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O&K - CRAWLER EXCAVATORS



O&K RH120C Front Shovel



Technical Data and Photos




Manufacturer: O&K (Orenstein & Koppel)

Model: RH120C


Type: Hydraulic front shovel.

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: 212 190 kg (467,190 lb)
Operation weight with 1000 mm shoes: 214 390 kg (472,649 lb)
Operation weight with 1200 mm shoes: 217 390 kg (479,263 lb


TRACK SHOES AND GROUND PRESSURES

Shoes 800 mm (31.5 in): 2,09 kp/cm2
Shoes 1000 mm (39.4 in): 1,69 kp/cm2
Shoes 1200 mm (47.2 in): 1,43 kp/cm2


BUCKETS

Bucket capacity - SAE / number of teeth: 10.6 m3 (13.9 cu ya) / 5
13 m3 (17 cu ya) / 6
18 m3 (23.5 cu ya) / 0



O&K RH120C was first introduced in 1983
O&K RH120C was first introduced in 1983
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 996 x 523, 440 kB
Author of the photo: b3tarev3


O&K RH120C front shovel
O&K RH120C front shovel.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 1024 x 679, 239 kB
Author of the photo: b3tarev3


O&K RH 120 C front shovel with 13 m3 (17 cu ya) bucket
O&K RH120C front shovel with 13 m3 (17 cu ya) bucket.
UK Coal - Cutacre Opencast.
Taken on: 29 March 2009
Size of the photo: 1920 x 1080, 1.18 MB
Author of the photo: b3tarev3


O&K RH120C front shovel with 13 m3 (17 cu ya) bucket
O&K RH120C front shovel with 13 m3 (17 cu ya) bucket.
UK Coal - Cutacre Opencast.
Taken on: 29 March 2009
Size of the photo: 2256 x 1496, 1.38 MB
Author of the photo: b3tarev3


A man in front of the large excavator
A man in front of the large excavator.
UK Coal - Cutacre Opencast.
Taken on: 8 February 2009
Size of the photo: 680 x 1026, 516 kB
Author of the photo: b3tarev3


O&K RH120C - TriPower mechanism
O&K RH120C - TriPower mechanism in essence a rotating, triangular steel plate on each side of the front-shovel boom provides kinematic assistance to the hydraulics on face-shovel versions of the machine. Mechanical lever action lets cylinders generate greater digging and lifting forces through the entire range of motion. It also keeps the bucket at a constant angle regardless of lifting height, and prevents spills out the back of the bucket.
UK Coal - Cutacre Opencast.
Taken on: 29 March 2009
Size of the photo: 2256 x 1496, 1.42 MB
Author of the photo: b3tarev3


Front view of the O&K RH120C front shovel with 13 m3 (17 cu ya) bucket
Front view of the O&K RH120C front shovel with 13 m3 (17 cu ya) bucket.
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Camera model: NIKON D90
Size of the photo: 2136 x 3216, 1.61 MB
Author of the photo: b3tarev3


O&K RH120C hydraulic front shovel
O&K RH120C hydraulic front shovel.
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Size of the photo: 1777 x 1215, 1.54 MB
Author of the photo: b3tarev3


Two O&K RH120C hydraulic front shovels
Two O&K RH120C hydraulic front shovels.
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Size of the photo: 1920 x 1080, 1.50 MB
Author of the photo: b3tarev3


Three O&K hydraulic front shovels
Three O&K hydraulic front shovels.
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Camera model: NIKON D90
Size of the photo: 3104 x 2136, 2.16 MB
Author of the photo: b3tarev3


Two O&K RH120C hydraulic front shovels
Two O&K RH120C hydraulic front shovels.
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Size of the photo: 1607 x 1134, 1.21 MB
Author of the photo: b3tarev3


UK Coal - Cutacre Opencast
UK Coal - Cutacre Opencast.
Taken on: 8 May 2011
Camera model: NIKON D90
Size of the photo: 3216 x 2136, 2.37 MB
Author of the photo: b3tarev3





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