Used Caterpillar Excavators Specs Hub
Welcome to the industry's definitive repository for certified used Caterpillar excavator technical data. Known for their legendary **ACERT™ engine technology** and unparalleled **resale value**, CAT machinery sets the global standard for infrastructure and mining. From the 2-ton compacts to the 50-ton heavy mining giants, explore verified dimensions and performance charts for our entire 2026 inventory.
CATERPILLAR TECHNICAL SPECIFICATION MATRIX
Click any model below to view high-res images and wholesale quotes
| MODEL | CLASS | OPERATING WEIGHT | ENGINE & HP | MAX DIG DEPTH | BUCKET CAPACITY | TRANSPORT DIMS |
|---|---|---|---|---|---|---|
| Caterpillar 349D Heavy Duty | Large / Mining | 48.5 T | CAT C13 ACERT (380 HP) | 7.6 m | 3.1 m³ | 11.9 x 3.5 x 3.6 m |
| Caterpillar 349GC | Large | 48.5 T | CAT C13 ACERT (417 HP) | 7.6 m | 3.1 m³ | 11.9 x 3.5 x 3.6 m |
| Caterpillar 349D2L | Large | 48 T | CAT C13 ACERT (380 HP) | 7.6 m | 3.0 m³ | 11.9 x 3.5 x 3.6 m |
| Caterpillar 345GC | Large | 44 T | CAT C9.3 ACERT (346 HP) | 7.5 m | 2.5 m³ | 11.5 x 3.4 x 3.5 m |
| Caterpillar 340D2L | Large | 40.2 T | CAT C9 ACERT (279 HP) | 7.5 m | 2.3 m³ | 11.3 x 3.3 x 3.4 m |
| Caterpillar 336D2L | Large | 36 T | CAT C9 ACERT (268 HP) | 7.5 m | 2.2 m³ | 11.1 x 3.2 x 3.3 m |
| Caterpillar 336D2 | Large | 35 T | CAT C9 ACERT (268 HP) | 7.5 m | 2.1 m³ | 11.1 x 3.2 x 3.3 m |
| Caterpillar 336GC | Large | 34.5 T | CAT C7.1 ACERT (273 HP) | 7.4 m | 2.1 m³ | 11.0 x 3.2 x 3.3 m |
| Caterpillar 330D2L | Large | 32 T | CAT C7.1 ACERT (209 HP) | 7.3 m | 1.8 m³ | 10.6 x 3.2 x 3.4 m |
| Caterpillar 330GC | Large | 30.6 T | CAT C7.1 ACERT (202 HP) | 7.2 m | 1.85 m³ | 10.4 x 3.1 x 3.2 m |
| Caterpillar 330D2 | Large | 30.5 T | CAT C7.1 ACERT (209 HP) | 7.2 m | 1.75 m³ | 10.4 x 3.1 x 3.2 m |
| Caterpillar 330D | Large | 30 T | CAT C9 ACERT (268 HP) | 7.2 m | 1.5 m³ | 10.4 x 3.2 x 3.3 m |
| Caterpillar 329D2 | Medium | 29.5 T | CAT C7.1 ACERT (204 HP) | 7.1 m | 1.6 m³ | 10.2 x 3.1 x 3.2 m |
| Caterpillar 329D | Medium | 29 T | CAT C7 ACERT (204 HP) | 7.1 m | 1.5 m³ | 10.2 x 3.1 x 3.2 m |
| Caterpillar 326D2L | Medium | 26.5 T | CAT C7.1 ACERT (188 HP) | 6.9 m | 1.45 m³ | 10.1 x 3.1 x 3.2 m |
| Caterpillar 325D2L | Medium | 26 T | CAT C7.1 ACERT (188 HP) | 6.8 m | 1.4 m³ | 10.1 x 3.1 x 3.2 m |
| Caterpillar 324D2L | Medium | 25.2 T | CAT C7.1 ACERT (188 HP) | 6.8 m | 1.35 m³ | 10.1 x 3.1 x 3.2 m |
| Caterpillar 324D2 | Medium | 24.5 T | CAT C7.1 ACERT (166 HP) | 6.8 m | 1.3 m³ | 10.1 x 2.9 x 3.1 m |
| Caterpillar 323D2L | Medium | 23.5 T | CAT C7.1 (157 HP) | 6.7 m | 1.2 m³ | 9.5 x 2.9 x 3.1 m |
| Caterpillar 323GC | Medium | 23 T | CAT C4.4 ACERT (145 HP) | 6.7 m | 1.2 m³ | 9.5 x 2.9 x 3.0 m |
| Caterpillar 320EL | Medium | 22.5 T | CAT C6.6 ACERT (152 HP) | 6.7 m | 1.15 m³ | 9.5 x 3.0 x 3.1 m |
| Caterpillar 320D2L | Medium | 22.3 T | CAT C7.1 (146 HP) | 6.7 m | 1.1 m³ | 9.5 x 3.0 x 3.1 m |
| Caterpillar 320GC | Medium | 21.9 T | CAT C4.4 ACERT (143 HP) | 6.6 m | 1.0 m³ | 9.4 x 2.8 x 3.0 m |
| Caterpillar 320D Premium | Medium | 21.5 T | CAT C6.4 ACERT (148 HP) | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m |
| Caterpillar 320D Classic | Medium | 21.5 T | CAT C6.4 ACERT (148 HP) | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m |
| Caterpillar 320D Power Pro | Medium | 21.5 T | CAT C6.4 ACERT (148 HP) | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m |
| Caterpillar 320D | Medium | 21.5 T | CAT C6.4 ACERT (148 HP) | 6.7 m | 1.0 m³ | 9.5 x 2.9 x 3.0 m |
| Caterpillar 320BL | Medium | 21.5 T | CAT 3066T (138 HP) | 6.6 m | 1.0 m³ | 9.4 x 3.0 x 3.1 m |
| Caterpillar 320CL | Medium | 21.5 T | CAT 3066T (138 HP) | 6.6 m | 1.0 m³ | 9.4 x 3.0 x 3.1 m |
| Caterpillar 320D2 | Medium | 21.2 T | CAT C7.1 (146 HP) | 6.6 m | 1.0 m³ | 9.4 x 2.8 x 3.0 m |
| Caterpillar 320C | Medium | 21 T | CAT 3066T (138 HP) | 6.6 m | 0.9 m³ | 9.4 x 2.8 x 3.0 m |
| Caterpillar 320GX | Medium | 21 T | CAT C4.4 ACERT (145 HP) | 6.6 m | 0.95 m³ | 9.4 x 2.8 x 3.0 m |
| Caterpillar 315D2L | Medium | 15.8 T | CAT C4.4 ACERT (115 HP) | 5.9 m | 0.7 m³ | 8.3 x 2.6 x 2.9 m |
| Caterpillar 315D2GC | Medium | 15 T | CAT C4.4 ACERT (101 HP) | 5.8 m | 0.65 m³ | 8.2 x 2.5 x 2.8 m |
| Caterpillar 312D2GC | Midi | 13.2 T | CAT 3054C (91 HP) | 5.5 m | 0.58 m³ | 7.6 x 2.5 x 2.8 m |
| Caterpillar 308E2 | Mini | 8.4 T | CAT C3.3B (65 HP) | 4.1 m | 0.35 m³ | 6.3 x 2.3 x 2.5 m |
| Caterpillar 307.5 | Mini | 7.5 T | CAT C2.4 Turbo (55.9 HP) | 4.1 m | 0.3 m³ | 6.1 x 2.2 x 2.6 m |
| Caterpillar 307E2 | Mini | 7.3 T | CAT C2.4 Turbo (50.6 HP) | 4.1 m | 0.31 m³ | 6.1 x 2.2 x 2.6 m |
| Caterpillar 307E | Mini | 7.2 T | CAT C2.4 (50.6 HP) | 4.1 m | 0.28 m³ | 6.1 x 2.2 x 2.6 m |
| Caterpillar 306E2 | Mini | 6.2 T | CAT C2.4 Turbo (57.7 HP) | 3.7 m | 0.23 m³ | 5.9 x 1.9 x 2.6 m |
| Caterpillar 306 | Mini | 6 T | CAT C2.4 Turbo (55.9 HP) | 3.7 m | 0.22 m³ | 5.8 x 2.0 x 2.6 m |
| Caterpillar 304CCR | Mini | 4 T | CAT C2.4 (41.8 HP) | 3.2 m | 0.14 m³ | 5.2 x 1.8 x 2.5 m |
| Caterpillar 303.5E2 | Mini | 3.7 T | CAT C1.7 (31.6 HP) | 2.9 m | 0.12 m³ | 4.8 x 1.7 x 2.5 m |
| Caterpillar 303.5E | Mini | 3.5 T | CAT C1.7 (31.6 HP) | 2.9 m | 0.11 m³ | 4.7 x 1.7 x 2.5 m |
| Caterpillar 303E | Mini | 3.3 T | CAT C1.3 (23.5 HP) | 2.8 m | 0.1 m³ | 4.7 x 1.5 x 2.5 m |
| Caterpillar 302 | Mini | 2 T | CAT C1.1 (19.2 HP) | 2.4 m | 0.06 m³ | 3.7 x 1.1 x 2.3 m |
Why Choose a Used Caterpillar Excavator? Core Technical Advantages
ACERT™ Engine Superiority
Caterpillar's ACERT™ Technology is a masterclass in fuel atomization and air management. By managing combustion with surgical precision, used CAT engines deliver peak torque at lower RPMs, significantly reducing fuel consumption while maintaining massive breakout force.
Intelligent Hydraulics (PPPC)
The Proportional Priority Pressure Compensating (PPPC) hydraulic system ensures that power is distributed exactly where needed. This allows for smooth, simultaneous boom, stick, and swing movements, making CAT the preferred choice for operators managing complex grading or deep trenching.
Unmatched Global Resale Value
A used Caterpillar excavator is not just a tool; it is a financial asset. Thanks to the global availability of parts and the legendary durability of their heavy-duty frames, CAT machines command the highest resale value in the 2026 pre-owned machinery market.
Classes of CAT Excavators: Finding Your Perfect Match
Mini Excavators
1 - 10 Tons
Urban Landscaping & Utilities
Models like CAT 302 and 308 feature zero tail swing and easy transportability for confined job sites.
Small Excavators
11 - 18 Tons
Residential & Site Prep
The 312D and 315 series offer the perfect balance of digging power and low ground pressure for soft soil.
Medium Excavators
20 - 35 Tons
General Construction Hub
The iconic 320D and 330D are the industry standard for roadwork, utility trenching, and commercial projects.
Large Excavators
36 - 50+ Tons
Mining & Mass Excavation
The 336D and 349E are built for 24/7 heavy production, rock ripping, and large-scale earthmoving.
Essential Maintenance Tips for Your Used CAT
S·O·S℠ Fluid Analysis
Caterpillar's Scheduled Oil Sampling (S·O·S) is critical. Regular testing of engine, hydraulic, and transmission fluids detects microscopic wear before it becomes a failure.
Undercarriage Inspections
The undercarriage can represent a major portion of maintenance costs. Monitor link height, roller wear, and track tension weekly to maximize ROI on 20-ton units.
Electronic Technician (ET) Monitoring
Always use a CAT ET diagnostic tool to check for active codes, historical load data, and fuel consumption trends. This ensures your '95% New' unit stays in peak health.
Hydraulic Valve Sweating
Regularly clean the main control valve bank. 'Sweating' indicates seal aging; early replacement of O-rings prevents high-pressure leaks and system cavitation.
Professional Buyer's Checklist
Verify the **CAT ET** report for engine load history and maintenance codes.
Check the undercarriage link height; 95% new status is critical for heavy mining projects.
Inspect the main hydraulic valve bank for 'sweating' or pressure leaks during cycle time tests.
Technical Logistics Summary
Global Export Readiness Data
Standard 20T track width is 2.9m-3.0m, requiring Flat Rack maritime containers for global export.
All CAT units in our yard include verified lashing points and certified shipping dimensions.
Caterpillar Technical FAQ
What does ACERT™ engine technology provide?
CAT ACERT technology optimizes fuel combustion to meet strict international emission standards while delivering massive breakout torque at low RPMs.
How do you verify the health of used CAT hydraulics?
Every unit undergoes a 120-point SGS audit, measuring cycle times and pump flow pressures against original factory specs.
Are technical data sheets included with the machine?
Yes, we provide the full original Caterpillar technical specification sheet and certified inspection report for every purchase.
Export Your Certified CAT Asset Today
Our China-based export yard holds the world's most pristine inventory of low-hour Caterpillar excavators. Get a certified **'95% New'** unit with a complete SGS technical audit today.