Toyota 3UR-FE (5.7 L, V8, VVTi) Engine Specs, Review, Service Data
Toyota 3UR-FE Engine Specs
The Toyota 3UR-FE is a 5.7 Liter, 345.6 cu·in (5,663 cc) V8, four-stroke cycle water-cooled naturally aspirated internal combustion gasoline engine from the UR-family, made by the Toyota Motor Corporation since 2006.
This engine delivered from 362 PS (266 kW; 357 HP) at 5,600 rpm to 383 PS (282 kW; 378 HP) at 5,600 rpm of maximum HP and from 530 N·m (54 kg·m, 391 ft·lb) at 3,200 rpm to 546 N·m (55.7 kg·m, 402 ft·lb) at 3,600 rpm of peak torque depending on the year and vehicle model.
The Toyota 3UR-FE engine is fitted with an L-type sequential fuel injection system, Direct Ignition System ignition system with individual coils on each spark plug, Electronic Spark Advance (ESA), Acoustic Control Induction System (ACIS), and ETCS-i (Electronic Throttle Control System-intelligent).
The Toyota 3UR-FE engine has eight cylinders in a V-arrangement at a bank angle of 90° The Toyota 3UR-FE features two aluminum heads with two chain-driven camshafts (DOHC), a die-cast aluminum cylinder block with a five-bearings crankshaft and four valves per cylinder (32 in total).
The Toyota 3UR-FE engine also used a Dual VVT-i (Variable Valve Timing) system for the intake and exhaust camshafts. It has a 94.0 mm (3.7 in) cylinder bore and 102.0 mm (4.02 in) piston stroke. The Toyota 3UR-FE engine compression ratio rating is 10.2:1.
The breakdown of the Toyota 3UR-FE engine code is as follows:
- 3 – 3rd generation engine
- UR – Engine family
- F – Economy narrow-angle DOHC
- E – Multi-Point Fuel Injection
Toyota 3UR-FE (5.7 L, V8, VVTi) Engine Specs
Engine Specifications
| Engine code | 3UR-FE |
| Layout | Four stroke, V8 |
| Fuel type | Gasoline (petrol) |
| Production | 2006- |
| Displacement | 5.7 L, 5,663 cm2 (345.6 cu in) |
| Fuel system | Sequential multi-point fuel injection (SFI) |
| Power adder | None |
| Power output | From 362 PS (266 kW; 357 HP) at 5,600 rpm to 383 PS (282 kW; 378 HP) at 5,600 rpm |
| Torque output | From 530 N·m (54 kg·m, 391 ft·lb) at 3,200 rpm to 546 N·m (55.7 kg·m, 402 ft·lb) at 3,600 rpm |
| Firing order | 1-8-7-3-6-5-4-2 |
| Dimensions (L x W x H): | – |
| Weight | 220 kg (485 lbs) |
Cylinder head
| Block head alloy | Aluminium | |
| Valve Arrangement: | DOHC, chain drive | |
| Cylinder head height: | – | |
| Valves: | 32 (4 valves per cylinder) | |
| Intake valve timing: | 248° | |
| Exhaust valve timing: | 242° | |
| Valve head diameter: | INTAKE | 38.0 mm (1.496 in) |
| EXHAUST | 34.5 mm (1.260 in) | |
| Valve length: | INTAKE | 105.85 mm (4.17 in) |
| EXHAUST | 110.40 mm (4.35 in) | |
| Valve stem diameter: | INTAKE | 5.470-5.485 mm (0.215-0.216 in) |
| EXHAUST | 5.465-5.480 mm (0.2152-0.2157 in) | |
| Valve spring free length: | INTAKE | 49.39 mm (1.9445 in) |
| EXHAUST | 49.39 mm (1.9445 in) | |
| Camshaft lobe height: | INTAKE | 44.291-44.441 mm (1.7437-1.7496 in) |
| EXHAUST | 44.196-44.346 mm (1.74-1.7459 in) | |
| Camshaft journal diameter: | №1 | 29.956-29.970 mm (1.1794-1.1799 in) |
| Other | 25.959-25.975 mm (1.022-1.0226 in) | |
Head tightening procedure and torque specs:
- Step 1: 36 Nm; 3.67 kg·m; 27 ft·lb
- Step 2: Turn all bolts 90°
- Step 3: Turn all bolts another 90°
- For 12 mm head: 21 Nm; 2.14 kg·m; 15 ft·lb
Cylinder block
| Cylinder block alloy | Aluminum | |
| Compression ratio: | 10.2:1 | |
| Cylinder bore: | 94.0 mm (3.7 in) | |
| Piston stroke: | 83.0 mm (3.27 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Number of main bearings: | 5 | |
| Cylinder inner diameter (standard): | 94.000-94.012 mm (3.700-3.701 in) | |
| Piston skirt diameter (standard): | 93.950-93.960 mm (3.6988-3.6992 in) | |
| Piston pin outer diameter: | 21.997-22.000 mm (0.866-0.8661 in) | |
| Connecting rod bushing inner diameter: | 22.000 mm (0.8661 in) | |
| Connecting rod big end diameter: | 59.000 mm (2.3228 in) | |
| Piston ring side clearance: | Top | 0.020-0.070 mm (0.0008-0.027 in) |
| Second | 0.020-0.060 mm (0.0008-0.0024 in) | |
| Oil | 0.070-0.145 mm (0.0028-0.0057 in) | |
| Piston ring end gap: | Top | 0.22-0.33 mm (0.0087-0.013 in) |
| Second | 0.35-0.50 mm (0.0138-0.0197 in) | |
| Oil | 0.10-0.40 mm (0.0039-0.0157 in) | |
| Crankshaft main journal diameter: | 66.988-67.000 mm (2.6373-2.6378 in) | |
| Crankpin diameter: | 55.982-56.000 mm (2.204-2.2047 in) | |
Main bearing cap bolts tightening procedure and torque specs:
- Step 1:
Inside: 61 Nm; 6.2 kg·m; 45 ft·lb
Outside: 27 Nm; 2.7 kg·m; 20 ft·lb - Step 2: Turn bolts 90°
- Cylinder block side 45 Nm; 4.6 kg·m; 33 ft·lb
After securing bearing cap bolts, make sure crankshaft turns smoothly by hand.
Connecting rod bearing bolts
- Step 1: 40 Nm; 4.0 kg·m; 30 ft·lb
- Step 2: Turn bolts 90°
Maintenance Data
| Compression pressure | |
| Standard | 13.3 kg/cm2, (189 psi) / 300 rpm |
| Minimun | 10.2 kg/cm2, (145 psi) / 300 rpm |
| Compression differential limit between cylinders | 1.0 kg/cm2, (15 psi) / 300 rpm |
| Oil system | |
| Oil consumption , L/1000 km | up to 1.0 |
| Recommended engine oil | SAE 0W-20, 5W-20, 5W-30, 10W-30 |
| Oil type API | SL, SM, SN |
| Engine oil capacity (Refill capacity) | With filter change: 7.5 l (7.9 US. qts, 6.6 Imp. qts) Without filter change: 7.1 l (7.5 US. qts, 6.2 Imp. qts). |
| Oil change interval, km (miles) | 10,000 (6,000) |
| Oil Pressure | Idle speed: 70 kPa (0.7 kgf/cm2, 10.1 psi) or more 2,500 rpm: 220 kPa (2.2 kgf/cm2, 32 psi) or more |
| Ignition system | |
| Spark plug | DENSO: SK20R11. |
| Spark plug gap | 1.0-1.1 mm (0.0394-0.0433 in.) |
| Spark plug tightening torque | 21 Nm (2.14 kg⋅m, 15 ft⋅lb) |
Vehicle Applications
| Model | Years Produced |
| Toyota Tundra | 2006- |
| Toyota Sequoia | 2007- |
| Toyota Land Cruiser 200 | 2007- |
| Lexus LX 570 | 2007- |
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Final Words
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