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CATERPILLAR - CRAWLER EXCAVATORS



CATERPILLAR 312D




TECHNICAL DATA AND PHOTOS

Model: 312D
Manufacturer: CATERPILLAR
Type: Crawler hydraulic excavator.
Year of production: 2008 - 2012


OPERATING WEIGHT:

Standard undercarriage: 500 mm shoe
Stick: 3.0 m
Bucket: 0.52 m3
Counterweight: 2450 kg
Operating weight: 13 120 kg


OPERATING SPEIFICATIONS:

Track width: 500 mm - 770 mm
Maximum digging depth: 6 040 mm
Maximum loading height: 6 340 mm


ENGINE:

Model: Cat® C4.2 ACERT™
Type: four-stroke engine, diesel
Gross power: 72 kW
Net power: 67 kW
Net power - SAE J1349: 67 kW
Displacement: 4.25 ltr
Bore: 102 mm
Stroke: 130 mm
Engine emissions: U.S. EPA Tier 3 and EU Stage IIIA Directive/97/68/EC


ELECTRICAL SYSTEM (standard equipment):

Alternator, 50 A
24V electric starting
Cat battery
Alarm, travel
Circuit breaker
Warning horn (front)
Water level indicator
Working light, boom (right side)
Working light, storage box mounted
Working lights, cab mounted
Rearview camera
Converters, 7A/12V (2)
Ashtray and 24V lighter


SERVICE REFILL CAPACITIES:

Fuel tank capacity: 250 ltr
Hydraulic system (including tank): 162 ltr
Hydraulic tank: 150 ltr
Cooling system: 17.9 ltr (7.9 gal)
Engine oil: 19.5 ltr
Swing drive 3 ltr
Final drive (each) 3 ltr


HYDRAULIC SYSTEM:

Main implement system – maximum flow: 2 x 127 ltr
Maximum pressure - implements: 30 500 kPa
Maximum pressure – swing: 23 000 kPa
Maximum pressure – travel: 35 000 kPa
Pilot system – maximum pressure: 4120 kPa
Pilot system – maximum flow: 36 ltr/min

Boom cylinder:
Bore: 110 mm
Stroke: 1015 mm

Stick cylinder:
Bore: 120 mm
Stroke: 1197 mm

Bucket cylinder:
Bore: 100 mm
Stroke: 939 mm


DIMENSIONS:

Shipping height: 2 830 mm - 2970 mm
Shipping length: 7 590 mm - 7 610 mm
Tail swing radius: 2 140 mm
Track length: 3 490 mm
Length to center of rollers: 2 780 mm
Ground clearance: 430 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
Optional track shoes: 600 mm, 700 mm, 770 mm
Number of track rollers - each side: 6
Number of carrier rollers - each side: 1


DRIVE:

Maximum drawbar pull: 114 kN
Maximum travel speed: 5.5 km/h


WORKING RANGES:

Reach boom: 5.68 m
Stick: 2.5 m
Bucket: 0.52 m3
Maximum digging depth: 5 540 mm
Maximum reach at ground level: 8 170 mm
Maximum cutting height: 8 480 mm
Maximum loading height: 6 100 mm

Reach boom: 5.68 m
Stick: 2.8 m
Bucket: 0.52 m3
Maximum digging depth: 5 840 mm
Maximum reach at ground level: 8 430 mm
Maximum cutting height: 8 580 mm
Maximum loading height: 6 210 mm

Reach boom: 5.68 m
Stick: 3.0 m
Bucket: 0.52 m3
Maximum digging depth: 6 040 mm
Maximum reach at ground level: 8 620 mm
Maximum cutting height: 8 700 mm
Maximum loading height: 6 340 mm


CAT 312D hydraulic excavator
CAT 312D hydraulic excavator.
Location: Ko Samui, Kra Isthmus, Thailand.
Date of the photo: 7 February 2018
Size of the photo: 8000 x 6544, 3,87 MB
Camera model: NIKON D800
Author of the photo: Boryeongsi South Korea
License : (CC BY-SA 2.0)





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