BELAZ 7558 series mining dump trucks with payload capacity of 90 tonnes are designed for transportation of rocks in severe mining conditions of deep pits, at open-cast mining of mineral deposits on technological haul roads under various climatic operating conditions (ambient temperatures from -50 to +50 degrees Celsius).
Options with injection pumps and Common Rail fuel injection systems available.

BELAZ 7558 series

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BELAZ 7558 series
BELAZ 7558 series mining dump trucks with payload capacity of 90 tonnes are designed for transportation of rocks in severe mining conditions of deep pits, at open-cast mining of mineral deposits on technological haul roads under various climatic operating conditions (ambient temperatures from -50 to +50 degrees Celsius).
Options with injection pumps and Common Rail systems available.
BELAZ 75581 (Common Rail)
BELAZ 75583 (Injection Pump)
Gallery
Technical Data
Features
Engine
Diesel four-cycle engine with V-type cylinders arrangement, electronic control system, direct fuel injection, gas turbine charging and intermediate cooling of charged air.
Common Rail fuel injection system.
Rated Power @ 1900 rpm, kW (hp) - 783 (1050)
Number of cylinders - 12
Cylinders displacement, l - 37,8
Cylinder diameter, mm - 159
Piston stroke, mm - 159
Air cleaning is performed by three-stage filter with dry-type elements.
Exhaust gas expulsion is routed through dump truck body.
Circulation pressurized lubrication system with "wet" sump.
Single-loop fluid cooling system with forced circulation.
Oil cooling is performed through water-to-oil heat exchanger.
Fluid preheating system.
Starting system is actuated by electric starter.
Electric system voltage, V - 24
Transmission
АС electric drive with traction alternator, two traction electric motors, motor-in-wheel reduction gears, auxiliary electric machines, adjustment and control devices.
Motor-in-wheel reduction gear ratio - 30,36
Maximum travel speed km/h - 60
AC Drive model - KTE-90
Traction alternator - GST 700-8
Traction motor - TAD-9
Steering
Hydrostatic steering with steerable front wheels.
Steerable wheels turning angle, degrees - 38
Turning radius, m - 11
Overall turning diameter, m - 24
Steering meets the requirements of ISO 5010.
Suspension
Conventional suspension for front and rear wheels. Cylinders are pneumohydraulic (nitrogen and oil).
Cylinder piston stroke, mm
- front - 260
- rear - 210
Hydraulic system
Combined hydraulic system for body dumping gear, steering and brake actuator.
Bodylifting cylinders are telescopic and three-stage with опе stage of double action.
Bodylifting time, s - 19
Bodylowering time, s - 19
Maximum pressure in hydraulic system, МРа - 16,5
Maximum pump delivery@ 1900 rpm, dmЗ/min - 464
Filtering degree, mcm - 10
Tires
Pneumatic tubeless tires with quarry tread pattern.
Designation - 27.00R49 or 31/90-49
Inflation pressure, MPа - upon recommendation of tire producer
Rim designation - 19.50-49/4.0
Body
Bucket-type welded body with rops аnd heating by engiпе exhaust gases. Body is equipped with device for mechanical fixing in raised position, with rock-deflectors and rock-ejectors.
Body capacity, m3, struck (heaped 2:1):
Standard 37,7 (53,3)
Optional: 44,5 (60)
Optional: 75 (93)
Frame
High-strength low-alloyed steel welded frame with cast elements in places of maximumloadimg. Box-sectiom variable height side rails are interconnected bу cross-members.
Brakes
Braking system meets international safety requirements of ISO 3450 аnd consists of service, parking, auxiliary аnd emergency brakes.
Service brakes:
Front wheels - disk brake with two brake calipers per disk аnd automatic adjustment of gap in friction pair.
Rear wheels - disk brake with two brake gears per disk аnd automatic adjustment of gap in friction pair.
Brake disks are mounted оn shafts of traction electric motors.
Brake actuator is hydraulic аnd separate for front аnd rear wheels. Parking brake - constantly closed brake gears of rear wheels.
Spring actuation, hydraulic control.
Auxiliary brake - electrodynamic braking Bу traction electric motors in alternator mode with forced cooling of brake resistors.
Emergency brake - parking brake аnd operable circuit of service brakes are used.
Brake resistors - Grid Bох 2х600 of power 1200 kW

Cab
Two-seat two-door cab with air-sprung adjustabte seat for driver, additional seat for passenger аnd adjustabte steering column. The cab meets requirements of ROPS safety system аnd requirements of EN 474-1 аnd STB EN 474-6 standards for in-cab noise, vibration, concentration of harmful substances аnd dust In-cab noiselevel is nоt more than 80 dB(A).
Overall dimensions

Weight
Maximum payload capacity, kg - 90 000
Unladen weigh, kg - 75 000
Gross weight, kg - 165 000
Weight distribution оп axles, (front/rear), %:
Unloaded: 51/ 49
Loaded: 33 / 67
Refill capacities, l
Fuel tank: 1105
Engine cooling system: 380
Engine lubrication system: 140
Hydraulic system: 405
Motor-in-wheel reduction gears: 92 (46x2)
Suspension cylinders:
Front: 30.8 (15,4x2)
Rear: 58,6 (29,3x2)
Traction and braking performance
Technical Data
Features
Engine
Diesel four-cycle engine with V-type cylinders arrangement, electronic control system, direct fuel injection, gas turbine charging and intermediate cooling of charged air.
Injection pump fuel inkection system.
Rated Power @ 1900 rpm, kW (hp) - 1050 (783)
Number of cylinders - 12
Cylinders displacement, l - 37,8
Cylinder diameter, mm - 159
Piston stroke, mm - 159
Air cleaning is performed by three-stage filter with dry-type elements.
Exhaust gas expulsion is routed through dump truck body.
Circulation pressurized lubrication system with "wet" sump.
Single-loop fluid cooling system with forced circulation.
Oil cooling is performed through water-to-oil heat exchanger.
Fluid preheating system.
Starting system is actuated by electric starter.
Electric system voltage, V - 24
Transmission
АС electric drive with traction alternator, two traction electric motors, motor-in-wheel reduction gears, auxiliary electric machines, adjustment and control devices.
Motor-in-wheel reduction gear ratio - 30,36
Maximum travel speed km/h - 60
AC Drive model - KTE-90
Traction alternator - GST 700-8
Traction motor - TAD-9
Steering
Hydrostatic steering with steerable front wheels.
Steerable wheels turning angle, degrees - 38
Turning radius, m - 11
Overall turning diameter, m - 24
Steering meets the requirements of ISO 5010.
Suspension
Conventional suspension for front and rear wheels. Cylinders are pneumohydraulic (nitrogen and oil).
Cylinder piston stroke, mm
- front - 260
- rear - 210
Hydraulic system
Combined hydraulic system for body dumping gear, steering and brake actuator.
Bodylifting cylinders are telescopic and three-stage with опе stage of double action.
Bodylifting time, s - 19
Bodylowering time, s - 19
Maximum pressure in hydraulic system, МРа - 16,5
Maximum pump delivery@ 1900 rpm, dmЗ/min - 464
Filtering degree, mcm - 10
Tires
Pneumatic tubeless tires with quarry tread pattern.
Designation - 27.00R49 or 31/90-49
Inflation pressure, MPа - upon recommendation of tire producer
Rim designation - 19.50-49/4.0
Body
Bucket-type welded body with rops аnd heating by engiпе exhaust gases. Body is equipped with device for mechanical fixing in raised position, with rock-deflectors and rock-ejectors.
Body capacity, m3, struck (heaped 2:1):
Standard 37,7 (53,3)
Optional: 44,5 (60)
Optional: 75 (93)
Frame
High-strength low-alloyed steel welded frame with cast elements in places of maximumloadimg. Box-sectiom variable height side rails are interconnected bу cross-members.
Brakes
Braking system meets international safety requirements of ISO 3450 аnd consists of service, parking, auxiliary аnd emergency brakes.
Service brakes:
Front wheels - disk brake with two brake calipers per disk аnd automatic adjustment of gap in friction pair.
Rear wheels - disk brake with two brake gears per disk аnd automatic adjustment of gap in friction pair.
Brake disks are mounted оn shafts of traction electric motors.
Brake actuator is hydraulic аnd separate for front аnd rear wheels. Parking brake - constantly closed brake gears of rear wheels.
Spring actuation, hydraulic control.
Auxiliary brake - electrodynamic braking Bу traction electric motors in alternator mode with forced cooling of brake resistors.
Emergency brake - parking brake аnd operable circuit of service brakes are used.
Brake resistors - Grid Bох 2х600 of power 1200 kW

Cab
Two-seat two-door cab with air-sprung adjustabte seat for driver, additional seat for passenger аnd adjustabte steering column. The cab meets requirements of ROPS safety system аnd requirements of EN 474-1 аnd STB EN 474-6 standards for in-cab noise, vibration, concentration of harmful substances аnd dust In-cab noiselevel is nоt more than 80 dB(A).
Overall dimensions

Weight
Maximum payload capacity, kg - 90 000
Unladen weigh, kg - 75 000
Gross weight, kg - 165 000
Weight distribution оп axles, (front/rear), %:
Unloaded: 51/ 49
Loaded: 33 / 67
Refill capacities, l
Fuel tank: 1105
Engine cooling system: 380
Engine lubrication system: 140
Hydraulic system: 405
Motor-in-wheel reduction gears: 92 (46x2)
Suspension cylinders:
Front: 30.8 (15,4x2)
Rear: 58,6 (29,3x2)
Traction and braking performance
Standard equipment
  • Combined fire-fighting system with remote actuation
  • Starting preheater
  • Centralized lubrication system
  • Heating аnd conditioning unit
  • Fuel and loading control system
  • Video observation system
  • Telemetering tire pressure control system
  • High-voltageline attention device
Optional equipment:
  • Fettling of body floor