321D LCR

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Overview

The D Series incorporates innovations for improved performance and versatility.

Engine

Units:
Engine Model Cat® C6.4 ACERT™ Cat® C6.4 ACERT™ Less
Net Flywheel Power 148.0 hp 110.0 kW Less
Net Power - ISO 9249 148.0 hp 110.0 kW Less
Bore 4.02 in 102.0 mm Less
Stroke 5.12 in 130.0 mm Less
Displacement 389.0 in3 6.4 L Less
Net Power - EEC 80/1269 148.0 hp 110.0 kW Less
Net Power - SAE J1349 148.0 hp 110.0 kW Less

Weights

Operating Weight 51875.0 lb 23530.0 kg Less
Operating Weight - Std. Undercarriage 51875.0 lb 23530.0 kg Less
Operating Weight - Long Undercarriage 51875.0 lb 23530.0 kg Less
Operating Weight - Long Undercarriage 2 53308.0 lb 24180.0 kg Less

Service Refill Capacities

Fuel Tank Capacity 87.0 gal 330.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 8.0 gal 30.0 L Less
Swing Drive 2.1 gal 8.0 L Less
Final Drive (each) 2.1 gal 8.0 L Less
Hydraulic System (including tank) 55.0 gal 208.0 L Less
Hydraulic Tank 32.0 gal 120.0 L Less
Hydraulic Tank (Including suction pipe) 35.0 gal 133.0 L Less

Swing Mechanism

Swing Speed 11.5 RPM 11.5 RPM Less
Swing Torque 45612.0 lb ft 61.8 kN·m Less

Drive

Maximum Drawbar Pull 46311.0 lb 206.0 kN Less
Maximum Travel Speed 3.5 mph 5.7 km/h Less

Hydraulic System

Main Implement System - Maximum Flow (2x) 54.0 gal/min 205.0 L/min Less
Max. Pressure - Equipment 5076.0 psi 35000.0 kPa Less
Max. pressure - Heavy Lift 5221.0 psi 36000.0 kPa Less
Max. Pressure - Travel 5076.0 psi 35000.0 kPa Less
Max. Pressure - Swing 3626.0 psi 25000.0 kPa Less
Pilot System - Maximum Flow 9.0 gal/min 32.4 L/min Less
Pilot System - Maximum Pressure 566.0 psi 3900.0 kPa Less
Boom Cylinder - Bore 4.7 in 120.0 mm Less
Boom Cylinder - Stroke 49.6 in 1260.0 mm Less
Reach Stick Cylinder - Bore 5.5 in 140.0 mm Less
B1 Family Bucket Cylinder - Bore 4.7 in 120.0 mm Less
Reach Stick Cylinder - Stroke 59.8 in 1518.0 mm Less
B1 Family Bucket Cylinder - Stroke 43.5 in 1104.0 mm Less

Sound Performance

Performance ANSI/SAE J1166 APR 90 ANSI/SAE J1166 APR 90 Less

Standards

Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS SAE J1356 FEB88 SAE J1356 FEB88 Less

Track

Number of Shoes (each side) - Long Undercarriage 49 49 Less
Number of Track Rollers (each side) - Long Undercarriage 8 8 Less
Number of Carrier Rollers (each side) - Long Undercarriage 2 2 Less

Dimensions

Transport width 125.2 in 3180.0 mm Less
Shipping Height 9.9 ft 3030.0 mm Less

Compact Radius

The 321D LCR delivers outstanding performance and comfort.


C6.4 with ACERT™ Technology

The Cat® C6.4 gives the 321D LCR exceptional power and fuel efficiency unmatched in the industry for consistently high performance in all applications.


Hydraulics

Cat® hydraulics deliver power and precise control to keep material moving.


Operator Comfort

Caterpillar offers the most intuitive and easy to operate excavators while providing great all around visibility and exceptional operator comfort.


Structures

321D LCR is designed to handle the most rugged operating conditions, while providing long life and value.


Booms, Sticks and Bucket Linkages

Built for Performance and long service life, Caterpillar® booms and sticks are large, welded, box-section structures with thick, multi-plate fabrications in high stress areas.


Work Tools - Attachments

The 321D LCR has an extensive selection of work tools to optimize machine performance.


Versatility

A wide variety of optional factory-installed attachments are available to enhance performance and improve job site management.


Service and Maintenance

Simplified service and maintenance features save you time and money.


Complete Customer Support

Cat® dealer services help you operate longer with lower costs.


321D LCR Standard Equipment

Electrical
  • 50 Ampere alternator
  • Base machine light (frame)
  • Horn
  • Pre-start monitoring system - checks for low fluids

Operator Environment (Mandatory Attachment)
  • Air conditioner, heater, defroster with automatic climate control
  • AM/FM Radio with antenna and 2 speakers
  • Ashtray with 24 volt lighter
  • Beverage/cup holder
  • Bolt-on Falling object Guarding System (FOGS) capability
  • Cab Glass Openable and retractable two- piece front windshield Sky-light, pop-up, polycarbonate
  • Coat hook
  • Floor mat
  • Instrument panel and gauges
  • Joysticks, console mounted, pilot operated
  • Light, interior
  • Literature compartment
  • Monitor, full graphic color display
  • Neutral lever (lock out) for all controls
  • Polycarbonate side windows
  • Positive filtered ventilation
  • Pressurized cab
  • Seat, suspension, with high back and head rest
  • Seat belt, retractable - 76 mm (3 in)
  • Storage compartment suitable for lunch box cooler
  • Sun shade (for skylight)
  • Travel control pedals with removable hand levers
  • Windows, Polycarbonate (mandatory attachment)
  • Windshield wiper and washer (upper and lower)

Engine/Power Train
  • C6.4 with ACERT™ Technology
  • Automatic engine speed control with one touch low idle
  • Cooling
  • Priming pump
  • Straight line travel
  • Two-speed auto-shift travel
  • Water separator in fuel line

Undercarriage
  • Grease lubricated track
  • Hydraulic track adjusters
  • Idler and center section track guards
  • Long undercarriage

Other Standard Equipment
  • Automatic swing parking brake
  • Auxiliary hydraulic valve
  • Capability of stackable valves (max of 3) for main valve
  • Capability of auxiliary circuit
  • Counterweight with lifting eyes
  • Door locks, cap locks and Caterpillar® one key security system
  • Fine swing control
  • Fully pressurized hydraulic system
  • Heavy lift
  • Mirrors (frame-right, cab left)
  • S•O•SSM quick sampling valves for engine and hydraulic oil
  • Wave fin radiator
  • Wiring provision for Product Link

321D LCR Optional Equipment

Front Linkage
  • Booms
  • Sticks
  • Bucket Linkage
  • Boom Lowering Control Device

Electrical
  • Light, Boom - Right side
  • Lights, Cab mounted (2)
  • Machine Security System (MSS)
  • Power supply (12V-5 AMP)
  • Product Link (PL121SR/PL321SR
  • Travel Alarm (Mandatory attachment)

Guarding
  • Falling Object Guarding System (FOGS)
  • Front windshield guard
  • Heavy-duty bottom guards
  • Track guiding guards
  • Vandalism guards

Operator Environment
  • Hand control pattern changer (ISO-SAE)
  • Rear window, secondary exit
  • Seat, high back with air suspension and heater

Engine/Power Train
  • Starting, Cold weather package
  • Water level indicator (Fuel)

Undercarriage
  • Track shoes
  • Heavy-duty rollers

Auxiliary Hydraulics
  • Hammer Circuit
  • Hydraulic pin grabber quick coupler and controller
  • Lines for booms and sticks
  • Thumb Circuit
  • Tool Control System

Work Tools
  • Wide offering of buckets, tips and sidecutters








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