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CATERPILLAR C4.4 and C6.6 engine specifications and manuals - amp

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Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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CAT C4.4 and C6.6 engine specs, manuals and essential bolt torques - amp

 
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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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CAT C4.4 and C6.6 
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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CAT C4.4 and C6.6 
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

13 smaller peripheral bolts
45 Nm, 33 lb.ft

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CAT C4.4 and C6.6 
engine manuals and specs
 
CAT C6.6 cylinder head bolt torque sequence 
Different from most other engines

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

 
Caterpillar C6.6 Acert industrial engine spec sheet 
2 pages

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

 
CAT C4.4 C6.6 Service Training manual 
153 pages

CAT C6.6 disassembly and assembly manual 
512 pages

CAT Caterpillar C4.4 C6.6 operation and maintenance manual 
175 pages

CAT C4.4 C6.6 specifications manual 
120 pages

CAT C4.4 C6.6 troubleshooting manual 
457 pages

CAT C4.4 C6.6 testing and adjusting manual 
164 pages

CAT C4.4 Engine Specification Manual, 314 pages - Click to download

CAT C4.4 Operation And maintanance Manual, 124 pages - Click to download

>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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CAT C4.4 and C6.6 
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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CAT C4.4 and C6.6 
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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CAT C4.4 and C6.6 
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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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CAT C4.4 and C6.6 
engine manuals and specs
 
CAT C4.4, C6.6
Weight

C6.6 dry
approx
1115 lb
506 kg

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

16.2:1

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CAT C4.4 and C6.6 
engine manuals and specs
 

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