Weichai New Product Release: WP14NG-4.0, WP5H, WP2.5T + Next-Gen EV Power System

December 6, 2025 — At the Shandong Heavy Industry–Weichai Group 2026 Business Conference in Weifang, Weichai showcased its latest breakthroughs in commercial vehicle power technology.

In the exhibition area, Weichai displayed multiple best-selling engines — WP14T/H/Q-2.0, WP16NG-4.0, WP12T/H/Q-2.0, WP6Hs/T/Q, WP2.5N — along with battery systems, electric motors, motor controllers, and cutting-edge hydrogen technologies such as the WP15 Hydrogen ICE and fuel cell systems, demonstrating Weichai’s full-spectrum innovation across diversified power energy.

At the event, Weichai officially released three next-generation engines for the 2026 commercial vehicle market:

🎉 WP14NG-4.0 | WP5H | WP2.5T

and a new generation of EV power systems, including:

🔋 CTB batteries | Under-floor battery packs | High-power electric drive systems

🚀 WP14NG-4.0 — The New King of 14L Natural Gas Engines

Core Specifications:

🔧 Equipped with the world’s only mass-produced vaulted cylinder head, paired with:

• Weichai exclusive combustion chamber

• Fast-burn technology

• High-energy ignition system

🌟 Performance Advantages

• ⚡ Response speed +30%

• 💪 Torque +8%

• 🚚 Stronger acceleration & power output

💰 Fuel Savings Advantage:

Saves 2+ kg natural gas per 100 km vs competitors, with an additional 1 kg reduction coming in January 2026.

🔥 WP2.5T — High-Value Choice for Blue-Plate Light Trucks

A new 4-cylinder, 2-valve 2.5L platform tailored for the blue-plate segment.

📌 Key Advantages

• Power range: 140–190 hp

• Max torque: 500 N·m

• Classic durability with higher value return

• Modular design for easier maintenance

👉 Designed to improve transportation efficiency and reduce total cost of ownership for light trucks.

💪 WP5H — 4.9L Cargo Market Power Benchmark

📈 Full platform upgrade:

🔐 Enhanced Reliability

• High-strength materials

• Precision engineered components

⛽ Fuel Economy Upgrade

Saves 2.5 g/kW·h compared to competing products — more savings, stronger performance.

⚡ Next-Gen EV Power System — For All Transport Scenarios

🔋 CTB Battery for Heavy Trucks

• Capacity: 400–600 kWh

• 95% fewer components

• Lighter weight, simpler build

• Faster assembly, higher reliability

🔋 Under-Floor Battery Pack (In-House Design)

• Lower center of gravity

• Shorter wheelbase flexibility

• Faster charging
  👉 Perfect for high-speed logistics

⚡ High-Power Integrated Electric Drive System

• Integrated motor + controller

• Fits light trucks, heavy trucks & buses

• Peak power up to 700 kW

• Efficient, powerful, and durable

🌟 Multi-Energy Strategy — From Combustion Leadership to New Energy Pioneer

Weichai continues to push thermal efficiency in internal combustion engines, reducing customer operational costs, while rapidly expanding into new-energy technologies.

🚛🔋💡 Weichai is building the future of multi-energy commercial vehicle power, accelerating industry transformation.