Category : Excavators ➔
Manufacturer : Caterpillar ➔
Model : 320D ➔
The Caterpillar 320D is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, site preparation, and material handling. It is powered by a Caterpillar diesel engine and uses a hydraulic system matched to digging, lifting, and swing operations. The 320D is commonly configured with a standard boom, stick, and bucket, and may be equipped with auxiliary hydraulics for attachments. Typical features include an enclosed operator cab, electronic monitoring, and service access for routine maintenance. The model is used in construction, utility work, road building, and quarry support applications.
Boom/Stick 1
Caterpillar 320D Excavator Boom/Stick 1 specifications
Boom/Stick 1
Boom 18'7" (5680mm)/ Stick 12'8" (3900mm)
Max Cutting Height
32.62 ft (9.94 m)
Max Digging Depth
25.14 ft (7.66 m)
Max Loading Height
22.77 ft (6.94 m)
Max Reach Along Ground
35.31 ft (10.76 m)
Max Vertical Wall Digging Depth
22.87 ft (6.97 m)
Shipping Height Of Unit
12.28 ft (3.74 m)
Shipping Length Of Unit
30.98 ft (9.44 m)
Boom/Stick 2
Caterpillar 320D Excavator Boom/Stick 2 specifications
Boom/Stick 2
Boom 18'7" (5680mm)/ Stick 9'7" (2900mm)
Max Cutting Height
31.14 ft (9.49 m)
Max Digging Depth
22.05 ft (6.72 m)
Max Loading Height
22.77 ft (6.94 m)
Max Reach Along Ground
32.35 ft (9.86 m)
Max Vertical Wall Digging Depth
19.89 ft (6.06 m)
Shipping Height Of Unit
9.95 ft (3.03 m)
Shipping Length Of Unit
31.04 ft (9.46 m)
Boom/Stick 3
Caterpillar 320D Excavator Boom/Stick 3 specifications
Boom/Stick 3
Boom 18'7" (5680mm)/ Stick 8'2" (2500mm)
Max Cutting Height
30.48 ft (9.29 m)
Max Digging Depth
20.67 ft (6.30 m)
Max Loading Height
20.64 ft (6.29 m)
Max Reach Along Ground
31.04 ft (9.46 m)
Max Vertical Wall Digging Depth
18.54 ft (5.65 m)
Shipping Height Of Unit
10.01 ft (3.05 m)
Shipping Length Of Unit
31.04 ft (9.46 m)
Boom/Stick 4
Caterpillar 320D Excavator Boom/Stick 4 specifications
Boom/Stick 4
Boom 17'1" (5200mm)/ Stick 7'10" (2400mm)
Max Cutting Height
29.30 ft (8.93 m)
Max Digging Depth
19.33 ft (5.89 m)
Max Loading Height
18.77 ft (5.72 m)
Max Reach Along Ground
29.40 ft (8.96 m)
Max Vertical Wall Dig Depth
17.59 ft (5.36 m)
Shipping Height Of Unit
10.77 ft (3.28 m)
Shipping Length Of Unit
29.70 ft (9.05 m)
Boom/Stick 5
Caterpillar 320D Excavator Boom/Stick 5 specifications
Boom/Stick 5
Boom 29'1" (8850mm)/ Stick 20'7" (6280mm)
Max Cutting Height
43.44 ft (13.24 m)
Max Digging Depth
38.52 ft (11.74 m)
Max Loading Height
36.59 ft (11.15 m)
Max Reach Along Ground
51.15 ft (15.59 m)
Max Vertical Wall Dig Depth
37.08 ft (11.30 m)
Shipping Height Of Unit
10.47 ft (3.19 m)
Shipping Length Of Unit
41.61 ft (12.68 m)
Buckets
Caterpillar 320D Excavator Buckets specifications
Maximum Bucket Capacity
1.6 cu yd
Minimum Bucket Capacity
0.6 cu yd
Reference Bucket Capacity
1.2 cu yd
Dimensions
Caterpillar 320D Excavator Dimensions specifications
Ground Clearance
1.48 ft (0.45 m)
Height
9.92 ft (3.02 m)
Height To Top Of Cab
9.68 ft (2.95 m)
Length
31.33 ft (9.55 m)
Length Of Track On Ground
10.72 ft (3.27 m)
Removal Counterweight Clearance
3.35 ft (1.02 m)
Tail Swing Radius
9.03 ft (2.75 m)
Weight
43,000.00 lbs (19,504.50 kg)
Width
10.42 ft (3.18 m)
Width To Outside Of Tracks
9.19 ft (2.80 m)
Engine
Caterpillar 320D Excavator Engine specifications
Aspiration
Turbocharged
Displacement
388.80 cu in (6,371.30 cu cm)
Engine Make
2236
Engine Model
3066 ATAAC
Net Power
140.00 hp (104.40 kw)
Power Measured @
1800 rpm
Operational
Caterpillar 320D Excavator Operational specifications
Cooling System Fluid Capacity
6.70 gal (25.36 l)
Engine Oil Capacity
8.00 gal (30.28 l)
Fuel Capacity
108.40 gal (410.29 l)
Hydraulic Pump Flow Capacity
54.00 gpm (204.39 lpm)
Hydraulic System Fluid Capacity
68.70 gal (260.03 l)
Hydraulic System Relief Valve Pressure
5076 psi
Operating Weight
44,820.00 lbs (20,330.04 kg)
Swing Drive Fluid Capacity
2.20 gal (8.33 l)
Swing Mechanism
Caterpillar 320D Excavator Swing Mechanism specifications
Swing Speed
11.5 rpm
Swing Torque
45,612.00 lbs ft (61,840.75 nm)
Undercarriage
Caterpillar 320D Excavator Undercarriage specifications
Drawbar Pull
46,311.00 lbs (21,006.34 kg)
Max Travel Speed
3.42 mph (5.50 kph)
Shoe Size
23.63 in (60.02 cm)
Track Gauge
7.22 ft (2.20 m)