PLATE 3Y4733 - Caterpillar

Engine Rear Gear Train
Illustration 6 g00268312
SAE standard engine crankshaft rotation
(1) Crankshaft
(2) Large cluster idler
(3) Small cluster idler
(4) Camshaft
(5) Idler
Table 4
Rear Gear Train
Gear Number Of Teeth
(1) Crankshaft 81
(2) Large Cluster Idler 90
(3) Small Cluster Idler 45
(4) Camshaft 81
(5) Idler 81 Reference Weights
Table 5
Approximate Engine Weights
Dry Weight of the Engine with Attachments G3612 G3616
25084 kg (55300 lb) 29892 kg (65900 lb)
Table 6
Approximate Weights Of Serviceable Parts
Component G3612 Engine G3616 Engine
Cylinder Block 6805 kg (14971 lb) 9625 kg (21219 lb)
Bearing Cap 65 kg (144 lb)
Crankshaft 2091 kg (4600 lb) 3800 kg (8378 lb)
Flywheel Assembly 491 kg (1082 lb)
Crankshaft Vibration Damper 183 kg (403 lb)
Cylinder Head Assembly 196 kg (432 lb)
Cylinder Liner 110 kg (243 lb)
Piston Assembly 48 kg (106 lb)
Piston Pin 19 kg (42 lb)
Piston Rod Assembly 57 kg (126 lb)
Turbocharger (one) 401 kg (884 lb)
Aftercooler Core(1) 94 kg (207 lb) 125 kg (275 lb)
Front Housing 258 kg (569 lb)
Rear Housing 350 kg (772 lb)
Used Air Cleaner Element 29 kg (64 lb)
(1) The weight that is listed is for a first stage aftercooler. A second stage aftercooler and an aftercooler with a deeper core are also available.
Table 7
Approximate Weights Of Package Generator Sets
Item G3612 Engine G3616 Engine
Engine(1) 25084 kg (55300 lb) 29892 kg (65900 lb)
Generator 15855 kg (34954 lb)
Module 1650 kg (3638 lb)
Mounting Base 12700 kg (28000 lb)
Coupling 977 kg (2154 lb)
Total 56266 kg (124045 lb) 61074 kg (134645 lb)
(1) The weights of the engines that are listed includes attachments that are mounted on the engines. The engine weights are dry weights.