Caterpillar 311D LRR Specs

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Overview

The Caterpillar 311D LRR is a hydraulic excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 80 hp, operating weight of 30600 lb, working depth of 16.54 ft, reach of 25.27 ft, capacity of 0.6 yd³ and travel speed of 3.2 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 311D LRR against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
27,513.70
lb

Net Power
95
hp

Gross Power
86
hp

Max Digging Depth
16.54
ft

Full Specifications

72 specs

Dimensions

Boom/Stick Option (Hex) 1 Boom 4300mm (14\\\' 1\\\'\\\') / Stick 2250mm (7\\\' 5\\\'\\\')

Counterweight Clearance 3 ft / 0.91 m

Ground Clearance 1.50 ft / 0.46 m

Height to Top of Cab 9.04 ft / 2.76 m

Length - Center Of Rollers 9.12 ft / 2.78 m

Length of Track on Ground 9.13 ft / 2.78 m

Max Cutting Height 25.60 ft / 7.80 m

Max Digging Depth 16.54 ft / 5.04 m

Max Loading Height 17.89 ft / 5.45 m

Max Reach Along Ground 25.27 ft / 7.70 m

Max Vertical Wall Digging Depth 14.64 ft / 4.46 m

Removal Counterweight Clearance 3 lb / 1 kg

Shipping Height 9.41 ft / 2.87 m

Shipping Height Of Unit 9.39 ft / 2.86 m

Shipping Length Of Unit 22.69 ft / 6.92 m

Tail Swing Radius 5.75 ft / 1.75 m

Transport Width 8.50 ft / 2.59 m

Width To Outside Of Tracks 8.50 ft / 2.59 m

Engine

Bore 4 in / 102 mm

Cooling System Fluid Capacity 4.80 gal / 18.2 L

Displacement 259 cu in / 4.2 L

Engine Make 2236

Engine Model C4.2 ACERT

Engine Oil Capacity 5.10 gal / 19.3 L

Flywheel Power 80 hp / 59.7 kW

Fuel Capacity 55.50 gal / 210.1 L

Fuel Tank 55 gal / 208.2 L

Gross Power 86 hp / 64.1 kW

Hydraulic Pump Flow Capacity 31 gal/min / 117.3 L/min

Hydraulic System Fluid Capacity 38.40 gal / 145.4 L

Hydraulic System Relief Valve Pressure 5,076 psi / 350.0 bar

Hydraulic Tank 21 gal / 79.5 L

Iso 9249 80

Maximum Bucket Capacity 1 yd³ / 0.76 m³

Minimum Bucket Capacity 0.40 yd³ / 0.31 m³

Net Power 80 hp / 59.7 kW

Net Power - Sae J1349 80 hp / 59.7 kW

Operating Weight 27,514 lb / 12,480 kg

Operating Weight - Long Undercarriage 27,514 lb / 12,480 kg

Reference Bucket Capacity 0.60 yd³ / 0.46 m³

Sae J1349 80

Stroke 5.10 in / 130 mm

Swing Drive Fluid Capacity 0.80 gal / 3.0 L

Swing Speed 11.40 deg

Swing Torque 22,825 deg

Travel Speed 3.10 mph / 5.0 km/h

Hydraulics

Boom Cylinder - Bore 3.90 in / 99 mm

Boom Cylinder - Stroke 39.40 in / 1,001 mm

Bucket Cylinder - Bore 3.90 in / 99 mm

Bucket Cylinder - Stroke 37 in / 940 mm

Engine Oil 5 gal / 18.9 L

Main Implement System - Maximum Flow (2x) 30.90 gal/min / 117.0 L/min

Maximum Pressure - Implements 4,424 psi / 305.0 bar

Maximum Pressure - Swing 3,336 psi / 230.0 bar

Maximum Pressure - Travel 5,076 psi / 350.0 bar

Performance ANSI/SAE J1166 OCT 98

Pilot System - Maximum Flow 6.08 gal/min / 23.0 L/min

Pilot System - Maximum Pressure 598 psi / 41.2 bar

Stick Cylinder - Bore 4.30 in / 109 mm

Stick Cylinder - Stroke 47 in / 1,194 mm

Other

Cab/Fogs 1,356

Cooling System 5 gal / 18.9 L

Final Drive - Each 1

Hydraulic System - Including Tank 38 gal / 143.8 L

Maximum Drawbar Pull 25,600 lb / 11,612 kg

Net Power 95 hp / 70.8 kW

Swing Drive - Each 1 deg

Undercarriage

Drawbar Pull 25,628 lb / 11,625 kg

Ground Pressure 5 psi / 0.3 bar

Max Travel Speed 3.17 mph / 5.1 km/h

Shoe Size 23.63 in / 600 mm

Track Gauge 6.53 ft / 1.99 m

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Frequently Asked Questions

What is the operating weight of the Caterpillar 311D LRR? +

The Caterpillar 311D LRR has an operating weight of 27,514 lb (12,480 kg). This places it in a class suited for hydraulic excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Caterpillar 311D LRR engine? +

The Caterpillar 311D LRR produces 86 hp (64.1 kW) of engine power. This output is typical for its weight class and designed to handle demanding Hydraulic Excavator work cycles efficiently.

What is the maximum digging depth of the Caterpillar 311D LRR? +

The Caterpillar 311D LRR has a maximum digging depth of 16.54 ft (5.04 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Caterpillar 311D LRR? +

The Caterpillar 311D LRR has a maximum reach along the ground of 25.27 ft (7.70 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Caterpillar 311D LRR? +

The Caterpillar 311D LRR has a maximum travel speed of 3.1 mph (5.0 km/h), enabling efficient movement between work areas on the job site.

How does the Caterpillar 311D LRR compare to similar Hydraulic Excavator models? +

You can compare the Caterpillar 311D LRR side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.