Volvo Buses
Singapore
Specifications for Volvo BZR
Electric coach chassis
Dimensions
| Model | 4x2 | 6x2 |
| Maximum chassis length | 9,500–13,260 mm | 12,480–14,960 mm |
| Bogie distance | – | 1,400 mm |
| Frame height at rear structure* | 1,560 mm | 1,560 mm |
| Transport wheelbase | 4,000 mm | 4,000 mm |
| Approved wheelbase | 4,450–7,400 mm | 5,500–7,400 mm |
| Front overhang | SWP1470: 2,150 mm
SWP1650: 2,330 mm SWP1820: 2,500 mm SWP2050: 2,730 mm | SWP1470: 2,150 mm
SWP1650: 2,330 mm SWP1820: 2,500 mm SWP2050: 2,730 mm |
| Rear overhang | 3,130 mm | 3,430 mm |
| Optional rear overhang | 2,900 mm 3,220 mm | 2,890 mm |
| Steering wheel position | 1,470 mm
1,650 mm 1,820 mm 2,050 mm | 1,470 mm
1,650 mm 1,820 mm 2,050 mm |
| Track, front* | 2,049 mm | 2,049 mm |
| Track, rear* | 1,834 mm | 1,834 mm |
| Overall width, front wheels or housing* | 2,500 mm | 2,500 mm |
| Overall width, rear wheels* | 2,480 mm | 2,480 mm |
| Approach angle (SWP2020)* | 11° | 11° |
| Departure angle* | 8° | 8° |
* Based on tyres: 295/80 R22.5, 8.25x22.5
Weights
| Model | 4x2 | 6x2 |
| Permitted GVW | 21,200 kg | 27,200 kg |
| Permitted front axle load | 8,200 kg | 8,200 kg |
| Permitted driving axle load | 13,000 kg | 11,500 kg |
| Permitted tag axle load | – | 5,750 kg 7,500 kg |
| Bogie axle load | – | 17,250 kg 19,000 kg |
Driver station
| Dashboard | Volvo dashboard or Limited dashboard, completed by body builder Dashboard moves with the steering column in height Available in Standard (fulfilling ISO16121) |
| Instrument cluster | Full dynamic cluster with 12.3" digital display Steering wheel buttons for easy access Integrated radio with Bluetooth mobile connection Automatic headlamp switch Charging information State of charge in % Remaining distance Power meter |
| Features | Tachograph Longer retarder stalk Prepared for alcolock Volvo Dynamic Steering Rain sensor |
Climate system
| Roof unit | Chassis prepared for various roof-mounted HVAC units from different suppliers (heating, ventilation and air conditioning, including heat pump functionality). |
| Auxiliary heater | Traction voltage heaters come preassembled on chassis (0–24 kW). |
Electric motor
EPT402 (1 motor)
Max 200 kW output
167 kW continuous power over 30 min
425 Nm max torque
20,900 Nm max wheel torque
Available for 4x2 only
EPT802 (2 motors)
Max 2x200 kW output
334 kW continuous power over 30 min
850 Nm max torque
33,500 Nm max wheel torque
Charging system
Volvo Opportunity Charging (OppCharge)
Max 450 kW charging power
Roof-mounted interface, installed above front axle for conductive charging
Fully automatic charging sequence
CCS DC
Max 250 kW charging power
Charging sockets at front or rear corners
European standard connector
Manual Connection
Volvo Ready to Run
Energy storage system
| Battery type | Lithium-ion, NCA |
| Voltage | 600 V |
| Number of battery packs | 4–6 (4x2) 5–8 (6x2) |
| Capacity (total energy) | 90 kWh/battery |
C-rate (maximum charge/discharge rate) | 0.9 |
| Approximate weight | 535 kg/battery |
Safety systems
| Active safety | Collision Warning with Emergency Brake (class 3) Collision Warning with City Brake (class 2) Forward Collision Warning (class 3) Adaptive Cruise Control (class 3) Intelligent Speed Assist Side Collision Avoidance Support Front Short Range Assist Lane Change Support Lane Keeping Support Driver Alert Support Tire Pressure Monitoring System Emergency Stop Signal |
| Driver support | I-Coaching Volvo Dynamic Steering Safety Zones Electronic Stability Control AVAS – Acoustic Vehicle Alerting System |
| Electric safety | ESS and driveline monitoring Active cooling and heating of batteries Robust mechanical protection of batteries Multilevel electrical protection Automatic shutdown at detected risks Hazardous Voltage Interlock Loop (HVIL) Battery monitoring Safety on cell and pack level (monitoring) Insulation isolation resistance monitoring Charging safety Workshop safety Mechanical protection E-info session Rescue sheet |
Transmission and axles
| Gearbox | Volvo 2-Speed automated manual transmission |
| Front axle | Volvo RFS |
| Front axle | Volvo RS1228C |
| Differential lock | Optional |
Steering and suspension
| Steering wheel side | LHD/RHD |
| Power steering | Electric driven hydraulic steering, Volvo Dynamic Steering |
| Kneeling | Optional |
| Air bellows, front | 2 |
| Air bellows, rear | 4 |
Cooling system
| Design | Electrically driven fans with improved speed control |
| Coolant filter | No coolant filter |
| Features | Thermal management system independent from climate system Coolant level warning in instrument cluster Automated control of battery temperature with energy-efficient 600V active cooling/heating system Electric driveline and auxiliaries cooling circuit Waste heat from the driveline circuit is used to heat the battery circuit through a heat exchanger |
Air and brake system
| Brakes | Volvo disc brakes |
| Braking systems | Electronic Braking System (EBS 5) Anti-lock Braking System (ABS) Anti Slip Regulation (ASR) Brake blending Hill Start Aid Door brake Brake Assist |
| Air system | Pneumatic system, easily accessible for external fill |
| Features | Brake temperature warning Automatic calibration after brake pad change Poor brake performance warning Lining wear sensing and analysis Wear indicator on brake pads |
Electrical system
| Consumer batteries | 2x12 V 2x140 Ah / 2x170 Ah |
Tyres and rims
| Tyres | 275/70 R22.5" 295/80 R22.5" 305/70 R22.5" 315/70 R22.5" |
| Rims | Steel or aluminium rims available 7.50x22.5" 8.25x22.5" 9.00x22.5" |
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