D379, D398, D399 INDUSTRIAL & MARINE ENGINES Caterpillar


Connecting Rod

Usage:

(1) Bore in bearing for pin ... 2.4513 ± .0003 in.(62.263 ± 0.008 mm)

Pin diameter ... 2.4498 ± .0002 in.(62.225 ± 0.005 mm)

Maximum permissible clearance of used pin and bearing ... .003 in.(0.08 mm)

(2) Distance between pin center to bearing center ... 18.000 ± .001 in.(457.20 ± 0.03 mm)

(3) Bore in connecting rod for bearing ... 5.3845 ± .0005 in.(136.766 ± 0.013 mm)

Clearance between bearing and bearing surface (journal) ... .0031 to .0073 in.(0.079 to 0.185 mm)

Maximum permissible clearance of used bearing and worn bearing surface (journal) ... .012 in.(0.30 mm)

(4) Torque for both bolts for connecting rod:

a. Put crankcase oil on threads.

b. Tighten all bolts to ... 40 ± 4 lb. ft.(55 ± 5 N·m)

c. Put a mark on each bolt and cap.

d. Tighten each bolt from mark ... 120°

After tightening connecting rod bolts; end clearance between bearing cap for connecting rod and crankshaft ... .0095 to .0355 in.(0.241 to 0.902 mm)

Install piston on rod so "V" mark on top of piston is opposite the rod cap bolts.

NOTE: Piston pin bearing junction and locating notch must be assembled as shown. Bearing junction can be located at either postion "A".

Caterpillar Information System:

D379, D398, D399 INDUSTRIAL & MARINE ENGINES Crankshaft
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Pistons And Rings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Cylinder Liner Projection
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Cylinder Liner
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Cylinder Block
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Sea Water Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Fresh And Auxiliary Water Pumps
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Water Level Switch (2N9768 and 6L7037)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Cooling System Pressure Cap 6L9850 Cap
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Water Temperature Regulators 6L5851 and 9N2894 Regulator:
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Prelube Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Turbocharger Lubrication Valve
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Connecting Rod Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Main Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Bearing Surface (Journal) For Connecting Rods
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Bearing Surface (Journal) For Main Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Vibration Damper D399 Engine with one damper:
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Front Accessory Drive
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Flywheel
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Flywheel Housing
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Flywheel Runout
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Flywheel Housing Runout
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Flywheel Housing Bore
D379, D398, D399 INDUSTRIAL & MARINE ENGINES Alternators And Regulators
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