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BELAZ 7555B | 60-66 tones
  • High-output, long life Cummins Engine
  • with low fuel consumption
  • 6-speed smooth shifting transmission
  • Hydrodynamic blade type retarder
  • Payload - 55tonnes (60.6 US tons)
  • Gross Weight - 95.2 tonnes
  • Heaped capacity - 34.2 m3
  • Gross power - 515 kW (700 hp)
Type 4 stroke, direct injection
Aspiration Twin-Turbocharged, Intercooled
Rated power @ 2100 rpm 515 kW (700 hp)
Maximum torque @ 1400 rpm 2731 Nm
No. of cylinders / configuration 6 in-line
Bore x Stroke 159 x 159 mm
Displacement 18.9 lit
Lubrication system Combined type with “wet” Cylinder liners force-lubrication by gear pump
Lubrication oil filter two-stage oil filtering: bypass oil filter and full-flow filter
Lubrication oil cooling Engine integrated oil cooler
Cooling system liquid type with forced circulation
Air cleaning Three-stage air cleaning filters with dry-type Elements plus cyclone pre-cleaners and visual dust indicators
Starting system Electric Starter
Electrical system 24 V
Hydromechanical transmission, three-shaft matching drive, complex one-stage torque converter with hydraulic coupling mode, four-shaft gearbox with friction clutches and electrohydraulic actuator for gearshift control, hydrodynamic blade type retarder. Automatic lock up in all forward ranges. Emergency gear shifting without automatic lock of torque converter. Auto-microprocessor control, protection system. Six speeds forward and one reverse. Max speed-55 km/h.
Gear ratios:
Speeds 1st 2nd 3rd 4th 5th 6th R1
Ratio 4.070 2.865 2.045 1.437 1.011 0.722 4.530
Steered front wheels , cross beam and longitudinal V-arm.
Wheel camber – 1 degree, caster – 6 degrees.
Drive rear axle, one-stage bevel gear final drive, bevel gear differential with four planet pinions, wheel reduction of planetary type with cylindrical spur gears.
Ratios: Differential ___ 2.730
Planetary ___ 7.620
Total ___ 20.80
Standard: 24.00-35 (E-4) PR 42
pneumatic tubeless tyres with rock pit tread pattern.
Quantity of wheels-6 (2 front and 4 rear)
Rim Degignation 17.00-35/3.5
Optional: 24.00R35 tubeless, radial, all-steel
Front and rear – conventional, hydropneumatic cylinders (nitrogen/oil), two for front axle and two for rear.
Suspension cylinder piston stroke Front and Rear 300mm
Hydraulic volumetric power steering by double acting steering cylinders with constant pressure supplied by piston pump. Steered front wheels. Emergency power source – electric motor.
Min Turning radius 9 m
Overall turning diameter 20.5 m
Steering System pressure 12.5 MPa
Service Dry single-disk, two calipers per disk, automatic slack adjustmet, two-circuit (front / rear)hydraulic actutation.
Parking Shoe-type constantly closed on driving shaft of final drive, spring actuated, pneumatically controlled.
Emergency Parking brake in combination with operational circuit of service brakes.
Auxiliary Hydro-dynamic retarder on driving shaft of gearbox electrohydraulically controlled, accelereted actuation.
Two telescopic two-stage body hoist cylinders with power down in the second stage. Body may be stopped in any position and locked in the up-right position for maintenance. Hydraulic system is combined for body dumping mechanism and steering system using gear pumps on the transmission.
Body raise / lower time 15 / 14 sec
Pressure in tipping system 16.5 MPa
Box section longitudinal variable height rails welded from high-tensile low-alloy steel with yield strength 460 MPa are interconnected by crossmembers. Integral front bumper. Steel castings as side rails and crossmembers connections.
Bucket V-type rock body, fully welded construction. ROPS protective canopy. Floor and side boards are made of high-strength abrasion-resistant steel. Rock ejectors, device for mechanical locking in raised position, exhaust gases heating.
Body capacity struck / heaped (2:1) 25.0 / 34.2 m3
Performance Data
Traction Performance Braking Performance
Vehicle gross weight. Vehicle gross weight.
Kg x 1000 Kg x 1000
Unladen, Kg x 1000 Unladen, Kg x 1000
Traveling Speed, km/h Traveling Speed, km/h
Standard Equipment
Fully adjustable torsion ally or Tachometer
air suspended operator’s seat Speedometer
Seat, passenger Brake pressure
Seat belt Amperemeter
Acoustic lining Voltmeter
Three-ply wind shield Hourmeter
Hardened side, rear windows WARNING SYSTEMS:
Windshield wiper and washer Pneumatic or electric horn
Fan and heater Front, tail and side turning indicators
Door locks Front, rear marker lamps
Sun visor Braking warning lights
Rear view mirrors Reverse movement alarm
Utility compartment  
Interior light LIGHTING:
Turning Two fog head lamps
Engine oil filters restriction Front and rear lights
Engine electric starting Reverse movement light
Parking brake Side turning lights
INDICATORS-ALARM: Number plate lighting
Brake pressure Engine compartment light
Engine oil pressure Portable lamp socket
Engine over-heating  
Engine oil temperature Body position indicator
Transmission oil temperature Rock ejectors
Engine oil pressure Tow points front and rear
Transmission oil pressure Fire Extinguisher
Fuel level  
Optional Equipment
Air conditioning system  
Central lubrication system  
Engine starting pre-heater  
24.00R35 tubeless, radial, all-steel tyres  
Increased body 56 m3 heaped (2:1)  
Tinted glasses  
Radio / cassette player  
Fire Suppression System  
Electronic Weighting System  
Weighs (Mass)
Payload capacity 55 tonnes (60.6 US tons)
Net weight 40.2 tonnes
Gross weight 95.2 tonnes
Weight distribution Front axle Rear axle
Empty 49% 51%
Loaded 33.0 % 67.0 %
Service Capacities
Fuel tank 800
Engine cooling system 130
Engine lube oil system 47
Hydromechanical transmission 90
Hydraulic system 300
Wheel drives 44 (22 x 2)
Suspension cylinders
Front 30 (15 x 2)
Rear 31.7 (15.85 x 2)
About Belaz

Belarusian Automobile Works (BELAZ) established in 1948 is a leading manufacturer of a broad range of high-quality, reliable and productive mining equipment. Total number of vehicles produced by BELAZ throughout its history exceeds 120 thousand units supplied to more than 50 nations. Nowadays BELAZ quarry machinery comprises around one third of the world fleet of mining dump trucks.

ZAGROS MACHINE Ltd. As the exclusive dealer of BELAZ on the territory of IRAN is glad to offer you mining dump trucks, wheel loaders, wheel dozers and other machinery for open-cast mining, construction, infrastructure and metallurgy industries. Modern technology, components with long service lives and mature design in combination with innovative technical solutions guarantee long-lasting, productive operation of BELAZ machinery.

Disclaimer: Specifications subject to change without notice. Illustrations shown may include optional equipment.
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