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Popular Diesel Engine Specs

CATERPILLAR C4.4, C6.6 Essential Diesel Engine Bolt Tightening Torques

 
CATERPILLAR C4.4, C6.6
Main Bearing Bolts
Step 1 = 80 Nm, 59 lb.ft
Step 2 = + 90°

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Connecting Rod Bolts
Step 1 = 18 Nm, 13 lb.ft
Step 2 = 70 Nm, 52 lb.ft
Step 3 = + 120°

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Cylinder head Bolts
Step 1 = 50 Nm, 37 lb.ft
Step 2 = 100 Nm, 74 lb.ft
Step 3 = +225°

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engine manuals and specs
 
CAT C6.6 cylinder head bolt torque sequence
CAT C6.6 cylinder head bolt torque sequence 
Different from most other engines

CATERPILLAR C4.4 and C6.6 Diesel Engine Specs

 
CATERPILLAR C4.4, C6.6
Displacement
C4.4 approx 4.4 liter, 269 CID
C6.6 approx 6.6 liter, 403 CID

Bore = 4.13 in, 105 mm	 
Stroke = 5.0 in, 127 mm

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Arrangement
C4.4 - 4 Cyl In-Line, turbo, aftercooled 
C6.6 - 6 Cyl In-Line, turbo, aftercooled 

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Power
C4.4
59-136 kW, 79-183 hp
@2200-2500 rpm
C6.6
89-205 kW, 119-275 hp
@2200-2500 rpm

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engine manuals and specs
 


CATERPILLAR C4.4, C6.6
Dimensions:
C6.6 approx
Length 929 mm, 37 in
Width 668 mm, 27 in
Height 797 mm 32 in

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Weight:
C6.6 approx dry
1115 lb
506 kg

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engine manuals and specs
 
CATERPILLAR C4.4, C6.6
Compression ratio:
16.2:1

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CATERPILLAR C4.4 and C6.6 Diesel Engine Spec Sheets

 

CATERPILLAR C4.4 and C6.6 Diesel Engine workshop repair Manuals

 


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