Description
The Toyota 4Y is a 2.2-liter, 4-cylinder gasoline engine from Toyota’s Y-series. It is a simple, durable OHV, 8-valve engine that was widely used in Toyota commercial vehicles, vans, pickups and industrial equipment. The engine has a displacement of 2,237 cc, with a 91.0 mm bore and 86.0 mm stroke.
| Specification | 4Y | 3Y |
|---|---|---|
| Displacement | 2,237 cc | ~1,998 cc |
| Cylinders | 4 | 4 |
| Valves | 8 | 8 |
| Valve system | OHV | OHV |
| Bore | 91 mm | ~86 mm |
| Stroke | 86 mm | ~86 mm |
| Fuel | Gasoline | Gasoline |
| Timing | Chain | Chain |
| Main advantage | More displacement/torque | Smaller/lighter |
| Feature | 4Y | 4Y-E |
|---|---|---|
| Displacement | 2,237 cc | 2,237 cc |
| Cylinders | 4 | 4 |
| Valves | 8 | 8 |
| Valve train | OHV | OHV |
| Fuel system | Carburetor/mechanical | EFI |
| ECU | Generally no modern EFI ECU | Yes |
| Fuel pump | Mechanical/application-dependent | Electric |
| Timing | Chain | Chain |
| Firing order | 1-3-4-2 | 1-3-4-2 |
Toyota 4Y 2.2L Ex-Japan
Engine code: 4Y
Family: Y Series
Fuel: Petrol/Gasoline
Displacement: 2,237 cc
Nominal displacement: 2.2 L
Cylinders: 4
Configuration: Inline
Valves: 8
Valve train: OHV
Camshaft: Cam-in-block
Bore: 91.0 mm
Stroke: 86.0 mm
Compression ratio: 8.8:1 on documented 4Y-E vehicle version
Aspiration: Naturally aspirated
Fuel system: Carburetor or EFI depending on version
EFI version: 4Y-E
Timing: Chain
Firing order: 1-3-4-2
Cooling: Water cooled
Power: Approximately 101 hp @ 4,400 rpm for documented 4Y-E automotive version
Torque: Approximately 179 Nm @ 3,000 rpm
Compression: ~178 psi standard on documented 4Y-E
Engine weight: ~134 kg on documented configuration
Dimensions: ~709 × 525 × 733 mm, configuration-dependent
Oil capacity: ~3.0 L with filter on documented vehicle application
Alternator: 12 V / 70 A on documented vehicle version
Starter: 12 V / 1.4 kW
Typical vehicles: HiAce, Hilux, Van/TownAce-related vehicles, 4Runner and other utility applications
Industrial applications: Toyota forklifts and other equipment
The Toyota 4Y 2.2L ex-Japan is a 2,237 cc naturally aspirated inline-four gasoline engine with an OHV 8-valve cylinder head, 91 × 86 mm bore/stroke and chain-driven camshaft. The documented automotive 4Y-E produces about 101 hp and 179 Nm, while other 4Y versions have different outputs.
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