311D LRR Hydraulic Excavator

Overview & Specifications

Overview & Specifications

Engine

Engine Model
Cat® C4.2 ACERT™
Cat® C4.2 ACERT™
Flywheel Power
80 hp
60 kW
Gross Power
86 hp
64 kW
ISO 9249
80 hp
60 kW
SAE J1349
80 hp
60 kW
Bore
4 in
102 mm
Stroke
5.1 in
130 mm
Displacement
259 in3
4.25 L
Net Power – SAE J1349
80 hp
60 kW

Weights

Operating Weight
27514 lb
12480 kg
Operating Weight – Long Undercarriage
27514 lb
12480 kg

Swing Mechanism

Swing Torque
22825 lb ft
30900 kN·m
Swing Speed
11.4 RPM
11.4 RPM

Drive

Maximum Drawbar Pull
25600 lb
114 kN
Travel Speed
3.1 mph
5.1 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)
30.9 gal/min
117 L/min
Maximum Pressure – Implements
4424 psi
30500 kPa
Maximum Pressure – Travel
5076 psi
35000 kPa
Maximum Pressure – Swing
3336 psi
23000 kPa
Pilot System – Maximum Flow
6.08 gal/min
23 L/min
Pilot System – Maximum Pressure
598 psi
4120 kPa
Boom Cylinder – Bore
3.9 in
100 mm
Boom Cylinder – Stroke
39.4 in
1002 mm
Stick Cylinder – Bore
4.3 in
110 mm
Stick Cylinder – Stroke
47 in
1194 mm
Bucket Cylinder – Bore
3.9 in
100 mm
Bucket Cylinder – Stroke
37 in
939 mm

Service Refill Capacities

Fuel Tank
55 gal
210 L
Cooling System
5 gal
18 L
Engine Oil
5 gal
19 L
Swing Drive (each)
1 gal
3 L
Final Drive (each)
1 gal
3 L
Hydraulic System (including Tank)
38 gal
145 L
Hydraulic Tank
21 gal
78 L

Standards

Cab/FOGS
SAE J1356 FEB88/ISO 10262
SAE J1356 FEB88/ISO 10262

Sound

Performance
ANSI/SAE J1166 OCT 98
ANSI/SAE J1166 OCT 98

Dimensions

Transport width
102 in
2590 mm
Counterweight Clearance
36 in
910 mm
Length to Center of Rollers
9.12 ft
2780 mm
Shipping Height
9.41 ft
2860 mm
  
  
 

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