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311F L RR Hydraulic Excavator Specifications
Engine Model Cat® C3.4B
Engine Model Cat® C3.4B
Flywheel Power 70 hp
Flywheel Power 70 HP

Engine

Engine Model
Cat® C3.4B
Engine Model
Cat® C3.4B
Flywheel Power
70 hp
Flywheel Power
70 HP
Bore
3.90 in
Bore
3.9 in
Stroke
4.33 in
Stroke
4.33 in
Displacement
207 in3
Displacement
207 in³
Gross Power – SAE J1995
74 hp
Net Power – SAE J1349
70 hp
Gross Power - SAE J1995
74 HP
Net Power - SAE J1349
70 HP
Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.
Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.

Weights

Operating Weight
28660 lb
Operating Weight
28660 lb

Machine Weight

Operating Weight*
28660 lb
Note
*4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
Note
*4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
Operating Weight*
28660 lb

Swing

Swing Torque
22791 ft·lbf
Swing Speed
10 r/min

Drive

Maximum Drawbar Pull
25696 lb
Maximum Drawbar Pull
25696 lb
Maximum Travel Speed – High
3.4 mph
Maximum Travel Speed - High
3.4 mile/h
Maximum Travel Speed – Low
2.2 mph
Maximum Travel Speed - Low
2.2 mile/h

Hydraulic System

Maximum Pressure – Travel
5076 psi
Maximum Pressure – Swing
3336 psi
Pilot System – Maximum Flow
5.8 gal/min
Pilot System – Maximum Pressure
598 psi
Maximum Pressure – Equipment
4424 psi
Main System - Maximum Flow - Total
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi
Pilot System - Maximum Flow
5.8 gal/min
Pilot System - Maximum Pressure
598 psi
Boom Cylinder – Bore
4 in
Boom Cylinder – Stroke
39 in
Stick Cylinder – Bore
4 in
Stick Cylinder – Stroke
47 in
Bucket Cylinder – Bore
4 in
Bucket Cylinder – Stroke
37 in
Boom Cylinder - Bore
4 in
Boom Cylinder - Stroke
39 in
Bucket Cylinder - Bore
4 in
Bucket Cylinder - Stroke
37 in
Stick Cylinder - Bore
4 in
Stick Cylinder - Stroke
47 in

Service Refill Capacities

Cooling System
2.4 gal
Cooling System
2.4 gal (US)
Swing Drive (each)
0.63 gal
Swing Drive - Each
0.63 gal (US)
Final Drive (each)
0.79 gal
Final Drive - Each
0.79 gal (US)
Hydraulic System (including tank)
42.3 gal
Hydraulic System - Including Tank
42.3 gal (US)
Hydraulic Tank
25.1 gal
Hydraulic Tank
25.1 gal (US)
Engine Oil (with filter)
2.1 gal
Fuel Tank Capacity
55.48 gal
Engine Oil - With Filter
2.1 gal (US)
Fuel Tank Capacity
55.48 gal (US)

Sound

ISO 6395 – Spectator Noise
99 dB(A)
ISO 6396 - Operator Noise (Closed)
72 dB(A)
ISO 6395 - Spectator Noise
99 dB(A)

Dimensions: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick

Shipping Height
9.25 ft
Shipping Height at Boom Top
9.08 ft
Handrail Height
9.25 ft
Shipping Length – Long Undercarriage
22.67 ft
Shipping Length – Long Undercarriage with Blade
24.67 ft
Tail Swing Radius
5.75 ft
Length to Center of Rollers
9.08 ft
Track Length
11.42 ft
Ground Clearance
1.42 ft
Track Gauge
6.50 ft
Transport Width – 700 mm (28") Shoes
8.75 ft
Cab Height
9.08 ft

Working Ranges: Reach Boom – 4.3 m (14'1"); R2.8 m (9'2") Stick

Maximum Digging Depth
18.33 ft
Maximum Reach at Ground Level
26.58 ft
Maximum Cutting Height
26.67 ft
Maximum Loading Height
18.92 ft
Minimum Loading Height
4.33 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
16.33 ft
Maximum Vertical Wall Digging Depth
16.00 ft

Track

Number of Shoes (each side)
43 pieces
Number of Track Rollers (each side)
6 pieces
Number of Carrier Rollers (each side)
1 piece
Number of Carrier Rollers - Each Side
1 piece
Number of Shoes - Each Side
43 pieces
Number of Track Rollers - Each Side
6 pieces

Dimensions - Reach Boom - 4.3 m (14'1"); R2.8 m (9'2") Stick

Cab Height - With Top Guard
9.5 ft
Counterweight Clearance
3 ft
Cab Height
9.08 ft
Ground Clearance
1.42 ft
Handrail Height
9.25 ft
Length - Center of Rollers
9.08 ft
Shipping Height
9.25 ft
Shipping Height - Top of Boom
9.08 ft
Shipping Length - Long Undercarriage
22.67 ft
Shipping Length - Long Undercarriage with Blade
24.67 ft
Tail Swing Radius
5.75 ft
Track Gauge
6.5 ft
Track Length
11.42 ft
Transport Width - 700 mm (28 in) Shoes
8.75 ft

Working Ranges - Reach Boom - 4.3 m (14'1"); R2.8 m (9'2") Stick

Maximum Cutting Height
26.67 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
16.33 ft
Maximum Digging Depth
18.33 ft
Maximum Loading Height
18.92 ft
Maximum Reach - Ground Level
26.58 ft
Maximum Vertical Wall Digging Depth
16 ft
Minimum Loading Height
4.33 ft