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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 138.0 HP 103.0 kW Less
Bore 5.12 in 102.0 mm Less
Displacement 389.0 in³ 6.37 l Less
EEC 80/1269 138.0 HP 103.0 kW Less
ISO 9249 138.0 HP 103.0 kW Less
SAE J1349 138.0 HP 103.0 kW Less
Stroke 5.12 in 130.0 mm Less

Weights

Operating Weight 48752.0 lb 22160.0 kg Less
Operating Weight - Standard Undercarriage 48752.0 lb 22160.0 kg Less

Track

Number of Carrier Rollers - Each Side 2 2 Less
Number of Shoes - Each Side 45 45 Less
Number of Track Rollers - Each Side 7 7 Less

Swing Mechanism

Swing Speed 11.5 r/min 11.5 r/min Less
Swing Torque 45600.0 lb/ft 62.0 kN·m Less

Drive

Maximum Drawbar Pull 46310.0 lb 206.0 kN Less
Maximum Travel Speed 3.4 mile/h 5.5 km/h Less

Hydraulic System

B1 Family Bucket Cylinder - Bore 4.7 in 120.0 mm Less
B1 Family Bucket Cylinder - Stroke 43.5 in 1104.0 mm Less
Boom Cylinder - Bore 4.7 in 120.0 mm Less
Boom Cylinder - Stroke 49.6 in 1260.0 mm Less
Main System - Maximum Flow - Total 54.0 gal/min 205.0 l/min Less
Maximum Pressure - Equipment 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3626.0 psi 25000.0 kPa Less
Maximum Pressure - Travel 5076.0 psi 35000.0 kPa Less
Pilot System - Maximum Flow 8.6 gal/min 32.4 l/min Less
Pilot System - Maximum Pressure 566.0 psi 3900.0 kPa Less
Stick Cylinder - Bore 5.5 in 140.0 mm Less
Stick Cylinder - Stroke 59.2 in 1504.0 mm Less

Service Refill Capacities

Cooling System 6.6 gal (US) 25.0 l Less
Engine Oil 8.0 gal (US) 30.0 l Less
Final Drive - Each 2.6 gal (US) 10.0 l Less
Fuel Tank Capacity 108.0 gal (US) 410.0 l Less
Hydraulic System - Including Tank 69.0 gal (US) 260.0 l Less
Hydraulic Tank 32.0 gal (US) 120.0 l Less
Swing Drive 2.1 gal (US) 8.0 l Less

Standards

Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS SAE J1356 FEB88 SAE J1356 FEB88 Less
Inside Cabin Noise ANSI/SAE J1166 OCT98 ANSI/SAE J1166 OCT98 Less

Engine and Hydraulics

Structures

Guarding

Operator Station

Booms and Sticks

Work Tools – Attachments

Service and Maintenance

Complete Customer Support

Cat® 320D Total Solutions

320D Standard Equipment

ELECTRICAL
  • Alternator, 50A
  • Light, storage box mounted (one)
  • Signaling/warning horn
  • Cat Data Link with capability of E.T.
  • Product Link ready

GUARDS
  • Cab falling objects guard top and front
  • Heavy duty bottom guards
  • Swivel guard
  • Heavy duty track motor guards
  • Heavy duty catwalks

HYDRAULICS
  • Stick drift reducing valve
  • Straight travel hydraulic circuit
  • Regeneration circuit for boom and stick
  • Automatic swing parking brake
  • Boom drift reducing valve
  • Boom lowering device for back-up
  • Capability of stackable valves for main valve (maximum three valves)
  • Capability of auxiliary circuit (auxiliary pump and valves)
  • Capability of boom and stick lowering control device
  • Auxiliary hydraulic valve (one)
  • Reverse swing damping valve

ENGINE/POWER TRAIN
  • C6.4 with ACERT™ Technology
  • 2300 m (7,500 ft) altitude capability with no deration
  • 2 micron fuel filter
  • Equivalent EU Stage II/EPA Tier 2 emission compliant
  • Air intake heater
  • Automatic engine speed control with one touch low idle
  • High ambient cooling package
  • Radial seal air filter
  • Water separator in fuel line with 10 micron fuel filter with water level indicator
  • Waved fin radiator with space for cleaning
  • Steel wall between engine and pump compartment
  • Two speed auto shift travel
  • Secondary engine shutoff switch

UNDERCARRIAGE
  • 790 mm (31 in) triple grouser track shoe
  • Grease lubricated GLT2, resin seal
  • Idler and center section track guiding
  • Towing eye on baseframe
  • Straddle mounted carrier rollers

OPERATOR STATION
  • Cab
  • Monitor