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Popular Diesel Engine Specs


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 cylinder head and numbered bolts
 
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 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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CATERPILLAR C11 Diesel Engine Spec Sheets

 

CATERPILLAR C11 and C13 Diesel Engine workshop repair Manuals

 

CATERPILLAR C11 y C13 Manuales del Motor

 


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