Caterpillar 312D Excavator Overview

The Caterpillar 312D is a reliable 12-ton medium-small hydraulic excavator built for general construction, trenching, site clearing and light earthmoving tasks. Well-known for its proven ACERT engine technology, solid structure and stable control performance, the 312D remains one of the most popular used excavators for global contractors.

Caractéristiques principales :

Proven Cat Power Unit The excavator is fitted with the Cat C4.2 ACERT diesel engine, delivering 67 kW (90 HP) net power at 2200 rpm. This durable engine features advanced combustion technology, stable output under variable loads and good tolerance to poor fuel quality, supporting long-hour continuous work with balanced fuel consumption.

Stable Heavy-Duty Build With an operating weight of approximately 12,920 kg, the 312D adopts a reinforced main frame and heavy-duty track undercarriage. It maintains excellent working stability on uneven ground, with robust components to reduce wear and extend service life in mixed site conditions.

Versatile Digging & Loading Performance Equipped with a standard 0.52 m³ bucket and maximum digging depth of 5,540 mm. The machine efficiently handles foundation excavation, pipe trenching, backfilling and material loading, and supports quick attachment swap to fit multiple job requirements.

Système hydraulique efficace The responsive load-sensing hydraulic system enables smooth combined movements and precise joystick operation. Fast cycle times improve productivity during repeated digging, slewing and dumping operations on small and medium projects.

Serviceable & Operator-Centric Design Ground-level service access points simplify daily inspection and routine maintenance to cut downtime. The enclosed operator cab provides good all-around visibility and ergonomic controls, lowering operator fatigue during long working shifts.

Applications :

The Caterpillar 312D is ideal for a range of applications, including:

• General Building Construction: Foundation excavation, site cleanup and bulk earthworks.
• Municipal & Utility Works: Pipeline trenching, cable laying and roadside maintenance.
• Land Development: Land grading, pond digging and small site preparation.
• Light Demolition & Material Handling: Debris removal and light demolition tasks.

Conclusion:

The Caterpillar 312D excavator stands out for its compact 12-ton size, trusted Cat powertrain and low maintenance costs. It is a flexible workhorse for medium-light earthwork projects. Highly sought after in the used machinery market, the 312D balances reliable performance and easy repair, making it a preferred option for contractors looking for dependable mid-size excavators.