Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : 320 GC ➔
The Caterpillar 320 GC is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, site preparation, and utility work. It is part of the Cat 320 series and is commonly used in construction, civil engineering, and material handling applications. The 320 GC emphasizes fuel efficiency, simplified operation, and lower operating costs compared with higher-spec models in the range. Typical features include a Cat diesel engine, hydraulic system optimized for standard-duty work, and a comfortable operator cab with modern controls. The model is available with multiple boom, stick, and undercarriage configurations depending on region and application.
General Specifications
Caterpillar 320 GC Excavator General Specifications specifications
Digging Depth
22.00 ft (6.71 m) - Starting 2025
Digging Reach
32.30 ft (9.85 m) - Starting 2025
Engine
146.00 hp (108.87 kw) - Starting 2025
Operating Weight
48,500.00 lbs (21,999.26 kg) - Starting 2025
Dimensions
Caterpillar 320 GC Excavator Dimensions specifications
Boom
Reach 5.7 m (18'8") - Starting 2026
Bucket
GD 1 m³ (1.31 yd³) - Starting 2026
Counterweight Clearance
3.40 ft (1.04 m) - Starting 2026
Ground Clearance
1.50 ft (0.46 m) - Starting 2026
Handrail Height
9.80 ft (2.99 m) - Starting 2026
Height
9.67 ft (2.95 m)
Length
31.00 ft (9.45 m)
Length to Center of Rollers
11.11 ft (3.39 m) - Starting 2026
Shipping Height - Top of Cab
9.70 ft (2.96 m) - Starting 2026
Shipping Length
31.30 ft (9.54 m) - Starting 2026
Stick
Reach 2.9 m (9'6") - Starting 2026
Tail Swing Radius
9.30 ft (2.83 m) - Starting 2026
Track Gauge
7.90 ft (2.41 m) - Starting 2026
Track Length
14.70 ft (4.48 m) - Starting 2026
Transport Width
10.40 ft (3.17 m) - Starting 2026
Weight
49,600.00 lbs (22,498.21 kg)
Width
10.33 ft (3.15 m)
Engine
Caterpillar 320 GC Excavator Engine specifications
Biodiesel Capability
Up to B20¹ - Starting 2026
Bore
4.00 in (10.16 cm) - Starting 2026
Displacement
269.00 cu in (4,408.13 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® C4.4 - Starting 2026
Engine Power - ISO 14396
148.00 hp (110.37 kw) - Starting 2026
Engine Power - ISO 14396 (DIN)
150.00 hp (111.86 kw) - Starting 2026
Net Power - ISO 9249
146.00 hp (108.87 kw) - Starting 2026
Net Power - ISO 9249 (DIN)
148.00 hp (110.37 kw) - Starting 2026
Stroke
5.00 in (12.70 cm) - Starting 2026
Hydraulic System
Caterpillar 320 GC Excavator Hydraulic System specifications
Main System - Maximum Flow
442.00 lpm (116.78 gpm) - Starting 2026
Maximum Pressure - Equipment
5075 psi - Starting 2026
Maximum Pressure - Swing
3625 psi - Starting 2026
Maximum Pressure - Travel
4974 psi - Starting 2026
Service Refill Capacities
Caterpillar 320 GC Excavator Service Refill Capacities specifications
Cooling System
6.60 gal (24.98 l) - Starting 2026
DEF Tank
10.30 gal (38.99 l) - Starting 2026
Engine Oil
4.00 gal (15.14 l) - Starting 2026
Final Drive - Each
1.10 gal (4.16 l) - Starting 2026
Fuel Tank Capacity
91.10 gal (344.81 l) - Starting 2026
Hydraulic System - Including Tank
61.80 gal (233.91 l) - Starting 2026
Hydraulic Tank
30.40 gal (115.06 l) - Starting 2026
Swing Drive
3.20 gal (12.11 l) - Starting 2026
Sustainability
Caterpillar 320 GC Excavator Sustainability specifications
Recyclability
97% - Starting 2026
Swing Mechanism
Caterpillar 320 GC Excavator Swing Mechanism specifications
Maximum Swing Torque
54,900.00 lbs ft (74,433.42 nm) - Starting 2026
Swing Speed*
11.6 r/min - Starting 2026
Weights
Caterpillar 320 GC Excavator Weights specifications
Operating Weight
48,500.00 lbs (21,999.26 kg) - Starting 2026
Working Ranges And Forces
Caterpillar 320 GC Excavator Working Ranges And Forces specifications
Boom
Reach 5.7 m (18.8) - Starting 2026
Bucket
GD 1 m³ (1.31 yd³) - Starting 2026
Bucket Digging Force - ISO
28,935.00 lbs ft (39,230.07 nm) - Starting 2026
Maximum Cutting Height
31.00 ft (9.45 m) - Starting 2026
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.60 ft (6.58 m) - Starting 2026
Maximum Digging Depth
22.00 ft (6.71 m) - Starting 2026
Maximum Loading Height
21.30 ft (6.49 m) - Starting 2026
Maximum Reach at Ground Level
32.30 ft (9.85 m) - Starting 2026
Maximum Vertical Wall Digging Depth
18.70 ft (5.70 m) - Starting 2026
Minimum Loading Height
7.10 ft (2.16 m) - Starting 2026
Stick
Reach 2.9 m (9'6") - Starting 2026
Stick Digging Force - ISO
22,281.00 lbs ft (30,208.58 nm) - Starting 2026
