Cat® 322 Hydraulic Excavator
When you need muscle, precision, and cost control in one machine, the Cat® 322 excavator delivers. Purpose-built for high production, the 322 pairs fast cycle times with large bucket options to move more material in fewer passes. Its responsive electrohydraulic controls and rugged design keep you productive on the tough jobs, while smart fuel efficiency and streamlined maintenance help you stay profitable every step of the way. Whether you’re loading, trenching, or lifting, the 322 is a heavy-duty workhorse that pays you back.
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Overview
When you need muscle, precision, and cost control in one machine, the Cat® 322 excavator delivers. Purpose-built for high production, the 322 pairs fast cycle times with large bucket options to move more material in fewer passes. Its responsive electrohydraulic controls and rugged design keep you productive on the tough jobs, while smart fuel efficiency and streamlined maintenance help you stay profitable every step of the way. Whether you’re loading, trenching, or lifting, the 322 is a heavy-duty workhorse that pays you back.
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Net Power - ISO 9249
96 kW -
Net Power - ISO 9249 (DIN)
131 hp (metric) -
Engine Model
Net Power - ISO 9249 (DIN) -
Engine Power - ISO 14396
100 kW -
Engine Power - ISO 14396 (DIN)
136 hp (metric) -
Bore
98 mm -
Stroke
120 mm -
Displacement
3.6 l -
Biodiesel Capability
Up to B20¹ -
Emissions
Non-certified emission engine. -
Emissions
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 -
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. -
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. -
Ground Clearance
440 mm
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Main System - Maximum Flow
442 l/min (117 gal/min) -
Maximum Pressure - Equipment
35000 kPa -
Maximum Pressure - Travel
35000 kPa -
Maximum Pressure - Swing
25000 kPa
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Swing Speed
11.5 r/min
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Maximum Swing Torque
69 kN·m
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Operating Weight
20700 kg
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Note
4.25 m (13'11") Medium undercarriage, 5.7 m (18'8") Reach boom, Heavy Duty (HD) R2.5 (8'2") stick, 1.10 m3 (1.44 yd3) Severe Duty (SD) bucket, 600 mm (24") triple grouser track shoes and 4000 kg (8,820 lb) counterweight.
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Fuel Tank Capacity
370 l -
Cooling System
22 l -
Engine Oil
11 l -
Swing Drive - Each
6 l -
Final Drive - Each
5 l -
Hydraulic System - Including Tank
218 l -
Hydraulic Tank
115 l -
Shipping Length
9520 mm -
Tail Swing Radius
2830 mm -
Counterweight Clearance
1030 mm -
Track Length
4250 mm -
Length to Center of Rollers
3450 mm -
Maximum Reach at Ground Level
9470 mm -
Maximum Cutting Height
9330 mm -
Maximum Loading Height
6280 mm -
Minimum Loading Height
2580 mm -
Maximum Vertical Wall Digging Depth
5630 mm
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Boom
Reach 5.7 m (18'8") -
Stick
HD Reach 2.5 m (8'2") -
Bucket
SD 1.10 m³ (1.44 yd³) -
Shipping Height - Top of Cab
3360 mm -
Handrail Height
3030 mm -
Transport Width
2980 mm -
Boom
Reach 5.7 m (18'8") -
Stick
HD Reach 2.5 m (8'2") -
Bucket
SD 1.10 m³ (1.44 yd³)
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Track Gauge
2380 mm
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Maximum Digging Depthv
6310 mm
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Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
6120 mm -
Bucket Digging Force - ISO
128 kN -
Stick Digging Force - ISO
109 kN
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