Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : 311D LRR ➔
The Caterpillar 311D LRR Excavator offers exceptional performance and versatility for various construction and excavation projects. With multiple boom/stick options providing impressive maximum cutting heights, loading heights, and digging depths, this excavator is designed to handle a wide range of tasks with ease. Its powerful engine, efficient hydraulic system, and solid construction make it a reliable choice for demanding job sites. From its compact dimensions to its comfortable cab and advanced features, the Caterpillar 311D LRR ensures smooth operation and enhanced productivity on every project.
Boom/Stick 1
Caterpillar 311D LRR Excavator Boom/Stick 1 specifications
Boom/Stick 1
Boom 4300mm (14\\\' 1\\\'\\\') / Stick 2250mm (7\\\' 5\\\'\\\')
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)
Shipping Height Of Unit
9.39 ft (2.86 m)
Shipping Length Of Unit
22.69 ft (6.92 m)
Boom/Stick 2
Caterpillar 311D LRR Excavator Boom/Stick 2 specifications
Boom/Stick 2
Boom 4300mm (14\\\' 1\\\'\\\') / Stick 2600mm (8\\\' 6\\\'\\\')
Max Cutting Height
26.22 ft (7.99 m)
Max Digging Depth
17.69 ft (5.39 m)
Max Loading Height
18.51 ft (5.64 m)
Max Reach Along Ground
25.92 ft (7.90 m)
Max Vertical Wall Digging Depth
15.65 ft (4.77 m)
Shipping Height Of Unit
9.91 ft (3.02 m)
Shipping Length Of Unit
22.58 ft (6.88 m)
Boom/Stick 3
Caterpillar 311D LRR Excavator Boom/Stick 3 specifications
Boom/Stick 3
Boom 4300mm (14\\\' 1\\\'\\\') / Stick 2800mm (9\\\' 2\\\'\\\')
Max Cutting Height
26.68 ft (8.13 m)
Max Digging Depth
18.34 ft (5.59 m)
Max Loading Height
18.94 ft (5.77 m)
Max Reach Along Ground
26.58 ft (8.10 m)
Max Vertical Wall Digging Depth
16.34 ft (4.98 m)
Shipping Height Of Unit
10.37 ft (3.16 m)
Shipping Length Of Unit
22.40 ft (6.83 m)
Buckets
Caterpillar 311D LRR Excavator Buckets specifications
Maximum Bucket Capacity
1 cu yd
Minimum Bucket Capacity
0.4 cu yd
Reference Bucket Capacity
0.6 cu yd
Dimensions
Caterpillar 311D LRR Excavator Dimensions specifications
Counterweight Clearance
3.00 ft (0.91 m)
Ground Clearance
1.50 ft (0.46 m)
Height
9.33 ft (2.84 m)
Height To Top Of Cab
9.04 ft (2.76 m)
Length
22.58 ft (6.88 m)
Length - Center Of Rollers
9.12 ft
Length Of Track On Ground
9.13 ft (2.78 m)
Removal Counterweight Clearance
2.99 ft (0.91 m)
Shipping Height
9.41 ft (2.87 m)
Tail Swing Radius
5.75 ft (1.75 m)
Transport Width
8.50 ft (2.59 m)
Weight
27,513.00 lbs (12,479.70 kg)
Width
8.42 ft (2.57 m)
Width To Outside Of Tracks
8.50 ft (2.59 m)
Drive
Caterpillar 311D LRR Excavator Drive specifications
Maximum Drawbar Pull
25,600.00 lbs (11,611.98 kg)
Travel Speed
3.10 mph (4.99 kph)
Engine
Caterpillar 311D LRR Excavator Engine specifications
Bore
4.00 in (10.16 cm)
Displacement
259.00 cu in (4,244.26 cu cm)
Engine Make
2236
Engine Model
C4.2 ACERT
Flywheel Power
80.00 hp (59.66 kw)
Gross Power
86.00 hp (64.13 kw)
Iso 9249
80.00 hp (59.66 kw)
Net Power
80.00 hp (59.66 kw)
Net Power - Sae J1349
80.00 hp (59.66 kw)
Sae J1349
80.00 hp (59.66 kw)
Stroke
5.10 in (12.95 cm)
Hydraulic System
Caterpillar 311D LRR Excavator Hydraulic System specifications
Boom Cylinder - Bore
3.90 in (9.91 cm)
Boom Cylinder - Stroke
39.40 in (100.08 cm)
Bucket Cylinder - Bore
3.90 in (9.91 cm)
Bucket Cylinder - Stroke
37.00 in (93.98 cm)
Main Implement System - Maximum Flow (2x)
30.90 gpm (116.96 lpm)
Maximum Pressure - Implements
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi
Pilot System - Maximum Flow
6.08 gpm (23.01 lpm)
Pilot System - Maximum Pressure
598 psi
Stick Cylinder - Bore
4.30 in (10.92 cm)
Stick Cylinder - Stroke
47.00 in (119.38 cm)
Operational
Caterpillar 311D LRR Excavator Operational specifications
Cooling System Fluid Capacity
4.80 gal (18.17 l)
Engine Oil Capacity
5.10 gal (19.30 l)
Fuel Capacity
55.50 gal (210.07 l)
Hydraulic Pump Flow Capacity
31.00 gpm (117.34 lpm)
Hydraulic System Fluid Capacity
38.40 gal (145.34 l)
Hydraulic System Relief Valve Pressure
5076.4 psi
Operating Weight
27,513.70 lbs (12,480.02 kg)
Swing Drive Fluid Capacity
0.80 gal (3.03 l)
Service Refill Capacities
Caterpillar 311D LRR Excavator Service Refill Capacities specifications
Cooling System
5.00 gal (18.93 l)
Engine Oil
5.00 gal (18.93 l)
Final Drive - Each
1.00 gal (3.79 l)
Fuel Tank
55.00 gal (208.18 l)
Hydraulic System - Including Tank
38.00 gal (143.83 l)
Hydraulic Tank
21.00 gal (79.49 l)
Swing Drive - Each
1.00 gal (3.79 l)
Sound
Caterpillar 311D LRR Excavator Sound specifications
Performance
ANSI/SAE J1166 OCT 98
Standards
Caterpillar 311D LRR Excavator Standards specifications
Cab/Fogs
SAE J1356 FEB88/ISO 10262
Swing Mechanism
Caterpillar 311D LRR Excavator Swing Mechanism specifications
Swing Speed
11.4 rpm
Swing Torque
22,825.00 lbs ft (30,946.14 nm)
Undercarriage
Caterpillar 311D LRR Excavator Undercarriage specifications
Drawbar Pull
25,628.22 lbs (11,624.78 kg)
Ground Pressure
4.97 psi
Max Travel Speed
3.17 mph (5.10 kph)
Shoe Size
23.63 in (60.02 cm)
Track Gauge
6.53 ft (1.99 m)
Weights
Caterpillar 311D LRR Excavator Weights specifications
Operating Weight
27,514.00 lbs (12,480.16 kg)
Operating Weight - Long Undercarriage
27,514.00 lbs (12,480.16 kg)
