Basic machine, Engine, Travel drive / control – Liebherr LR 614 Litronic User Manual
Page 2: Track frame, Operator’s cab, Hydraulic equipment, Loader cycle times, Noise emission

2
LR 614 Litronic
Basic machine
Engine
John Deere
4045HF289
Diesel engine
emission regulations according to 97/68/EC,
2004/26/EC Stage IIIA and EPA/CARB Tier 3
Net power (ISO 9249)
72 kW / 98 HP
Net power (SAE J1349) 72 kW / 97 HP
Engine rating
2,200 rpm
Displacement
4,5 l / 275 in³
Bore/stroke
106 mm / 127 mm (4.17 in / 5.00 in)
Design
low emission water-cooled 4 cylinders in-
line, 2 valve cylinder head, turbo charger, air-
to-air after cooler, electronic engine control,
steel pistons, 2 countershafts, cold starting
aid automatically with heat flange
Fuel system
Common Rail direct injection system
Lubrication
pressurized lube system, engine lubrication
guaranteed for intermittent inclination up to
35°, 30° in duration
Operating voltage
24 V
Alternator
55 A, Heavy-Duty version
Starter
7.0 kW
Battery
2 x 100 Ah / 12 V
Air cleaner
dry-type air cleaner with air-restriction indica-
tor, main and safety elements, air intake with
rain cap
Cooling system
combination cooler with three cooling units
for cooling water, intake charge air and
hydraulic oil
Cooling fan
hydrostatically driven, thermostatically
controlled
Travel drive / control
Drive system
closed-loop infinitely variable hydrostatic
travel drive powered by two axial piston
variable displacement pumps and two axial
piston 2 positions-displacement motors in
swash-plate design, each track is driven
indepedently from each other
Travel speed
infinitely variable electronic-controlled travel
speed
Speed range 1: 0–6.1 km/h / 0–3.6 mph (work)
Speed range 2: 0–9.5 km/h / 0–5.9 mph (travel)
Litronic-System
electronic engine speed sensing control
(load-sensing feature) automatically adjusts
travel speed and drawbar pull to match
changing load conditions
Steering
hydrostatic, unlimited maneuverability for full
power turns and counterrotation
Service brake
hydrostatic, dynamic braking effect from
travel drive system
Parking/
multi-disc brake, wear-free, automatically
emergency brake
applied with neutral joystick position
Cooling system
hydraulic oil single unit built in combination
cooler
Filter system
micro cartridge filters in cooling circuit
Final drive
3 phase heavy duty spur gear
Control
single-lever travel control for all travel and
steering motions, as well as for counterrotation
Track frame
Chains
sealed and lubricated, track chain tension via
grease tensioner and hydraulic cylinder
Chain links
38 each side
Sprocket
screwed drive wheel
Track rollers
6 each side
Carrier roller
1 each side
Track shoes standard
457 mm / 18”, double grouser
Track shoes optional
508 mm / 20”, double grouser
Grouser height
42.5 mm / 1.67 in
Mount
inelastic track roller frame
Operator’s cab
Heater and
pressurized, with fresh air intake and recircu-
air conditioner
lation air filter, 8 louvered vents for all temper-
ature controlled cab’s areas
ROPS/FOPS cab
integral Rollover Protective Structure accord-
ing to EN ISO 3471 and Falling Objects Pro-
tective Structure according to EN ISO 3449
Operator’s seat
adjustable, suspended seat adjustable to
operator’s weight, fabric seat cover
Monitoring System
combination of analog and digital instrument
panel: LC-Display with scroll key for fuel con-
sumption, battery voltage, service codes; auto-
matic monitoring from operating pressures,
temperatures and fill levels; hour meter gauge
Tilting system
40° tiltable to the rear with hydraulic hand pump
Hydraulic equipment
Hydraulic system
open-center load sensing
Pump type
gear type pump
Pump flow max.
115 l/min / 30.4 US gpm
Pressure limitation
230 bar / 3,335 psi
Filter system
return filter
Control
single-lever implement control for all bucket
functions, with magnetic detent functions for
float position as well as for automatic bucket
positioner
Loader cycle times
Lifting
6.4 s
Bucket dumping
1.9 s
Lowering
1
3.1 s
Total cycle time²
8.5 s
1
Float position and empty bucket,
2
Lifting and dumping together
Noise emission
Operator sound exposure L
pA
= 80 dB(A)
(ISO 6396)
(emission at the operator’s position)
Exterior sound pressure L
wA
= 107 dB(A)
(2000/14/EC)
(emission in the environment)