300Tdi Discovery
04
GENERAL SPECIFICATION DATA
18
INFORMATION
300 Tdi ENGINE
Type
Direct injection, turbocharged, intercooled
.................................................................................
Number of cylinders
4
.........................................................
Bore
90,47 mm
.................................................................................
Stroke
97,00 mm
...............................................................................
Capacity
2495 cc
...........................................................................
Compression ratio
19.5:1
±
0.5:1
............................................................
Valve operation
O.H.V. pushrod operated
................................................................
Crankshaft
Main bearing journal diameter
63,475 - 63,487 mm
..........................................
Regrind dimensions
63,2333 - 63,246 mm
.........................................................
Use 0.010 in U/S bearings
Crankpin journal diameter
58,725 - 58,744 mm
................................................
Regrind dimensions
58,4708 - 58,48985 mm
.........................................................
Use 0.010 in U/S bearings
Crankshaft end thrust
Taken on thrust washers at centre main bearing
.......................................................
Crankshaft end float
0,05 - 0,15 mm
.........................................................
Main bearings
Number and type
5 halved shells with oil grooves
..............................................................
Diametrical clearance
0,0792 - 0,0307 mm
.......................................................
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
.......................................................
Pistons
Type
Aluminium alloy, combustion chamber in crown.
.................................................................................
Graphite coating on sidewalls.
Skirt diametrical clearance
(at right angle to gudgeon pin)
0,025 - 0,05 mm
.........................................
Maximum height above combustion face
0,8 mm
.........................
Gudgeon pins
Type
Floating
.................................................................................
Fit in piston
Hand push fit
.......................................................................
Diameter
30,1564 - 30,1625 mm
..........................................................................
Clearance in connecting rod
0,0025 - 0,0163 mm
............................................