VOLVO B7R Mark II - Detailed Specifications

VOLVO B7R MARK II 2-AXLE, RFS, RHD

Dimensions and Weight : 

Overall dimensions : 

Wheelbase : 6200 mm

Overall Chasis Length : 12000 mm

Front Overhang : 2500 mm

Rear Overhang : 3150 mm

M Track, front : 2054 mm

N Track, rear : 1837 mm

K Overall width front wheels : 2350 mm

L Overall width rear wheels : 2475 mm

Weights : 

Permitted front axle load : 6000 kg

Permitted rear axle load : 10200 kg

Permitted GVW : 16200 kg

Driveline - Engine : 

Model : D7B 260 turbocharged intercooled 

Type : 6-cylinder, 4-stroke diesel with overhead valves and direct injection

Bore : 104.77 mm

Stroke : 130 mm

Displacement : 6.7 litres

Compression ratio : 18:1

Power Output @2200 rpm :260 HP (191 KW)

Torque @1300 rpm : 112 kpm (1100 Nm)

Fuel Tank : 

Fuel tank capacity Standard : 300 lts

Clutch : 

Model : 6S-1380BD

Pull type single dry disc KFD116B.

Power assisted clutch control gives low pedal pressure

Diameter : 400 mm

Total friction area : 1753 cm square

Driveline - Transmission 

Model : ZF 6S-1380BD

Mechanical 6 speed fully sychronized with Voith Retarder 120
1st gear : 6.98:1
2nd gear : 4.06:1
3rd gear : 2.74:1
4th gear : 1.89:1
5th gear : 1.31:1
6th gear : 1.00:1
Reverse : 6.43:1

Driveline - Rear Axles and Tyres

Rear Axle : Single reduction
Ratio : 4.11:1
Maximum Speed, km/h : 103

Tyres :

10 Stud steel disc wheels. Dual driving axle wheels
Rims : 8.25" x 22.5"
Tyres : 295/80R22.5"
Number of wheels : 6+1 (Spare)

Suspension and Steering :

Rigid front axle suspension :
Air Bellows : Front - 2 , Rear - 4
Levelling Valves : Front - 1, Rear - 2

Stabilizer : On both front and rear axle

Shock Absorbers :
Double-acting, hydraulic telescopic shock absorbers, two front, two rear.

Steering Gear :
Power Steering of ball and nut type with built-in servo unit. Approx 4.5 full turns lock to lock
Ratio : 20.1:1
Max wheel angle : 50 degree
Steering wheel diameter : 500 mm

Air and Brake System :

Service Brakes :
Air brakes with separate circuits for front and rear wheels. Added with special features like Airdrier, Automatic brake adjustment, Asbestos free brake pads, etc

Brake disc diameter :
Front : 434 mm
Rear : 434 mm

Friction Area :
Front axle disc brake : 2 x 200 cm square
Rear axle disc brake : 2 x 200 cm square

Brake system operating pressure : 7.1 - 8.3 kp/cm square
Compressor capacity at 8 bar and Engine speed 2200 cm square : 530

Handbrake : Air Operated spring Brake acting directly on the rear wheels.

Standard fitment : Hydraulic Retarder RET120

Vehicle Structure : 

Longitudinal member consists of channel sections. Superstructure mounting brackets at front part of chasis.

Frame width :
Front : 850 mm
Rear : 862 mm

Web Height, constant : 230 mm
Flange width : 77 mm
Thickness : 6 mm

Electrical  System

Number of batteries : 2
Voltage : 24 V
Battery Capacity : 165 Ah
Alternators max output : 80/2x80/2x110 A
Starter Motor : 4.5 KW (5.5 HP)