Nissan TD23 Engine

The TD23 engine exemplifies the excellence of Japanese diesel engine manufacturing. Its compact size, impressive functionality, and cost-effectiveness set it apart. Despite its unassuming appearance, this engine packs a considerable punch, making it a favored choice for small trucks, crossovers, SUVs, and automobiles.

History and Evolution

Production of the TD23 began in late 1985, and by the end of 1986, these internal combustion engines were seamlessly integrated into various vehicle designs, including the Nissan Atlas. In essence, the TD23 engine succeeded and improved upon its predecessors, the “SD23” and “SD25,” inheriting their best qualities. As a result, it evolved into a high-quality Nissan diesel engine that remained in production for many years. Remarkably, it’s still manufactured in limited quantities for budget trucks and is available for custom orders.

Time-Tested Quality

While the era of the TD23 may be in the past, its enduring high quality, reliability, and impressive technical attributes continue to make it a competitive engine, even in today’s automotive landscape. There are no distinct profile features that set this internal combustion engine apart – it’s a typical diesel engine with an overhead valve structure and liquid cooling.

However, Nissan’s meticulous and efficient approach to its development and ongoing production has made all the difference. To reiterate, the TD23 has enjoyed popularity for over 30 years and remains highly regarded among individuals connected to the automotive industry or involved in auto repair in any capacity.


Manufacturer Nissan
Motor brand TD23
Years of production 1985-present (active release from 1985 to 2000)
Cylinder head (cylinder head) Cast iron
Nutrition Diesel injector with fuel injection pump
Construction diagram (cylinder operating order) Inline (1-3-4-2)
Number of cylinders (valves per cylinder) 4 (4)
Piston stroke, mm 73.1
Cylinder diameter, mm 72.2
Compression ratio 22:1
Engine capacity, cubic meters cm 2289
Power, hp 76
Torque, Nm 154
Fuel DT
Environmental standards EURO-3/ EURO-4
Fuel consumption per 100 km
– city 7
– track 5.8
– mixed mode 6.4
Oil consumption, grams per 1000 km 600
Type of lubricant used 5W-30 (synthetic)
Oil change frequency, km 10-15,000
Engine life, km 700,000-1,000,000
Upgrade options available, potential – 120-140 hp.
Equipped models Nissan Atlas
Nissan Caravan
Nissan Homy
Datsun Truck

Most Common TD23 Engine Problems

  1. Noise and Vibration: The engine is known for being very noisy and prone to vibrations due to the timing gear drive.
  2. Timing Gear Wear: Gears wear out after around 250,000 km, causing the valve timing to go astray.
  3. Fuel System Issues: Around the same mileage, problems may arise with the pump or gear block gasket, leading to leaks.
  4. Electrical Problems: The oil pressure sensor and crankshaft position sensors may develop issues over time.
  5. Detonation: Detonation can occur due to bad fuel, leading to cracks in the bridges between the vortex chambers.

Repair and Service

Nissan’s TD23 is a shining example of a reliable diesel engine. Despite the mentioned technical characteristics, the main advantage of this internal combustion engine is its high reliability. According to reviews from TD23 operators, this engine rarely breaks down and is unremarkable in use.

The Japanese unit does not have any typical faults. In Russian realities, the following issues are most often observed:

  • Leaking gaskets
  • Fuel system problems due to low-quality fuel
  • Increased oil consumption

Any breakdowns of the TD23 can be fixed extremely simply – just contact a specialized Nissan center or any service station.

The TD23 engine is not just a piece of automotive history; it’s a testament to the enduring quality and reliability of Japanese engineering. Its legacy lives on, and for those who appreciate a dependable diesel engine, the TD23 remains a solid choice.

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