318B LN Hydraulic Excavator

Overview & Specifications

Overview & Specifications

Engine

Engine Model
3046T
3046T
Flywheel Power
115 hp
86 kW
Gross Power
119 hp
89 kW
ISO 9249
115 hp
86 kW
SAE J1349
115 hp
86 kW
EEC 80/1269
115 hp
86 kW
Bore
3.7 in
94 mm
Stroke
4.72 in
120 mm
Displacement
305 in3
5 L

Weights

Operating Weight
40260 lb
18260 kg
Operating Weight – Long Undercarriage
40540 lb
18390 kg
Operating Weight – Long Narrow Undercarriage
40260 lb
18260 kg

Swing Mechanism

Swing Torque
31750 lb ft
43000 kN·m
Swing Speed
11.1 RPM
11.1 RPM

Drive

Maximum Drawbar Pull
39000 lb
174 kN
Travel Speed
2.9 mph
4.6 km/h

Hydraulic System

Main Implement System – Maximum Flow (2x)
40 gal/min
150 L/min
Maximum Pressure – Implements
4980 psi
34312.2 kPa
Maximum Pressure – Travel
4980 psi
34312.2 kPa
Maximum Pressure – Swing
3700 psi
25443 kPa
Pilot System – Maximum Flow
4.2 gal/min
16 L/min
Pilot System – Maximum Pressure
570 psi
3927.3 kPa
Boom Cylinder – Bore
5 in
120 mm
Boom Cylinder – Stroke
47 in
1193 mm
Stick Cylinder – Bore
5.1 in
130 mm
Stick Cylinder – Stroke
54 in
1364 mm
Bucket Cylinder – Bore
4.3 in
110 mm
Bucket Cylinder – Stroke
41 in
1048 mm

Service Refill Capacities

Fuel Tank
74 gal
280 L
Cooling System
4.6 gal
17.3 L
Engine Oil
3.4 gal
13 L
Swing Drive (each)
0.8 gal
3 L
Final Drive (each)
0.7 gal
2.6 L
Hydraulic System (including Tank)
49.7 gal
188 L
Hydraulic Tank
27.7 gal
105 L
  
  
 

Cat Products & Services

The Cat equipment product line, consists of more than 300 products for the construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and has a wide offering of related services.

About Caterpillar Inc.

Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.

Learn more about:

  • Company
  • Brands
  • Sustainability
  • Innovation
  • News
  • Investors
  • Visitors Center
  • Careers
Visit Caterpillar Inc. Visit Caterpillar.com