At a glance data:
Net Power - ISO 9249:
172hp
Engine Model:
Cat C7.1
Overview
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
Net Power - ISO 9249 (DIN):
175hp (metric)
Engine Model:
Cat C7.1
Engine Power - ISO 14396:2002:
174hp
Engine Power - ISO 14396 (DIN):
176hp (metric)
Bore:
4in
Stroke:
5in
Displacement:
428in³
Biodiesel Capability:
Up to B20¹
Emissions:
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
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 engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2):
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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.
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
Weights
Operating Weight:
55,100lb
Note:
Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight.
Service Refill Capacities
Fuel Tank Capacity:
86.6gal (US)
Cooling System:
6.6gal (US)
Engine Oil:
6.6gal (US)
Swing Drive - Each:
1.6gal (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:
9.7ft
Handrail Height:
9.7ft
Shipping Length:
31.3ft
Tail Swing Radius:
9.3ft
Counterweight Clearance:
3.4ft
Ground Clearance:
1.5ft
Track Length:
14.6ft
Length to Center of Rollers:
12ft
Track Gauge:
7.8ft
Transport Width:
10.4ft
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:
21.5ft
Maximum Vertical Wall Digging Depth:
18.8ft
Bucket Digging Force - ISO:
34308lbf
Stick Digging Force - ISO:
26094lbf
Air Conditioning System
Air Conditioning:
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).
Sustainability
Recyclability:
98%
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
- VisionLink®
- Remote Flash
- Remote Troubleshoot
- Cat Grade 2D
- Cat Assist
- Cat Payload
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
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
- 2D E-Fence
- Auto hammer stop
- Rearview camera
- Right-side-view camera
- Lockable disconnect switch
- 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
- Integrated vehicle health management system
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 (Chile, Turkey only)
- 2.9 m (9'6") HD Reach stick (Chile, 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
cat technology
- VisionLink Productivity
- Cat Grade Connectivity
- Cat Grade 2D with Attachment Ready Option (ARO)
- Cat Grade 3D single GNSS
- Cat Grade 3D dual GNSS
- Cat Tilt Rotator (TRS) Integration
- Operator Coaching
engine
- -32°C (-25°F) cold start capability
hydraulic system
- Boom and stick lowering check valves
- SmartBoom™ (Europe only)
- Hammer return filter circuit
- Advanced tool control (two pump, one/two way high-pressure flow)
- Hydraulic efficiency monitoring
- Medium-pressure circuit
- Quick coupler circuit for Cat Pin Grabber
safety and security
- Cat Command (remote control)
- 360° visibility
- Inspection lighting
undercarriage and structures
- 600 mm (24") single grouser shoes
- 600 mm (24") HD double grouser shoes
- 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
- 4200 kg (9,300 lb) counterweight
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