Nissan HR10DDT

Nissan HR10DEThe Nissan HR10DDT is a 1.0 l straight three, 4-stroke internal combustion gasoline engine from Nissan HR family, co-developed by Nissan (Aichi Kikai) and Renault. Renault calls it the H engine.

The HR10DDT is a dual direct-injected (Direct Injection Gasoline system or DIG), supercharged and turbocharged engine.

It has a cast aluminum engine block with four main bearings and aluminum DOHC (dual overhead camshaft) cylinder head with 4 valves per cylinder. Bore is 78.0 mm (3.07 in) and stroke is 69.7 mm (2.74 in).

The breakdown of the engine code is as follows:

  • HR – Engine Family
  • 10 – 1.0 Liter Displacement
  • D – DOHC (Dual Overhead Camshafts)
  • D – Direct Cylinder Fuel Injection
  • T – Turbocharged

General information

Engine Specifications
Engine code HR10DDT
Layout Four stroke, Inline-3 (Straight-3)
Fuel type Gasoline
Displacement 1.0L, 999 cc (60.69 cu in)
Fuel system Direct Injection Gasoline, DIG
Power adder Supercharger, turbocharger
Power output
Torque output
Firing order
Dimensions (L x H x W):

Cylinder block

Cylinder block
Cylinder block alloy Aluminum
Compression ratio:
Cylinder bore: 78.0 mm (3.07 in)
Piston stroke: 69.7 mm (2.74 in)
Bore Pitch (Bore Spacing):
Block Height:
Con rod length:
Crankshaft journal diameter:
Crankpin diameter:

Cylinder head

Cylinder head
Cylinder head alloy Aluminum
Valve Arrangement: DOHC, chain drive
Valves: 12 (4 valves per cylinder)
Intake valves diameter:
Exhaust valves diameter:

Vehicle applications

The Nissan HR10DDT was anticipated for use in the 2010 Nissan Micra but was ultimately dropped in favor of the HR10/12DE and still-simpler HD12DDR/DDT engines, dependent on vehicle and application.

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