Toyota 1HD Engine Specs
The Toyota 1HD engine is a series of inline-six diesel engines produced by Toyota Motor Corporation. These engines are commonly found in Toyota Land Cruiser vehicles and are known for their durability and reliability. Let’s take a closer look at the specifications of the Toyota 1HD engine.
Engine Configuration
The Toyota 1HD engine features an inline-six configuration, meaning it has six cylinders arranged in a straight line. This configuration offers several advantages, including smooth operation, good balance, and compact size. The 1HD engine also utilizes a cast-iron engine block for enhanced strength and durability.
Engine Oil Specs & Service Intervals
Proper engine oil is crucial for the performance and longevity of any engine, including the Toyota 1HD. Here are the recommended engine oil specifications and service intervals for the 1HD engine:
- Engine Oil Type: It is recommended to use a high-quality diesel engine oil with a viscosity grade of 15W-40. This oil should meet the API (American Petroleum Institute) specification of CI-4 or higher.
- Oil Capacity: The Toyota 1HD engine has an oil capacity of approximately 9.5 liters (10 quarts).
- Service Intervals: Regular oil changes are essential to maintain the health of the engine. It is generally recommended to change the engine oil and oil filter every 5,000 to 7,500 miles or every six months, whichever comes first. However, it is always best to consult the owner’s manual for the specific service intervals recommended by Toyota.
Detailed Engine Specifications
Here is a detailed chart outlining the specifications of the Toyota 1HD engine:
| Engine Specifications | 1HD Engine |
|---|---|
| Engine Type | Inline-six, diesel |
| Displacement | 4.2 liters (4164 cc) |
| Bore x Stroke | 94 mm x 100 mm |
| Compression Ratio | 18.6:1 |
| Valve Configuration | Overhead Valve (OHV) |
| Max Power Output | 164 horsepower at 3,600 rpm |
| Max Torque | 280 lb-ft at 2,200 rpm |
| Fuel System | Direct Injection |
| Aspiration | Turbocharged |
| Engine Weight | Approximately 350 kg (771 lbs) |
The Toyota 1HD engine is a robust and capable powerplant that has proven its reliability over the years. Whether you’re tackling off-road adventures or cruising on the highway, the 1HD engine delivers the performance and durability you can trust.
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