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CATERPILLAR 3114 3116 3126 Essential Diesel Engine Bolt Tightening Torques

 

CAT 3114, 3116, 3126 Main Bearing Bolts
Step 1 = 54 Nm, 40 lb.ft
Step 2 = + 90 degrees;

CAT 3114, 3116, 3126 Connecting Rod Bolts
Con Rods with Machined join
Step 1 = 54 Nm, 40 lb.ft
Step 2 = + 60 degrees

Con Rods with Fractured join
Step 1 = 70 Nm, 52 lb.ft
Step 2 = + 120 degrees

CAT 3114, 3116, 3126 Cylinder Head Bolts
M20 bolts
Step 1 = 300 ± 15 Nm
(221 ± 11 lb.ft)
Step 2 = Loosen all
Step 3 = 130 ± 15 Nm
(96 ± 11 lb.ft)
Step 4 (re-do step 3)
= 130 ± 15 Nm
(96 ± 11 lb.ft)
Step 5 = + 90 degrees
M12 bolts
55 Nm (41 lb.ft)


CATERPILLAR 3114 3116 3126 Diesel Engine Specs

 

CATERPILLAR 3114 3116 3126 Displacement, bore and stroke
Displacement
3114 - 4.4 liter, 268 CID
3116 - 6.6 liter, 402 CID
3126B - 7.2 liter, 439 CID

Bore
3114, 3116 - 4.13 in, 105 mm
3126B - 4.33 in, 110 mm

Stroke
3114 - 5.0 in, 127 mm
3116 - 5.0 in, 127 mm
3126 - 5.0 in, 127 mm

CATERPILLAR 3114 3116 3126 Arrangement
3114 - 4 cyl in-line turbo
3116 - 6 cyl in-line turbo
3126B - 6 cyl in-line turbo

CATERPILLAR 3114 3116 3126 Compression ratio and weight
CAT 3114
compression ratio 15.5:1

approx Weight
Turbocharged
(T)554 kg (1220 lb)

Turbocharged-Aftercooled
(TA) 568 kg (1250 lb)

CAT 3116
compression ratio 16.0:1

approx Weight
Turbocharged-Aftercooled
(TA) 681 kg (1500 lb)

CAT 3126B
compression ratio 16.0:1

approx Weight
Turbocharged-Aftercooled
(TA) 588 kg (1295 lb)


CATERPILLAR 3114 3116 3126 Power
CAT 3114T
78-119 kW (105-160 hp) @ 2400-2800 rpm

CAT 3114TA
101-145 kW (135-195 hp) @ 2400-2800 rpm

CAT 3116T
186 kW, 250 hp @ 2800 rpm

CAT 3116TA
260 kW, 350 hp @ 2800 rpm

CAT 3126TA
175-330 hp; 130-246 kW @ 2800 rpm

CAT 3114TA Dimensions with accessories
approx
Length
MG 502 - 1172 mm, 48 in
MG 5050 - 1243 mm, 49 in

Width
MG 502 - 804 mm, 32 in
MG 5050 - 804 mm, 32 in

Height
MG 502 - 854 mm, 34 in
MG 5050 - 854 mm, 34 in

cat 3114 dimension image
universal dimension image with accessories

CAT 3116 Dimensions with accessories
approx
Length
3116T - 56 in, 1422 mm
3116TA - 59 in, 1499 mm

Width
32 in, 813 mm

Height
34 in, 864 mm

cat 3126 dimension image
3126 approx dimensions


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email: steve@barringtondieselclub.co.za
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Page Revision #17.1RS 17-08-2021