Engine
Net Power - ISO 9249 | 139 HP 104 kW |
Engine Model | Cat C4.4 Cat C4.4 |
Engine Power - ISO 14396 | 145 HP 108 kW |
Bore | 4 in 105 mm |
Stroke | 5 in 127 mm |
Displacement | 269 in³ 4.4 l |
Sign In
Welcome! Sign In to personalize your Cat.com experience
If you already have an existing account with another Cat App, you can use the same account to sign in here
Register Now
One Account. All of Cat.
Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
Account Information
Site Settings
Security
Key Specs
Introducing the 320 GX – our economy model with all the reliability and ease of operation you expect from a Cat® excavator, with easy maintenance and lower cost features designed to give you a faster return on your equipment investment.
Stable and responsive design built on classic, proven components for easy operation and excellent reliability.
Low owning costs, maintenance costs, and fuel consumption means more money in your pocket.
Smart mode and synchronized engine and electrohydraulic control give you competitive performance with low fuel consumption.
Net Power - ISO 9249 | 139 HP 104 kW |
Engine Model | Cat C4.4 Cat C4.4 |
Engine Power - ISO 14396 | 145 HP 108 kW |
Bore | 4 in 105 mm |
Stroke | 5 in 127 mm |
Displacement | 269 in³ 4.4 l |
Main System - Maximum Flow - Implement | 113.4 gal/min 429 l/min |
Maximum Pressure - Equipment | 5075 psi 35000 kPa |
Maximum Pressure - Travel | 5075 psi 35000 kPa |
Maximum Pressure - Swing | 3626 psi 25000 kPa |
Swing Speed | 11.07 r/min 11.07 r/min |
Maximum Swing Torque | 54875 ft·lbf 74 kN·m |
Operating Weight | 45300 lb 20500 kg |
Fuel Tank Capacity | 390 l 103 gal (US) |
Cooling System | 6.5 gal (US) 24.5 l |
Engine Oil | 4 gal (US) 15 l |
Swing Drive | 3.2 gal (US) 12 l |
Final Drive - Each | 1.2 gal (US) 4.5 l |
Hydraulic System - Including Tank | 57.6 gal (US) 218 l |
Hydraulic Tank | 30.4 gal (US) 115 l |
Boom | Reach 5.7 m (18'8") Reach 5.7 m (18'8") |
Stick | Reach R2.7 m (8'10") Reach R2.7 m (8'10") |
Bucket | GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³) |
Shipping Height - Top of Cab | 9.8 ft 2950 mm |
Handrail Height | 9.11 ft 3010 mm |
Shipping Length | 31.5 ft 9570 mm |
Tail Swing Radius | 9.3 ft 2830 mm |
Counterweight Clearance | 3.5 ft 1044 mm |
Ground Clearance | 1.6 ft 464 mm |
Track Length | 4080 mm 13.5 ft |
Track Length to Center of Rollers | 10.9 ft 3265 mm |
Track Gauge | 7.3 ft 2200 mm |
Note | Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps |
Transport Width - 790 mm (31 in) Shoes | 2990 mm 9.1 ft |
Transport Width - 600 mm (24 in) Shoes | 2800 mm 9.2 ft |
Maximum Digging Depth | 21.1 ft 6430 mm |
Boom | Reach 5.7 m (18'8") Reach 5.7 m (18'8") |
Stick | Reach R2.7 m (8'10") Reach R2.7 m (8'10") |
Bucket | GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³) |
Maximum Reach at Ground Level | 31.5 ft 9580 mm |
Maximum Cutting Height | 30.6 ft 9290 mm |
Maximum Loading Height | 21.1 ft 6450 mm |
Minimum Loading Height | 8.1 ft 2460 mm |
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 20.6 ft 6250 mm |
Maximum Vertical Wall Digging Depth | 18.1 ft 5510 mm |
Bucket Digging Force - ISO | 30597 ft·lbf 136 kN |
Stick Digging Force - ISO | 23897 ft·lbf 106 kN |
Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.