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JOHN DEERE - CRAWLER EXCAVATORS



JOHN DEERE 850D LC




TECHNICAL DATA AND PHOTOS



Type: Large crawler hydraulic excavator.

Model: 850D LC

Manufacturer: JOHN DEERE


ENGINE:
Model: Isuzu AH-6WG1XYSA-03
Type: Diesel, four-cycle engine
Aspiration: turbocharged, air-to-air charge air cooler
Net Rated Power, SAE: 397 kW (532 hp) at 1800 rpm
Displacement: 15.681 liters (957 cu in)
Number of cylinders: 6
Off-level capacity: 70% (35 deg.)
Non-road emission standards: EPA Tier 3 emissions


ELECTRICAL SYSTEM:

Voltage: 24 V
Alternator: 50 A
Batteries: 2 x 12 V, reserve capacity 280 min.
Work Lights: 4 (one mounted on frame, one mounted on boom, 2 mounted on top of cab)


HYDRAULIC SYSTEM:

Open center, load sensing; in-cab mode selectors, illuminated: 3 power modes; 2 travel modes; 2 work modes.
Main pumps: 2 variable-displacement pumps
Maximum flow: 2 x 528 liters/min (2 x 139 gpm)

Pilot pump: 1 gear
Maximum rated flow: 30 liters/m (7.9 gpm)
System relief pressure: 3900 kPa (566 psi)

System operating pressure:
Implement circuits: 31 900 kPa (4,627 psi)
Travel circuits: 34 300 kPa (4,975 psi)
Swing circuits: 29 400 kPa (4,264 psi)
Power boost: 34 300 kPa (4,975 psi)

Controls: pilot levers, short stroke, low effort; hydraulic pilot controls with shutoff lever

HYDRAULIC CYLINDERS:

Boom:
Number of cylinders: 2
Bore: 215 mm (8.5 in)
Rod diameter: 150 mm (5.9 in)
Stroke: 1835 mm (72.2 in)

Arm:
Number of cylinders: 1
Bore: 225 mm (8.9 in)
Rod diameter: 160 mm (6.3 in)
Stroke: 2225 mm (87.6 in)

Bucket:
Number of cylinders: 1
Bore: 200 mm (7.9 in)
Rod diameter: 140 mm (5.5 in)
Stroke: 1555 mm (61.2 in)


FLUID CAPACITIES:

Cooling system: 81.4 liters (21.5 gal)
Engine oil with filter: 52.6 liters (13.9 gal)
Hydraulic system 790 liters (208.7 gal)
Hydraulic tank: 520.5 liters (137.5 gal)
Swing bearing gear: 22 liters (5.8 gal) Swing drive: 12.3 liters (13 qt)
Propel gearbox (each): 15.1 liters (16 qt)
Pump drive gearbox: 3.8 liters (4 qt) Fuel tank: 1120 liters (296 gal)


UNDERCARRIAGE:

Track chain sealed and lubricated; planetary final drives with axial piston motors.
Carrier rollers (each side): 3
Track rollers (each side): 9
Shoes, double-bar grouser (each side): 51
Track guides: front and center
Track adjustment: hydraulic
Drawbar pull: 57 240 kg (126,193 lb)


SHOES AND GROUND PRESSURE:

700 mm (28-in) double-bar grouser shoes: 111.0 kPa (16.1 psi)
800 mm (32-in) double-bar grouser shoes: 96.5 kPa. (14.0 psi)
900 mm (36-in) double-bar grouser shoes: 81.4 kPa. (11.8 psi)


OPERATING WEIGHT:
With full fuel tank; 175-lb. (79 kg) operator; 4.57-cu.-yd. (3.49 m3) bucket; 14-ft. 5-in. (4.5 m) arm; 36-in. (900 mm) double-bar grouser shoes and 29,321-lb. (13 300 kg) counterweight.
Operating weight SAE: 84 312 kg (185,876 lb)


TRAVEL SPEED:

Low: 3.1 km/h (1.9 mph)
High: 4.1 km/h (2.5 mph)


SWING MECHANISM:

Swing speed: 7.3 rpm
Swing torque: 247 250 Nm (182,362 lb-ft)


DIMENSIONS:

Tail swing radius: 4.52 m (14 ft 10 in)
Cab height: 3.63 m (11 ft 11 in)
Undercarriage length: 6.35 m (20 ft 10 in)
Distance between idler/sprocket centerline: 5.11 m (16 ft 9 in)
Upperstructure width: 4.11 m (13 ft 6 in)
900 mm (36-in) double-bar grouser shoes:
Width, operating position: 4.34 m (14 ft 3 in)
Width, transport position: 3.73 m (12 ft 3 in)
900 mm (36-in) double-bar grouser shoes:
Gauge, operating position: 3.45 m (11 ft 4 in)
Gauge, transport position: 2.82 m (9 ft 3 in)
Ground clearance: 890 mm (35 in)
Counterweight clearance: 1.68 m (5 ft 6 in)


DIMENSIONS:

With Arm Length 3.7 m (12 ft 5 in):

Overall height: 4.57 m (15 ft 0 in)
Overall length: 14.78 mm (48 ft 6 in)

DIMENSIONS:

With Arm Length 4.4 m (14 ft 5 in):

Overall height: 4.81 m (15 ft 9 in)
Overall length: 14.83 mm (48 ft 8 in)

DIMENSIONS:

With Arm Length 5.4 m (17 ft 9 in):

Overall height: 5.64 m (18 ft 6 in)
Overall length: 14.61 mm (47 ft 11 in)

DIMENSIONS:

With Arm Length 2.95 m (9 ft 8 in) Mass-Excavating Arm and Mass-Excavating Boom:

Overall height: 5.21 m (17 ft 1 in)
Overall length: 13.51 mm (44 ft 4 in)


WORKING RANGES:

Boom 8.4 m (27 ft 7 in)
Arm 3.7 m (12 ft 2 in)
Maximum reach: 14.10 m (46 ft 3 in)
Maximum reach at ground level: 13.82 m (45 ft 4 in)
Maximum digging depth: 8.87 m (29 ft 1 in)
Maximum cutting height: 13.03 m (42 ft 9 in)
Maximum dumping height: 9.08 m (29 ft 9 in)
Maximum vertical wall: 7.17 m (23 ft 6 in)
Arm force: 315 kN (70,808 lb)
Bucket digging force: 359 kN (80,699 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 25 266 kg (55,702 lb)
Digging forces and lift capacities with power boost.


WORKING RANGES:

Boom 8.4 m (27 ft 7 in)
Arm 4.4 m (14 ft 5 in)
Maximum reach: 14.91 m (48 ft 11 in)
Maximum reach at ground level: 14.64 m (48 ft 0 in)
Maximum digging depth: 9.57 m (31 ft 5 in)
Maximum cutting height: 13.82 m (45 ft 4 in)
Maximum dumping height: 9.73 m (31 ft 11 in)
Maximum vertical wall: 8.48 m (27 ft 10 in)
Arm force: 277 kN (62,272 lb)
Bucket digging force: 362 kN (81,381 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 24 721 kg (54,500 lb)
Digging forces and lift capacities with power boost.


WORKING RANGES:

Boom 8.4 m (27 ft 7 in)
Arm 5.4 m (17 ft 9 in)
Maximum reach: 15.91 m (52 ft 2 in)
Maximum reach at ground level: 15.67 m (51 ft 5 in)
Maximum digging depth: 10.57 m (34 ft 8 in)
Maximum cutting height: 14.53 m (47 ft 8 in)
Maximum dumping height: 10.41 m (34 ft 2 in)
Maximum vertical wall: 9.75 m (32 ft 0 in)
Arm force: 239 kN (53,724 lb)
Bucket digging force: 289 kN (64,964 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 23 360 kg (51,500 lb)
Digging forces and lift capacities with power boost.


WORKING RANGES:

Boom 7.1 m (23 ft 4 in) Mass-Excavating
Arm 2.95 m (9 ft 8 in)
Maximum reach: 12.34 m (40 ft 6 in)
Maximum reach at ground level: 12.02 m (39 ft 5 in)
Maximum digging depth: 7.14 m (23 ft 5 in)
Maximum cutting height: 12.01 m (39 ft 5 in)
Maximum dumping height: 8.13 m (26 ft 8 in)
Maximum vertical wall: 4.10 m (13 ft 5 in)
Arm force: 378 kN (84,970 lb)
Bucket digging force: 411 kN (92,388 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 25 628 kg (56,500 lb)
Digging forces and lift capacities with power boost.


WORKING RANGES:

Boom 10.0 m (32 ft 10 in)
Arm 4.4 m (14 ft 5 in)
Maximum reach: 16.55 m (54 ft 4 in)
Maximum reach at ground level: 16.32 m (53 ft 7 in)
Maximum digging depth: 11.16 m (36 ft 7 in)
Maximum cutting height: 14.66 m (48 ft 1 in)
Maximum dumping height: 10.81 m (35 ft 6 in)
Maximum vertical wall: 9.87 m (32 ft 5 in)
Arm force: 273 kN (61,373 lb)
Bucket digging force: 359 kN (80,706 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 19 251 kg (42,442 lb)
Digging forces and lift capacities with power boost.


WORKING RANGES:

Boom 10.0 m (32 ft 10 in)
Arm 5.4 m (17 ft 9 in)
Maximum reach: 17.56 m (57 ft 7 in)
Maximum reach at ground level: 17.34 m (56 ft 11 in)
Maximum digging depth: 12.16 m (39 ft 11 in)
Maximum cutting height: 15.34 m (50 ft 4 in)
Maximum dumping height: 11.26 m (36 ft 11 in)
Maximum vertical wall: 11.34 m (37 ft 2 in)
Arm force: 239 kN (53,729 lb)
Bucket digging force: 289 kN (64,970 lb)
Lifting capacity over front at ground level 7.6 m (25 ft) reach: 22 602 kg (49,828 lb)
Digging forces and lift capacities with power boost.


BUCKETS:
Capacities are SAE heaped ratings with side cutters.
Heavy duty high capacity: 2.09 m3 (2.7 cu yd) - 5.63 m3 (7.4 cu yd)
High capacity dirt: 5.81 m3 (7.6 cu yd)
Heavy duty: 1.51 m3 (2.0 cu yd) - 2.95 m3 (3.9 cu yd)
Truck loading: 4.21 m3 (5.5 cu yd) - 4.63 m3 (6.0 cu yd)


JOHN DEERE 850D LC hydraulic excavator
JOHN DEERE 850D LC hydraulic excavator.
Photo location: Oregon, USA.
Taken on: 10 April 2014
Author of the photo: Oregon Department of Transportation
License : (CC BY 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under the photo.


Earthmoving
Earthmoving.
Scooping dirt on Fern Valley Interchange project.
$72 million Fern Valley (Phoenix) interchange project, south of Medford is under way. Contractor Hamilton Construction is busy excavating and building an embankment.
Photo location: Oregon, USA.
Taken on: 10 April 2014
Author of the photo: Oregon Department of Transportation
License : (CC BY 2.0)





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