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essential bolt tightening torques, 

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e.g. its power and torque. 

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 C11 engine specs, manuals and essential bolt torques - amp

 
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CATERPILLAR C11 Essential Diesel Engine Bolt Tightening Torques

 

Caution: Bolt Torques and other data, may vary from serial number to serial number, please check the manuals.

CAT C11
Main Bearing Bolts

S/N - JAM1-UP
S/N - KCA1359-UP
S/N - KCB6818-UP
step 1 = 150 +- 7 Nm, 
110 +- 5 lb.ft
step 2 = + 60 degrees

S/N - KCA1-1358
S/N - KCB1-6817
step 1 = 50 +- 5 Nm, 
110 +- 4 lb.ft
step 2 = + 60 degrees

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CAT C11
Connecting Rod Bolts

step 1 = 130 +- 7 Nm, 95 +- 5 lb.ft
step 2 = + 60 degrees

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CAT C11
Main Cylinder Head Bolts

(bolts 1 through bolt 26 in a 
numerical sequence)
step 1 = 170 Nm, 125 lb.ft
step 2 = repeat step 1
step 3 = + 120 degrees
step 4 = loosen all
step 5 = 170 +- 10 Nm, 
125 +- 7 lb.ft
step 6 = repeat step 5
step 7 = + 120 degrees 
+- 5 degrees

Minor Cylinder Head Bolts
(bolts 27 through bolt 34 
in a numerical sequence)
step 8 = 55 Nm, 41 lb.ft

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CATERPILLAR C11 Diesel Engine Spec Sheets

 
CAT C11 
On-Highway spec sheet 
4 pages

CAT C6.6 thru C13 
Industrial engine spec sheet collection 
34 pages

CATERPILLAR C11 and C13 Diesel Engine workshop repair Manuals

 
Caterpillar C11 and C13 - Operation and Maintenance, 98 pages, click to download

Caterpillar C11, C13 and C15, Operation and Maintenance, 257 pages, click to download

Caterpillar C11 and C13, Disassembly and Assembly, 265 pages, click to download

Caterpillar C11 and C13, Specifications Manual, 141 pages, click to download

CATERPILLAR C11 y C13 Manuales del Motor

 
Manual de Operacia'n y Mantenimiento, Motores C11 y C13 - 106 paiginas - clic aqua - para descargar

CATERPILLAR C11 Diesel Engine Specs

 
CAT C11
Displacement, bore and stroke

Displacement
11.1 liter, 677 CID

Bore
5.12 in, 130 mm	
 
Stroke
5.51 in, 140 mm

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CAT C11
Arrangement

6 cylinder in-line turbo

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CAT C11
Power

Acert
305-370 hp
227-275 kW 
@ 2100 rpm

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CAT C11
Torque

1050-1450 lb.ft 
1400-1930 Nm
@ 1200 rpm

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CAT C11
Dimensions

approx:
length 1297 mm, 51 in
width 1050 mm, 48 in
height 1217 mm, 49 in

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CAT C11
Weight

approx:
1030 kg 
2270 lb

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CAT C11
Compression ratio

mostly at 17:1

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More Diesel Engine Specs, Bolt torques and manuals

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