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CATERPILLAR - CRAWLER EXCAVATORS



CATERPILLAR 321C LCR




TECHNICAL DATA AND PHOTOS



Type: crawler hydraulic excavator with short tail swing.

Model: 321C LCR

Manufacturer: CATERPILLAR

Year of production: 2002 - 2007


ENGINE:

Model: 3066T ATAAC
Type: diesel, four-stroke engine
Flywheel power: 103 kW (138 hp)
ISO 9249: 103 kW (138 hp)
SAE J1349: 102 kW (137 hp)
EEC 80/1269: 103 kW (138 hp)
Number of cylinders: 6
Displacement: 6.37 liters (389 in3)
Bore: 102 mm (4.02 in)
Stroke: 130 mm (5.12 in)
Electric starting: 24 V
Engine emissions: US Tier 2 and EU Stage II


FLUID CAPACITIES:

Hydraulic system (including tank): 260 liters (69 gal)
Hydraulic tank: 133 liters (35 gal)
Cooling system: 32 liters (8.5 gal)
Engine oil: 30 liters (7.9 gal)
Final drive (each) 10 liters (2.6 gal)
Swing drive (each): 8 liters (2.1 gal)
Fuel tank capacity: 330 liters (87 gal)



HYDRAULIC SYSTEM:

Main implement system - maximum flow: 205 liters/min (54 gal/min)
Maximum pressure - implements: 34 300 kPa (4,974 psi)
Maximum pressure - travel: 34 300 kPa (4,974 psi)
Maximum pressure - swing: 25 000 kPa (3,625 psi)
Pilot system - maximum flow: 41 liters/min (11 gal/min)
Pilot system - maximum pressure: 3 900 kPa 566 psi

CYLINDERS:

Boom cylinders (2x):
Bore: 125 mm (4.92 in)
Stroke: 1 403 mm (55 in)

Stick cylinder:
Bore: 140 mm (5.5 in)
Stroke: 1 430 mm (56 in)

B family bucket cylinder:
Bore: 120 mm (4.72 in)
Stroke: 1 030 mm (41 in)


DIMENSIONS:

Tail swing radius: 1 676 mm (5'6")
Shipping length: 8 830 mm (29'0")
Shipping height: 3 170 mm (10'5")
Track length: 4 455 mm (14'7")
Length to center of rollers: 3 650 mm (12'0")
Track gauge: 2 380 mm (7'10")
Track width with 800 mm (32") shoes: 3 180 mm (10'5")
Track width with 700 mm (28") shoes: 3 080 mm (10'1")
Track width with 600 mm (24") shoes: 2 980 mm (9'9")


WORKING RANGES:

Reach Boom R2.9B, Stick Length 2900 mm (9'6"), Bucket 1 m3 (1.3 yd3)
Maximum digging depth: 6 620 mm (21'9")
Maximum cutting height: 10 920 mm (35'10")
Maximum reach at ground level: 9690 mm (31'9")
Maximum loading height: 3060 mm (10'0")
Bucket digging force (ISO): 141 kN (31,700 lb)
Bucket digging force (SAE): 125 kN (28,100)
Stick digging force (ISO): 101 kN (22,700 lb)
Stick digging force (SAE): 98 kN (22,000)


SWING MECHANISM:

Swing speed: 10.6 rpm
Swing torque 61.8 kN.m (45,582 lb ft)


UNDERCARRIAGE:

Maximum travel speed: 5.5 km/h (3.4 mph)
Maximum drawbar pull 196 kN (44,063 lb)
Track width:
Standard: 800 mm (32 in)
Optional: 600 mm (24 in)
Optional: 700 mm (28 in)


OPERATING WEIGHT:

Operating Weight – Minimum 22 868 kg (50,416 lb)
Base Machine, Reach Boom, R2.9 (9 ft 6 in) Stick, Bucket Linkage, 1067 mm (42 in) GP Bucket, 600 mm (24 in) TG Shoes

Operating Weight: 23 525 kg (51,864 lb)
Base machine, Reach Boom, R2.9 (9 ft 6 in) Stick, Bucket Linkage, 1067 mm (42 in) GP Bucket, 800 mm (32 in) TG Shoes


BUCKETS CAPACITY:
(Capacities based on SAE J296.)

General Purpose Buckets (GP): 0.70 m3 (0.88 yd3) - 1.30 m3 (1.75 yd3)
Heavy Duty Buckets (HD): 0.45 m3 (0.62 yd3) - 1.10 m3 (1.50 yd3)
Heavy Duty Power (HDP): 0.75 m3 (1.00 yd3) - 1.20 m3 (1.57 yd3)
Heavy Duty Rock Buckets (HDR): 0.45 m3 (0.62 yd3) - 1.00 m3 (1.25 yd3)
Ditch Cleaning Buckets (DC): 0.90 m3 (1.12 yd3) - 1.1 m3 (1.50 yd3)


CATERPILLAR 321C LCR
CATERPILLAR 321C LCR crawler hydraulic excavator with short tail swing.
MGI Construction Corp. - We like that you're broken—broken in two.
Date of the photo: 22 May 2018
Size of the photo: 4032 x 3024 pixels, 4,77 MB. Author of the photo: MGI Construction Corp.
License : (CC BY-ND 2.0)



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