valutazioni - 3, GPA: 4.7
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Facilità d'uso
. . . . . . . . . . . . . . . . . . . . . . . . . Liebherr D 936-L A6 Non-Road Emission Standards . . . . . . . . . . . . . . . . . . . . . certified to EPA Tier 3 emissions Cylinders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in-line 6 Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 641 cu. in. (10.5 L) Net Power (ISO9249). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 hp (184 kW) @ 1,600 rpm Net Peak Torque (ISO9249) . . . . . . . . . . . . . . . . . . . . . . . . 937 lb.-ft. (1270 Nm) @ 1,400 rpm Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . intercooled and turbocharged diesel; engine air dual-stage precleaner with debris screen; alternator air prescreener Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pressure system with full-flow spin-on filter and integrated oil-to-water cooler Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dual stage dry type with safety element and aspirated precleaner, with in-cab restriction indicator Cold-Starting Aid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . intake-mounted air-inlet heater Slope Operation (maximum angle) . . . . . . . . . . . . . . . . . . 45 deg. Cooling Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . suction-type cooling fan, front mounted, thermostatically controlled; hydrostatically driven with automatic reverser set on timer every 30 minutes (run time 30 seconds) and manual switch; perforated engine side shields and heavy-duty front grille with tilt hose protection Engine Radiator and Charge Air Cooler . . . . . . . . . . . . . . . 5 fins per in. Engine Coolant Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . –34 deg. F (–37 deg. C) Hydraulic/Transmission Cooling. . . . . . . . . . . . . . . . . . . . . oil-to-air heat exchanger with hydrostatically driven, thermostatically controlled cooling fan with auto fan reversing system Hydrostatic Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 fins per in. Powertrain Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . automatic dual-path, 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; speed-ingrip with fingertip speed control; infinite speed control; decelerator pedal controls ground speed to stop; dealer selectable transmission operating parameters; transmission diagnostic test ports Maximum Speeds (forward and reverse). . . . . . . . . . . 6.8 mph (11 km/h) Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . single-lever steering, direction control, and counterrotation; full power turns and infinitely variable track speeds provide unlimited maneuverability and optimum control Final Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . double-reduction planetary final drives mounted independent of track frame and dozer push frame for isolation from shock loads; the hydraulic drive motors are mounted to the mainframe; final drives are double sealed with electronic seal-integrity indicator; bolt-on final-drive seal guards Drawbar Pull. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82,055 lb. (365 kN) @ .09 mph (1.5 km/h) Service Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . hydrostatic (dynamic) braking stops the machine whenever the direction/steering control lever is moved to neutral or whenever the combined decelerator/brake pedal is fully depressed Parking Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . exclusive park brake feature engages wet, multiple-disc brakes whenever the engine stops, the combined decelerator/ brake pedal is fully depressed, the park lock lever is placed in the park position, the emergency travel stop button is depressed on the dash, the F-N-R control is in the neutral position for more than 7 seconds, or 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 Hydraulics Load-sensing proportional pump-flow control, variable-displacement axial-piston pump Pump Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 gpm (258 L/min.) @ 1,600 rpm System Relief Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,770 psi (26 000 kPa) Filter, Return Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 micron with 5-micron bypass filter Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . single joystick lever Electrical Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 volt Number of Batteries . . . . . . ...