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JOHN DEERE - CRAWLER EXCAVATORS



JOHN DEERE 50D




TECHNICAL DATA AND PHOTOS



Type: Small crawler hydraulic excavator.

Model: 50D

Manufacturer: JOHN DEERE


ENGINE:

Model: Yanmar 4TNV88
Type: Diesel, four-cycle engine.
Net power (ISO 9249): 28.4 kW (38.1 hp) at 2,400 rpm
Displacement: 2190 cm3 (134 cu in)
Number of cylinders: 4
Cooling: liquid cooled
Engine emissions: EPA Interim Tier 4, EU Stage IIIB Low noise and vibration.


FLUID CAPACITIES:

Cooling system 6.5 liters (6.9 qt)
Engine oil with filter: 8.6 liters (9.1 qt)
Hydraulic tank: 50 liters (13.2 gal)
Fuel tank capacity: 70 liters (18.5 gal)


HYDRAULIC SYSTEM:

Closed center load sensing with 1 variable-displacement pump and 1 fixed-gear pump.
Controls: Hydraulic pilot-operated for boom, arm, bucket, swing, boom swing, blade and travel.
Pump flow: 124.9 liters/m (33.0 gpm)
Auxiliary flow: 85.2 liters/m (22.5 gpm)


UNDERCARRIAGE:

2-speed axial-piston propel motors.
Tracks, rubber: 406 mm (16 in)
Each track independently driven by hydrostatic axial-piston motor connected to 2-stage planetary gear-reduction box


TRAVEL SPEED:

Low: 2.6 km/h (1.7 mph)
High: 4.2 km/h (2.7 mph)


SWING MECHANISM:

Swing speed: 9.0 rpm
Swing brake: Spring applied, hydraulically released, automatic.


UPPERSTRUCTURE:

Independent swing boom:
Left: 80 deg
Right: 60 deg
Counterweight:
Standard: 660 kg (1,455 lb)
Additional: 220 kg (485 lb)


DIMENSIONS:

Overall height to roof:
Canopy: 2.51 m (8 ft 3 in)
Cab: 2.51 m (8 ft 3 in)
Engine cover height: 1.51 m (4 ft 11 in)
Track width: 400 mm (16 in)
Upperstructure width: 1.85 m (6 ft 1 in)
Undercarriage width: 2.00 m (6 ft 7 in)
Ground clearance: 340 mm (13.4 in)
Counterweight clearance: 610 mm (24 in)
Length to center of rollers: 1.99 m (6 ft 6 in)
Track length: 2.50 m (8 ft 2 in)
Tail swing radius:
Standard arm with standard counterweight: 1.00 m (3 ft 3 in)
Long arm with extra counterweight: 1.08 m (3 ft 7 in)
Blade:
Blade width: 2.00 m (6 ft 7 in)
Blade height: 430 mm (17 in)
Maximum blade lift above ground: 430 mm (16.9 in)
Maximum blade drop below ground: 335 mm (13.2 in)


OPERATING RANGES:
With 1.38 m (4 ft 6 in) standard arm, canopy, and standard counterweight:
Maximum digging depth: 3.55 m (11 ft 8 in)
Maximum digging reach: 5.94 m (19 ft 6 in)
Maximum digging height: 5.76 m (18 ft 11 in)
Maximum dumping height: 4.08 m (13 ft 5 in)
Transport length: 5.46 m (17 ft 11 in)
Minimum front swing radius: 2.15 m (7 ft 1 in)
Breakout force:
Arm: 24.0 kN (5,401 lb)
Bucket: 36.8 kN (8,273 lb)

OPERATING RANGES:
With 1.38 m (4 ft 6 in) standard arm, cab, and standard counterweight:
Maximum digging depth: 3.55 m (11 ft 8 in)
Maximum digging reach: 5.94 m (19 ft 6 in)
Maximum digging height: 5.63 m (18 ft 6 in)
Maximum dumping height: 3.96 m (13 ft 0 in)
Transport length: 5.46 m (17 ft 11 in)
Minimum front swing radius: 2.32 m (7 ft 7 in)
Breakout force:
Arm: 24.0 kN (5,401 lb)
Bucket: 36.8 kN (8,273 lb)

OPERATING RANGES:
With 1.69 m (5 ft 7 in) long arm, canopy, and extra counterweight:
Maximum digging depth: 3.86 m (12 ft 8 in)
Maximum digging reach: 6.24 m (20 ft 6 in)
Maximum digging height: 4.33 m (14 ft 2 in)
Maximum dumping height: 4.33 m (14 ft 2 in)
Transport length: 5.52 m (18 ft 1 in)
Minimum front swing radius: 2.26 m (7 ft 5 in)
Breakout force:
Arm: 21.0 kN (4,718 lb)
Bucket: 38.6 kN (8,273 lb)

OPERATING RANGES:
With 1.69 m (5 ft 7 in) long arm, cab, and extra counterweight:
Maximum digging depth: 3.86 m (12 ft 8 in)
Maximum digging reach: 6.24 m (20 ft 6 in)
Maximum digging height: 5.87 m (19 ft 3 in)
Maximum dumping height: 4.20 m (13 ft 9 in)
Transport length: 5.52 m (18 ft 1 in)
Minimum front swing radius: 2.32 m (7 ft 7 in)
Breakout force:
Arm: 21.0 kN (4,718 lb)
Bucket: 38.6 kN (8,273 lb)


OPERATING WEIGHT AND GROUND PRESSURE:
With 1.38 m (4 ft 6 in) standard arm, canopy, standard counterweight, rubber tracks 406 mm (16 in), full fuel tank and 79 kg (175 lb) operator:
Operating weight: 4904 kg (10,811 lb)
Ground pressure: 28.0 kPa (4.06 psi)

OPERATING WEIGHT AND GROUND PRESSURE:
With 1.38 m (4 ft 6 in) standard arm, cab, standard counterweight, rubber tracks 406 mm (16 in), full fuel tank and 79 kg (175 lb) operator:
Operating weight: 5064 kg (11,164 lb.)
Ground pressure: 28.0 kPa (4.06 psi)

OPERATING WEIGHT AND GROUND PRESSURE:
With 1.69 m (5 ft 7 in) long arm, canopy, extra counterweight, rubber tracks 406 mm (16 in), full fuel tank and 79 kg (175 lb) operator:
Operating weight: 5153 kg (11,360 lb)
Ground pressure: 30.9 kPa (4.49 psi)

OPERATING WEIGHT AND GROUND PRESSURE:
With 1.69 m (5 ft 7 in) long arm, cab, extra counterweight, rubber tracks 406 mm (16 in), full fuel tank and 79 kg (175 lb) operator:
Operating weight: 5313 kg (11,712 lb)
Ground pressure: 30.9 kPa (4.49 psi)


JOHN DEERE 50D small excavator.
JOHN DEERE 50D small excavator.
Washington Street reconstruction, Iowa City, IA, USA.
Taken on: 17 October 2016
Size of the photo: 2466 x 1605 pixels, 3,36 MB.
Author of the photo: Alan Light
License : (CC BY 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under the photo.


JOHN DEERE 50D small excavator on the street.
JOHN DEERE 50D small excavator on the street.
Washington Street reconstruction, Iowa City, IA, USA.
Taken on: 17 October 2016
Size of the photo: 5472 x 3648 pixels, 17,2 MB.
Camera model: Sony DSC-RX100
Author of the photo: Alan Light
License : (CC BY 2.0)





JOHN DEERE - CRAWLER EXCAVATORS



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