Mitsubishi 4m40T New Head and Block Engine

The

Mitsubishi 4M40T

is a 2.8-litre, four-cylinder, turbocharged diesel engine

engineered by Mitsubishi Motors. It succeeded the older 4D56 engine family and is highly regarded for its low-end torque, simple mechanical layout, and robust cast-iron construction. [1

, 2

, 3

]

Key Technical Specifications

Displacement:

2,835 cc

Configuration:

Inline 4-cylinder, Turbocharged Diesel

Valvetrain:

Single Overhead Camshaft (SOHC), 2 valves per cylinder (8V total)

Block Material:

Heavy-duty cast iron

Power Output:

Typically ranges between 92 kW to 103 kW (approx. 125 to 140 hp)

Torque Output:

Approximately 290 to 320 Nm

, providing robust towing and off-road power

Fuel System:

Mechanical indirect injection (swirl chamber) or early direct injection, depending on production year

.

Vehicle Applications

The 4M40T engine was heavily used across Mitsubishi’s utility, commercial, and 4×4 lineups from the 1990s through the 2000s: [1

, 2

, 3

]

Mitsubishi Pajero / Montero / Shogun

(Gen 2 and Gen 3 models)

Mitsubishi Triton / L200 / Colt

pickups

Mitsubishi Delica / Space Gear

4×4 vans

Mitsubishi Challenger

SUVs

Mitsubishi Fuso Canter

light commercial trucks