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Selected Excavators 320 GC - Tier 4 / Stage V	Remove Excavators 320 - Tier 4 / Stage V	Remove Excavators 323 - Tier 4 / Stage V

Excavators Selected 320 GC - Tier 4 / Stage V MSRP Availability Contact Dealer Model Details Compare with Competitors Selected 320 GC - Tier 4 / Stage V Model Details Compare with Competitors	Excavators Remove 320 - Tier 4 / Stage V MSRP Availability Contact Dealer Model Details Compare with Competitors Remove 320 - Tier 4 / Stage V Model Details Compare with Competitors	Excavators Remove 323 - Tier 4 / Stage V MSRP Availability Contact Dealer Model Details Compare with Competitors Remove 323 - Tier 4 / Stage V Model Details Compare with Competitors
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Engine
Net Power - ISO 9249
146 HP 109 kW	172 HP 128.5 kW	172 HP 128.5 kW
Net Power - ISO 9249 (DIN)
148 hp (metric) 148 hp (metric)	175 hp (metric) 175 hp (metric)	175 hp (metric) 175 hp (metric)
Engine Model
Cat C4.4 Cat C4.4	Cat C4.4 Cat C4.4	Cat C7.1 Cat C7.1
Engine Power - ISO 14396
148 HP 110 kW	174 HP 129.4 kW	174 HP 129.4 kW
Engine Power - ISO 14396 (DIN)
150 hp (metric) 150 hp (metric)	176 hp (metric) 176 hp (metric)	176 hp (metric) 176 hp (metric)
Bore
4 in 105 mm	4 in 105 mm	4 in 105 mm
Stroke
5 in 127 mm	5 in 127 mm	5 in 135 mm
Displacement
269 in³ 4.4 l	269 in³ 4.4 l	428 in³ 7.01 l
Biodiesel Capability
Up to B20¹ Up to B20¹	Up to B20¹ Up to B20¹	Up to B20¹ Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
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 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 2,200 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 2,200 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 2,200 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 2,200 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels* up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels* up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels* up to: 20% 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. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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
442 l/min (117 gal/min) 442 l/min (117 gal/min)	429 l/min (113 gal/min) 429 l/min (113 gal/min)	429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment
5075 psi 35000 kPa	5075 psi 35000 kPa	5075 psi 35000 kPa
Maximum Pressure - Travel
4974 psi 34300 kPa	4974 psi 34300 kPa	4974 psi 34300 kPa
Maximum Pressure - Swing
3625 psi 25000 kPa	3988 psi 27500 kPa	3988 psi 27500 kPa
Swing Mechanism
Swing Speed
11.6 r/min 11.6 r/min	-	11.25 r/min 11.25 r/min
Maximum Swing Torque
54900 ft·lbf 74.4 kN·m	60300 ft·lbf 82 kN·m	60300 ft·lbf 82 kN·m
Weights
Operating Weight
48500 lb 22000 kg	49800 lb 22600 kg	55100 lb 25000 kg
Note
Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4200 kg (9,300 lb) counterweight. Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4200 kg (9,300 lb) counterweight.	Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4200 kg (10,400 lb) counterweight. Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4200 kg (10,400 lb) counterweight.	Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight. Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight.
Service Refill Capacities
Fuel Tank Capacity
86.6 gal (US) 345 l	86.6 gal (US) 345 l	86.6 gal (US) 345 l
Cooling System
6.6 gal (US) 25 l	6.6 gal (US) 25 l	6.6 gal (US) 25 l
Engine Oil
4 gal (US) 15 l	4 gal (US) 15 l	6.6 gal (US) 25 l
Swing Drive - Each
3.2 gal (US) 12 l	1.6 gal (US) 6 l	1.6 gal (US) 6 l
Final Drive - Each
1.1 gal (US) 4 l	1.1 gal (US) 4 l	1.3 gal (US) 5 l
Hydraulic System - Including Tank
61.8 gal (US) 234 l	61.8 gal (US) 234 l	61.8 gal (US) 234 l
Hydraulic Tank
30.4 gal (US) 115 l	30.4 gal (US) 115 l	30.4 gal (US) 115 l
DEF Tank
10.3 gal (US) 39 l	10.3 gal (US) 39 l	10.8 gal (US) 41 l
Dimensions
Boom
Reach 5.7 m (18'8") Reach 5.7 m (18'8")	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
Reach 2.9 m (9'6") Reach 2.9 m (9'6")	Reach 2.9 m (9'6") Reach 2.9 m (9'6")	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket
GD 1 m³ (1.31 yd³) GD 1 m³ (1.31 yd³)	1.19 m ³ (1.56 yd³) 1.19 m ³ (1.56 yd³)	HD 1.30 m³ (1.71 yd³) HD 1.30 m³ (1.71 yd³)
Shipping Height - Top of Cab
9.7 ft 2960 mm	9.7 ft 2960 mm	9.7 ft 2960 mm
Handrail Height
9.8 ft 2950 mm	9.7 ft 2950 mm	9.7 ft 2950 mm
Shipping Length
31.3 ft 9530 mm	31.3 ft 9530 mm	31.3 ft 9530 mm
Tail Swing Radius
9.3 ft 2830 mm	9.3 ft 2830 mm	9.3 ft 2830 mm
Counterweight Clearance
3.4 ft 1050 mm	3.4 ft 1050 mm	3.4 ft 1050 mm
Ground Clearance
1.5 ft 470 mm	1.5 ft 470 mm	1.5 ft 470 mm
Track Length
14.7 ft 4450 mm	14.6 ft 4450 mm	14.6 ft 4450 mm
Length to Center of Rollers
11.11 ft 3650 mm	11.7 ft 3650 mm	12 ft 3650 mm
Track Gauge
7.9 ft 2380 mm	7.8 ft 2380 mm	7.8 ft 2380 mm
Transport Width
10.4 ft 3170 mm	9.8 ft 2980 mm	10.4 ft 3170 mm
Working Ranges & Forces
Maximum Digging Depth
22 ft 6720 mm	22 ft 6720 mm	22.1 ft 6730 mm
Boom
Reach 5.7 m (18.8) Reach 5.7 m (18.8)	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
Reach 2.9 m (9'6") Reach 2.9 m (9'6")	Reach 2.9 m (9'6") Reach 2.9 m (9'6")	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket
GD 1 m³ (1.31 yd³) GD 1 m³ (1.31 yd³)	1.19 m ³ (1.56 yd³) 1.19 m ³ (1.56 yd³)	HD 1.30 m³ (1.71 yd³) HD 1.30 m³ (1.71 yd³)
Maximum Reach at Ground Level
32.3 ft 9860 mm	32.3 ft 9860 mm	32.4 ft 9870 mm
Maximum Cutting Height
31 ft 9450 mm	30.7 ft 9370 mm	31 ft 9450 mm
Maximum Loading Height
21.3 ft 6490 mm	21.3 ft 6490 mm	21.3 ft 6480 mm
Minimum Loading Height
7.1 ft 2170 mm	7.1 ft 2170 mm	7.1 ft 2160 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6 ft 6550 mm	21.5 ft 6550 mm	21.5 ft 6560 mm
Maximum Vertical Wall Digging Depth
18.7 ft 5690 mm	17 ft 5190 mm	18.8 ft 5740 mm
Bucket Digging Force - ISO
28935 lbf 129 kN	38811 lbf 150 kN	34308 lbf 140 kN
Stick Digging Force - ISO
22281 lbf 99 kN	23911 lbf 106 kN	26094 lbf 107 kN
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).
Sustainability
Recyclability
97% 97%	97% 97%	98% 98%

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