Volvo Buses

SMT

Specifications for the Volvo B8R

The Volvo B8R is a highly versatile high-floor bus chassis, available with two or three axles, and multiple engine options and emission classes.

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Floor configuration

High floor

Fuel type

Diesel

HVO

Biodiesel (B100)

Engine output

320 or 350 hp

Permitted GVW

19.500 kg

Dimensions

A

Overall length

10.520-13.220 mm (steering wheel position 1,650 mm)

10.690-13.390 mm (steering wheel position 1,820 mm)

10.920-13.620 mm (steering wheel position 2,050 mm)

Overall width, front wheels or housing

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.500 mm

N

Overall width, rear wheels

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.480 mm

C

Frame height

1.618 mm

Approved wheelbase

5.000-7.700 mm

D

Transport wheelbase

3.250 mm

G

Front overhang

2.330 mm (steering wheel position 1,650 mm)

2.500 mm (steering wheel position 1,820 mm)

2.730 mm (steering wheel position 2,050 mm)

H

Rear overhang

3.190 mm

S

Steering wheel position

1.650 mm

1.820 mm

2.050 mm

I

Track, front

2.049 mm

K

Track, rear

1.834 mm

Weights

Permitted gross vehicle weight (GVW)

19,500 kg kg

Permitted front axle load

7.500 kg

Permitted rear axle load

12.000 kg

Driver station

Dashboard

Cluster and controls transit mounted

Available with Volvo dashboard

Instrument cluster

Speedometer

Turbo and oil pressure

Indicators

Warning lamps

Features

Steering wheel buttons for easy access

Integrated radio with bluetooth mobile connection

Automatic headlamp switch

Rain sensor

Tachograph

Data logging

Prepared for alcolock

Volvo Dynamic Steering

Engine

Engines

TEST ENGINE

Fuel tanks

Fuel efficiency features

Dynamic Chassis Lowering Automatically lowering the chassis at speeds over 80 km/h, improves aerodynamics and saves fuel, with maintained passenger comfort.
Volvo Acceleration Limiter Volvo Acceleration Limiter adapts the torque to the topography and mimics the driving style of a trained eco-driver to optimise energy efficiency.
ISO Flow IsoFlow saves fuel by restricting the amount of injected fuel at higher rpm, ensuring that only the necessary power is delivered during acceleration.

Safety systems

Active safety

Collision Warning with Emergency Brake

Collision Warning with City Brake

Forward Collision Warning

Cruise Control

Adaptive Cruise Control

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

Gearbox

Voith D864.6 The Voith D864.6 is a hydrodynamic automatic transmission, designed for city buses, featuring Stop-Start technology and hydraulic retardation.
ZF EcoLife 6 AP 1420 B 6-speed fully automatic power shift transmission for city and intercity bus applications. Supports engine torque up to 1,400 Nm.
Volvo I-Shift AT2412G 12-speed mechanical gearbox with an automatic gear changing system for coach and intercity operations.

Axles

Front axle

Rigid Front Suspension A conventional rigid front axle with integrated steering. It features a traditional cost-efficient solid axle design, suitable for buses requiring robust suspension with reliable handling and durability.

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Hydraulic power steering

Max wheel angle

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Features

Volvo Dynamic Steering Real-time computing of driver actions and road data, using an electric actuator to assist the hydraulic steering system for increased stability.

Exhaust system

Design

One box muffler design

Exhaust aftertreatment

Diesel Oxidation Catalyst (DOC)

Diesel Particulate Filter (DPF)

Selective Catalytic Reduction (SCR)

Ammonia Slip Catalyst (ASC)

Exhaust Gas Recirculation (EGR)

Features

Automatic regeneration of DPF without driver involvement under normal conditions

On Board Diagnostic (OBD) for emissions, according to step E of emission regulations

Cooling system

Design

Pivotable radiator to ease access for maintenance

Coolant filter

No coolant filter

Features

Coolant level warning in instrument cluster

Higher allowed coolant temperature for better cooling performance and lower fuel consumption

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Acceleration Slip Regulation (ASR)

Brake blending

Hill Start Aid

Door brake

Brake Assist

Drag torque control

Dual retarder control

Air system

Pneumatic system, easily filled from external circuit

Cut-in pressure 9.5 bar

Cut-out pressure 10.8 bar

Features

Automatic calibration after brake pad change

Brake temperature warning

Poor brake performance warning

Lining wear sensing and analysis

Electrical system

Starter batteries

2 x 12 V

Consumer batteries

2 x 12 V

105 Ah

Alternators

Load balanced alternators

Start system

Volvo I-Start Dual battery system with two separate circuits, to increase engine start capability and battery lifetime.

Features

Automatic shut off of main switch at low voltage level

Regenerative charge control to increase fuel efficiency

Wheels and Tyres

Floor configuration

High floor

Fuel type

Diesel

HVO

Biodiesel (B100)

Engine output

320 or 350 hp

Permitted GVW

26.500 kg

Dimensions

A

Overall length

12.220-14.620 mm (steering wheel position 1,650 mm)

12.390-14.790 mm (steering wheel position 1,820 mm)

12.620-15.020 mm (steering wheel position 2,050 mm)

L

Overall width, front wheels or housing

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.500 mm

N

Overall width, rear wheels

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.500 mm

C

Frame height

Measured at rear structure with 295/80R22.5" tyres, and 8.25"x22.5" rims

1.618 mm

Approved wheelbase

5.000-7.400 mm

D

Transport wheelbase

4.000 mm

B

Bogie distance

1.400 mm

G

Front overhang

2.330 mm (steering wheel position 1,650 mm)

2.500 mm (steering wheel position 1,820 mm)

2.730 mm (steering wheel position 2,050 mm)

H

Rear overhang

3.490 mm

S

Steering wheel position

1.650 mm

1.820 mm

2.050 mm

I

Track, front

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.049 mm

K

Track, rear

With 295/80R22.5" tyres, and 8.25"x22.5" rims

1.834 mm

Weights

Permitted gross vehicle weight (GVW)

24,750 kg (bogie load 17,250 kg) kg

26,500 kg (bogie load 19,000 kg) kg

Permitted front axle load

7.500 kg

Permitted rear axle load

11.500 kg

Permitted tag axle load

5,750 kg (bogie load 17,250 kg) kg

7,500 kg (bogie load 19,000 kg) kg

Permitted bogie load

17,250 kg kg

19,000 kg kg

Driver station

Dashboard

Cluster and controls transit mounted

Available with Volvo dashboard

Instrument cluster

Speedometer

Turbo and oil pressure

Indicators

Warning lamps

Features

Steering wheel buttons for easy access

Integrated radio with bluetooth mobile connection

Automatic headlamp switch

Rain sensor

Tachograph

Data logging

Prepared for alcolock

Volvo Dynamic Steering

Fuel tanks

Fuel efficiency features

Dynamic Chassis Lowering Automatically lowering the chassis at speeds over 80 km/h, improves aerodynamics and saves fuel, with maintained passenger comfort.
Volvo Acceleration Limiter Volvo Acceleration Limiter adapts the torque to the topography and mimics the driving style of a trained eco-driver to optimise energy efficiency.
ISO Flow IsoFlow saves fuel by restricting the amount of injected fuel at higher rpm, ensuring that only the necessary power is delivered during acceleration.

Safety systems

Active safety

Collision Warning with Emergency Brake

Collision Warning with City Brake

Forward Collision Warning

Cruise Control

Adaptive Cruise Control

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

Gearbox

Gearbox

ZF EcoLife 6 AP 1420 B 6-speed fully automatic power shift transmission for city and intercity bus applications. Supports engine torque up to 1,400 Nm.
Volvo I-Shift AT2412G 12-speed mechanical gearbox with an automatic gear changing system for coach and intercity operations.

Axles

Front axle

Rigid Front Suspension A conventional rigid front axle with integrated steering. It features a traditional cost-efficient solid axle design, suitable for buses requiring robust suspension with reliable handling and durability.

Tag axle

Hydraulic steered/Fixed

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Hydraulic power steering

Max wheel angle

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Air bellows, tag axle

2

Features

Volvo Dynamic Steering Real-time computing of driver actions and road data, using an electric actuator to assist the hydraulic steering system for increased stability.

Exhaust system

Design

One box muffler design

Exhaust aftertreatment

Diesel Oxidation Catalyst (DOC)

Diesel Particulate Filter (DPF)

Selective Catalytic Reduction (SCR)

Ammonia Slip Catalyst (ASC)

Exhaust Gas Recirculation (EGR)

Features

Automatic regeneration of DPF without driver involvement under normal conditions

On Board Diagnostic (OBD) for emissions, according to step E of emission regulations

Cooling system

Design

Pivotable radiator to ease access for maintenance

Coolant filter

No coolant filter

Features

Coolant level warning in instrument cluster

Higher allowed coolant temperature for better cooling performance and lower fuel consumption

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Acceleration Slip Regulation (ASR)

Brake blending

Hill Start Aid

Door brake

Brake Assist

Drag torque control

Dual retarder control

Air system

Pneumatic system, easily filled from external circuit

Cut-in pressure 9.5 bar

Cut-out pressure 10.8 bar

Features

Automatic calibration after brake pad change

Brake temperature warning

Poor brake performance warning

Lining wear sensing and analysis

Electrical system

Starter batteries

2 x 12 V

105 Ah

Consumer batteries

2 x 12 V

Alternators

Load balanced alternators

Start system

Volvo I-Start Dual battery system with two separate circuits, to increase engine start capability and battery lifetime.

Features

Automatic shut off of main switch at low voltage level

Regenerative charge control to increase fuel efficiency

Wheels and Tyres

Floor configuration

High floor

Fuel type

Diesel

Engine output

250 hp or 330 hp

Permitted GVW

19.500 kg

Dimensions

A

Overall length

10.003-12.903 mm (steering wheel position 1,650 mm)

10.173-13.073 mm (steering wheel position 1,820 mm)

Overall width, front wheels or housing

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.364 mm

N

Overall width, rear wheels

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.436 mm

Frame height

1.786 mm

Approved wheelbase

4.500-7.400 mm

D

Transport wheelbase

3.250 mm

G

Front overhang

2.330 mm (steering wheel position 1,650 mm)

2.500 mm (steering wheel position 1,820 mm)

H

Rear overhang

3.193 mm

Steering wheel position

1.650 mm

1.820 mm

I

Track, front

2.049 mm

K

Track, rear

1.834 mm

Weights

Permitted gross vehicle weight (GVW)

19,500 kg kg

Permitted front axle load

7.500 kg

Permitted rear axle load

12.000 kg

Driver station

Dashboard

Cluster and controls transit mounted

Available with Volvo dashboard

Instrument cluster

Speedometer

Turbo and oil pressure

Indicators

Warning lamps

Features

Steering wheel buttons for easy access

Integrated radio with bluetooth mobile connection

Automatic headlamp switch

Rain sensor

Tachograph

Data logging

Prepared for alcolock

Volvo Dynamic Steering

Fuel tanks

Fuel efficiency features

Dynamic Chassis Lowering Automatically lowering the chassis at speeds over 80 km/h, improves aerodynamics and saves fuel, with maintained passenger comfort.
Volvo Acceleration Limiter Volvo Acceleration Limiter adapts the torque to the topography and mimics the driving style of a trained eco-driver to optimise energy efficiency.
ISO Flow IsoFlow saves fuel by restricting the amount of injected fuel at higher rpm, ensuring that only the necessary power is delivered during acceleration.

Safety systems

Active safety

Forward Collision Warning

Cruise Control

Intelligent Speed Assist

Side Collision Avoidance Support

Front Short Range Assist

Lane Change Support

Driver Alert Support

Tire Pressure Monitoring System

Emergency Stop Signal

Driver support

I-Coaching

Safety Zones

Electronic Stability Control

Gearbox

ZF EcoLife 6 AP 1420 B 6-speed fully automatic power shift transmission for city and intercity bus applications. Supports engine torque up to 1,400 Nm.
ZF ST 1306 B 6-speed manual synchronised transmission, with integrated retarder, for city and intercity bus applications. Handles engine torque up to 1,300 Nm.
Voith D854.6 The Voith D854.6 is a hydrodynamic automatic transmission, designed for city buses, featuring Stop-Start technology and hydraulic retardation.

Axles

Front axle

Rigid Front Suspension A conventional rigid front axle with integrated steering. It features a traditional cost-efficient solid axle design, suitable for buses requiring robust suspension with reliable handling and durability.

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Hydraulic power steering

Max wheel angle

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Exhaust system

Design

One box muffler design

Exhaust aftertreatment

Selective Catalytic Reduction (SCR)

Exhaust Gas Recirculation (EGR)

Cooling system

Design

Fluid cooled

Coolant filter

No coolant filter

Features

Pressurised cooling system

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Acceleration Slip Regulation (ASR)

Separate circuits for front and rear wheels

Brake blending

Hill Start Aid

Door brake

Brake Assist

Drag torque control

Dual retarder control

Air system

Pneumatic system, easily filled from external circuit

Features

Automatic calibration after brake pad change

Brake temperature warning

Poor brake performance warning

Lining wear sensing and analysis

Electrical system

Starter batteries

2 x 12 V

Consumer batteries

2 x 12 V

105 Ah consumer batteries capacity

Alternators

Load balanced alternators

Start system

Volvo I-Start Dual battery system with two separate circuits, to increase engine start capability and battery lifetime.

Features

Automatic shut off of main switch at low voltage level

Regenerative charge control to increase fuel efficiency

Wheels and Tyres

Floor configuration

High floor

Fuel type

Diesel

Engine output

330 hp

Permitted GVW

19.500 kg

Dimensions

A

Overall length

10.003-12.903 mm (steering wheel position 1,650 mm)

10.173-13.073 mm (steering wheel position 1,820 mm)

Overall width, front wheels or housing

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.364 mm

N

Overall width, rear wheels

With 295/80R22.5" tyres, and 8.25"x22.5" rims

2.436 mm

Frame height

1.786 mm

Approved wheelbase

4.500-7.400 mm

D

Transport wheelbase

3.250 mm

G

Front overhang

2.330 mm (steering wheel position 1,650 mm)

2.500 mm (steering wheel position 1,820 mm)

H

Rear overhang

3.193 mm

Steering wheel position

1.650 mm

1.820 mm

I

Track, front

2.049 mm

K

Track, rear

1.848 mm

Weights

Permitted gross vehicle weight (GVW)

19,500 kg kg

Permitted front axle load

7.500 kg

Permitted rear axle load

12.000 kg

Driver station

Dashboard

Cluster and controls transit mounted

Available with Volvo dashboard

Instrument cluster

Speedometer

Turbo and oil pressure

Indicators

Warning lamps

Features

Steering wheel buttons for easy access

Integrated radio with bluetooth mobile connection

Automatic headlamp switch

Rain sensor

Tachograph

Data logging

Prepared for alcolock

Volvo Dynamic Steering

Fuel tanks

Fuel efficiency features

Dynamic Chassis Lowering Automatically lowering the chassis at speeds over 80 km/h, improves aerodynamics and saves fuel, with maintained passenger comfort.
Volvo Acceleration Limiter Volvo Acceleration Limiter adapts the torque to the topography and mimics the driving style of a trained eco-driver to optimise energy efficiency.
ISO Flow IsoFlow saves fuel by restricting the amount of injected fuel at higher rpm, ensuring that only the necessary power is delivered during acceleration.

Safety systems

Active safety

Forward Collision Warning

Cruise Control

Intelligent Speed Assist

Side Collision Avoidance Support

Front Short Range Assist

Lane Change Support

Driver Alert Support

Tire Pressure Monitoring System

Emergency Stop Signal

Driver support

I-Coaching

Safety Zones

Electronic Stability Control

Gearbox

ZF EcoLife 6 AP 1420 B 6-speed fully automatic power shift transmission for city and intercity bus applications. Supports engine torque up to 1,400 Nm.
ZF ST 1306 B 6-speed manual synchronised transmission, with integrated retarder, for city and intercity bus applications. Handles engine torque up to 1,300 Nm.
Voith D854.6 The Voith D854.6 is a hydrodynamic automatic transmission, designed for city buses, featuring Stop-Start technology and hydraulic retardation.

Axles

Front axle

Rigid Front Suspension A conventional rigid front axle with integrated steering. It features a traditional cost-efficient solid axle design, suitable for buses requiring robust suspension with reliable handling and durability.

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Hydraulic power steering

Max wheel angle

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Exhaust system

Design

One box muffler design

Exhaust aftertreatment

Exhaust Gas Recirculation (EGR)

Cooling system

Design

Fluid cooled

Coolant filter

No coolant filter

Features

Pressurised cooling system

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Acceleration Slip Regulation (ASR)

Separate circuits for front and rear wheels

Brake blending

Hill Start Aid

Door brake

Brake Assist

Drag torque control

Dual retarder control

Air system

Pneumatic system, easily filled from external circuit

Features

Automatic calibration after brake pad change

Brake temperature warning

Poor brake performance warning

Lining wear sensing and analysis

Electrical system

Starter batteries

2 x 12 V

Consumer batteries

2 x 12 V

105 Ah consumer batteries capacity

Alternators

Load balanced alternators

Start system

Volvo I-Start Dual battery system with two separate circuits, to increase engine start capability and battery lifetime.

Features

Automatic shut off of main switch at low voltage level

Regenerative charge control to increase fuel efficiency

Wheels and Tyres

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