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320B L

Medium Excavators

The Cat 320B L is a versatile, tough machine for a variety of applications. It features undercarriage built specifically for fast and easy transport, cab for optimized operator comfort and productivity, and advanced engine and hydraulic system that works together for improved productivity, fuel efficiency and lower maintenance costs.

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Engine Model Cat 3066T
Net Flywheel Power 96 kW
Net Power - ISO 9249 96 kW
Bore 102 mm

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FEATURES & BENEFITS

Operator Station

Ergonomic Control PlacementThis operator work station is quiet with ergonomic control placement and convenient adjustments, low lever and pedal effort, ergonomic seat des... Read more

Serviceability

Easier MaintenanceFaster, easier maintenance means improved uptime and better value.Service PointsMore ground level service points for fuel-water separator, battery, radi... Read more

Electronic Control System

Automatic Engine Speed ControlAutomatic Engine Speed Control reduces engine speed during light-load or no-load applications.Electronic Engine Underspeed ControlElectronic... Read more

Hydraulics

Control ResponsivenessDramatically increased control responsiveness aids operation and improves cycle time.Hydraulic Cross-Sensing SystemHydraulic cross-sensing system im... Read more

Engine

Automatic Engine ControlAutomatic Engine Control with convenient one-touch command.Direct Unit InjectionEfficient, direct unit injection fuel system means lower operating... Read more

Undercarriage

Robotic WeldingPrecision robotic welding helps ensure quality welds. These welds increase rigidity, reduce internal stresses and enhance durability for the chassis and t... Read more

Structures

CarbodyAdvanced carbody design stands up in the toughest applications.Track Roller FramesRobot-welded track roller frames are press-formed, pentagonal units to deliver ex... Read more

Booms, Sticks, and Attachments

Boom and Stick StructureCaterpillar excavator boom and sticks are built for performance and long service life.Two Booms and Five SticksThe choice of two booms and five st... Read more

Buckets

Bucket DurabilityCaterpillar buckets provide increased service life with reduced repair costs.Heavy-Duty (HD) BucketsHeavy-Duty Buckets for digging in moderate to hard ab... Read more

SPECIFICATIONS FOR 320B L

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Engine
Engine Model Cat 3066T
Net Flywheel Power 96 kW
Net Power - ISO 9249 96 kW
Bore 102 mm
Stroke 130 mm
Displacement 6.37 l
Net Power - SAE J1349 96 kW
Net Power - EEC 80/1269 96 kW
Weights
Operating Weight - Standard Undercarriage 20620 kg
Service Refill Capacities
Fuel Tank Capacity 340 l
Cooling System 25 l
Engine Oil 20.5 l
Swing Drive 6 l
Final Drive - Each 10 l
Hydraulic System - Including Tank 220 l
Swing Mechanism
Swing Speed 10.7 r/min
Swing Torque 57 kN·m
Drive
Maximum Drawbar Pull 177 kN
Maximum Travel Speed 5.5 km/h
Hydraulic System
Main Implement System - Maximum Flow (2x) 185 l/min
Maximum Pressure - Equipment 34300 kPa
Maximum Pressure - Travel 34300 kPa
Maximum Pressure - Swing 23000 kPa
Pilot System - Maximum Flow 41 l/min
Pilot System - Maximum Pressure 4100 kPa
Boom Cylinder - Bore 120 mm
Boom Cylinder - Stroke 1260 mm
B1 Family Bucket Cylinder - Bore 120 mm
B1 Family Bucket Cylinder - Stroke 1030 mm
C Family Bucket Cylinder - Bore 130 mm
C Family Bucket Cylinder - Stroke 1156 mm

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Engine Model Cat® C7.1 ACERT™
Net Flywheel Power 175 kW
Bore 105 mm
Stroke 135 mm
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Engine Model Cat® C7.1 ACERT™
Net Flywheel Power 130 kW
Bore 105 mm²
Stroke 135 mm²
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Net Power - ISO 9249 223.7 kW
Engine Model Cat 7.1
Engine Power - ISO 14396 225 kW
Bore 105 mm
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Engine Model Cat® C7 ACERT™
Net Flywheel Power 140 kW
Net Power - ISO 9249 140 kW
Bore 110 mm
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Net Flywheel Power 103 kW
Operating Weight 23000 kg
Maximum Bucket Capacity 0.8 m³
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Engine Model Cat® C6.4 ACERT™
Net Flywheel Power 103 kW
Bore 102 mm
Stroke 130 mm
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