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520
9-1. Specifications
TUNDRA_U_17MY_OM34594U
Engine
Model 1UR-FE, 3UR-FE, 3UR-FBE
Type 8-cylinder V-type, 4-cycle, gasoline
Bore and stroke
1UR-FE engine
3.70 3.27 in. (94.0 83.0 mm)
3UR-FE and 3UR-FBE engines
3.70 4.02 in. (94.0 102.0 mm)
Displacement
1UR-FE engine
281.2 cu.in. (4608 cm
3
)
3UR-FE and 3UR-FBE engines
345.6 cu.in. (5663 cm
3
)
Drive belt tension Automatic adjustment
Valve clearance
(engine cold)
Automatic adjustment
Fuel
Engine
Model
1UR-FE and 3UR-FE
engines
3UR-FBE engine
Type Gasoline engine Flex-fuel engine
Fuel type Unleaded gasoline only
Unleaded gasoline,
E85, or a blend of the
two fuels
Octane rating
(Unleaded gasoline)
87 (Research Octane Number 91) or higher
Ethanol percentage
(E85)
— 85% or less
Fuel tank capacity
(Reference)
Standard fuel tank:
26.4 gal. (100.0 L, 22.0 Imp.gal.)
Large fuel tank:
38.0 gal. (144.0 L, 31.7 Imp.gal.)
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