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Medium Excavators
323 GX - Tier 3
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Net Power - ISO 9249
166 HP
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Net Power - ISO 9249 (DIN)
168 hp (metric)
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Engine Model
Cat C4.4
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Engine Power - ISO 14396
174 HP
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Engine Power - ISO 14396 (DIN)
176 hp (metric)
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Bore
4 in
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Stroke
5 in
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Displacement
269 in³
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Biodiesel Capability
Up to B20¹
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Emissions
Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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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.
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Note (2)
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.
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Main System - Maximum Flow - Implement
113 gal/min
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Maximum Pressure - Equipment
5075 psi
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Maximum Pressure - Travel
5075 psi
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Maximum Pressure - Swing
3988 psi
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Swing Speed
11.13 r/min
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Maximum Swing Torque
60333 ft·lbf
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Operating Weight
48700 lb
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Note
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.
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Fuel Tank Capacity
390 l
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Cooling System
6.5 gal (US)
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Engine Oil
4 gal (US)
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Swing Drive
1.5 gal (US)
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Final Drive - Each
1.2 gal (US)
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Hydraulic System - Including Tank
57.6 gal (US)
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Hydraulic Tank
30.4 gal (US)
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Boom
Reach 5.7 m (18'8")
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Stick
Reach 2.9 m (9'6")
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Bucket
GD 1.20 m³ (1.57 yd³)
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Shipping Height - Top of Cab
9.1 ft
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Handrail Height
9.11 ft
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Shipping Length
31.3 ft
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Tail Swing Radius
9.3 ft
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Counterweight Clearance
3.5 ft
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Ground Clearance
1.6 ft
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Track Length
13.11 ft
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Track Length to Center of Rollers
11.4 ft
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Track Gauge
7.1 ft
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Transport Width
10.4 ft
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Maximum Digging Depth
22 ft
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Maximum Reach at Ground Level
32.4 ft
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Maximum Cutting Height
31.1 ft
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Maximum Loading Height
21.4 ft
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Minimum Loading Height
7.2 ft
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Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
19.9 ft
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Maximum Vertical Wall Digging Depth
18.1 ft
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Bucket Digging Force - ISO
31428 ft·lbf
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Stick Digging Force - ISO
23942 ft·lbf
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