Description
The Toyota 1RZ is a gasoline-powered inline-four engine produced by Toyota Motor Corporation. It is commonly found in small commercial vehicles, minivans, and light trucks, particularly in markets where compact and reliable engines are preferred. Below is a detailed introduction along with specifications presented in a table format:
The Toyota 1RZ engine belongs to the RZ engine family, which also includes the 2RZ and 3RZ engines. It was first introduced in the late 1980s and continued production into the early 2000s. The 1RZ is known for its reliability, fuel efficiency, and low maintenance requirements, making it a popular choice for light-duty applications.
Specifications:
| Aspect | Specification |
|---|---|
| Engine Type | Inline-four, gasoline |
| Displacement | 2.0 liters (1,998 cc) |
| Bore x Stroke | 86.0 mm x 86.0 mm |
| Compression Ratio | 9.0:1 |
| Fuel System | Electronic Fuel Injection (EFI) |
| Valvetrain | SOHC (Single Overhead Camshaft) |
| Number of Valves | 8 (2 valves per cylinder) |
| Maximum Power | 100 hp @ 5,200 rpm |
| Maximum Torque | 17.5 kgm (171 Nm) @ 2,800 rpm |
| Fuel Type | Unleaded gasoline (RON 91 or higher) |
| Cooling System | Water-cooled |
| Lubrication System | Pressure feed, full-flow filtration |
| Ignition System | Electronic ignition system |
| Emissions Control | Catalytic converter equipped |
| Oil Capacity | 4.2 liters (with filter change) |
| Recommended Oil Grade | API grade SJ or higher |
| Recommended Fuel Grade | Regular unleaded gasoline (RON 91 or higher) |
Key Features:
- Reliability: The Toyota 1RZ is renowned for its robust construction and durable components, ensuring long-term reliability even under demanding conditions.
- Fuel Efficiency: With electronic fuel injection and efficient combustion design, the 1RZ delivers good fuel economy, making it cost-effective to operate.
- Low Maintenance: The engine’s simple design and reliable components contribute to minimal maintenance requirements, reducing downtime and operational costs.
- Compact Size: Its compact inline-four configuration makes it suitable for installation in small vehicles, optimizing space utilization without compromising performance.
- Emissions Compliance: Equipped with a catalytic converter and electronic ignition system, the 1RZ meets stringent emissions standards, minimizing environmental impact.
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