300Tdi Defender
GENERAL SPECIFICATION DATA
1
INFORMATION
300Tdi ENGINE
Type
Direct injection, turbocharged, intercooled
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Number of cylinders
4
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Bore
90,47 mm
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Stroke
97,00 mm
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Capacity
2495 cc
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Compression ratio
19.5:1
±
0.5:1
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Valve operation
O.H.V. pushrod operated
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Crankshaft
Main bearing journal diameter
63,475 - 63,487 mm
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Regrind dimensions
63,233 - 63,246 mm
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Crankpin journal diameter
58,725 - 58,744 mm
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Regrind dimensions
58,471 - 58,490 mm
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Crankshaft end thrust
Taken on thrust washers at centre main bearing
.......................................................
Crankshaft end float
0,05 - 0,15 mm
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Main bearings
Number and type
5 halved shells with oil grooves
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Diametrical clearance
0,0792 - 0,0307 mm
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Connecting rods
Length between centres
175,38 - 175,43 mm
...................................................
Diametrical clearance (big-end bearings)
0,025 - 0,075 mm
........................
End float on crankpin
0,15 - 0,356 mm
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Pistons
Type
Aluminium alloy, combustion chamber in crown.
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Graphite coating on sidewalls.
Skirt diametrical clearance (at r/angle to gudgeon pin)
0,025 - 0,05 mm
....
Maximum height above combustion face
0,8 mm
.........................
Gudgeon pins
Type
Fuly floating
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Fit in piston
Hand push fit
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Diameter
30,156 - 30,163 mm
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Clearance in connecting rod
0,003 - 0,016 mm
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Piston rings
Type:
- Top
Barrel edge, chrome plated
........................................................................
- Second
Taper faced
..................................................................
- Oil control
Expander and rails
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Gap in bore:
- Top
0,40 - 0,60 mm
........................................................................
- Second
0,30 - 0,50 mm
..................................................................
- Oil control
0,30 - 0,60 mm
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Clearance in piston grooves:
- Second
0,050 - 0,085 mm
..................................................................
- Oil control
0,050 - 0,085 mm
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