Medium Excavators 323 - Tier 3

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Key Specs

Net Power - ISO 9249
157 HP
117 kW
Operating Weight
54200 lb
24600 kg
Maximum Digging Depth
22.1 ft
6730 mm

Overview

High Performance with Speed and Efficiency

The Cat® 323 combines speed, efficiency, and power. Standard technology right from the factory help boost operator efficiency by up to 45%. Combine these features with a new cab, longer maintenance intervals and reduced fuel consumption to lower maintenance costs by up to 20% and fuel consumption by up to 15 percent.

Benefits

Up To 15% Less Fuel Consumption

A precise combination of lower engine speed and a large hydraulic pump delivers top performance while burning less fuel.

Up To 20% Lower Maintenance Costs

Extended and more synchronized maintenance intervals increase uptime and reduce costs compared to the previous model.

Up To 45% More operating efficiency

Offering the industry’s highest level of standard factory-equipped technology, including Cat Grade with 2D, Grade with Assist and Payload.

Product Specifications for 323 - Tier 3

Net Power - ISO 9249 157 HP 117 kW
Engine Model Cat C7.1 Cat C7.1
Engine Power - ISO 14396 158 HP 118 kW
Bore 4 in 105 mm
Stroke 5 in 135 mm
Displacement 428 in³ 7.01 l
Main System - Maximum Flow 429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 4974 psi 34300 kPa
Maximum Pressure - Swing 3998 psi 27500 kPa
Swing Speed 11.25 r/min 11.25 r/min
Maximum Swing Torque 60300 lb/ft 82 kN·m
Operating Weight 54200 lb 24600 kg
Fuel Tank Capacity 86.6 gal (US) 345 l
Cooling System 6.6 gal (US) 25 l
Engine Oil 6.6 gal (US) 25 l
Swing Drive - Each 3.2 gal (US) 12 l
Final Drive - Each 1.3 gal (US) 5 l
Hydraulic System - Including Tank 61.8 gal (US) 234 l
Hydraulic Tank 30.4 gal (US) 115 l
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach R2.9B1 (9'6") Reach R2.9B1 (9'6")
Bucket HD 1.30 m³ (1.70 yd³) HD 1.30 m³ (1.70 yd³)
Shipping Height - Top of Cab 9.9 ft 2960 mm
Handrail Height 9.8 ft 2950 mm
Shipping Length 31.3 ft 9530 mm
Tail Swing Radius 9.3 ft 2830 mm
Counterweight Clearance 3.4 ft 1050 mm
Ground Clearance 1.7 ft 470 mm
Track Length 14.7 ft 4450 mm
Length to Center of Rollers 12 ft 3650 mm
Track Gauge 7.8 ft 2380 mm
Transport Width 9.9 ft 2980 mm
Maximum Digging Depth 22.1 ft 6730 mm
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach R2.9B1 (9'6") Reach R2.9B1 (9'6")
Bucket HD 1.30 m³ (1.70 yd³) HD 1.30 m³ (1.70 yd³)
Maximum Reach at Ground Level 32.4 ft 9870 mm
Maximum Cutting Height 31 ft 9450 mm
Maximum Loading Height 21.3 ft 6480 mm
Minimum Loading Height 7.1 ft 2160 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6 ft 6560 mm
Maximum Vertical Wall Digging Depth 18.5 ft 5620 mm
Bucket Digging Force - ISO 31505 lbf 140 kN
Stick Digging Force - ISO 23962 lbf 107 kN

323 - Tier 3 Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

CAT CONNECT TECHNOLOGY

  • Cat GRADE with 2D (Not available on SLR)
  • Cat Assist (Boom Assist, Bucket Assist, Swing Assist, Grade Assist)
  • Auto Dig Boost
  • Cat Payload (Payload Information, Static Weigh, Auto-Calibration)
  • 2D E-fence
  • Cat Product Link™

ENGINE

  • Cat C7.1 electronically controlled turbo-charged diesel engine
  • Meets worldwide Tier 3/stage IIIA equivalent emission standards
  • Three selectable power modes
  • One-touch low idle with auto engine speed control
  • Auto engine idle shutdown
  • Recommended for use up to 4500 m (14,764 ft) altitude with engine power de-rate above 3000 m (9,842.5 ft).
  • 52º C (125º F) high-ambient cooling capacity
  • Cold starting capability for -18° C (- 0° F)
  • Double element air filter with integrated pre-cleaner
  • Electric fuel priming pump
  • Reversible electric cooling fans
  • Biodiesel capability up to B20

HYDRAULIC SYSTEM

  • Boom and stick regeneration circuits
  • Electronic main control valve
  • Auto hydraulic warm up
  • Auto two-speed travel
  • Boom and stick drift reduction valve
  • Element type main hydraulic filter
  • Slider joysticks
  • Electronic main pump

STANDARD COMFORT CAB

  • ROPS, standard sound suppression
  • High-resolution 8" (203 mm) LCD touchscreen monitor
  • Auto bi-level air conditioner
  • Jog dial and shortcut keys for monitor control
  • Keyless push-to-start engine control
  • Height-adjustable console, inifinite with no tool
  • Mechanically adjustable seat suspension
  • Seat belt, retractable (51 mm [2"] width)
  • Fixed up left side console
  • Bluetooth® integrated radio with USB ports
  • 12V DC outlets (x2)
  • Document storage
  • Cup and bottle holders
  • Two-piece front window, openable
  • Upper radial wiper w/washer
  • LED dome and lower interior lights
  • Roller front sunscreen
  • Beacon ready
  • Washable floor mat
  • Polycarbonate skylight hatch, openable

UNDERCARRIAGE AND STRUCTURES

  • Tie-down points on base frame (ISO 15818 compliant)
  • Segmented track guiding guards
  • Bottom guards
  • Travel motor guards
  • Grease lubricated track links
  • 5400 kg (11,900 lb) counterweight
  • HD swing frame
  • HD swing bearing
  • HD base frame with SD track rollers and standard carrier rollers
  • Final drive with standard travel motor
  • 600 mm (24") triple grouser track shoes

BOOM, STICKS AND LINKAGES

  • 5.7 m (18'8") HD reach boom
  • 2.9 m (9'6") HD stick
  • Bucket linkage, B1 family with lifting eye

ELECTRICAL

  • 1000 CCA maintenance-free batteries (x2)
  • Centralized electrical disconnect switch
  • Programmable time-delay LED working lights
  • LED chassis light, left and right hand boom lights for reach , cab lights-850 lumens

SAFETY & SECURITY

  • Rearview camera and side right hand mirror
  • Neutral lever (lock out) for all controls
  • Anti-skid plate and countersunk bolts on service platform
  • Ground-level accessible secondary engine shutoff switch in cab
  • Bluetooth® Receiver
  • Right-hand handrail and hand hold (ISO 2867 compliant)

SERVICE & MAINTENANCE

  • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
  • Grouped location for engine oil and fuel filters
  • Ground-level 2nd dipstick for engine oil

323 - Tier 3 Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

CAT CONNECT TECHNOLOGY

  • Cat GRADE with Advanced 2D
  • Cat GRADE with 3D

ENGINE

  • Cold starting capability for - 32° C (- 25° F)

HYDRAULIC SYSTEM

  • Hammer return filter circuit
  • Combined flow/high pressure aux circuit
  • Medium pressure aux circuit
  • Quick coupler circuit for Cat Pin Grabber
  • Auto Heavy Lift

UNDERCARRIAGE AND GUARDS

  • HD bottom guard
  • Swivel guard
  • HD travel motor guards
  • 4200 kg (9,260 lb) counterweight
  • Semi-HD swing frame
  • Semi-HD swing bearing
  • SD base frame with SD track rollers and SD carrier rollers
  • SD base frame w/ SD track rollers & SD carrier rollers

UNDERCARRIAGE AND STRUCTURES

  • 600mm (24") double grouser track shoes
  • 700 mm (28") triple grouser track shoes
  • 790 mm (31") triple grouser track shoes

BOOM,STICKS & LINKAGES

  • 5.7 m (18'8") HD reach boom
  • 2.5 m (8'2") HD stick
  • Bucket linkage, B1 family without lifting eye

ELECTRICAL SYSTEM

  • 1000 CCA Maintenance-free batteries (x4) for cold starting capability -32° C
  • Premium surround lighting package

SERVICE & MAINTENANCE

  • Preventative maintenance ready (Quick Evac)
  • Radiator screen

SAFETY & SECURITY

  • 360° visibility
  • Rearview and right-hand-sideview camera
  • Travel alarm
  • Cat Detect People Detection
  • Inspection Lighting

COMFORT CAB UPGRADES, STANDARD PLUS

  • High-resolution 8" (203 mm) LCD touchscreen monitor + additional monitor (Only for use with Cat GRADE with Advanced 2D or Cat GRADE with 3D).
  • High resolution 10" (254 mm) LCD touch screen monitor (Only for use with 360° Visibility).
  • High resolution 10" (254 mm) LCD touch screen monitor + additional monitor (Only for use with 360° Visibility and Cat GRADE with Advanced 2D or Cat GRADE with 3D).
  • Roller rear sunscreen
  • Rain protector and cab light covers (Only for use with 360° Visibility.).
  • Air-adjustable seat suspension
  • Tilt-up left side console
  • Cat Stick Steer

BUCKET

  • General duty buckets 1.14 m³ (1.49 yd³)
  • HD buckets from 1.3 m³ (1.71 yd³) to1.38 m³ (1.81 yd³)
  • Severe duty buckets 1.19 m³ (1.56 yd³)

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