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Popular Diesel Engine Specs


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

 
CAT C4.4, C6.6
Main Bearing Bolts

Step 1 = 80 Nm, 59 lb.ft
Step 2 = + 90 degrees


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engine manuals and specs
 
CAT C4.4, C6.6
Connecting Rod Bolts

Step 1 = 18 Nm, 13 lb.ft
Step 2 = 70 Nm, 52 lb.ft
Step 3 = + 120 degrees

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engine manuals and specs
 
CAT C4.4, C6.6
Cylinder Head Bolts

Step 1 = 50 Nm, 37 lb.ft
Step 2 = 100 Nm, 74 lb.ft
Step 3 = +225 degrees

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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 Spec Sheets

 

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

 

CATERPILLAR C4.4 and C6.6 Diesel Engine Specs

 
CAT C4.4, C6.6
Displacement, bore and stroke

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
 
CAT 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
 
CAT 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
 


CAT 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
 
CAT C4.4, C6.6
Weight

C6.6 approx dry
1115 lb
506 kg


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engine manuals and specs
 
CAT C4.4, C6.6
Compression ratio

16.2:1




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engine manuals and specs
 


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