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Caterpillar 323

Configuration: Build 07H, Long undercarriage, 5.7 m Reach boom, R2.9 (9'6") Reach stick, 790 mm HD triple-grouser shoes, 5400 kg counterweight. Weight quoted with 1.38 m³ HD bucket; dimensions/working ranges with HD 1.30 m³ bucket.

22 sourced values · Sources: Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25

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Dimension diagram

A B C D E F G Side viewFront view Schematic, not to scale
AOverall length9,530 mm
BOverall height2,960 mm
CTrack length on ground3,650 mm
DGround clearance470 mm
EOverall width3,170 mm
FTrack gauge / tread2,380 mm
GShoe / track width790 mm

Weights

SpecValueSource
Operating weight25,000 kg
Published: 25,000 kg
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Stated configuration with HD 1.38 m³ bucket (55,100 lb).

Dimensions

SpecValueSource
Overall length9,530 mm
Published: 9,530 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Shipping length, Reach boom, R2.9 stick, HD 1.30 m³ bucket.
Overall width3,170 mm
Published: 3,170 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Transport width.
Overall height2,960 mm
Published: 2,960 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Shipping height, top of cab. Handrail height 2950 mm.
Transport heightNot publishedCat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Height with boom/stick/bucket installed not published; shipping height to top of cab 2960 mm.
Track gauge / tread2,380 mm
Published: 2,380 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Track length on ground3,650 mm
Published: 3,650 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Length to center of rollers.
Track length (overall)4,450 mm
Published: 4,450 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Shoe / track width790 mm
Published: 790 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
HD triple grouser (weight configuration). 600-900 mm options listed.
Ground clearance470 mm
Published: 470 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Counterweight clearance 1050 mm.
Tail swing radius2,830 mm
Published: 2,830 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25

Undercarriage / tires

SpecValueSource
Undercarriage typeCrawler (steel tracks), Long
Published: Crawler (steel tracks), Long
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Track rollers / shoes per sideNot publishedCat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Not published in this document.

Ground pressure

SpecValueSource
Ground pressureNot publishedCat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Not published in this document.

Engine

SpecValueSource
Engine modelCat C7.1
Published: Cat C7.1
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
U.S. EPA Tier 4 Final, EU Stage V, Japan 2014.
Net power128.5 kW
Published: 128.5 kW
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
ISO 9249 at 2,200 rpm (172 hp).
Gross power129.4 kW
Published: 129.4 kW
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
ISO 14396 engine power (174 hp).
Displacement7.01 L
Published: 7.01 L
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
428 in³.
Rated speed2,200 rpm
Published: 2,200 rpm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow429 L/min
Published: 429 L/min
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Main system maximum flow (113 gal/min).
System / relief pressure≈ 35 MPa
Published: 35,000 kPa
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Maximum pressure, equipment (CE-marked machines may default lower).

Performance

SpecValueSource
Max digging depth6,730 mm
Published: 6,730 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
R2.9 stick, HD 1.30 m³ bucket.
Max reach (at ground)9,870 mm
Published: 9,870 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Maximum reach at ground level, R2.9 stick.
Dump height / clearance6,480 mm
Published: 6,480 mm
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Maximum loading height. Max cutting height 9450 mm.
Breakout / digging force140 kN
Published: 140 kN
Cat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Bucket digging force (ISO). Stick 107 kN. Auto dig boost: 152 kN bucket.
Max travel speedNot publishedCat 323 Hydraulic Excavator product brochure AEXQ4337-01 (10-2025), build 07H, Aus-NZ/Chile/Colombia/Europe/N Am/Türkiye; U.S. EPA Tier 4 Final/EU Stage V/Japan 2014. Retrieved 2026-10-25
Not published in this document.

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