324

Medium Excavators 324

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Key Specs

Net Power - ISO 9249
145 hp
108 kW
Operating Weight
50100 lb
22700 kg
Maximum Digging Depth
20.7 ft
6310 mm

Overview

Heavy-Duty Muscle Built to Outperform

The Cat® 324 excavator is built to handle high-production workloads with the perfect balance of brute strength and refined control. Its powerful Cat® C7.1 engine, high-flow hydraulics, and advanced electrohydraulic system give you the muscle to move heavy material fast, without burning through your budget. With reinforced structures, field-proven durability, and easy-to-maintain components, the 324 is your go-to solution for tackling tough jobs with less downtime.

Benefits

Strong and Responsive

The proven Cat C7.1 engine delivers consistent power and fast load response, even under pressure or at high altitudes. Advanced electrohydraulics ensure precise control for grading, trenching, and lifting in demanding applications.

Built to Last

Heavy-duty structures and components are designed to withstand challenging terrain and extend machine longevity. With matched bucket options for quarry or earthwork and proven system reliability, the 324 is designed for long, productive shifts in rugged conditions.

Less Downtime. More Done.

Shared Cat components and extended service intervals make maintenance easier, reducing downtime and costs. Backed by unmatched parts availability and dealer support, the machine helps keep your fleet productive and ready to work.

Product Specifications for 324

Net Power - ISO 9249 145 hp 108 kW
Net Power - ISO 9249 (DIN) 147 hp (metric) 147 hp (metric)
Engine Model Cat® C7.1 Cat® C7.1
Engine Power - ISO 14396 150 hp 112 kW
Engine Power - ISO 14396 (DIN) 152 hp (metric) 152 hp (metric)
Bore 4 in 105 mm
Stroke 5 in 135 mm
Displacement 433 in³ 7.1 l
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Meets UN ECE R96 Stage II emission standards, equivalent to U.S. EPA Tier 2 and EU Stage II. Meets UN ECE R96 Stage II emission standards, equivalent to U.S. EPA Tier 2 and EU Stage II.
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 1,700 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. 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 1,700 rpm. Advertised power is tested per the specified standard in effect at 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. 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.
Operating Weight 50100 lb 22700 kg
Note 4.45 m (14'7") Long undercarriage, 5.7 m (18'8") Heavy Duty (HD) Reach boom, 2.5 m (8'2") HD Reach stick, 1.3 m³ (1.7 yd³) Severe Duty (SD) bucket, 600 mm (24") triple grouser track shoes and 4550 kg (10,030 lb) counterweight. 4.45 m (14'7") Long undercarriage, 5.7 m (18'8") Heavy Duty (HD) Reach boom, 2.5 m (8'2") HD Reach stick, 1.3 m³ (1.7 yd³) Severe Duty (SD) bucket, 600 mm (24") triple grouser track shoes and 4550 kg (10,030 lb) counterweight.
Maximum Digging Depth 20.7 ft 6310 mm
Boom HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick HD Reach 2.5 m (8'2") HD Reach 2.5 m (8'2")
Bucket SD 1.3 m³ (1.7 yd³) SD 1.3 m³ (1.7 yd³)
Maximum Reach at Ground Level 31.1 ft 9470 mm
Maximum Cutting Height 30.6 ft 9330 mm
Maximum Loading Height 20.6 ft 6280 mm
Minimum Loading Height 8.5 ft 2590 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 20.1 ft 6120 mm
Maximum Vertical Wall Digging Depth 18.4 ft 5620 mm
Bucket Digging Force - ISO 31250 lbf 139 kN
Stick Digging Force - ISO 24500 lbf 109 kN
Main System - Maximum Flow 416 l/min (106 gal/min) 416 l/min (106 gal/min)
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 5075 psi 35000 kPa
Maximum Pressure - Swing 3625 psi 25000 kPa
Swing Speed 11.5 r/min 11.5 r/min
Maximum Swing Torque 45260 ft·lbf 61 kN·m
Fuel Tank Capacity 97.7 gal (US) 370 l
Cooling System 7.4 gal (US) 28 l
Engine Oil 4.8 gal (US) 18 l
Swing Drive - Each 1.6 gal (US) 6 l
Final Drive - Each 1.3 gal (US) 5 l
Hydraulic System - Including Tank 57.6 gal (US) 218 l
Hydraulic Tank 30.4 gal (US) 115 l
Boom HD Reach 5.7 m (18'8") HD Reach 5.7 m (18'8")
Stick HD Reach 2.5 m (8'2") HD Reach 2.5 m (8'2")
Bucket SD 1.3 m³ (1.7 yd³) SD 1.3 m³ (1.7 yd³)
Shipping Height - Top of Cab 11 ft 3360 mm
Handrail Height 9.9 ft 3020 mm
Shipping Length 31.2 ft 9520 mm
Tail Swing Radius 9.3 ft 2830 mm
Counterweight Clearance 3.3 ft 1020 mm
Ground Clearance 1.4 ft 440 mm
Track Length 14.6 ft 4450 mm
Length to Center of Rollers 12 ft 3650 mm
Track Gauge 7.8 ft 2380 mm
Transport Width 9.8 ft 2980 mm

324 Standard Equipment

NOTE

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

BOOM, STICK AND LINKAGE

  • 5.7 m (18'8") HD Reach boom
  • 2.5 m (8'2") HD Reach stick
  • Bucket linkage, B1 family with lifting eye

CAB

  • Sound suppressed cab with viscous mounts
  • Mechanical-suspension seat with headrest and armrest angle adjustment
  • High-resolution 203 mm (8") LCD touchscreen monitor
  • Keyless push to start engine control
  • AM/FM Bluetooth® radio with USB/Auxiliary ports
  • Cup holder and storage compartments
  • Upper radial wiper with washer
  • Openable steel hatch
  • Washable floor mat
  • 51 mm (2") orange seat belt

CAT TECHNOLOGY

  • VisionLink™

ELECTRICAL SYSTEM

  • Two 750 CCA maintenance free batteries
  • Centralized electrical disconnect switch
  • LED chassis and cab lights
  • LED left-side boom light

ENGINE

  • Cat C7.1 single turbo diesel engine
  • Three selectable modes: Power, Smart, Eco
  • One touch low idle with auto engine speed control (AEC)
  • Two stage fuel filtration system with water separator and indicator
  • 4000 m (13,120 ft) altitude capability with derate from 3000 m (9,840 ft)
  • Up to 52° C (126° F) high-ambient cooling capacity with derate above 48° C (118° F)
  • Down to -10° C (14° F) cold start capability
  • 75 Amp alternator
  • Radial sealed double element air filter
  • Electric fuel priming pump

HYDRAULIC SYSTEM

  • Electronic main control valve, hammer ready
  • Boom and stick regeneration circuits
  • Automatic hydraulic warm-up
  • Automatic two speed travel
  • High performance hydraulic return filter

SAFETY AND SECURITY

  • Rearview mirrors; handrail mounted (one), cab handhold mounted (one)
  • Bolt free service platform with anti-skid plate
  • Neutral lever (lock out) for all controls
  • Ground level accessible secondary engine shutoff switch in cab
  • Handrail and handhold
  • Signaling/warning horn

SERVICE AND MAINTENANCE

  • Grouped engine oil, fuel, and hydraulic oil filters
  • Sampling ports for Scheduled Oil Sampling (S.O.S)
  • Radiator screen for radiator/oil cooler to prevent plugging by debris

UNDERCARRIAGE AND STRUCTURES

  • 4.45 m (14'7") Long undercarriage
  • Grease lubricated track links
  • Segmented track guiding guard
  • Full length track guiding guard
  • Bottom guard
  • 4550 kg (10,030 lb) counterweight

324 Optional Equipment

NOTE

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

CAB

  • Rollover Protective Structure (ROPS)
  • Operator Protective Guards (OPG) with matching lights
  • Front windshield guard (wire mesh)

ELECTRICAL SYSTEM

  • LED right-side boom light

HYDRAULIC SYSTEM

  • Hydraulic auxiliary lines (hammer)

SAFETY AND SECURITY

  • Rearview camera
  • Travel alarm

UNDERCARRIAGE AND STRUCTURES

  • 600 mm (24") triple grouser shoes (12 mm/0.5" thick)
  • 790 mm (31") triple grouser shoes (10 mm/0.4" thick)

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324 Hydraulic Excavator

324 Hydraulic Excavator

324 Hydraulic Excavator

324 Hydraulic Excavator

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324  Hydraulic Excavator

Introducing Next Generation Cat® Excavator 324

Introducing Next Generation Cat® Excavator 324

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