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Caterpillar

311D LRR

Excavator

Max Digging Depth
212 in
Net Power
80.0 hp
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Caterpillar 311D LRR Excavator
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Specifications

76 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity55.5 gal
Hydraulic Pump Flow Capacity31.0 gal/min
Hydraulic System Fluid Capacity38.4 gal
Hydraulic System Relief Valve Pressure5,076 psi
Engine Oil Capacity5.1 gal
Cooling System Fluid Capacity4.8 gal
Swing Drive Fluid Capacity0.8 gal

Engine

Engine specifications
Engine ModelCat C4.2 ACERT
Displacement259 in³
Gross Power86.0 hp
Net Power80.0 hp
Stroke5 in
Bore4 in
Net Power - SAE J134980.0 hp
Flywheel Power80.0 hp
ISO 924980.0 hp
SAE J134980.0 hp

Weights

Weights specifications
Operating Weight27,514 lb
Operating Weight - Long Undercarriage27,514 lb

Hydraulic System

Hydraulic System specifications
Maximum Pressure - Swing3,336 psi
Maximum Pressure - Travel5,076 psi
Boom Cylinder - Bore4 in
Boom Cylinder - Stroke39 in
Main Implement System - Maximum Flow (2x)30.9 gal/min
Stick Cylinder - Bore4 in
Stick Cylinder - Stroke47 in
Maximum Pressure - Implements4,424 psi
Bucket Cylinder - Bore4 in
Bucket Cylinder - Stroke37 in

Dimensions

Dimensions specifications
Ground Clearance18 in
Height - Top of Cab109 in
Length of Track on Ground110 in
Tail Swing Radius70 in
Width to Outside of Tracks102 in
Removal Counterweight Clearance36 in
Transport Width102 in
Shipping Height114 in
Counterweight Clearance36 in

Undercarriage

Undercarriage specifications
Ground Pressure5 psi
Track Gauge79 in
Max Travel Speed3.2 mph
Shoe Size24 in
Drawbar Pull25,628 lb

Boom/Stick Excavator Option 1

Boom/Stick Excavator Option 1 specifications
Max Loading Height215 in
Max Vertical Wall Digging Depth176 in
Max Cutting Height307 in
Shipping Length of Unit272 in
Shipping Height of Unit113 in

Bucket

Bucket specifications
Reference Bucket Capacity0.60 yd³
Maximum Bucket Capacity0.99 yd³
Minimum Bucket Capacity0.41 yd³

Drive System

Drive System specifications
Maximum Drawbar Pull25,600 lb
Travel Speed3.1 mph

Service Refill Capacities

Service Refill Capacities specifications
Cooling System5.0 gal
Hydraulic System - Including Tank38.0 gal
Final Drive - Each1.0 gal
Engine Oil5.0 gal
Hydraulic Tank21.0 gal
Swing Drive - Each1.0 gal
Fuel Tank55.0 gal

Swing Mechanism

Swing Mechanism specifications
Swing Speed11 rpm

Boom/Stick Excavator Option 2

Boom/Stick Excavator Option 2 specifications
Max Digging Depth212 in
Max Vertical Wall Digging Depth189 in
Max Cutting Height316 in
Max Loading Height223 in
Max Reach Along Ground312 in
Shipping Length of Unit271 in
Shipping Height of Unit120 in

Boom/Stick Excavator Option 3

Boom/Stick Excavator Option 3 specifications
Max Digging Depth221 in
Max Cutting Height320 in
Max Loading Height228 in
Max Vertical Wall Digging Depth197 in
Max Reach Along Ground319 in
Shipping Length of Unit269 in
Shipping Height of Unit125 in

Standards

Standards specifications
Cab/FOGSSAE J1356 FEB88/ISO 10262

Comparable machines

Other excavators in a similar weight class.