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Engine - Specifications, Mechanical: Other Volvo XC90 I

Mechanical 17 illustrations ~448 words

LUBRICANTS, ENGINE

EngineService interval (km/miles)Volume (liters)GradeViscosit yPart number
B8444S12.000/7.500Approx. 6.7ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6324S, Model year 200712.000/7.500Approx. 7.7ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6324S, Model year 200812.000/7.500Approx. 7.4ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6324S5, Model year 201112.000/7.500Approx. 6.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6304S12.000/7.500Approx. 6.6ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6294S12.000/7.500Approx. 6.6ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6294T12.000/7.500Approx. 6.6ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B6284T12.000/7.500Approx. 6.6ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5244S12.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5244S612.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5244T412.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5244T512.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5254T212.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5254T312.000/7.500Approx. 5.8ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756
B5254T412.000/7.500Approx. 5.5ILSAC GF-4 API SL / ACEA A1/B1SAE 5W-301161754, -755, -756

LUBRICANTS, ENGINE

Oil grade ACEA A1/B1 can be replaced with WSS-M2C913-B or with ACEA A5/B5 , not vice versa.

Note. As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.

Scheme 485

Scheme 485: ENGINE MANUFACTURE NUMBER, ENGINE SERIAL NUMBER AND TYPE
Scheme 485: ENGINE MANUFACTURE NUMBER, ENGINE SERIAL NUMBER AND TYPE

The engine serial number and type are stamped on the left side of the cylinder block at the top of the mounting for the water pump.

There is also a decal on the timing casing with the engine type, manufacturing number, and serial number.

Scheme 486

Scheme 486: CLASSIFICATION OF MAIN BEARINGS
Scheme 486: CLASSIFICATION OF MAIN BEARINGS

The marking is stamped on the cylinder block and crankshaft.

Scheme 487

Scheme 487
Scheme 487
  1. Classification cylinder block
  2. Classification crankshaft
  3. Cylinder block
  4. Intermediate section

VALVE SPRINGS

Length........45.1 + 1.5/-0.5 mm
Type........ Conical

VALVE SPRINGS

Scheme 488

Scheme 488: VALVE GUIDES
Scheme 488: VALVE GUIDES
Inlet/Exhaust........0.03-0.06 mm

CLEARANCE BETWEEN NEW COMPONENTS

Inlet/Exhaust........0.15 mm

MAXIMUM PLAY FOR USED COMPONENTS

CAMSHAFTS

Inlet camshaftPart numberMaximum lift height (mm)Exhaust camshaftPart numberMaximum lift height (mm)
B5204Tx excluding T492079438.40B5204Tx92079449.05
B5204T492079418.15
B5234Tx92079438.40B5234Tx92079449.05
B5244Tx excluding T2, T392079428.40B5244Tx excluding T392079449.05
B5244T294972318.40B5244T394978229.05
B5244T394978238.45B5254Tx92079449.05
B5254Tx92079428.40

Scheme 489

Scheme 489: CYLINDER HEAD
Scheme 489: CYLINDER HEAD
Front-rear........0.50 mm
Lateral........0.20 mm
Cylinder head height........129.00± 0.05 mm
Maximum machining........0.30 mm

MAXIMUM OUT-OF-TRUE

CAUTIONScratches and corrosion to the cylinder head gasket face should only be machined on a flat cylinder head.

Scheme 490

Scheme 490: CRANK MECHANISM
Scheme 490: CRANK MECHANISM
Main bearing journal radial runout........ maximum 0.040 mm
Axial play (Measured in the engine with the intermediate section tightened)........0.08-0.19 mm
Main bearing journal radial runout........0.020-0.043 mm

CRANKSHAFT

Scheme 491

Scheme 491
Scheme 491
Diameter, standard 1 ........50.000 +0/-0.016
Bearing recess width........26.0 ± 0.1 mm
Maximum out-of-round........0.004 mm
Maximum taper........0.004 mm
1 The variation in diameter for each bearing journal must not exceed 0.008 mm.

BIG END JOURNALS

Diameter, standard 1 ........65.000 +0.003/-0.016 mm
Axial bearing width........26.00 +0/-0.04mm
Maximum out-of-round........0.004 mm
Maximum taper........0.004 mm
1 The variation in diameter for each bearing journal must not exceed 0.008 mm.

MAIN BEARING JOURNALS

Scheme 492

Scheme 492
Scheme 492
DesignationB52x4Tx excluding B5244T3B5244T3
Big end (mm)53.000 -0/+0.01353.000 -0/+0.013
Small end (mm)21.000 +0.011/+0.00523.000 +0.011/+0.005
Max. ovality in the bearing recesses0.0060.006
Length big end-small end (mm)147139.5

DIAMETER, BEARING RECESSES

ENGINE OIL

Oil volume including filter........6.6 litres

FILLING WITH OIL AFTER RECONDITIONING.

According to API Service........ lowest SH or SJ.
According to ACEA........ Grade A2, A2/B2, A3 or A3/B3.

OIL GRADE

13.3 r/s (800 rpm)........0.10 Mpa 1
14.2 r/s (850 rpm)........0.10 Mpa 1
66.7 r/s (4000 rpm)........0.35 Mpa 1
Maximum oil pressure (the relief valve opens)........0.48 Mpa
1 The oil pressure given is for an oil temperature of 100 °C, which is reached after 10-15 minutes driving.

OIL PRESSURE (MIN.)

FUEL LINE PRESSURE

Desired value
Relative pressure380 kPa
Absolute pressure480 kPa

COOLING SYSTEM

Marking........90
Starts to open at........90°C
Fully open at........105°C

THERMOSTAT

CLASSIFICATION OF MAIN BEARINGS

The marking is stamped on the cylinder block and crankshaft.

Cylinder block classification / Crankshaft classificationA small diameterB medium diameterC large diameter
BlockIntermediate sectionBlockIntermediate sectionBlockIntermediate section
A small diameterYellow mediumYellow mediumYellow mediumBlue thickBlue thickBlue thick
B medium diameterRed thinYellow mediumYellow mediumYellow mediumYellow mediumBlue thick
C large diameterRed thinRed thinRed thinYellow mediumYellow mediumYellow medium

GENERAL DATA

B6284TB6294S
Output (kW) at rpm200/5400147/6000
Maximum torque (Nm) at rpm280/4200380/2100-4980
Maximum engine speed (rpm)62006500
Idling speed650650
No. of cylinders66
Bore mm81.083.0
Stroke mm90.090.0
Cylinder displacement cm 327832922
Firing order1-5-3-6-2-41-5-3-6-2-4
Compression ratio8.5:110.3:1
Total weight, (including oil)........ kgApproximately 190Approximately 180

Scheme 493

Scheme 493: CYLINDER BLOCK
Scheme 493: CYLINDER BLOCK
StandardB6284TB6294S
C-marked 181.00-81.0183.00-83.01
D-marked 181.01-81.0283.01-83.02
E-marked 181.02-81.0383.02-83.03

BORE (D) IN MM

1 The bore classification is stamped on top of the engine block.

Example: 1CCDDEE Is read as follows: Cylinder 1=C; Cylinder 2=C; Cylinder 3=D; Cylinder 4=D; Cylinder 5 =E; Cylinder 6=E.

Scheme 494

Scheme 494: PISTONS
Scheme 494: PISTONS
StandardB6284T The diameter is measured 42 mm from the top of the pistonB6294S The diameter is measured 12 mm from the bottom of the piston
C-marked 180.98-80.9982.98-82.99
D-marked 180.99-81.0082.99-83.00
E-marked 181.00-81.0183.00-83.01

PISTON DIAMETER (D)

1 The classification is marked on the top of the piston.

Measured cylinder diameter........81.015 mm
Measured piston diameter........80.995 mm
The piston running clearance is........0.020 mm
The piston running clearance must be 0.010-0.030 mm.

PISTON RUNNING CLEARANCE (EXAMPLE)

Piston rings

Upper compression ring........0.030-0.070 mm
Lower compression ring........0.030-0.070 mm
Oil control ring assembly........0.038-0.142 mm

AXIAL CLEARANCE

Upper........1.200 -0.010/-0.030mm
Lower........1.500 -0.010/-0.030mm

COMPRESSION RING DIMENSION

Spring........1.510 ± 0.020 mm
Rail........0.460 ± 0.011 mm

DIMENSION, THREE PIECE OIL RING

B6284T
Diameter........23.000 +0/-0.004 mm
Length........61.000 +0/-0.200 mm
B6294S
Diameter........21.000 +0/-0.004 mm
Length........57.000 +0/-0.200 mm

PISTON PIN

VALVES

B6284T
Inlet........31.00 ± 0.15 mm
Exhaust........27.00± 0.15 mm
B6294S
Inlet........32.00 ± 0.15 mm
Exhaust........27.00± 0.15 mm

VALVE CROWN DIAMETER (A)

B6284T
Inlet (early versions)........6.970 +0/-0.015 mm
Inlet (late versions)........5.970 +0/-0.015 mm
B6294S
Inlet (early versions)........6, 963± 0.007 mm
Inlet (late versions)........5.970 +0/-0.015 mm

VALVE STEM DIAMETER (B)

B6284T
Exhaust (early versions)
H1 = 22.7 mm........ B1 = 6.962 ± 0.007 mm
H2 = 65.1 mm........ B2 = 6.954 ± 0.007 mm
Exhaust (late versions)
H1 = 22.7 mm........ B1 = 5.962 ± 0.007 mm
H2 = 65.1 mm........ B2 = 5.954 ± 0.007 mm
B6294S
Exhaust (early versions, alternative 1)
H1 = 17.4 mm........ B1 = 6.963 ± 0.007 mm
H2 = 70.4 mm........ B2 = 6.953 ± 0.007 mm
Exhaust (early versions, alternative 2)
H1 = 22.7 mm........ B1 = 6.962 ± 0.007 mm
H2 = 65.1 mm........ B2 = 6.954 ± 0.007 mm
Exhaust (late versions)
H1 = 22.7 mm........ B1 = 5.962 ± 0.007 mm
H2 = 65.1 mm........ B2 = 5.954 ± 0.007 mm

VALVE STEM DIAMETER (B1/B2)

Inlet........102.00 ± 0.07 mm
Exhaust........101.05 ± 0.07 mm

TOTAL VALVE LENGTH (C)

Inlet and exhaust........1.50 mm
Minimum height after grinding........1.20 mm

DISC EDGE HEIGHT (D)

Inlet and exhaust........44.5°

MATING SURFACE ANGLE (E)

Valve stem height........48.4± 0.5 mm
Maximum machining of the valve stem........0.5 mm

VALVE STEM VERTICAL POSITION

VALVE SEATS

Upper reduction angle (A)
Inlet........20°
Exhaust........15°
Matching surface angle (B)
Inlet and exhaust........45°
Lower reduction angle (C)
Inlet and exhaust........60°
Valve seat, width (a)
Inlet........1.4-1.8 mm
Exhaust........1.8-2.2 mm

TAPPETS

Tappets, dimensions
External diameter (A)........32.000 +0.025/-0.041 mm.
External height (B)........26.0± 0.5 mm.
Solid valve lifter shaft length (C)
15.96 mm at 0.02 mm intervals up to 16.16 mm. The dimensions are listed on the inside of each valve lifter.
Length........45.1 +1.5/-0.5 mm
Type........ Conical

VALVE SPRINGS, DIMENSIONS

VALVE GUIDES

Inlet and exhaust........0.03-0.06 mm

CLEARANCE BETWEEN NEW COMPONENTS

Inlet and exhaust........0.15 mm

MAXIMUM PLAY FOR USED COMPONENTS

Engine typeCamshaft
Marking/ P/NMaximum lift height
IntakeExhaustIntakeExhaust
B6284T947168694716858.409.05
B6294S947168794651319.208.80

CYLINDER HEAD

Front-rear........0.50 mm
Lateral........0.20 mm
Cylinder head height, new cylinder head........129.0± 0.05
Maximum machining........0.30 mm

MAXIMUM OUT-OF-TRUE

CAUTIONScratches and corrosion on the cylinder head gasket face against the cylinder block must only be machined on a flat cylinder head.

CRANK MECHANISM

Main bearing journal radial runout........ maximum 0.040 mm
Axial play (Measured in the engine with the intermediate section tightened)........0.08-0.19 mm
Main bearing journal radial runout........0.020-0.043 mm

CRANKSHAFT

Diameter 1 ........50.000 +0/-0.016 mm
Bearing recess width........26.0 ± 0.1 mm
Maximum out-of-round........0.004 mm
Maximum taper........0.004 mm
1 The variation in diameter for each bearing journal must not exceed 0.008 mm.

BIG END JOURNALS

Diameter 1 ........65.000 +0.003/-0.016 mm
Axial bearing width dimension........26.00 +0/-0.04 mm
Maximum out-of-round........0.004 mm
Maximum taper........0.004 mm
1 The variation in diameter for each bearing journal must not exceed 0.008 mm.

MAIN BEARING JOURNALS

CONNECTING RODS

DesignationB6284TB6294S
Big end53.000 -0/+0.013 mm53.000 -0/+0.013 mm
Small end23.000 +0.011/+0.005 mm21.000 +0.011/+0.005 mm
Maximum ovality in the bearing recesses0.006 mm0.006 mm
Length big end-small end139.5 mm147 mm

DIAMETER, BEARING RECESSES

Desired value
Relative pressure380 kPa
Absolute pressure480 kPa
Marking........90
Starts to open at........90°C
Fully open at........105°C

THERMOSTAT

B6324SB6304T2
Engine code9899
Power (kw / rpm)175 / 6200210 / 5400
Max torque (Nm / rpm)320 / 3200400 / 1500-4800
Max rpm6500 stationary / 6750 transient6500 stationary / 6750 transient
Idling (rpm)650650
Cylinder bore (mm)84, 0082, 00
Stroke (mm)96, 0093, 20
Swept volume (litres)3, 1922, 953
Firing sequence1-5-3-6-2-41-5-3-6-2-4
Compression ratio10, 89, 3
Weight, including oil (kg)186, 5190, 9

Scheme 495

Scheme 495: PISTONS
Scheme 495: PISTONS
Piston dimensions (diameter) nominal per class
C-marked 1 ........ mm83, 967 +/-0, 00781, 955 +/-0, 005
D-marked 1 ........ mm83, 977 +/-0, 00781, 965 +/-0, 005
E-marked 1 ........ mm83, 987 +/-0, 00781, 975 +/-0, 005
TDC 0.4-marked 1 ........ mm84, 367 +/-0, 00782, 355 +/-0, 005
1 Classification is marked on the top of the piston.

PISTON RUNNING CLEARANCE

Tolerance piston/cylinder - top........ mm0, 026 - 0, 0500, 04-0, 06

PISTON RINGS

Top ring........ mmHeight: 1, 20 - 0, 01/-0, 03 Axial clearance: 0, 03 - 0, 07Height: 1, 20 - 0, 01/-0, 03 Axial clearance: 0, 03 - 0, 07
2nd ring........ mmHeight: 1.50 - 0.01/-0.03 Axial clearance: 0.03 - 0.07Height: 1.50 - 0.01/-0.03 Axial clearance: 0.03 - 0.07
Oil ring........ mmHeight: 2.00 - 0.01/-0.136 Axial clearance: 0.02-0.166Height: 2.00 - 0.01/-0.136 Axial clearance: 0.02-0.166

PISTON PIN

Diameter/tolerance........ mm21, 000 0, 000/-0, 00421, 000 0, 000/-0, 004

Scheme 496

Scheme 496: VALVES
Scheme 496: VALVES
Intake
Length (A)........ mm106, 19 +/-0, 07128, 42 +/-0, 27
Diameter on crown (B)........ mm33, 00 +/-0, 1531, 00 +/-0, 15
Diameter on shaft (C)........ mm5, 970 0/-0, 0155, 970 0/-0, 015
Valve seat angle (D)........°44, 544, 5
Valve angle........°18, 7518, 75
Clearance in guide........μm30 - 6030 - 60
Valve clearance........ mm0, 20 +/-0, 05
Exhaust
Length (A)........ mm129, 96 +/-0, 27129, 96 +/-0, 27
Diameter on crown (B)........ mm28 +/-0, 1527 +/-0, 15
Diameter on shaft (C)........ mm5, 962 - 5, 952 +/-0, 0075, 962 - 5, 952 +/-0, 007
Valve seat angle (D)........°44, 544, 5
Valve angle (D)........°18, 7518, 75
Clearance in guide........μm31 - 7031 - 70
Valve clearance........ mm0, 45 +/-0, 050, 45 +/-0, 05
Seat angle........°45, 00 +/-0, 0145, 00 +/-0, 01
Diameter........ mm32, 000 -0, 025/-0, 04132, 000 -0, 025/-0, 041
Thickness........ mm2, 950 - 3, 685 +/-0, 0102, 950 - 3, 685 +/-0, 010
Height unloaded........ mm45, 4 +1, 5/-0, 545, 4 +1, 5/-0, 5
Inlet
Lift height high lift........ mm108, 45
Lift height low lift........ mm3, 68, 45
Exhaust
Lift height........ mm109, 45
Max. distortion........ mm0, 50, 5
Max. distortion, transverse........ mm0, 30, 3
Height........ mm149, 40 +/-0, 15149, 40 +/-0, 15
Max. machining 1 ........ mm0, 30, 3
1 Note. Always remove 0.3 mm when facing and then use a rebuild gasket, which is 0.3 mm thicker.
Marking crank/blockThe crankshaft is marked on the shank that the ring gear is on. Read from rear edge.
ClassificationTable Main bearing journal classes below

CRANKSHAFT

Max. radial run-out main bearing pin (relative main bearing 1 & 7)........ mm0, 080, 08
Main bearing axial clearance........ mm0, 08 - 0, 270, 08 - 0, 27

BIG END JOURNALS

Diameter standard........ mm50, 000 +0, 000/-0, 01950, 000 +0, 000/-0, 019
Bearing recess width........ mm26, 0 +/-0, 126, 0 +/-0, 1
Maximum out-of-round........ mm0, 0040, 004
Max. parallelity (against main bearing center shaft)........ mm0, 0150, 015
Max. straightness deviation........ mm0, 0040, 004
Max. diameter variation........ mm0, 010, 01

MAIN BEARING JOURNALS

Diameter, standard........ mm65, 000 +0, 004/-0, 01565, 000 +0, 004/-0, 015
Bearing position width dimension........ mm26, 00 +/-0, 1526, 00 +/-0, 15
Max. out-of-round........ mm0, 0030, 003
Max. straightness deviation........ mm0, 0030, 003
Max. diameter variation........ mm0, 0060, 006
Diameter bearing position big-end........ mm53, 000 0, 000/- 0, 01353, 000 0, 000/- 0, 013
Diameter bearing position small-end........ mm21, 000 +0, 005/+0, 01121, 000 +0, 005/+0, 011
Maximum ovality in the bearing recesses........ mm0, 0060, 006
Length big-end - small end........ mm147, 5147, 5

OIL PUMP

B6324SB6304T2
Flank clearance oil pump........μm87 +/-2287 +/-22

OIL PRESSURE

13.3 r/s (800 rpm)........ MpaMin. 0.10Min. 0.10
66.7 r/s (4000 rpm)........ MpaMin. 0.35Min. 0.35
Maximum oil pressure (the relief valve opens)........ Mpa0, 450, 45

THERMOSTAT

Starts to open at........° C9090
Fully open at........° C105105

Scheme 497

Scheme 497: MAIN BEARING CLASSES
Scheme 497: MAIN BEARING CLASSES

Scheme 498

Scheme 498
Scheme 498
  1. Classification cylinder block
  2. Classification crankshaft
  3. Cylinder block
  4. Intermediate section
  5. Main bearing
  6. Throw-out bearing
  7. Thickness

MARKING

  1. P/N
  2. Cylinder class
  3. Bearing class
  4. Engine serial number
  5. Engine type
B6324S4B6324S5
Engine code9495
Power (kw / rpm)170 / 6200179 / 5400
Max torque (Nm / rpm)300 / 3200320 / 1500-4800
Max rpm6500 stationary / 6750 transient6500 stationary / 6750 transient
Idling (rpm)590590
Stroke (mm)96.0093.2
Swept volume (litres)3.1923.192
Firing sequence1-5-3-6-2-41-5-3-6-2-4
Compression ratio10.310.8
Weight, including oil (kg)181.5182.5

CYLINDER

Cylinder dimensions (diameter) nominal per classB6324S4/B6324S5
C-marked 1 ........ mm82.00 +0.01/ +0.00
D-marked 1 ........ mm82.00 +0.02/+0.01
E-marked 1 ........ mm82.00 +0.03/+0.02

Scheme 499

Scheme 499: COOLING DUCT, ENGINE BLOCK
Scheme 499: COOLING DUCT, ENGINE BLOCK
Length........ mm0.85-1.15

PISTONS

Piston dimensions (diameter) nominal per class
C-marked 1 ........ mm81.95
D-marked 1 ........ mm81.96
E-marked 1 ........ mm81.97
TDC 0.4-marked 1 ........ mm82.35
1 Classification is marked on the top of the piston.
Tolerance piston/cylinder - top........ mm0.04-0.06
Top ring........ mmHeight: 1.20 - 0.01/-0.03 Axial clearance: 0.03 - 0.07
2nd ring........ mmHeight: 1.50 - 0.01/-0.03 Axial clearance: 0.03 - 0.07
Oil ring........ mmHeight: 2.00 - 0.01/-0.136 Axial clearance: 0.02-0.166
Diameter/tolerance........ mm21.00
Intake
Length (A)........ mm128.42 +/-0.27
Diameter on crown (B)........ mm31.00 +/-0.15
Diameter on shaft (C)........ mm5.97
Valve seat angle (D)........°44.5
Valve angle........°18.75
Clearance in guide........μm30 - 60
Valve clearance........ mm0.20 +/-0.05
Exhaust
Length (A)........ mm129.96 +/-0.27
Diameter on crown (B)........ mm27 +/-0.15
Diameter on shaft (C)........ mm5.96 - 5.95
Valve seat angle (D)........°44.5
Valve angle (D)........°18.75
Clearance in guide........μm31 - 70
Valve clearance........ mm0.45 +/-0.05
Seat angle........°45.00 +/-0.01
Diameter........ mm32.00 -0.02/-0.04
Thickness........ mm2.95 - 3.68 +/-0.01
Height unloaded........ mm45.4 +1.5/-0.5
Inlet
Lift height high lift........ mm8.45
Lift height low lift........ mm8.45
Exhaust
Lift height........ mm9.45
Max. distortion........ mm0.5
Max. distortion, transverse........ mm0.3
Height........ mm149.40 +/-0.15
Marking crank/blockThe crankshaft is marked on the shank that the ring gear is on. Read from rear edge.
ClassificationTable Main bearing journal classes below
Max. radial run-out main bearing pin (relative main bearing 1 & 7)........ mm0.08
Main bearing axial clearance........ mm0.08 - 0.27
Diameter standard........ mm50.00
Bearing recess width........ mm26.0 +/-0.1
Max. parallelity (against main bearing center shaft)........ mm0.015
Max. diameter variation........ mm0.01
Diameter standard........ mm65.00
Bearing recess width........ mm26.00 +/-0.15
Diameter bearing position big-end........ mm53.00
Diameter bearing position small-end........ mm21.00
Maximum ovality in the bearing recesses........ mm0.006
Length big-end - small end........ mm147.5
Flank clearance Oil pump........μm87 +/-22
13.3 r/s (800 rpm)........ MpaMin. 0.10
66.7 r/s (4000 rpm)........ MpaMin. 0.35
Maximum oil pressure (the relief valve opens)........ Mpa0.45
Starts to open at........°C90
Fully open at........°C105

MAIN BEARING CLASSES

  1. Classification cylinder block
  2. Classification crankshaft
  3. Cylinder block
  4. Intermediate section
  5. Main bearing
  6. Throw-out bearing
  7. Thickness

ENGINE DATA

Designation
CodeB8444S
Firing sequence1-8-4-3-6-5-7-2
Cylinder diameter94 mm
Stroke length79.5 mm
Stroke volume4 414 cm3
Compression ratio10, 4:1
Engine output at 5 850 rpm232 kW (315 hp)
Torque at 3 900 rpm440 Nm
Idling speed675 rpm

CYLINDER BLOCK

DesignationMm
Cylinder diameter94
Crankshaft bearing position, diameter65
DesignationMm
Piston diameter94
Piston ring gap
Upper compression ring1, 2
Lower compression ring1, 2
Oil scraper ring2, 5
DesignationMm
Crankshaft pivot, diameter65

WRIST PIN

DesignationMm
Wrist pin, length63
Wrist pin, diameter22
DesignationKPa
Relative pressure380 +/- 30
Residual pressure380 +/- 30
Designation
CodeB8444S
Firing sequence1-8-4-3-6-5-7-2
Cylinder diameter94 mm
Cylinder stroke79.5 mm
Stroke volume4 414 cm3
Compression ratio10, 4:1
Engine output at 5 850 rpm232 kW (315 hp)
Torque at 3 900 rpm440 Nm
Idling speed675 rpm
MarkingDiameter (mm)
194.000 - 94.010
294.010 - 94.020
394.020 - 94.030

CYLINDER DIAMETER

MarkingDiameter (mm)
170.000 - 70.006
270.006 - 70.012
370.012 - 70.019

MAIN BEARING POSITION

DesignationMm
Max. out-of-true, front-rear0, 2
Max. out-of-true, transverse0, 2
Height118, 65
MarkingDimension (mm)
394.000 - 94.010
293.990 - 94.000
193.980 - 93.990

PISTON DIAMETER

DesignationMm
Piston ring gap
Upper compression ring1, 2
Lower compression ring1, 2
Oil scraper ring2, 5
MarkingDimension (mm)
064.994 - 65.000
164.988 - 64.994
264.982 - 64.988
364.976 - 64.982

CRANKSHAFT PIVOT, DIAMETER

Scheme 500

Scheme 500
Scheme 500
  1. Classification cylinder block
  2. Classification crankshaft
  3. Cylinder block
  4. Intermediate section

CONNECTING ROD

MarkingDimension (mm)
150.992 - 51.000
250.984 - 50.992
350.976 - 50.984

BIG END PIN, DIAMETER

Scheme 501

Scheme 501
Scheme 501
  1. Marking Dimension Connecting rod
  2. Marking Dimension Crankshaft
DesignationMm
Wrist pin, length63
Wrist pin, diameter22
Intake
DesignationMm
Length (A)95, 2
Diameter on crown (B)30.0
Diameter on shaft (C)5.5
Valve seat angle (D)44.5
Valve angle (D).19
Exhaust
DesignationMm
Length (A)94.9
Diameter on crown (B)30.0
Diameter on shaft (C)5.5
Valve seat angle (D)44.5
Valve angle (D).19
DesignationMm
Diameter31
DesignationKPa
Relative pressure380 +/- 30
Residual pressure220 +/- 30

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