Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : 340 ➔
The Caterpillar 340 is a large hydraulic excavator in Caterpillar's excavator lineup, designed for heavy-duty earthmoving, trenching, site preparation, and material handling. It is commonly used in construction, infrastructure, quarry, and utility applications where high digging force, reach, and lifting capability are required. The 340 typically features a fuel-efficient Cat diesel engine, advanced hydraulic controls, and an operator cab designed for visibility and comfort. Available with multiple boom, stick, and undercarriage configurations, the model can be adapted for different jobsite conditions. The Caterpillar 340 is recognized for productivity, durability, and compatibility with a wide range of work tools.
General Specifications
Caterpillar 340 Excavator General Specifications specifications
Digging Depth
26.90 ft (8.20 m) - Starting 2025
Digging Reach
38.60 ft (11.77 m) - Starting 2025
Engine
346.00 hp (258.02 kw) - Starting 2025
Operating Weight
83,100.00 lbs (37,693.57 kg) - Starting 2025
Dimensions
Caterpillar 340 Excavator Dimensions specifications
Boom
Reach 6.5 m (21'4") - Starting 2026
Bucket
HD 2.36 m³ (3.08 yd³) - Starting 2026
Counterweight Clearance
4.20 ft (1.28 m) - Starting 2026
Ground Clearance
1.80 ft (0.55 m) - Starting 2026
Handrail Height
10.50 ft (3.20 m) - Starting 2026
Height
12.25 ft (3.73 m)
Length
36.83 ft (11.23 m)
Shipping Height - Top of Cab
10.50 ft (3.20 m) - Starting 2026
Shipping Length
36.80 ft (11.22 m) - Starting 2026
Stick
Reach 3.9 m (12'10") - Starting 2026
Tail Swing Radius
11.70 ft (3.57 m) - Starting 2026
Track Gauge
9.00 ft (2.74 m) - Starting 2026
Track Length
16.60 ft (5.06 m) - Starting 2026
Track Length to Center of Rollers
13.30 ft (4.05 m) - Starting 2026
Transport Width - 850 mm (33”) Shoes
11.90 ft (3.63 m) - Starting 2026
Weight
84,100.00 lbs (38,147.17 kg)
Width
12.00 ft (3.66 m)
Engine
Caterpillar 340 Excavator Engine specifications
Biodiesel Capability
Up to B20¹ - Starting 2026
Bore
5.00 in (12.70 cm) - Starting 2026
Displacement
568.00 cu in (9,307.87 cu cm) - Starting 2026
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. - Starting 2026
Engine Model
Cat C9.3B - Starting 2026
Engine Power - ISO 14396
347.00 hp (258.76 kw) - Starting 2026
Engine Power - ISO 14396 (DIN)
352.00 hp (262.49 kw) - Starting 2026
Net Power - ISO 9249
346.00 hp (258.02 kw) - Starting 2026
Net Power - ISO 9249 (DIN)
351.00 hp (261.74 kw) - Starting 2026
Stroke
6.00 in (15.24 cm) - Starting 2026
Hydraulic System
Caterpillar 340 Excavator Hydraulic System specifications
Main System - Maximum Flow
148.00 gpm (560.18 lpm) - Starting 2026
Maximum Pressure - Equipment
5076 psi - Starting 2026
Maximum Pressure - Equipment - Lift Mode
5511 psi - Starting 2026
Maximum Pressure - Swing
4264 psi - Starting 2026
Maximum Pressure - Travel
5076 psi - Starting 2026
Service Refill Capacities
Caterpillar 340 Excavator Service Refill Capacities specifications
Cooling System
10.50 gal (39.74 l) - Starting 2026
DEF Tank
21.10 gal (79.86 l) - Starting 2026
Engine Oil
8.50 gal (32.17 l) - Starting 2026
Final Drive - Each
2.10 gal (7.95 l) - Starting 2026
Fuel Tank Capacity
158.50 gal (599.92 l) - Starting 2026
Hydraulic System - Including Tank
98.50 gal (372.82 l) - Starting 2026
Hydraulic Tank
42.50 gal (160.86 l) - Starting 2026
Swing Drive - Each
4.80 gal (18.17 l) - Starting 2026
Swing Mechanism
Caterpillar 340 Excavator Swing Mechanism specifications
Maximum Swing Torque
105,214.00 lbs ft (142,649.14 nm) - Starting 2026
Weights
Caterpillar 340 Excavator Weights specifications
Operating Weight
83,100.00 lbs (37,693.57 kg) - Starting 2026
Working Ranges And Forces
Caterpillar 340 Excavator Working Ranges And Forces specifications
Boom
Reach 6.5 m (21'4") - Starting 2026
Bucket
HD 2.36 m³ (3.08 yd³) - Starting 2026
Bucket Digging Force - ISO
47,190.00 lbs ft (63,980.20 nm) - Starting 2026
Maximum Cutting Height
35.30 ft (10.76 m) - Starting 2026
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
26.50 ft (8.08 m) - Starting 2026
Maximum Digging Depth
26.90 ft (8.20 m) - Starting 2026
Maximum Loading Height
24.50 ft (7.47 m) - Starting 2026
Maximum Reach at Ground Level
38.60 ft (11.77 m) - Starting 2026
Maximum Vertical Wall Digging Depth
21.10 ft (6.43 m) - Starting 2026
Minimum Loading Height
6.20 ft (1.89 m) - Starting 2026
Stick
Reach 3.9 m (12'10") - Starting 2026
Stick Digging Force - ISO
32,480.00 lbs ft (44,036.39 nm) - Starting 2026
