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Excavators
333 - Tier 3
Excavators
320 GX - Tier 3
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323 GX - Tier 3
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Save this as your preferred unit of measurement clear
Excavators
Selected
333 - Tier 3
333 - Tier 3
Selected
333 - Tier 3
333 - Tier 3
Excavators
320 GX - Tier 3
320 GX - Tier 3
320 GX - Tier 3
320 GX - Tier 3
Excavators
323 GX - Tier 3
323 GX - Tier 3
323 GX - Tier 3
323 GX - Tier 3
 
Engine
Net Power - ISO 9249
260 HP 193.8 kW
139 HP 103.6 kW
166 HP 123.7 kW
Net Power - ISO 9249 (DIN)
263 hp (metric) 263 hp (metric)
141 hp (metric) 141 hp (metric)
168 hp (metric) 168 hp (metric)
Engine Model
Cat C7.1 Cat C7.1
Cat C4.4 Cat C4.4
Cat C4.4 Cat C4.4
Engine Power - ISO 14396
261 HP 195 kW
145 HP 108 kW
174 HP 129.4 kW
Engine Power - ISO 14396 (DIN)
265 hp (metric) 265 hp (metric)
147 hp (metric) 147 hp (metric)
176 hp (metric) 176 hp (metric)
Bore
4 in 105 mm
4 in 105 mm
4 in 105 mm
Stroke
5 in 135 mm
5 in 127 mm
5 in 127 mm
Displacement
428 in³ 7.01 l
269 in³ 4.4 l
269 in³ 4.4 l
Biodiesel Capability
Up to B20¹ Up to B20¹
Up to B20¹ Up to B20¹
Up to B20¹ Up to B20¹
Emissions
Cat C7.1 engine emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Cat C7.1 engine emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with rated engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with rated engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)
¹Cat are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Hydraulic System
Main System - Maximum Flow - Implement
-
113.4 gal/min 429 l/min
113 gal/min 429 l/min
Main System - Maximum Flow
560 l/min (148 gal/min) 560 l/min (148 gal/min)
-
-
Maximum Pressure - Equipment
5075 psi 35000 kPa
5075 psi 35000 kPa
5075 psi 35000 kPa
Maximum Pressure - Travel
5075 psi 35000 kPa
5075 psi 35000 kPa
5075 psi 35000 kPa
Maximum Pressure - Swing
4321 psi 29800 kPa
3626 psi 25000 kPa
3988 psi 27500 kPa
Swing Mechanism
Swing Speed
11.5 r/min 11.5 r/min
11.07 r/min 11.07 r/min
11.13 r/min 11.13 r/min
Maximum Swing Torque
81869 ft·lbf 111 kN·m
54875 ft·lbf 74 kN·m
60333 ft·lbf 82 kN·m
Weights
Operating Weight
71800 lb 32600 kg
45300 lb 20500 kg
48700 lb 22100 kg
Note
Long undercarriage, Heavy Duty (HD) Reach boom, HD R3.2 (10'6") stick, HD 2 m³ (2.62 yd³) bucket, 600 mm (24") triple grouser shoes and 7700 kg (16,980 lb) counterweight. Long undercarriage, Heavy Duty (HD) Reach boom, HD R3.2 (10'6") stick, HD 2 m³ (2.62 yd³) bucket, 600 mm (24") triple grouser shoes and 7700 kg (16,980 lb) counterweight.
Reach boom, R2.7 (8'9") stick, General Duty (GD) 0.93 m³ (1.22 yd³) bucket, 790 mm (31") triple grouser shoes, and 3600 kg (7,940 lb) counterweight. Reach boom, R2.7 (8'9") stick, General Duty (GD) 0.93 m³ (1.22 yd³) bucket, 790 mm (31") triple grouser shoes, and 3600 kg (7,940 lb) counterweight.
Reach boom, R2.9B1 (9'6") stick, General Duty (GD) 1.20 m³ (1.57 yd³) bucket, 790 mm (31") triple grouser shoes and 4250 kg (9,370 lb) counterweight. Reach boom, R2.9B1 (9'6") stick, General Duty (GD) 1.20 m³ (1.57 yd³) bucket, 790 mm (31") triple grouser shoes and 4250 kg (9,370 lb) counterweight.
Service Refill Capacities
Swing Drive
-
1.5 gal (US) 5.5 l
1.5 gal (US) 5.5 l
Fuel Tank Capacity
125.2 gal (US) 474 l
103 gal (US) 390 l
390 l 103 gal (US)
Cooling System
6.6 gal (US) 25 l
6.5 gal (US) 24.5 l
6.5 gal (US) 24.5 l
Engine Oil
6.6 gal (US) 25 l
4 gal (US) 15 l
4 gal (US) 15 l
Swing Drive - Each
3 gal (US) 11.5 l
-
-
Final Drive - Each
1.2 gal (US) 4.5 l
1.2 gal (US) 4.5 l
1.2 gal (US) 4.5 l
Hydraulic System - Including Tank
81.9 gal (US) 310 l
57.6 gal (US) 218 l
57.6 gal (US) 218 l
Hydraulic Tank
38.8 gal (US) 147 l
30.4 gal (US) 115 l
30.4 gal (US) 115 l
Dimensions
Track Length to Center of Rollers
-
10.9 ft 3270 mm
11.4 ft 3450 mm
Boom
HD Reach 6.15 m (20'2") HD Reach 6.15 m (20'2")
Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick
HD Reach 3.2 m (10'6") HD Reach 3.2 m (10'6")
Reach 2.7 m (8'10") Reach 2.7 m (8'10")
Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket
HD 2 m³ (2.62 yd³) HD 2 m³ (2.62 yd³)
GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³)
GD 1.20 m³ (1.57 yd³) GD 1.20 m³ (1.57 yd³)
Shipping Height - Top of Cab
10 ft 3060 mm
9.9 ft 2970 mm
9.1 ft 2980 mm
Handrail Height
10 ft 3060 mm
9.11 ft 3010 mm
9.11 ft 3030 mm
Shipping Length
34.3 ft 10450 mm
31.5 ft 9570 mm
31.3 ft 9520 mm
Tail Swing Radius
10.3 ft 3130 mm
9.3 ft 2830 mm
9.3 ft 2830 mm
Counterweight Clearance
3.7 ft 1120 mm
3.5 ft 1040 mm
3.5 ft 1050 mm
Ground Clearance
1.6 ft 480 mm
1.6 ft 460 mm
1.6 ft 470 mm
Track Length
15.9 ft 4860 mm
13.5 ft 4080 mm
13.11 ft 4250 mm
Length to Center of Rollers
13.1 ft 3990 mm
-
-
Track Gauge
9 ft 2740 mm
7.3 ft 2200 mm
7.1 ft 2380 mm
Transport Width
11 ft 3340 mm
9.9 ft 2990 mm
10.4 ft 3170 mm
Working Ranges & Forces
Maximum Digging Depth
24.2 ft 7370 mm
21.1 ft 6430 mm
22 ft 6710 mm
Boom
HD Reach 6.15 m (20'2") HD Reach 6.15 m (20'2")
Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick
HD Reach 3.2 m (10'6") HD Reach 3.2 m (10'6")
Reach 2.7 m (8'10") Reach 2.7 m (8'10")
Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket
HD 2 m³ (2.62 yd³) HD 2 m³ (2.62 yd³)
GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³)
GD 1.20 m³ (1.57 yd³) GD 1.20 m³ (1.57 yd³)
Maximum Reach at Ground Level
35 ft 10680 mm
31.5 ft 9580 mm
32.4 ft 9860 mm
Maximum Cutting Height
31.7 ft 9660 mm
30.6 ft 9290 mm
31.1 ft 9470 mm
Maximum Loading Height
21.4 ft 6510 mm
21.1 ft 6450 mm
21.4 ft 6500 mm
Minimum Loading Height
7.1 ft 2170 mm
8.1 ft 2460 mm
7.2 ft 2180 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
23.6 ft 7200 mm
20.6 ft 6250 mm
19.9 ft 6020 mm
Maximum Vertical Wall Digging Depth
20.5 ft 6420 mm
18.1 ft 5510 mm
18.1 ft 5740 mm
Bucket Digging Force - ISO
44290 lbf 197 kN
30597 ft·lbf 136 kN
31428 ft·lbf 140 kN
Stick Digging Force - ISO
33050 lbf 147 kN
23897 ft·lbf 106 kN
23942 ft·lbf 107 kN

Price listed is Manufacturer's Suggested Retail Price, this price does not include shipping and handling, expedite charges, taxes, dealer installation costs or other dealer charges. Dealers set actual prices, including invoicing currency. The MSRP displayed is for the region selected.