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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

CAT C11 Connecting Rod Bolts
step 1 = 130 +- 7 Nm, 95 +- 5 lb.ft
step 2 = + 60 degrees

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


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

CAT C11 Arrangement
6 cylinder in-line turbo

CAT C11 Power
Acert
305-370 hp, 227-275 kW @ 2100 rpm


CAT C11 Torque
1050-1450 lb.ft, 1400-1930 Nm @ 1200 rpm

CAT C11 Dimensions
approx:
length 1297 mm, 51 in
width 1050 mm, 48 in
height 1217 mm, 49 in

CAT C11 Weight
approx:
1030 kg
2270 lb



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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