Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : M320 ➔
The Caterpillar M320 is a wheeled excavator in Caterpillar's excavator lineup, designed for road work, utility projects, material handling, and general construction applications. It combines mobility with excavating capability, allowing travel between job sites without a separate transport vehicle in many cases. The M320 is typically equipped with a hydraulic system, a rotating upper structure, and a cab configured for operator visibility and control. Common attachments may include buckets, grapples, and other work tools depending on configuration. As part of the Caterpillar excavator range, the M320 is used in tasks requiring digging, lifting, trenching, and site preparation.
Dimensions
Caterpillar M320 Excavator Dimensions specifications
Boom
Variable Adjustable Boom 5260 mm (17'3") - Starting 2026
Bucket
GD 0.98 m³ (1.28 yd³) - Starting 2026
Counterweight Clearance
4.30 ft (1.31 m) - Starting 2026
Ground Clearance
1.40 ft (0.43 m) - Starting 2026
Height
10.25 ft (3.12 m)
Length
31.33 ft (9.55 m)
Shipping Height - Top of Cab
11.10 ft (3.38 m) - Starting 2026
Shipping Length
29.30 ft (8.93 m) - Starting 2026
Stick
2500 mm (8'2") - Starting 2026
Support Point
11.70 ft (3.57 m) - Starting 2026
Tail Swing Radius
8.50 ft (2.59 m) - Starting 2026
Undercarriage Length
16.60 ft (5.06 m) - Starting 2026
Weight
45,400.00 lbs (20,593.12 kg)
Wheel Base
8.90 ft (2.71 m) - Starting 2026
Width
9.00 ft (2.74 m)
Drive
Caterpillar M320 Excavator Drive specifications
Maximum Travel Speed
21.70 mph (34.92 kph) - Starting 2026
Engine
Caterpillar M320 Excavator Engine specifications
Biodiesel Capability
Up to B20¹ - Starting 2026
Bore
4.10 in (10.41 cm) - Starting 2026
Displacement
268.50 cu in (4,399.94 cu cm) - Starting 2026
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. - Starting 2026
Engine Model
Cat C4.4 - Starting 2026
Engine Power - ISO 14396
174.00 hp (129.75 kw) - Starting 2026
Engine Power - ISO 14396 (DIN)
176.00 hp (131.25 kw) - Starting 2026
Net Power - ISO 9249
171.00 hp (127.52 kw) - Starting 2026
Net Power - ISO 9249 (DIN)
174.00 hp (129.75 kw) - Starting 2026
Stroke
5.30 in (13.46 cm) - Starting 2026
Hydraulic System
Caterpillar M320 Excavator Hydraulic System specifications
Main System - Maximum Flow - Implement
81.00 gpm (306.59 lpm) - Starting 2026
Maximum Pressure - Implement Circuit - Heavy Lift
5366 psi - Starting 2026
Maximum Pressure - Implement Circuit - Normal
5076 psi - Starting 2026
Maximum Pressure - Implement Circuit - Travel Circuit
5076 psi - Starting 2026
Machine Weight
Caterpillar M320 Excavator Machine Weight specifications
Operating Weight Maximum
46,740.00 lbs (21,200.93 kg) - Starting 2026
Operating Weight Minimum
41,450.00 lbs (18,801.43 kg) - Starting 2026
Service Refill Capacities
Caterpillar M320 Excavator Service Refill Capacities specifications
Cooling System
8.40 gal (31.79 l) - Starting 2026
Diesel Exhaust Fluid (DEF)
7.90 gal (29.90 l) - Starting 2026
Fuel Tank
124.20 gal (470.10 l) - Starting 2026
Hydraulic System - Including Tank
71.30 gal (269.87 l) - Starting 2026
Hydraulic Tank
40.90 gal (154.81 l) - Starting 2026
Swing Mechanism
Caterpillar M320 Excavator Swing Mechanism specifications
Maximum Swing Speed*
9.2 r/min - Starting 2026
Maximum Swing Torque
38,722.00 lbs ft (52,499.29 nm) - Starting 2026
Working Ranges And Forces
Caterpillar M320 Excavator Working Ranges And Forces specifications
Boom
Variable Adjustable Boom 5260 mm (17'3") - Starting 2026
Bucket
GD 0.98 m³ (1.28 yd³) - Starting 2026
Bucket Forces (ISO)
30,799.00 lbs ft (41,757.29 nm) - Starting 2026
Maximum Cutting Height
32.60 ft (9.94 m) - Starting 2026
Maximum Digging Depth
19.80 ft (6.04 m) - Starting 2026
Maximum Loading Height
22.80 ft (6.95 m) - Starting 2026
Maximum Reach at Ground Line
30.50 ft (9.30 m) - Starting 2026
Maximum Vertical Wall Digging Depth
13.90 ft (4.24 m) - Starting 2026
Stick
2500 mm (8'2") - Starting 2026
Stick Forces (ISO)
20,682.00 lbs ft (28,040.66 nm) - Starting 2026
