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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Specifications

Overview

Engine

Net Power - ISO 9249

96 kW

Net Power - ISO 9249 (DIN)

131 hp (metric)

Engine Model

Cat® C3.6

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.

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 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

Hydraulic System

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

Swing

Swing Speed

11.5 r/min

Swing Mechanism

Maximum Swing Torque

69 kN·m

Weights

Operating Weight

20700 kg

Turning Circle

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.