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CATERPILLAR 3500 engines - Essential Diesel Engine Bolt Tightening Torques

 

CAT 3506, 3508, 3512, 3516, 3520 Main Bearing capscrews
Step1 = 140 lb.ft, 190 Nm
Step2 = plus 180 degrees

CAT 3506, 3508, 3512, 3516, 3520 Connecting Rod Bolts
Step 1 = 90 Nm, 65 lb.ft
Step 2 = Repeat step 1
Step 3 = +90 degrees

CAT 3506, 3508, 3512, 3516, 3520 Cylinder Head Bolts
Step 1 = 30 Nm, 22 lb.ft
Step 2 = 270 Nm, 200 lb.ft
Step 3 = 450 Nm, 330 lb.ft


CATERPILLAR 3508 Diesel Engine Specs

 

CAT 3508 Displacement, bore and stroke

Displacement
34.5 liter, 2107 CID

Bore
6.69", 170 mm

Stroke
7.48", 190 mm

CAT 3508 Arrangement and power

Arrangement
V8 turbo

Power
Industrial 3508 engine:
1000-1230 hp,
746-1250 kW @ 1800 rpm

3508 TA Gen Set
1010 kVA,
808 kW @ 1500 rpm

CAT 3508 Dimensions, weight and compression ratio

Dimensions
approx:
length 82 in, 2077 mm
width 67 in, 1703 mm
height 71 in, 1803 mm

Weight
approx:
3508 Marine:
11499 lbs, 5216 kg

Compression ratio
14.0:1

CATERPILLAR 3512 Diesel Engine Specs

 

CAT 3512 Displacement, bore and stroke

Displacement
51.8 liter, 3161 CID

Bore
6.69", 170 mm

Stroke
7.48", 190 mm

CAT 3512 Arrangement, power and torque

Arrangement
V12 turbo,

Power
3512B Industrial Engine
1231 kW, 1650 bhp @ 1800 rpm

3512 TA Industrial:
955 kW, 1280 hp @ 1800 rpm

Torque
Max Torque 3772 lb.ft,
5114 Nm @ 1450 rpm

CAT 3512 Dimensions, weight and compression ratio

Dimensions
approx:
length 105 in, 2667 mm
width 67 in, 1702 mm
height 68 in 1727 mm

Weight
approx:
13400 lbs
6078 kg

Compression ratio
13.0:1

CATERPILLAR 3516 Diesel Engine Specs

 

CAT 3516 Displacement, bore and stroke

Displacement
3516B - 67.4 liter, 4210 CID
3516C - 78.1 liter, 4766 CID

Bore
3516B - 6.69 in, 170 mm
3516C - 6.69 in, 170 mm

Stroke
3516B - 7.48 in, 190 mm
3516C - 8.3 in, 210 mm

CAT 3516 Arrangement and power

Arrangement
V16 turbo,

Power
CAT 3516
1275-1641 kW,
1710-2200 hp @ 1600-1800 rpm

789D Mining Truck with 3516B engine
1417 kW, 1900 hp @1750 rpm

789D Mining Truck with 3516C engine
1566 kW, 2100 hp @1750 rpm

CAT 3516 Dimensions, weight and compression ratio

Dimensions
approx:
length 130 in, 3302 mm
width 67 in, 1702 mm
height 81 in, 2057 mm

Weight
approx:
16,793 lb; 7,617 kg

Compression ratio
11:1


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Page Revision #15.1RS 04-08-2021