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Machine Profile
The John Deere 70D is a mid-sized excavator weighing about 14,700 lbs (6,670 kg), designed for a blend of maneuverability and power in construction, landscaping, and utility working environments. It features a stable undercarriage and powerful hydraulics suitable for varied earthmoving tasks.
Key Specifications
The John Deere 70D arrives in a lineage of “D” series excavators known for industrial durability and steady hydraulic systems that cater to mid-sized excavation and utility projects. Its balance of power and mobility has made it enduringly popular with contractors needing versatility without the bulk of larger excavators.
Real-World Use
Users consistently highlight the ease of operation and straightforward maintenance of the 70D. Its moderate size is favored for utility installation, landscaping, and smaller construction projects, while the standard hydraulic settings provide ample digging force and cycle efficiency for tough tasks.
Conclusion
The John Deere 70D is a reliable and well-engineered mid-sized excavator, offering 55 hp of natural aspiration power, robust hydraulic flow, and industry-standard operational pressures for smooth and efficient excavation. Its compact footprint and effective attachments make it an ideal choice for multifaceted earthmoving needs in constrained work sites.
The John Deere 70D is a mid-sized excavator weighing about 14,700 lbs (6,670 kg), designed for a blend of maneuverability and power in construction, landscaping, and utility working environments. It features a stable undercarriage and powerful hydraulics suitable for varied earthmoving tasks.
Key Specifications
- Engine: John Deere 300 Series, 4-cylinder diesel, 239 cubic inches (3.9 liters), naturally aspirated.
- Power Output: Approximately 55 SAE horsepower (41 kW) at 2200 rpm.
- Torque: Maximum torque of 158 lb-ft (214 Nm) at 1200 rpm.
- Hydraulic Pumps: Dual pumps with maximum oil flow of two times 25 gallons per minute (approximately 95 liters per minute).
- Operating Weight: Approximately 14,718 lbs (6,675 kg).
- Transport Dimensions: Length around 19 ft 11 in, width 7 ft 5 in, and height about 8 ft 3 in.
- Operating Pressure Settings: Boom raise at 3,550 psi, arm and bucket around 3,340 psi, swing at 3,130 psi.
- Swing Speed: Around 10.1 rpm delivering smooth rotation.
- Bucket Capacity: Typically equipped with a 24-inch bucket, adjustable based on application.
- Blade: Optional backfill blade with blade pressure setting of about 2,560 psi.
- The natural aspiration of the engine provides steady power with reliable cold start characteristics.
- Hydraulic relief valves ensure safe operations by limiting pressures to prevent damage.
- Compact size allows operation in confined urban or site-restricted areas.
- Precise hydraulic control enables smooth digging, swinging, and blade operations for efficient material handling.
- Naturally Aspirated Engine: Engine without turbo or supercharging, relying on atmospheric pressure for air intake.
- Relief Valve: Safety valve preventing hydraulic pressure from exceeding set limits.
- SAE Horsepower: Standardized measure of engine power output.
- Swing Speed: The rotational speed of the excavator’s upper structure.
- Backfill Blade: A blade attached to the undercarriage for leveling or backfilling operations.
The John Deere 70D arrives in a lineage of “D” series excavators known for industrial durability and steady hydraulic systems that cater to mid-sized excavation and utility projects. Its balance of power and mobility has made it enduringly popular with contractors needing versatility without the bulk of larger excavators.
Real-World Use
Users consistently highlight the ease of operation and straightforward maintenance of the 70D. Its moderate size is favored for utility installation, landscaping, and smaller construction projects, while the standard hydraulic settings provide ample digging force and cycle efficiency for tough tasks.
Conclusion
The John Deere 70D is a reliable and well-engineered mid-sized excavator, offering 55 hp of natural aspiration power, robust hydraulic flow, and industry-standard operational pressures for smooth and efficient excavation. Its compact footprint and effective attachments make it an ideal choice for multifaceted earthmoving needs in constrained work sites.
