CAT 311D LRR Excavator


Boom/Stick Option (Hex) 1

Shipping Length Of Unit 22.69 ft in (6915 mm)
Shipping Height Of Unit 9.39 ft in (2860 mm)
Max Cutting Height 25.6 ft in (7800 mm)
Max Loading Height 17.89 ft in (5450 mm)
Max Reach Along Ground 25.27 ft in (7700 mm)
Max Vertical Wall Digging Depth 14.64 ft in (4460 mm)
Max Digging Depth 16.54 ft in (5040 mm)
Boom/Stick Option (Hex) 1 Boom 4300mm (14\’ 1\’\’) / Stick 2250mm (7\’ 5\’\’)

Boom/Stick Option (Hex) 2

Shipping Length Of Unit 22.58 ft in (6880 mm)
Max Cutting Height 26.22 ft in (7990 mm)
Shipping Height Of Unit 9.91 ft in (3020 mm)
Max Loading Height 18.51 ft in (5640 mm)
Max Reach Along Ground 25.92 ft in (7900 mm)
Max Vertical Wall Digging Depth 15.65 ft in (4770 mm)
Max Digging Depth 17.69 ft in (5390 mm)
Boom/Stick Option (Hex) 2 Boom 4300mm (14\’ 1\’\’) / Stick 2600mm (8\’ 6\’\’)

Boom/Stick Option (Hex) 3

Shipping Length Of Unit 22.4 ft in (6825 mm)
Max Cutting Height 26.68 ft in (8130 mm)
Max Loading Height 18.94 ft in (5770 mm)
Shipping Height Of Unit 10.37 ft in (3160 mm)
Max Reach Along Ground 26.58 ft in (8100 mm)
Max Vertical Wall Digging Depth 16.34 ft in (4980 mm)
Max Digging Depth 18.34 ft in (5590 mm)
Boom/Stick Option (Hex) 3 Boom 4300mm (14\’ 1\’\’) / Stick 2800mm (9\’ 2\’\’)

Dimensions

Ground Clearance 1.5 ft in (455 mm)
Height To Top Of Cab 9.04 ft in (2755 mm)
Width To Outside Of Tracks 8.5 ft in (2590 mm)
Length Of Track On Ground 9.13 ft in (2780 mm)
Tail Swing Radius 5.75 ft in (1750 mm)
Counterweight Clearance 3 ft in (914.4 mm)
Shipping Height 9.41 ft in (2868.17 mm)
Removal Counterweight Clearance 2.99 ft in (910 mm)
Length – Center Of Rollers 9.12 ft
Transport Width 8.5 ft in (2590.81 mm)

Undercarriage

Track Gauge 6.53 ft in (1990 mm)
Shoe Size 23.63 in (600 mm)
Ground Pressure 4.97 psi (34.21 kPa)
Max Travel Speed 3.17 mph (5.1 km/h)
Drawbar Pull 25628.22 lb (114 kN)

Engine Details

Engine Make CAT
Engine Model C4.2 ACERT
Net Power 80 hp (59.7 kw)
Gross Power 86 hp (64.2 kw)
Displacement 259 cu in (4.3 L)
Bore 4 in (101.6 mm)
Stroke 5.1 in (129.6 mm)
Net Power – Sae J1349 80 hp (59.7 kw)
Engine Model Cat C4.2 ACERT
Flywheel Power 80 hp (59.7 kw)
Sae J1349 80 hp (59.7 kw)
Iso 9249 80 hp (59.7 kw)

Operational Specs

Operating Weight 27513.7 lb (12480 kg)
Fuel Tank Capacity 55.5 gal (210 L)
Cooling System Fluid Capacity 4.8 gal (18 L)
Hydraulic System Fluid Capacity 38.4 gal (145 L)
Engine Oil Capacity 5.1 gal (19 L)
Swing Drive Fluid Capacity 0.8 gal (3 L)
Hydraulic System Relief Valve Pressure 5076.4 psi (35000 kPa)
Hydraulic Pump Flow Capacity 31 gal/min (117 L/min)

Swing Mechanism

Swing Speed 11.4 rpm
Swing Torque 22825 lb ft (30946.6 Nm)

Weights

Operating Weight 27514 lb (12480.2 kg)
Operating Weight – Long Undercarriage 27514 lb (12480.2 kg)

Buckets

Reference Bucket Capacity 0.6 yd3 (0.4 m3)
Minimum Bucket Capacity 0.4 yd3 (0.3 m3)
Maximum Bucket Capacity 1 yd3 (0.8 m3)

Hydraulic System

Pilot System – Maximum Flow 6.08 gal/min
Pilot System – Maximum Pressure 598 psi
Maximum Pressure – Travel 5076 psi
Maximum Pressure – Swing 3336 psi
Maximum Pressure – Implements 4424 psi
Main Implement System – Maximum Flow (2x) 30.9 gal/min
Boom Cylinder – Bore 3.9 in (99.1 mm)
Boom Cylinder – Stroke 39.4 in (1000.8 mm)
Stick Cylinder – Bore 4.3 in (109.3 mm)
Stick Cylinder – Stroke 47 in (1193.8 mm)
Bucket Cylinder – Bore 3.9 in (99.1 mm)
Bucket Cylinder – Stroke 37 in (939.8 mm)

Service Refill Capacities

Cooling System 5 gal (19 L)
Fuel Tank Capacity 55 gal (208.2 L)
Final Drive – Each 1 gal (3.8 L)
Hydraulic Tank 21 gal (79.5 L)
Hydraulic System – Including Tank 38 gal (143.9 L)
Engine Oil 5 gal (19 L)
Swing Drive – Each 1 gal (3.8 L)

Sound

Performance ANSI/SAE J1166 OCT 98

Standards

Cab/Fogs SAE J1356 FEB88/ISO 10262

Drive

Maximum Drawbar Pull 25600 lb (11612 kg)
Travel Speed 3.1 mph (5 km/h)
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