Basic Information
Model: Huanghai DD6129EV23 (黄海DD6129EV23)
Category: 12-meter Pure Electric Low-Entry/Step City Bus
Manufacturer: Huanghai Auto (丹东黄海)
Market Position: High-capacity urban transit solution
Dimensions & Weight
Length × Width × Height (mm): 12000 × 2550 × 3350/3470
Wheelbase (mm): 6100
Suspension: Full Air Suspension
Tire Specification: 275/70R22.5
Floor Configuration: Low-Entry or 2-Step (configurable)
Curb Weight (kg): 11,300/11,700 (variant-dependent)
GVWR (kg): 18,000
Body Structure: Full monocoque construction
Corrosion Protection: Cathodic electrocoating
Powertrain & Performance
Motor:
Model: TZ380XS28HH Permanent Magnet Synchronous Motor
Manufacturer: Huanghai-Dandong
Peak Power (kW): 240
Max Torque (N·m): 2,800
Top Speed: 69 km/h (electronically limited)
Gradeability: ≥15%
Battery System
Battery Brand: CATL (宁德时代)
Battery Capacity (kWh): 157.5
Range (km): 150 (under urban cycle conditions)
Battery Position: Rear underfloor + roof-mounted
Energy Consumption: ≈1.05 kWh/km
Passenger Capacity
Rated Capacity: 101/95 passengers (max/standard)
Seating Configuration: 22-46 seats (flexible layouts)
Standing Area: Optimized for high-density routes
Key Features
Dual Floor Options:
Low-entry front section (for improved accessibility)
2-step rear section (for structural flexibility)
Advanced Drivetrain:
Liquid-cooled motor system
Regenerative braking recovery efficiency ≥25%
Operational Flexibility:
Suitable for BRT applications
Dual-door/three-door configurations available
Safety Systems:
Electronic Stability Program (ESP)
Driver fatigue monitoring
Automatic fire suppression
Certifications & Compliance
Meets China GB/T 31498-2021 electric bus safety standards
Complies with urban public transport EN 15207 requirements
Eligible for Chinese NEV subsidies (Category: Large Pure Electric Bus)