Mitsubishi 4D34 Complete Diesel Engine

Mitsubishi 4D34 is an inline four-cylinder, water-cooled four-stroke direct injection diesel engine. Displacement 3.908L, bore × stroke:104 mm × 115 mm. It has multiple variants: naturally aspirated 4D34, turbocharged 4D34T, turbo & intercooled 4D34-TLE series. Equipped with mechanical rotary injection pump, mainly meets Euro II emission standard.

High-rigidity cast iron cylinder block and cylinder head, long-stroke design brings strong low & medium speed pulling force. Less electronic components, adaptable to poor-quality diesel and dusty, high-temperature working environments. Standard installation dimensions support direct replacement without large modification. Available options: complete engine assembly, long block bare engine. Each unit undergoes bench test before delivery.

Matching Equipment List

Mitsubishi Fuso Canter light/medium trucks, Rosa medium passenger buses

KATO HD512-III and other 12-ton class excavators

Light loaders, forklifts, stationary generator sets, small engineering machinery

Product Advantages

Strong Low-speed Torque & Stable Power

• Multiple power specifications cover 81–121 kW (110–165 PS) @2900 rpm; peak torque 275–370 N·m @1600 rpm.
• Long-stroke structure, powerful climbing and heavy-load traction, suitable for frequent start-stop transportation.
• Steady power output under variable loads, excellent performance for urban delivery and earthmoving work.

High Durability & Low Maintenance Cost

• Mature mass-produced platform, decades of market verification, stable under harsh operating conditions.
• Mechanical injection system, simple structure, easy on-site overhaul without complex diagnostic equipment.
• Complete global spare parts supply chain, low maintenance expense and short downtime.

Wide Application Compatibility

• Perfect interchangeability for Mitsubishi Fuso commercial vehicles and matching excavators.
• Multiple configurations optional: naturally aspirated for light load; turbo intercooled for heavy-duty scenarios.
• Can be matched with vehicles, engineering machinery and generator sets to meet diversified replacement demands.

Technical Specifications