Sinotruk Howo 20 m hybrid-boom insulated aerial work truck (Chengliwei brand, medium-duty yellow-plate class), developed for live-line (hot-stick) maintenance of 10–35 kV distribution lines and substations in urban and rural areas.
Product overview
Announcement Parameters
- Vehicle Name: Chengliwei insulated aerial work truck
- Vehicle Model: CLW5090JGKADT
- Vehicle Type: Sinotruk Howo 20 m hybrid-boom insulated aerial work truck (medium-duty yellow plate)
- Body Color: Sand yellow
- GVWR (kg): 9,450
- Curb Weight (kg): 9,255
- Cab Seating: 3 persons
- Overall Dimensions (mm): 7,250×2,450×3,400
- Wheelbase (mm): 3,800
- Axles / Tires: 2 axles / 6 tires
- Tire Specification: 8.25R16LT
- Leaf Springs: 11/9+7
- Max Design Speed (km/h): 95
- Min Ground Clearance (mm): 210
- Approach / Departure Angle (°): 18 / 13
- Body Markings & Equipment: No-standing-under-boom warning, blind-spot warning decals, roof work warning lamp, large sealed tool boxes on both sides, anti-slip diamond walkway with carbon-steel guardrails
Chassis Configuration
- Chassis Model: Sinotruk Howo ZZ1117G3815F112
- Engine Model: WP3NQ160E61
- Displacement / Power: 2,970 ml / 118 kW
- Fuel / Emission: Diesel, GB17691-2018 China VI
- Cab Equipment: Single-row cab, factory A/C & heater, power steering
- Power Take-Off: Gearbox direct-drive PTO providing stable oil supply to the upper hydraulic system
- Access Advantage: Medium-duty yellow-plate chassis with ample load capacity; hybrid boom crosses obstacles easily — suited to live-line maintenance of 10–35 kV lines and substations in urban and rural areas
Body Configuration
- Insulated Platform: 1,050×750×1,000 mm FRP two-person insulated platform with 45 kV withstand inner lining, rain cover and anti-slip steps; engine start/stop and emergency stop controllable from the platform
- Boom Structure: Folding + telescopic hybrid boom with main boom, extension boom and insulated knuckle boom; optional insulated hydraulic winch hook; cylinder direct-drive extension with floating rollers protecting the insulation layer
- Control System: Three operating positions: platform, turntable and rear outrigger console; 3D multi-function joystick with fully hydraulic proportional stepless speed control for smooth, shock-free motion
- Hydraulic Core Components: Imported insulated hoses, Italian balance valves, domestic high-pressure hydraulic locks, French IP67 waterproof emergency stop switch; telescopic hoses protected in enclosed engineering cable carriers
- Insulation Core Design: Insulated boom of wet-wound insulation fiber with a 1.0–1.5 m extended insulation segment; whole unit withstands 45–95 kV dielectric testing, meeting 10–35 kV live-line maintenance standards
- Safety Devices: Upper/lower operation interlock, in-motion PTO interlock, cylinder anti-retraction, outrigger anti-retraction hydraulic locks, vehicle level sensor, emergency electro-hydraulic pump and multiple emergency stop buttons
- Outrigger System: Independent front and rear H-type hydraulic outriggers with automatic main/sub hydraulic leveling for anti-tip protection during work and fast outrigger deployment
- Storage: Large sealed tool boxes on both sides for insulated rods, voltage detectors, cable cutters and full electrical maintenance toolkits; anti-slip walkways and guardrails for safe access
- Applications: Live-line maintenance of 10–35 kV lines, substation equipment maintenance, road-lighting emergency repair, outdoor billboard installation and tall-tree trimming; the hybrid boom excels in dense, obstacle-rich work sites
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