Liebherr T 284 - Manual (Page 16)

16 T 284
Technical Data
Engine
Model _____________________________ MTU 20V4000 C23 Tier 2*
Gross horsepower @
1,800 rpm** ______________________ 3,000 kW / 4,023 HP***
No. of cylinders _______________ 20
Displacement __________________ 95.4 l / 5,822 in 3
Wet weight ______________________ 12,020 kg / 26,500 lb
Crankcase ______________________ 335 l / 88 gal
Cooling system _______________ 1,060 l / 280 gal
* Standard engine setting is USA/EPA Tier 2 compliant in emission-optimized (EO)
mode. Fuel-optimized (FO) mode is optional for non-emission regulated countries
** Gross power definition according to ISO 3046 (ratings also correspond to
SAE J 1995 standard conditions)
*** Optional 2.800 kW / 3,750 HP engine power setting. Consult factory for additional
reduced engine power settings.
Model _____________________________ MTU 20V4000 C22 Tier 1*
Gross horsepower @
1,800 rpm** ______________________ 2,720 kW / 3,648 HP
No. of cylinders _______________ 20
Displacement __________________ 90 l / 5,490 in³
Wet weight ______________________ 10,480 kg / 23,100 lb
Crankcase ______________________ 390 l / 103 gal
Cooling system _______________ 870 l / 230 gal
* Standard engine setting is USA/EPA Tier 1 compliant.
** Gross power definition according to ISO 3046 (ratings also correspond to
SAE J 1995 standard conditions)
Model _____________________________ Cummins QSK 78
Gross horsepower @
1,900 rpm* _______________________ 2,610 kW / 3,500 HP
No. of cylinders _______________ 18
Displacement __________________ 78 l / 4,735 in 3
Wet weight ______________________ 11,300 kg / 24,912 lb
Crankcase ______________________ 295 l / 78 gal
Cooling system _______________ 721 l / 191 gal
* Gross power definition according to SAE J 1995 standard conditions
Electric Drive System
Control System _______________ Liebherr Litronic Plus AC drive system with
IGBT technology
Control box _____________________ Liquid cooled power components,
pressurized cabinet
Main alternator ________________ AC brushless, direct drive, forced air
cooling
Wheel motors __________________ Litronic Plus AC induction motors, forced
air cooling
Maximum speed* _____________ 54 km/h / 34 mph (with 43.7:1 gear ratio)
64 km/h / 40 mph (with 37.33:1 gear ratio)
45 km/h / 28 mph (with 53.33:1 gear ratio)
Cooling system _______________ Variable speed AC motor with twin impeller
radial cooling fans
* consult factory for proper selection of gear ratio based on site requirements
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: 4,500 kW / 6,035 HP
Full dynamic braking down to zero. Single
pedal automatic brake blending with
service brakes below 1 km/hr.
Dynamic braking
speed control __________________ Operator adjustable, automatically limits
truck speed on downhill grade when set
Adjustable speed limits ____ Automatic speed limits for empty and loa-
ded truck adjustable for site requirements
Traction control _______________ Litronic Plus traction control system.
computer controlled in propel and dynamic
braking, forward and reverse, all-wheel
speed sensing
Service brakes front _________ Single disc, wheel speed, five calipers per
wheel
Service brakes rear __________ Dual discs per side, one caliper per disc,
armature speed
Hydraulic accumulators ____ 2 x 7.6 l / 2 gal, separate isolated accumu-
lator for front and rear axle (piston type)
Park brakes _____________________ Spring applied, pressure released, one
caliper 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 _____ 170 l / 45 gal (piston type)
Filtration _________________________ Cleanliness level ISO 15/13/11
Turning radius (ISO 7457) –
Tire centerline __________________ 17.2 m / 56' 5"
Vehicle clearance radius ___ 19.95 m / 65' 5"
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 _____________________ 56 secs
Remote dump _________________ Quick disconnects for external power
dumping (buddy dump) accessible from
ground level
Filtration _________________________ High pressure and return line filtration.
Cleanliness level ISO 18/16/13