323 Hydraulic Excavator

360° View

Video

Product description

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.

Engine

Net Power - ISO 9249 - 172HP
Engine Model - Cat C7.1e TA
Engine Power - ISO 14396 - 174HP
Bore - 4in
Stroke - 5in
Displacement - 428in³

Weights

Operating Weight - 54900lb

Working Ranges & Forces

Maximum Digging Depth - 22.1ft
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 - 32.4ft
Maximum Cutting Height - 31ft
Maximum Loading Height - 21.3ft
Minimum Loading Height - 7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - 21.6ft
Maximum Vertical Wall Digging Depth - 18.8ft
Bucket Digging Force - ISO - 34308lbf
Stick Digging Force - ISO - 26094lbf

Hydraulic System

Main System - Maximum Flow - 429 l/min (113 gal/min)
Maximum Pressure - Equipment - 5075psi
Maximum Pressure - Travel - 4974psi
Maximum Pressure - Swing - 3988psi

Swing Mechanism

Swing Speed - 11.25r/min
Maximum Swing Torque - 60300ft·lbf

Service Refill Capacities

Fuel Tank Capacity - 86.6gal (US)
Cooling System - 6.6gal (US)
Engine Oil - 6.6gal (US)
Swing Drive - Each - 3.2gal (US)
Final Drive - Each - 1.3gal (US)
Hydraulic System - Including Tank - 61.8gal (US)
Hydraulic Tank - 30.4gal (US)
DEF Tank - 10.8gal (US)

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 - 9.9ft
Handrail Height - 9.9ft
Shipping Length - 31.3ft
Tail Swing Radius - 9.3ft
Counterweight Clearance - 3.5ft
Ground Clearance - 1.7ft
Track Length - 14.7ft
Length to Center of Rollers - 12ft
Track Gauge - 7.9ft
Transport Width - 9.9ft

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