Weichai Power WP13.550E501 engine for construction equipment

The Weichai WP13 series engine is a flagship product in the heavy-duty commercial vehicle and industrial power sectors; the WP13.550E501 model is specifically designed for high-load operations, long-haul logistics, and demanding working conditions. Combining Weichai’s leading combustion technology with a reliable electronic control system, this engine delivers robust power while offering exceptional fuel economy.

Engine Configuration: Inline-6 ​​cylinder, 4-stroke, 12.54L displacement

Cooling System: Water-cooled (forced circulation; high-efficiency heat dissipation design adapted for complex climatic conditions)

Rated Power: 405 kW (550 hp) @ 1900 rpm

Peak Torque: 2550 N·m @ 1000 – 1400 rpm (excellent low-speed, high-torque characteristics; enhances heavy-load starting and hill-climbing capabilities)

Fuel System: High-pressure common-rail injection system (Bosch system); high injection pressure and precise combustion control

Emission Standard: Compliant with China V emission standards

Dimensions: Approx. 1,350 mm (L) × 950 mm (W) × 1,150 mm (H)

Weight: Dry weight approx. 1,050 – 1,100 kg

Key Advantages:

Superior Power: Tuned for heavy-load transport with ample power reserves.

Long Maintenance Intervals: Utilizes high-strength materials and long-life technologies to significantly extend service intervals and reduce user operating costs.

Reliability: Key components sourced from world-class suppliers; the engine boasts an exceptionally high B10 service life.

Primary Applications: Heavy-duty tractor units, cargo trucks, dump trucks, and large-scale construction machinery.

Guangzhou Jianming Machinery Equipment Co., Ltd.
With 20 years of solid practical experience, we are experts in the field of mechanical power systems and components.

We began as a small machinery repair shop. Over the past two decades, we have accumulated a wealth of experience through successful global projects and maintenance operations. Drawing on extensive frontline experience in resolving complex mechanical issues, we have earned widespread global acclaim and evolved into a comprehensive enterprise employing over 200 professionals.

We possess a deep understanding of the challenges equipment faces under extreme conditions, backed by rich practical experience and expertise in the following areas:

**Heavy Machinery Power Upgrades & Retrofitting:** We provide customized engine modification and replacement solutions for a wide range of heavy-duty trucks, excavators, bulldozers, and loaders. We are proficient in all major power platforms, including Weichai.

**Mining Equipment Maintenance & Optimization:** We offer professional repair, maintenance, and power optimization strategies specifically designed for heavy-duty mining equipment operating under high-load conditions.

**Agricultural & Irrigation System Solutions:** We assist farms with the efficient design and assembly of irrigation systems, as well as troubleshooting and upgrading power units for various types of agricultural machinery.

Leveraging our deep technical expertise, we are also a robust supplier of spare parts:

**Comprehensive Parts Supply:** We offer a wide, carefully curated selection of heavy machinery parts—covering hydraulic systems, fuel systems, internal engine components, and electrical systems—to meet all your one-stop procurement needs.

Our extensive practical experience and robust supply chain are our most valuable assets. Whether you are facing complex mechanical challenges or require reliable spare parts, Jianming Machinery has the expertise to ensure your success!