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Used CAT 312D Excavator 12.5ton for sale original paint
*Stringent Quality Assurance: This used construction equipment has successfully passed 15 comprehensive inspections, ensuring top-notch performance across the engine, hydraulic systems, and structural components. Every part is in peak condition, ready to handle demanding tasks from the get-go.
*Cost-Effective Solution: Skip the hefty price tag of new machinery. Our used construction equipment can save more than 20% on initial costs while maintaining over 80% of its original operational efficiency, making it the perfect choice for maximizing project budgets.
*Proven Dependability: With verified low operating hours and a complete service history, this machine has consistently excelled in demanding tasks like mining and road construction. Trusted by contractors globally, it’s a reliable workhorse for any project.
1. Core Power & Powertrain (Engine)
Engineered with CAT’s ACERT™ technology, this powertrain balances strict emissions compliance with high torque efficiency, a key selling point for global buyers concerned with fuel economics.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | CAT C4.2 ACERT | CAT C4.2 ACERT | Electronic common rail, turbocharged |
| Net Flywheel Power | 68 kW | 91 hp | Rated @ 1800 rpm (ISO 9249) |
| Gross Power | 72 kW | 96 hp | Total thermodynamic capacity |
| Displacement | 4.25 L | $259\text{ cu in}$ | 4-Cylinder inline configuration |
| Bore / Stroke | $102\text{ mm / }130\text{ mm}$ | $4.02\text{ in / }5.12\text{ in}$ | High-displacement, low-wear layout |
2. Weight, Capacities & Logistics Dimensions
Precise logistical metrics essential for calculating international shipping configurations (Containerization, RORO, or Flat Rack) and local road transport clearance.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 12,920 kg | 28,480 lbs | Standard configuration layout |
| Transport Length | 7,610 mm | 24.97 ft | Boom lowered position |
| Transport Width | 2,490 mm | 8.17 ft | Standard 600 mm track shoe layout |
| Transport Height | 2,830 mm | 9.28 ft | Top of cab clearance |
| Fuel Tank Capacity | 250 L | 66.1 gal | High-capacity tank for extended runtime |
| Hydraulic Tank Cap. | 92 L (162 L System) | 24.3 gal (42.8 gal) | Total fluid volume declaration |
3. Hydraulic & Structural Systems
The high-pressure hydraulic system features an automatic priority function for swing and boom lift, maximizing cycle times for high-production projects.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max Implement Flow | $2\times 127\text{ L/min}$ | $2\times 33.5\text{ gal/min}$ | Dual variable-displacement piston pumps |
| Max Implement Pressure | 35,000 kPa | 5,080 psi | Heavy lift/digging circuit threshold |
| Travel Pressure | 35,000 kPa | 5,080 psi | Heavy lift track drive circuit |
| Swing Speed | 12.4 rpm | 12.4 rpm | High-efficiency cycle performance |
| Bucket Breakout Force | 94.2 kN | 21,180 lbs | High-penetration linkage force |
4. Undercarriage & Ground Logistics
Built on a heavy-duty, robotically-welded pentagonal carbody to resist torsional stress in severe underfoot conditions.
| Parameter | Metric System | Imperial System | Underfoot Durability |
| Standard Shoe Size | 600 mm | 24 in | Triple grouser track pads |
| Track Gauge | 1,990 mm | 6.53 ft | Stable lateral footprint |
| Max Travel Speed | 5.5 km/h | 3.4 mph | Dual-speed auto shift travel |
| Max Drawbar Pull | 114 kN | 25,630 lbs | High climbing/towing capability |
| Ground Pressure | 41.2 kPa | 5.98 psi | Standard track configuration ratio |
5. Working Ranges (Standard 2.5 m / 8’2″ Stick)
Accurate digging envelopes for commercial procurement matching job-site specifications.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 5,540 mm | 18.18 ft |
| Max Reach Along Ground | 8,170 mm | 26.80 ft |
| Max Cutting Height | 8,470 mm | 27.79 ft |
| Max Loading Height | 6,080 mm | 19.95 ft |
| Standard Bucket Capacity | $0.52\text{ m}^3$ |
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