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323 Hydraulic Excavator

Net Power - ISO 9249

172 HP

Operating Weight

54,900 lb

Maximum Digging Depth

22.1 ft

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SPECIFICATIONS

The Cat® 323 delivers power, speed, and high production performance. With more standard technology than previous models, plus reduced fuel and maintenance costs, the Cat 323 has all you need to take your business to the next level.

FULL SPECIFICATIONS

Dimensions

Boom

Reach 5.7 m (18'8")

Stick

Reach 2.9 m (9'6")

Bucket

HD 1.30 m³ (1.71 yd³)

Shipping Height - Top of Cab

9.9 ft

Handrail Height

9.9 ft

Shipping Length

31.3 ft

Tail Swing Radius

9.3 ft

Counterweight Clearance

3.5 ft

Ground Clearance

1.7 ft

Track Length

14.7 ft

Length to Center of Rollers

12 ft

Track Gauge

7.9 ft

Transport Width

9.9 ft

Engine

Net Power - ISO 9249

172 HP

Engine Model

Cat C7.1e TA

Engine Power - ISO 14396

174 HP

Bore

4 in

Stroke

5 in

Displacement

428 in³

Hydraulic System

Main System - Maximum Flow

429 l/min (113 gal/min)

Maximum Pressure - Equipment

5,075 psi

Maximum Pressure - Travel

4,974 psi

Maximum Pressure - Swing

3,988 psi

Service Refill Capacities

Fuel Tank Capacity

86.6 gal (US)

Cooling System

6.6 gal (US)

Engine Oil

6.6 gal (US)

Swing Drive - Each

3.2 gal (US)

Final Drive - Each

1.3 gal (US)

Hydraulic System - Including Tank

61.8 gal (US)

Hydraulic Tank

30.4 gal (US)

DEF Tank

10.8 gal (US)

Swing Mechanism

Swing Speed

11.25 r/min

Maximum Swing Torque

60,300 ft·lbf

Weights

Operating Weight

54,900 lb

Working Ranges & Forces

Maximum Digging Depth

22.1 ft

Boom

Reach 5.7 m (18'8")

Stick

Reach 2.9 m (9'6")

Bucket

HD 1.30 m³ (1.71 yd³)

Maximum Reach at Ground Level

32.4 ft

Maximum Cutting Height

31 ft

Maximum Loading Height

21.3 ft

Minimum Loading Height

7.1 ft

Maximum Depth Cut for 2440 mm (8 ft) Level Bottom

21.6 ft

Maximum Vertical Wall Digging Depth

18.8 ft

Bucket Digging Force - ISO

34,308 lbf

Stick Digging Force - ISO

26,094 lbf

STANDARD EQUIPMENT

NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
CAB
- Rollover protective structure (ROPS)
- Air-adjustable seat with heat (Deluxe only)
- Auto-adjustable seat with heat and air ventilation (Premium only)
- High-resolution 254 mm (10 in) LCD touchscreen monitor
CAT TECHNOLOGY
- Cat Product Link™
- Remote Flash
- Remote Troubleshoot
- Cat Grade with 2D
- Cat Grade with Assist
- Cat Payload
- E-Fence
- Lift assist
ELECTRICAL SYSTEM
- Two 1,000 CCA maintenance-free batteries
- Programmable time-delay LED working lights
- LED chassis light, left-hand/right-hand boom lights, cab lights
ENGINE
- Cat 7.1 single turbo diesel engine
- Three selectable power modes
- Automatic engine speed control
- 46°C (115°F) high-ambient cooling capacity (Europe only)
- 52°C (125°F) high-ambient cooling capacity
- -18°C (0°F) cold start capability
- Double element air filter with integrated precleaner
- Reversing electric cooling fans
- Biodiesel capability up to B20
HYDRAULIC SYSTEM
- Boom and stick regeneration circuits
- Auto hydraulic warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
- Auto dig boost
- Auto heavy lift
SAFETY AND SECURITY
- Rear and right-hand-sideview cameras
- Ground-level engine shutoff switch
- Right-hand handrail and handhold
- Signaling/warning horn
SERVICE AND MAINTENANCE
- Sampling ports for Scheduled Oil Sampling (S·O·S℠)
- Ground-level and platform-level engine oil dipsticks
UNDERCARRIAGE AND STRUCTURES
- Tie-down points on base frame

OPTIONAL EQUIPMENT

NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
BOOMS AND STICKS
- 5.7 m (18'8") Reach boom
- 5.7 m (18'8") HD Reach boom
- 2.7 m (8'10") stub + 3.3 m (10'10") fore, Variable Angle boom
- 8.85 m (29'0") Super Long Reach boom
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") HD Reach stick (Turkey only)
- 2.9 m (9'6") HD Reach stick (Turkey only)
- 3.9 m (12'10") Reach stick
- 2.9 m (9'6") HD Thumb Ready Reach stick
- 6.28 m (20'7") Super Long Reach stick
CAB
- Cat Stick Steer
- Auxiliary relay
CAT TECHNOLOGY
- Cat Grade with Advanced 2D
- Cat Grade with single GNSS
- Cat Grade with 3D dual GNSS
ENGINE
- -32°C (-25°F) cold start capability
HYDRAULIC SYSTEM
- Boom and stick lowering check valves
- Hammer return filter circuit
- Advanced tool control (two pump, one/two way high-pressure flow)
- Medium-pressure circuit
- Quick coupler circuit for Cat Pin Grabber
SAFETY AND SECURITY
- Cat Detect People Detection
- 360° visibility
- Swing alarm
- Cat Command remote control
- Inspection lighting
SERVICE AND MAINTENANCE
- Integrated vehicle health management system
UNDERCARRIAGE AND STRUCTURES
- 600 mm (24") HD triple grouser shoes
- 700 mm (28") HD triple grouser shoes
- 790 mm (31") HD triple grouser shoes
- 900 mm (35") HD triple grouser shoes
- 4.2 mt (9,300 lb) counterweight
- 5.4 mt (11,900 lb) counterweight