tracks. Mounted on the rugged Dongfeng 4×2 chassis, it provides the perfect reach for tree trimming, streetlight repair, and historical building maintenance in dense metropolitan areas.

21m Articulated Performance Matrix

Category Engineering Specification
Chassis Platform DONGFENG (Heavy-Duty 4×2 Engineering Chassis)
Boom Geometry Articulated / Folding Arm (3-Section or 4-Section)
Max Working Height 21 Meters (Approx. 69 Feet)
Horizontal Outreach 9.5 – 11 Meters (High Maneuverability)
Bucket Payload 200 kg (Automatic Leveling System)
Rotation 360° Continuous Slewing
Hydraulic Control Electro-Hydraulic Proportional Control (Dual-Station)

Superior Agility & Obstacle Clearance

  • Exceptional “Over-and-Under” Reach: The articulated design allows the bucket to reach over rooftops or through gaps in power lines, making it the top choice for complex urban layouts.
  • Robust Dongfeng Core: Built on a chassis known for high torque and durability, ensuring steady PTO (Power Take-Off) for the hydraulic system during long work shifts.
  • Compact Transport Mode: The folding boom retracts into a compact footprint, allowing the truck to travel through low tunnels and narrow streets with ease.
  • Synchronized Safety Controls: Features real-time interlock systems between the stabilizers and the boom, preventing accidental tipping or structural stress.
  • Enhanced ROI for Contractors: Its versatility means it can handle jobs that straight-boom trucks cannot, opening up more revenue streams for rental and maintenance fleets.

Targeted Industry Scopes

Urban Tree Trimming
Street Light Maintenance
Historical Building Restoration
Complex Power Line Repair

Chengli Special Automobile Co., Ltd

Need a flexible 21m solution for difficult work sites? Contact us today for factory-direct price lists, 21m reach charts, and prioritized 2026 export shipping!