Technical data, Engine, Electric drive system – Liebherr T 264 User Manual

Page 16: Braking systems, Steering, Dump system

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16

T 264

Technical Data

Engine

Model

_____________________________

Cummins QSK 60*

Gross horsepower @

1,900 rpm **

____________________

1,864 kW / 2,500 HP

No. of cylinders

_______________

16

Displacement

__________________

60 l / 3,661 in

3

Wet weight

______________________

8,750 kg / 18,893 lb

Crankcase

______________________

260 l / 68.8 gal

Cooling system

_______________

757 l / 200 gal

* Standard engine setting is USA/EPA Tier 2 compliant in emission-optimized (EO)

mode. Fuel-optimized mode (FO) is optional for non-emission regulated countries.

** Gross power definition according to SAE J 1995 standard conditions.

Model

_____________________________

MTU 16V4000 C23R*

Gross horsepower @

1,800 rpm **

____________________

2,013 kW / 2,700 HP

No. of cylinders

_______________

16

Displacement

__________________

76.3 l / 4,656 in

3

Wet weight

______________________

8,844 kg / 19,498 lb

Crankcase

______________________

300 l / 79.3 gal

Cooling system

_______________

833 l / 220 gal

* Standard engine setting is USA/EPA Tier 2 compliant in emission-optimized (EO)

mode. Fuel-optimized mode (FO) is optional for non-emission regulated countries.

** Gross power definition according to ISO 3046 (ratings also correspond to

SAE J 1995 standard conditions)

Consult factory for other engine options

Electric Drive System

Control System

_______________

Liebherr Litronic Plus AC drive system with

IGBT technology

Control box

_____________________

Liquid cooled power components, pressu-

rized cabinet

Traction control

______________

Litronic Plus traction control system,

Computer controlled in propel and dynamic

braking, forward and reverse, all wheel

speed sensing

Main alternator

________________

AC brushless, direct drive, forced air

cooling

Wheel motors

_________________

Litronic Plus AC induction motors, forced

air cooling

Gear ratio

_______________________

Standard 32.4 to 1 gear ratio (64 km/h /

40 mph)

Cooling system

_______________

Variable speed AC motor with twin impeller

radial cooling fans

Braking Systems

Electric dynamic braking, forced air over quiet stainless steel resistor

grids with dry disc service and secondary braking system.

Electric dynamic braking

__

Max: 3,300 kW / 4,425 HP

Full dynamic braking down to zero. Single-

pedal, automatic brake blending with ser-

vice brakes from 0.8 km/hr / 0.5 mph to

zero

Dynamic braking

speed control

__________________

Operator adjustable, automatically limits

truck speed on downhill grade when set

Adjustable speed limits

____

Automatic speed limits for empty and

loaded truck adjustable for site require-

ments

Traction control

_______________

Litronic Plus traction control system.

Computer controlled in propel and dynamic

braking, forward and reverse, all-wheel

speed sensing

Service brakes front

_________

Outboard single disc, wheel speed, four

calipers per wheel

Service brakes rear

__________

Single disc per side, two calipers per disc,

armature speed

Hydraulic accumulators

____

Separate piston type accumulators:

Front Brake Supply (1 x 27 l / 7.1 gal )

Front Brake Pilot (1 x 4 l / 1 gal)

Rear Brake Supply (1 x 7.6 l / 2 gal)

Rear Brake Pilot (1 x 4 l / 1 gal)

Pump control (7.6 l / 2 gal)

Park brakes

_____________________

Spring applied, pressure released, two

calipers per each rear disc

Filtration

_________________________

Cleanliness level ISO 15/13/11

Steering

Ackermann center point lever system, full hydraulic power steering

with accumulator safety backup. Isolated from dump hydraulic system.

Two double-acting hydraulic cylinders.

Hydraulic accumulator

_____

2 x 88 l / 23.2 gal (Piston type)

Filtration

_________________________

Cleanliness level ISO 15/13/11

Turning radius (ISO 7457) –

Tire centerline

__________________

15.0 m / 49' 2"

Vehicle clearance radius

(ISO 5010)

_______________________

16.5 m / 54' 2"

Dump System

Two double-stage, double-acting hoist cylinders with inter-stage and

end cushioning in both directions. Electronic joystick with integrated

engine high-idle switch and full modulating control in both extend and

retract.

Dump angle

____________________

49° (45° with optional kick-out switch)

Cycle times

_____________________

20 seconds – Power Extend “Power Up”

11 seconds – Power Retract “Power Down”

14 seconds – Retract to Frame

Remote dump

_________________

Quick disconnects for external power

dumping (buddy dump) accessible from

ground level

Filtration

_________________________

Cleanliness level ISO 15/13/11

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