沃尔沃 D7D Engine

The Volvo D7D is a reliable, technologically mature 7.1-liter inline-six diesel engine. Serving as the core power unit for Volvo’s medium-sized construction machinery, the D7D is renowned for its excellent torque output, superior fuel economy, and durability under demanding operating conditions; it is the standard engine configuration for many Volvo excavators, wheel loaders, and articulated haulers. Engine Configuration: Inline-six, 4-stroke, 7.1-liter (433 in³) displacement Cooling System: Liquid-cooled (featuring excellent heat exchange capabilities suitable for heavy-duty operations) Rated Power: 120 – 195 kW (160 – 260 hp) @ 1800 – 2200 rpm (depending on specific application and turbocharging calibration) Fuel System: Electronically controlled injection system, delivering precise fuel delivery and responsive power Emission Standards: Compliant with EU Stage II/III or US EPA Tier 2/3 equivalent standards, depending on the market and manufacturing period Dimensions & Weight: Approx. 1,150 mm (L) × 700 mm (W) × 1,000 mm (H); dry weight approx. 600 – 650 kg Key Advantages: Excellent low-speed torque performance; advanced power management system ensuring stable operation amidst load fluctuations; compact design facilitating easy maintenance and servicing. Key Applications: Volvo EC210 and EC240 series excavators, L120 series wheel loaders, as well as select articulated haulers and industrial generator sets. Guangzhou Jianming Machinery Equipment Co., Ltd. With 20 years of solid practical experience, we are experts in the field of machinery power systems and components. We began as a small machinery repair shop. Over the past two decades, we have accumulated a wealth of successful global projects and maintenance expertise. Drawing on our frontline experience in resolving complex mechanical issues, we have earned widespread acclaim and grown into a comprehensive enterprise employing over 200 professionals. We deeply understand the challenges equipment faces under extreme conditions and possess extensive practical experience and expertise in the following areas: **Heavy Machinery Power Upgrades and Retrofitting:** We provide customized engine retrofitting and replacement solutions for excavators, bulldozers, loaders, and other heavy equipment. We are proficient in major power systems, including brands such as Caterpillar, Kobelco, Yanmar, Cummins, Isuzu, Perkins, Deutz, and Volvo. **Mining Equipment Maintenance and Optimization:** We offer professional repair, maintenance, and power optimization strategies specifically designed for heavy-duty mining equipment operating under high-load conditions. **Agricultural and Irrigation System Solutions:** We assist farms in the efficient design and assembly of irrigation systems, as well as in troubleshooting and upgrading power units for various types of agricultural machinery. Leveraging our extensive technical expertise, we are also a robust supplier of spare parts: **Comprehensive Machinery Parts Supply:** With deep insight into maintenance and a commitment to quality, we offer a wide, carefully selected range of parts for excavators and heavy machinery—covering hydraulic systems, fuel systems, internal engine components, and electrical systems—to meet all your one-stop procurement needs. Our wealth of practical experience and robust supply chain system are our most valuable assets. Whether you are facing complex mechanical challenges or require reliable spare parts, Jianming Machinery has the expertise to help you succeed! Please contact our sales representative, Mr. Zhan. WeChat/WhatsApp: +86 180 2712 4770