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Side-by-side comparison · medium crawler

CAT 321 vs CAT 323

22.4t CAT vs 24t CAT — full spec showdown, application fit, and our recommendation by project type.

22.4t / 24t
Operating weight
162 / 174 hp
Engine power
3 / 1
Configurations
4 / 3
Applications
Visual comparison

Side-by-side spec bars

Operating weight
32122.4t
32324t
Engine power
321162 hp
323174 hp
Max dig depth
3216.72 m
3236.93 m
Max reach
3219.96 m
32310.27 m
Bucket capacity
3210.95 m³
3231.19 m³

Overview

The CAT 321 and CAT 323 sit in the same medium crawler class, separated by 1.6 tonnes of operating weight. Both are positioned in the premium segment, which means the choice between them turns less on brand reputation and more on configuration fit, parts logistics, and operator preference.

Caterpillar 321 buyers across our Caribbean and African service area typically choose it for 22-tonne next-gen cat with smart/power/eco selectable modes. Caterpillar 323 buyers, by contrast, tend to prioritise 24-tonne heavy construction and quarry loading. The two machines have meaningful overlap on general construction-sector work, so a buyer with that application profile genuinely has a choice to make — and it's worth understanding the trade-offs in depth before committing.

Brand positioning

Caterpillar positioning

Caterpillar is the global benchmark — strongest parts logistics across our Caribbean and African service area, highest resale value retention, and the safest single-machine purchase decision for buyers prioritising uptime over upfront price.

Caterpillar positioning

Caterpillar is the global benchmark — strongest parts logistics across our Caribbean and African service area, highest resale value retention, and the safest single-machine purchase decision for buyers prioritising uptime over upfront price.

5-year total cost of ownership

Across a 5-year ownership cycle at typical African construction-sector use (2,000 operating hours/year, $1.20/L diesel, financed 50%), the CAT 321 typically delivers a total 5-year operating cost of $580-650k including acquisition, fuel, parts, service, financing interest, and resale recovery. The CAT 323 comes in at $580-650k.

Acquisition (financed): Caterpillar 321 ~$160-220k, Caterpillar 323 ~$160-220k. Comparable upfront.

Fuel over 5 years: Both machines burn 20-30 L/h on standard duty. Across 10,000 lifetime operating hours that's $240-360k of diesel. Real-world consumption is close — within 5% variance.

Parts + service: Premium-tier parts run ~$14-18k/year for the CAT 321. Premium-tier parts run ~$14-18k/year for the CAT 323.

Resale at year 5: Caterpillar typically holds 45-55% of acquisition price after 5 years. Caterpillar holds 45-55%. The resale gap is often the largest single TCO swing factor — premium-tier machines effectively rebate 15-25% more capital at year five.

Parts logistics & service support

Caterpillar parts logistics for CAT 321

Tractafric (Ghana, Cameroon), Mantrac (Tanzania, Kenya, Egypt, Nigeria), Bia (West Africa), Empresa Cubana de Maquinaria across the Caribbean — easily the strongest dealer network of any brand. Fast-moving wearing parts typically available within 24-72 hours; major components 1-3 weeks.

Caterpillar parts logistics for CAT 323

Tractafric (Ghana, Cameroon), Mantrac (Tanzania, Kenya, Egypt, Nigeria), Bia (West Africa), Empresa Cubana de Maquinaria across the Caribbean — easily the strongest dealer network of any brand. Fast-moving wearing parts typically available within 24-72 hours; major components 1-3 weeks.

What this means in practice

Mining and infrastructure operations across Caribbean and African markets typically lose $2-5k per hour of unscheduled downtime — meaning a single 24-hour parts delay can cost more than the parts themselves. Choose the brand with the strongest parts logistics in your destination country and operating sector.

Configurations available

CAT 321 configurations available

  • 321 (standard) — Standard 2.25m stick — max lifting and breakout force
  • 321 R2.9 — 9'6" reach stick — extended reach for sand excavation and loading
  • 321 2.5m stick — Extended reach standard configuration

CAT 323 configurations available

  • 323 (standard) — Standard production configuration

Configuration choice (undercarriage track pattern, bucket capacity, hydraulic-circuit options, cab certification) drives 30%+ of total cost of ownership over a 5-year cycle. Whichever model you choose, specify configuration to the buyer's actual operating profile before order — retrofitting later costs 30-50% more.

Specs

Side-by-side spec table

FeatureCAT 321CAT 323
Operating weight22.4 tonnes24 tonnes
Engine powerCat C4.4 — 162 hpCat C7.1 — 174 hp
Bucket capacity0.95 m³1.19 m³
Max dig depth6.72 m6.93 m
Max reach9.96 m10.27 m
Weight classmedium crawlermedium crawler
Configurations3 variants1 variant
Which to choose

Recommendation by project profile

Applications

Where each model excels

CAT 321 applications
  • General excavation
  • Foundation work
  • Trenching
  • Quarry preparation
CAT 323 applications
  • Heavy construction
  • Quarrying
  • Mining feeder
Availability

Both models available across our service area

Frequently asked

Buyer questions

Which is better — CAT 321 or CAT 323?

Neither is universally better — they target slightly different operating profiles. The CAT 321 is best for 22-tonne next-gen cat with smart/power/eco selectable modes. The CAT 323 is best for 24-tonne heavy construction and quarry loading. Choose the one that matches your operating priority — the wrong choice for your duty cycle will cost more over 5 years than the right choice would have saved on upfront price.

What's the price difference between the CAT 321 and CAT 323?

Pricing depends on destination country, configuration, and FX at order time. Contact our team with your country and required configuration for binding quotes on both models. Typically comparable.

How long does delivery of either to Caribbean and Africa take?

Both models ship from manufacturer facilities to our regional warehouse and on to the destination country. Caribbean lead times typically 2-5 weeks; African lead times 5-10 weeks depending on port and customs efficiency.

Do you offer financing for the CAT 321 and CAT 323?

Yes. Both Caterpillar and Caterpillar machines can be financed via manufacturer-backed credit programmes (where applicable), regional commercial bank facilities, or lease-to-own structures. Typical terms are 24-60 months. Indicative terms returned within 5 business days of receiving project documentation.

Which holds better resale value — CAT 321 or CAT 323?

Comparable resale value retention — both typically hold 45-55% of acquisition price after 5 years.

What configurations should I specify for CAT 321 or CAT 323 in mining operations?

For mining and quarry duty on either model, specify: reinforced undercarriage, rock-pattern track shoes (700mm+), oversized rock bucket, hydraulic breaker hydraulic circuit, premium air filtration. Order at point of sale — retrofitting these costs 30-50% more.

Are parts readily available for the CAT 321 and CAT 323 across Africa?

Yes — both brands have meaningful African dealer presence. CAT fast-moving parts typically 24-72 hours; CAT fast-moving parts 24-72 hours. We hold both brands' inventory in our regional warehouse for fast supply.

Can I get an operator trained on the CAT 321 or CAT 323?

Yes. Every major-class machine sale includes operator training as standard. Manufacturer-certified training is also available through Caterpillar and Caterpillar dealer networks in most major Caribbean and African markets.

Continue comparing

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Cite this page
APA
Suriname Excavators. (2026). CAT 321 vs CAT 323 — Comparison. Retrieved 10 June 2026, from https://surinameexcavators.com/compare/cat-321-vs-cat-323
MLA
"CAT 321 vs CAT 323 — Comparison." Suriname Excavators, 10 June 2026, https://surinameexcavators.com/compare/cat-321-vs-cat-323.
Chicago
Suriname Excavators. "CAT 321 vs CAT 323 — Comparison." Accessed 10 June 2026. https://surinameexcavators.com/compare/cat-321-vs-cat-323.
BibTeX
@misc{surinameexcavators__compare_cat_321_vs_cat_323,
  title = {CAT 321 vs CAT 323 — Comparison},
  author = {Suriname Excavators},
  year = {2026},
  url = {https://surinameexcavators.com/compare/cat-321-vs-cat-323},
  note = {Accessed: 10 June 2026}
}
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