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SPECIFICATIONS
SERIES II LOADERS
655C-II 755C-II
Engine 655C-II 755C-II
Type..........................................................................Liebherr D 924 T-EA1 water-cooled and turbocharged Liebherr D 926 T-EA2 water-cooled, turbocharged, and
diesel; Tier II emissions compliant intercooled diesel; Tier II emissions compliant
Rated power..............................................................130 SAE net hp (97 kW) @ 2,000 rpm per ISO 9249 177 SAE net hp (132 kW) @ 1,800 rpm per DIN/ISO 3046
Cylinders (wet sleeve) ...............................................4 6
Displacement ............................................................409 cu. in. (6.7 L) 610 cu. in. (10.0 L)
Fuel consumption, typical..........................................3.2 to 5.5 gal./hr. (12 to 21 L/h) 4.2 to 7.4 gal./hr. (16 to 28 L/h)
Maximum net torque .................................................450 lb.-ft. (610 Nm) @ 1,200 rpm 678 lb.-ft. (920 Nm) @ 1,000 rpm
Lubrication ................................................................pressure system with full-flow spin-on filter and integrated pressure system with full-flow spin-on filter and integrated
oil-to-water cooler oil-to-water cooler
Air cleaner.................................................................dual stage dry type with safety element and aspirated pre- dual stage dry type with safety element and aspirated pre-
cleaner, with dash-mounted restriction indicator cleaner, with dash-mounted restriction indicator
Electrical system .......................................................24 volt with 55-amp alternator 24 volt with 55-amp alternator
Cooling fan................................................................blower-type, viscous drive blower-type, viscous drive
Cold-starting aid........................................................flame-glow intake air heater flame-glow intake air heater
Transmission 655C-II / 755C-II
Dual-path, electronic-controlled, closed-loop hydrostatic drive; load-sensing feature automatically adjusts speed and power to match changing load conditions; each individual
track is powered by a variable displacement pump and motor combination; single V-pattern lever controls speed and direction; ground speed (forward and reverse) infinite
to 6.8 mph (11 km/h); decelerator pedal permits speed reduction from 6.8 mph (11 km/h) to holding; two working ranges; maximum speed-range control button located
on dash; maximum speed in range is selected by F-N-R lever position
Travel speeds (infinitely variable)
Forward and reverse speed ranges
Low speed range ..........................................0 to 4.0 mph (0 to 6.5 km/h)
High speed range..........................................0 to 6.8 mph (0 to 11 km/h)
Final Drives
Heavy-duty double-reduction planetary final drives protected and integrated into the track roller frame with the hydraulic drive motor
Steering
Fully modulated, infinitely variable, pedal steering allows for full power turns and counterrotation; infinitely variable track speeds provide unlimited maneuverability and optimum
control; hydrostatic steering eliminates steering clutches and brakes
Brakes
Hydrostatic (dynamic) braking stops the machine whenever the direction-control lever is moved to neutral or whenever the combined decelerator/brake pedal is fully depressed
Automatic Park Brake
Exclusive park brake feature engages wet, multiple-disc brakes whenever the engine stops, whenever the combined decelerator/brake pedal is fully depressed, whenever the
park lock lever is placed in the start position, whenever the park brake button is pushed on the dash, whenever the F-N-R control is in the neutral position for more than
seven seconds, or whenever machine motion is sensed with F-N-R in neutral position; machine cannot be driven with brake applied, reducing wear out or need for adjustment
Hydraulic System 655C-II 755C-II
System......................................................................load sensing load sensing
Pressure, system relief..............................................3,770 psi (26 000 kPa) 3,770 psi (26 000 kPa)
Pump type.................................................................variable-displacement piston pump with load-sensing variable-displacement piston pump with load-sensing
proportional pump flow control proportional pump flow control
Flow..........................................................................41 gpm (156 L/min.) @ 2,100 rpm 55 gpm (209 L/min.) @ 1,900 rpm
Filter, return oil..........................................................20 micron and 5 micron with magnetic particle attractors 20 micron and 5 micron with magnetic particle attractors
Control ......................................................................single joystick lever single joystick lever
Cylinders ...................................................................heat-treated, chrome-plated, polished cylinder rods with heat-treated, chrome-plated, polished cylinder rods with
hardened steel pivot pins and replaceable bushings hardened steel pivot pins and replaceable bushings
Hydraulic/transmission cooling..................................oil-to-air heater exchanger oil-to-air heater exchanger
Loader cycle times
Lifting..................................................................6.5 sec. 6.5 sec.
Lowering.............................................................2.1 sec. 2.1 sec.
Bucket dump.......................................................1.5 sec. 1.5 sec.
Capacities (U.S.)
Fuel tank with lockable cap (12-hr. typical usage)......69 gal. (260 L) 84.5 gal. (320 L)
Cooling system with recovery tank............................18 gal. (68 L) 15.3 gal. (58 L)
Engine oil including spin-on filter ..............................5.3 gal. (20 L) 5.8 gal. (22 L)
Hydraulic/hydrostatic reservoir with filter...................34 gal. (130 L) 46.2 gal. (175 L)
Splitter drive..............................................................2.6 qt. (2.5 L) 3 qt. (2.8 L)
Final drive (each).......................................................8.9 qt. (8.5 L) 18 qt. (17 L)
All power train and hydraulic systems allow for up to 45-degree maximum operation.
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CONSTRUCTION EQUIPMENT
CONSTRUCTION EQUIPMENT