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O&K - CRAWLER EXCAVATORS



O&K RH120C



Technical Data and Photos




Manufacturer: O&K (Orenstein & Koppel)

Model: RH120C


Type: Large crawler hydraulic excavator - mass excavator.

The RH120C was first introduced in 1983.


ENGINE

Two engines Cummins KTA 19-C600
Type: In-line, six-cylinders, water cooled diesel engine.
Aspiration type: Turbocharged and aftercooled.
Fuel system: Direct injection.
Total power: 834 kW (1138 BHP) at 1900 rpm
Displacement: 2 x 19 L (1160 cu in)
Number of cylinders: 2 x 6
Bore: 159 mm (6.3 in)
Stroke: 159 mm (7.3 in)



ELECTRICAL SYSTEM

Voltage: 24 V
Batteries: 4 x 170 Ah 2 x 12 V


HYDRAULIC SYSTEM

Hydraulic power: 775 kW (1054 PS)

Work pumps flow rate: 2000 L (528 US gal)
Working pressure: 30 MPa (300 bar)

Swivel pumps delivery rate: 800 L (211 US gal)
Working pressure: 37 MPa (370 bar)

Hydraulics oil, total capacity: cca 3000 L (793 US gal)


FUEL CONSUMPTION

Fuel consumption: cca 150 - 160 L/h (40 - 42 US gal/h)


FUEL TANK

Fuel tank capacity: 3500 L (925 US gal)


DIMENSIONS (Base mahine without arm.)

Overall length: 9750 mm (393.9 in)
Overall width: 6400 mm (252 in)
Tail swing radius: 6000 mm (236.2 in)
Pivot to counterweight: 5800 mm (228.3 in)
Counterweight clearance: 2310 mm (90.9 in)
Height to top of counterweight: 4550 mm (179.1 in)


UNDERCARRIAGE

Track length on ground: 5720 mm (225.2 in)
Track length: 7500 mm (293.3 in)
Track width with 800 mm (31.5 in) shoes: 5600 mm (220.5 in)
Track width with 1000 mm (39.4 in) shoes: 5800 mm (228.4 in)
Track width with 1200 mm (47.2 in) shoes: 6000 mm (236.2 in)
Ground clearance: 1150 mm (45.3 in)


OPERATION WEIGHTS

Operation weight with 800 mm shoes: 213 690 kg (471,105 lb)
Operation weight with 1000 mm shoes: 215 890 kg (475,955 lb)
Operation weight with 1200 mm shoes: 218 890 kg (482,570 lb


TRACK SHOES AND GROUND PRESSURES

Shoes 800 mm (31.5 in): 2,10 kp/cm2
Shoes 1000 mm (39.4 in): 1,70 kp/cm2
Shoes 1200 mm (47.2 in): 1,44 kp/cm2


BUCKETS

Bucket capacity - geometric / SAE / number of teeth:
14 m3 (18.3 cu ya) / 18 m3 (23.5 cu ya) / 0
11.6 m3 (15.2 cu ya) / 15 m3 (19.6 cu ya) / 7
9.4 m3 (12.3 cu ya) / 12 m3 (15.7 cu ya) / 6
7.0 m3 (9.2 cu ya) / 9 m3 (11.8 cu ya) / 5
4.65 m3 (6.1 cu ya) / 6 m3 (7.8 cu ya) / 5
3.3 m3 (4.3 cu ya) / 4 m3 (5.2 cu ya) / 4


O&K RH120C
O&K RH120C
UK Coal - Cutacre Opencast.
Taken on: 29 March 2009
Size of the photo: 1920 x 1080, 1.19 MB
Author of the photo: b3tarev3


O&K RH120C large crawler hydraulic excavator
O&K RH120C large crawler hydraulic excavator.
UK Coal - Cutacre Opencast.
Taken on: 29 March 2009
Size of the photo: 2256 x 1496, 1.29 MB
Author of the photo: b3tarev3


O&K RH 120 C large crawler hydraulic excavator
O&K RH120C large crawler hydraulic excavator.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 1920 x 1080, 1.39 MB
Author of the photo: Mark Tighe (2009), Creative Commons


O&K RH 120 C crawler hydraulic excavator
O&K RH120C crawler hydraulic excavator.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 2000 x 1333, 2.05 MB
Author of the photo: Mark Tighe (2009), Creative Commons


O&K RH120C crawler hydraulic excavator
O&K RH120C crawler hydraulic excavator.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 1333 x 2000, 1.78 MB
Author of the photo: Mark Tighe (2009), Creative Commons


O&K RH 120 C excavator
O&K RH120C excavator.
UK Coal - Cutacre Opencast.
Taken on: 27 June 2010
Size of the photo: 3216 x 2136, 1.78 MB
Camera model: NIKON D90
Author of the photo: b3tarev3


Two men in the big bucket of the O&K RH120C excavator
Two men in the big bucket of the O&K RH120C excavator.
UK Coal - Cutacre Opencast.
Taken on: 27 June 2010
Size of the photo: 3216 x 2136, 2.39 MB
Camera model: NIKON D90
Author of the photo: b3tarev3


O&K RH 120 C excavator
O&K RH120C excavator.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 734 x 575, 276 kB
Author of the photo: Mark Tighe (2009), Creative Commons
The image was extracted from the original photo.
The original photo is under the photo.


UK Coal - Cutacre Opencast
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 2000 x 1396, 1.47 MB
Author of the photo: Mark Tighe (2009), Creative Commons





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