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CATERPILLAR - CRAWLER EXCAVATORS



CATERPILLAR 312B L




TECHNICAL DATA AND PHOTOS

Model: 312B L
Manufacturer: CATERPILLAR
Type: Crawler hydraulic excavator
Production year: 1997 - 2001


The CAT 312B hydraulic excavator was introduced in 1996 in Japan. Production began in Belgium in 1997, and France in 1998.


OPERATING SPEIFICATIONS:

Track width: 500 mm - 850 mm
Bucket capacity: 0.235 m3 - 0.75 m3
Reference bucket capacity: 0.46 m3 (0.6 yd3)
Maximum digging depth with mono boom: 6 050 mm
Maximum loading height with two-piece boom: 7 570 mm


ENGINE:

Model: CAT 3054 T
Type: four-stroke, turbocharged, diesel engine
Power ISO 9249: 66 kW (90 PS) Power 80/1269/EWG: 66 kW (90 PS) Displacement: 3.99 liters
Bore: 100 mm
Stroke: 127 mm
Number of cylinders: 4



SERVICE REFILL CAPACITIES:

Fuel tank capacity: 250 liters (66 gal)
Hydraulic system (including tank): 162 liters (42.8 gal)
Hydraulic tank: 98 liters
Cooling system: 15.5 liters (4.1 gal)
Engine oil: 13 liters (3.4 gal)
Swing drive 2.8 liters (0.74 gal)
Final drive (each) 2.2 liters


HYDRAULIC SYSTEM:

Main implement system maximum flow: 2 x 120 liters
Maximum pressure - implements: 343 bar
Maximum pressure swing: 299 bar
Pilot system maximum pressure: 39 bar
Pilot system maximum flow: 18 liters/min

HYDRAULIC CYLINDERS:
Boom cylinders:
Number of cylinders: 2
Bore: 110 mm
Stroke: 1015 mm

Stick cylinder:
Number of cylinders: 1
Bore: 120 mm
Stroke: 1197 mm

Bucket cylinder
Number of cylinders: 1
Bore: 100 mm
Stroke: 939 mm


DIMENSIONS:

Shipping height: 2 650 mm - 2655 mm
Shipping length: 7 610 mm - 7 630 mm
Tail swing radius: 2 130 mm
Track length: 3 750 mm
Length to center of rollers: 3 040 mm
Ground clearance: 440 mm
Track gauge: 1 990 mm
Track width with 500 mm track shoes: 2 490 mm
Track width with 600 mm track shoes: 2 590 mm
Track width with 700 mm track shoes: 2 690 mm


TRACK:

Standard track shoes: 500 mm (19.7 in)
Optional track shoes: 600 mm, 700 mm, 770 mm, 850 mm
Number of track rollers - each side: 7
Number of carrier rollers - each side: 2


DRIVE:

Maximum drawbar pull: 104 kN
Maximum travel speed: 5.0 km/h


WORKING RANGES - with monoboom:

Stick: 2.1 m
Maximum digging depth: 5 150 mm
Maximum reach at ground level: 7 810 mm
Maximum cutting height: 8 270 mm
Maximum loading height: 5 830 mm

Stick: 2.5 m
Maximum digging depth: 5 550 mm
Maximum reach at ground level: 8 190 mm
Maximum cutting height: 8 520 mm
Maximum loading height: 6 080 mm

Stick: 3.0 m
Maximum digging depth: 6 050 mm
Maximum reach at ground level: 8 640 mm
Maximum cutting height: 8 750 mm
Maximum loading height: 6 310 mm


WORKING RANGES - with two-piece boom:

Stick: 2.1 m
Maximum digging depth: 4 840 mm
Maximum reach at ground level: 7 960 mm
Maximum cutting height: 9 280 mm
Maximum loading height: 6 820 mm

Stick: 2.5 m
Maximum digging depth: 5 240 mm
Maximum reach at ground level: 8 340 mm
Maximum cutting height: 9 640 mm
Maximum loading height: 7 180 mm

Stick: 3.0 m
Maximum digging depth: 5 730 mm
Maximum reach at ground level: 8 800 mm
Maximum cutting height: 10 040 mm
Maximum loading height: 7 570 mm


OPERATING WEIGHT - Cat 312B L excavator with monoboom, stick 2.1 m and bucket 0.54 m3:

Triple grouser shoes: 500 mm
Weight: 13 270 kg

Triple grouser shoes: 600 mm
Weight: 13 510 kg

Triple grouser shoes: 700 mm
Weight: 13 750 kg

Triple grouser shoes: 770 mm
Weight: 13 915 kg

Triple grouser shoes: 850 mm
Weight: 14 080 kg

OPERATING WEIGHT - Cat 312B L excavator with monoboom, stick 2.5 m and bucket 0.54 m3:

Triple grouser shoes: 500 mm
Weight: 13 340 kg

Triple grouser shoes: 600 mm
Weight: 13 580 kg

Triple grouser shoes: 700 mm
Weight: 13 820 kg

Triple grouser shoes: 770 mm
Weight: 13 985 kg

Triple grouser shoes: 850 mm
Weight: 14 150 kg

OPERATING WEIGHT - Cat 312B L excavator with monoboom, stick 3.0 m and bucket 0.54 m3:

Triple grouser shoes: 500 mm
Weight: 13 418 kg

Triple grouser shoes: 600 mm
Weight: 13 658 kg

Triple grouser shoes: 700 mm
Weight: 13 898 kg

Triple grouser shoes: 770 mm
Weight: 14 063 kg

Triple grouser shoes: 850 mm
Weight: 14 228 kg

Support leveling blade (extra weight): 785 kg


CATERPILLAR 312B L hydraulic excavator at work in Sweden
CATERPILLAR 312B L hydraulic excavator at work in Sweden.
Date of the photo: 30 May 2005
Size of the photo: 3008 2000 pixels, 4.33 MB
Camera model: NIKON D70
Author of the photo: Achird
License : (CC BY-SA 3.0)



CATERPILLAR 312B L hydraulic excavator at work in Sweden
CATERPILLAR 312B L hydraulic excavator at work in Sweden.
Date of the photo: 30 May 2005
Size of the photo: 3008 2000 pixels, 5.19 MB
Camera model: NIKON D70
Author of the photo: Achird
License : (CC BY-SA 3.0)



CAT 312B L hydraulic excavator at work in Sweden
CAT 312B L hydraulic excavator at work in Sweden.
Date of the photo: 30 May 2005
Size of the photo: 3008 2000 pixels, 4.63 MB
Camera model: NIKON D70
Author of the photo: Achird
License : (CC BY-SA 3.0)



CAT 312B L digger in Sweden
CAT 312B L digger in Sweden.
Date of the photo: 30 May 2005
Size of the photo: 2923 2000 pixels, 4.6 MB
Camera model: NIKON D70
Author of the photo: Achird
License : (CC BY-SA 3.0)



CAT 312B L hydraulic excavator with broad tracks
CAT 312B L hydraulic excavator with broad tracks.
Location: Landkreis Cuxhaven, Niedersachsen, Germany.
Date of the photo: before 10 December 2005
Author of the photo: Helmut Schwarting



CAT 312B L hydraulic excavator
CAT 312B L hydraulic excavator in Germany.
Location: Marienehe, Rostock, Mecklenburg-Vorpommern.
Date of the photo: 9 August 2009
Author of the photo: yetdark
License : (CC BY-SA 2.0)
Changes made: cut of the original photo.
The original photo is under the photo.


CAT 312B L hydraulic excavator
CAT 312B L hydraulic excavator in Germany.
Location: Marienehe, Rostock, Mecklenburg-Vorpommern.
Date of the photo: 9 August 2009
Author of the photo: yetdark
License : (CC BY-SA 2.0)






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