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CATERPILLAR - CRAWLER EXCAVATORS



CAT 321D LCR



TECHNICAL DATA AND PHOTOS




Model: 321D LCR

D = Series D
L = Long Undercarriage
CR = Compact Radius


Type: Crawler hydraulic excavator.

Years of production: 2007 - 2015

Manufacturer: CATERPILLAR


ENGINE:

Model: CAT C6.4 ACERT
Type: Four-stroke, in-line diesel engine. ACERT technology.
Air-to-air aftercooler (ATAAC).
Electronic Control Module (ECM).
ADEM A4 electronic control module.
Cooling: water-cooled
Number of cylinders: 6
Displacement: 6.4 L (389 in3)
Bore: 102 mm (4.02 in)
Stroke: 130 mm (5.12 in)
Net Flywheel Power: 110 kW (148 hp)
Net Power, EEC 80/1269: 110 kW (148 hp)
Net Power, ISO 9249: 110 kW (148 hp)
Net Power, SAE J1349: 110 kW (148 hp)
No engine power derated below 2300 m (7,500 ft). Engine emissions: USA EPA Tier 3


HYDRAULIC SYSTEM:

Main implement system - maximum flow: 2 x 205 L/min (54 US gal/min)
Maximum pressure - equipment: 35 000 kPa (5,076 psi)
Maximum pressure - equipment - heavy lift: 36 000 kPa (5,221 psi)
Maximum pressure - travel: 35 000 kPa (5,076 psi)
Maximum pressure - swing: 25 000 kPa (3,626 psi)
Pilot system - maximum flow: 32.4 L/min (9 US gal/min)
Pilot system - maximum pressure: 3900 kPa (566 psi)

CYLINDERS:

Boom cylinders (2x):
Bore: 120 mm (4.7 in)
Stroke: 1260 mm (49.6 in)

Reach stick cylinder:
Bore: 140 mm (5.5 in)
Stroke: 1518 mm (59.8 in)

B1 Family bucket cylinder:
Bore: 120 mm (4.7 in)
Stroke: 1104 mm (43.5 in)

ELECTRICAL SYSTEM
Alternator: 50A
Electric starter: 24V


SERVICE REFILL CAPACITIES:

Hydraulic system (including tank): 208 L (55 US gal)
Hydraulic tank: 120 L (32 US gal)
Hydraulic tank (including suction pipe): 133 L (35 US gal)
Cooling system: 25 L (6.6 US gal)
Engine oil: 30 L (8 US gal)
Final drive (each) 8 L (2.1 US gal)
Swing drive: 8 L (2.1 US gal)
Fuel tank capacity: 330 L (87 US gal)


DIMENSIONS:

Boom options: Reach - 5.68 (18'7") Stick
Stick options: R2.9B1 m (9'7") Std/SA

Height to top of cab: 2980 mm (9'9")

Tail swing radius: 1676 mm (5'6")
Track length: 4455 mm (14'7")
Length to center of rollers: 3650 mm (12'0")
Ground clearance: 450 mm (1'6")

Track gauge: 2380 mm (7'10")
Transport width with 800 mm shoes: 3180 mm (10'5")
Transport width with 600 mm shoes: 2980 mm (9'9")

Shipping height: 3030 mm (9'11")
Shipping length: 8880 mm (29'2")


DIMENSIONS:

Boom options: Reach - 5.68 (18'7") Stick
Stick options: R2.5B1 m (8'2") Std/SA

Height to top of cab: 2980 mm (9'9")

Tail swing radius: 1676 mm (5'6")
Track length: 4455 mm (14'7")
Length to center of rollers: 3650 mm (12'0")
Ground clearance: 450 mm (1'6")

Track gauge: 2380 mm (7'10")
Transport width with 800 mm shoes: 3180 mm (10'5")
Transport width with 600 mm shoes: 2980 mm (9'9")

Shipping height: 3030 mm (9'11")
Shipping length: 8880 mm (29'2")


DRIVE:

Maximum travel speed: 5.7 km/h (3.5 mph)
Maximum drawbar pull: 206 kN (46,311 lb)


UNDERCARRIAGE:

Track shoes width: 600 mm (24 in) or 800 mm (32")
Track gauge: 2380 mm (7'10")
Ground clearance: 450 mm (1'6")
Number of shoes, each side: 49
Number of carrier rollers, each side: 2
Number of track rollers, each side: 8


SWING MECHANISM:
Swing speed: 11.5 rpm
Swing torque: 61.8 kN.m (45,612 lb ft)


OPERATING WEIGHT

With reach boom, R2.9B1 (9 ft 6 in) stick, 0.9 m3 (1.18 yd3) bucket and 600 mm (24 in) shoes

Operating weight: 23 530 kg (51,875 lb)


With reach boom, R2.9B1 (9 ft 6 in) stick, 0.9 m3 (1.18 yd3) bucket and 800 mm (32 in) shoes

Operating weight: 24 180 kg (53,308 lb)


WORKING RANGES with reach boom 5.68 m (18'7"), stick R2.9B1 m (9'7") and bucket 1.0 m3 (1.31 yd3)

Maximum reach at ground level: 9790 mm (32'1")
Maximum digging depth: 6710 mm (22'0")
Minimum loading height: 2960 mm (9'9")
Maximum loading height: 7890 mm (25'11")
Maximum vertical wall digging depth: 5890 mm (19'4")
Maximum cutting height: 11 010 mm (36'1")
Minimum front swing radius: 2340 mm (7'8")


WORKING RANGES with reach boom 5.68 m (18'7"), stick R2.5B1 m (8'2") and bucket 1.0 m3 (1.31 yd3)

Maximum reach at ground level: 9390 mm (30'10")
Maximum digging depth: 6290 mm (20'8")
Minimum loading height: 3380 mm (11'1")
Maximum loading height: 7600 mm (24'11")
Maximum vertical wall digging depth: 5490 mm (18'0")
Maximum cutting height: 10 720 mm (35'2")
Minimum front swing radius: 2280 mm (7'6")


WORKING RANGES with reach boom 5.68 m (18'7"), stick R2.9B1 m (9'7") and Pin Grabber Quick Coupler with bucket 1.0 m3 (1.31 yd3)

Maximum reach at ground level: 10 050 mm (33'0")
Maximum digging depth: 6970 mm (22'10")
Minimum loading height: 2710 mm (8'11")
Maximum loading height: 7630 mm (25'0")
Maximum vertical wall digging depth: 5200 mm (17'1")
Maximum cutting height: 11 260 mm (36'11")
Minimum front swing radius: 2340 mm (7'8")


WORKING RANGES with reach boom 5.68 m (18'7"), stick R2.5B1 m (8'2") and Pin Grabber Quick Coupler with bucket 1.0 m3 (1.31 yd3)

Maximum reach at ground level: 9650 mm (31'8")
Maximum digging depth: 6550 mm (21'6")
Minimum loading height: 3120 mm (10'3")
Maximum loading height: 7340 mm (24'1")
Maximum vertical wall digging depth: 4810 mm (15'9")
Maximum cutting height: 10 970 mm (35'0")
Minimum front swing radius: 2280 mm (7'6")


WORKING RANGES with Variable Adjustable Boom 5940 mm (two piece boom) and stick R2.9B1 m (9'7")

Stick length: 2920 mm (9'7")
Maximum reach at ground level: 10 110 mm (398.0 in)
Maximum digging depth: 6490 mm (255.5 in)
Minimum loading height: 3440 mm (135.4 in)
Maximum loading height: 8580 mm (337.8 in)
Maximum vertical wall digging depth: 5770 mm (227.2 in)
Maximum cutting height: 11 630 mm (457.9 in)
Minimum front swing radius: 2340 mm (7'8")


CATERPILLAR 321D LCR compact radius excavator
CATERPILLAR 321D LCR compact radius excavator
Excavation work on the cavern that will house the Second Avenue Subway's 86th Street Station continues as of February 23, 2013, Yorkville, New York, New York, USA.
Taken on: 23 February 2013
Size of the photo: 1920 × 1278 pixels, 2.08 MB
Source of the photo: Metropolitan Transportation Authority of the State of New York
License: (CC BY 2.0)
Author of the photo: Metropolitan Transportation Authority / Patrick Cashin



CATERPILLAR 321D LCR compact radius excavator, side view
CATERPILLAR 321D LCR compact radius excavator, side view.
Progress on the Second Avenue Subway as of January 2014. This photo shows the future 86th Street Station, Yorkville, New York, New York, USA.
Taken on: 11 January 2014
Size of the photo: 2160 × 1437 pixels, 2.73 MB
Source of the photo: Metropolitan Transportation Authority of the State of New York
License: (CC BY 2.0)
Author of the photo: Metropolitan Transportation Authority / Patrick Cashin



CAT 321D LCR compact radius excavator with the two piece boom, side view
CAT 321D LCR compact radius excavator with the two piece boom, side view.
CAT 321D LCR at the ABS Nürnberg-Ebensfeld, Bavaria, Germany.
Taken on: 20 March 2016
Size of the photo: 1920 × 1080 pixels, 1.99 MB
License: (CC BY-SA 4.0)
Author of the photo: ermell
The image was extracted from the original photo.
The original photo is under the photo.


CAT 321D LCR compact radius excavator with the Variable Adjustable Boom, side view
CAT 321D LCR compact radius excavator with the Variable Adjustable Boom, side view.
CAT 321D LCR at the ABS Nürnberg-Ebensfeld, Bavaria, Germany.
Taken on: 20 March 2016
Size of the photo: 4608 × 3456 pixels, 7.40 MB
Camera model: OLYMPUS E-M5MarkII
License: (CC BY-SA 4.0)
Author of the photo: ermell


CAT 321D LCR compact radius excavator
CAT 321D LCR compact radius excavator.
Taken on: 7 November 2017
Size of the photo: 1920 × 1080 pixels, 1.41 MB
Source of the photo: U.S. Army Corps of Engineers Sacramento District
License: United States government work
Author of the photo: Ed Coffey, U.S. Army Corps of Engineers/released
The image was extracted from the original photo.
The original photo is under the photo.


CAT 321D LCR excavator
CAT 321D LCR excavator works to remove charred debris as cleanup efforts continue at Coffey Park, north of Santa Rosa, California on Nov. 7, 2017.
The U.S. Army Corps of Engineers Sacramento District has been spearheading cleanup efforts in the fire stricken areas of Sonoma, Lake, Mendocino and Napa counties.
Taken on: 7 November 2017
Size of the photo: 6000 × 4000 pixels, 2.85 MB
Camera model: NIKON D7100
Source of the photo: U.S. Army Corps of Engineers Sacramento District
License: United States government work
Author of the photo: Ed Coffey, U.S. Army Corps of Engineers/released



CATERPILLAR 321D LCR excavator loading a truck
CATERPILLAR 321D LCR excavator loading a truck.
Taken on: 7 November 2017
Size of the photo: 4166 × 2892 pixels, 7.89 MB
Source of the photo: U.S. Army Corps of Engineers Sacramento District
License: United States government work
Author of the photo: Ed Coffey, U.S. Army Corps of Engineers/released
The image was extracted from the original photo.
The original photo is under the photo.


CATERPILLAR 321D LCR excavator loading a truck
CATERPILLAR 321D LCR excavator loading a truck.
Trucks are loaded with debris to be removed from charred lots in Coffey Park, north of Santa Rosa, California on Nov. 7, 2017. The U.S. Army Corps of Engineers Sacramento District has been spearheading cleanup efforts in the fire stricken areas of Sonoma, Lake, Mendocino and Napa counties.
Taken on: 7 November 2017
Size of the photo: 6000 x 4000 pixels, 3.12 MB
Camera model: NIKON D7100
Source of the photo: U.S. Army Corps of Engineers Sacramento District
License: United States government work
Author of the photo: Ed Coffey, U.S. Army Corps of Engineers/released





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