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Anleitung John Deere, modell 644H

Hersteller: John Deere
Dateigröße: 3.49 mb
Dateiname: 644H.pdf
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Anleitung Zusammenfassung


in. (8.1 L) Rated power.................................................. .180 SAE net hp (134 kW) @ 2,200 rpm Peak power.................................................... .221 SAE net hp (165 kW) @ 1,600 rpm Net peak torque............................................. .755 lb-ft. (1020 Nm)@ 1,300 rpm Net torque rise............................................... .75% Net power bulge............................................. .23% Fuel system................................................... .high-pressure common rail Fuel consumption, typical............................... .4.3 to 7.5 gal./hr. (16.3 to 28.4 L7h) Fuel tank capacity.......................................... .100 gal. (379 L) Lube system.................................................. .full-flow spin-on filter and integral cooler Aspiration....................................................... .turbocharged, charge air cooled Air cleaner...................................................... .dual element dry type; restriction indicator for service Fan drive........................................................ .hydraulically driven, fan aft of coolers Airflow........................................................... .rearward Electrical system............................................ .24 volt with 55-amp alternator Batteries (two 12 volt).................................... 950 CCA; reserve capacity: 200 min. - standard /1,400 CCA; reserve capacity: 200 min. - optional Transmission Type............................................................... .countershaft-type power shift Converter....................................................... .single-stage, single-phase torque converter Shift control................................................... .electronically modulated, adaptive, load and speed dependent Operator interface.......................................... .steering column-mounted twist-grip shift lever, quick-shift button on hydraulic lever Shift modes.................................................... .auto/manual, auto to 1st or 2nd, kick down or kick up/down, three clutch cutoff settings Travel speeds* Forward Reverse Gear 1...................................................... ..4.6 mph (7.4 km/h) 4.9 mph (7.9 km/h) Gear 2...................................................... ..7.6 mph (12.2 km/h) 8.0 mph (12.8 km/h) Gear 3..................................................... ..14.7 mph (23.6 km/h) 15.5 mph (24.9 km/h) Gear 4..................................................... ..22.0 mph (35.4 km/h) •Equipped with 23.5 R 25 radial tires. Axlcs/Brakcs Final drives................................................... ..heavy-duty inboard planetary Differentials................................................... ..conventional front and rear - standard; hydraulic locking front, conventional rear - optional; dual locking front and rear - optional; limited slip front and rear - optional Rear axle oscillation, stop to stop.................. ..26 degrees Brakes (conform to SAE J1473, IS03450) Service brakes........................................ ..hydraulically actuated, inboard, carrier mounted, pressure oil cooled, self adjusting, multi disc Parking brake......................................... automatically spring applied, hydraulically released, oil cooled, multi disc Hydraulic System/Steering Pump (loader and steering)........................... ..variable-displacement, axial piston pump; closed-center, pressure-compensating system Maximum flow........................................ ..68 gpm (257 L/m) @ 1,000 psi (6895 kPa) and 2,200 rpm Pressure................................................. ..loader and steering relief 3,600 psi (24 850 kPa) Loader controls............................................. ..two-function valve; single- and dual-lever controls; control lever lockout feature; optional third- and fourth-function valve with auxiliary lever Hydraulic cycle times Raise...................................................... „6.2 sec. Dump...................................................... „1.4 sec. Lower..................................................... „3.0 sec. (float down) / 3.5 sec. (power down) Total........................................................ „10.6 sec. Maximum lift capacity with 4.25-cu. yd. (3.3 nf) stockpiling and general-purpose bucket with bolt-on cutting edge Lift at ground level.................................. ..34,1661b. (15 495 kg) Lift at maximum height........................... „20,226 lb. (9173 kg) 8 Hydraulic System/ Steering (continued) 644 H Steering (conforms to SAE J1511) Type........................................................ ...power, fully hydraulic Pressure ................................................ ...3,600 psl (24 850 kPa) relief Articulation angle................................... ...80-degree arc (40 degrees each direction) Turning radius (measured to centerline ...


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