
2598559
2598578
2598595
3-330
Engine Tools
Pistons, Rings and Connecting Rods
Reconditioning Connecting Rod Tools
Model: Cat
®
Engines
Warranty: Six Months
• Usedtoproducesmoothersurfacenish(10MUorlessrequired)inpistonpin
bearing when new piston pin bearing is installed in connecting rod and 4W-7402
Piston is used
• Smoothersurfacenishrequiredonlyfornewpistonpinbearings
• 8T-2841 (discontinued) and 8T-2842 Pin Mandrel used with discontinued 5P-2050
Rod Checking Fixture to check bend, twist, and center distance
References
SMHS7366, Special Instruction
SEBF8075, Guideline for Reusable Parts
Item Part Number Description
1 8T-3103 BufngToolGroup(not
serviced)
2 8T-3104 Polishing Compound (not
serviced)
3 8T-2840 Bushing Compound
4 8T-3171 ToolBit(notserviced)
5 8T-3170 Set Screw
Not shown 8T-2841 Pin-Mandrel (Bushing Out)
Not shown 8T-2842 Pin-Mandrel (Bushing In)
139-9039 Snap Ring Pliers
Model: 3400 Engines
Warranty: Six Months
• Usedtoremovespeciallydesignedpistonpinretainingringswithoutholessuch
as 7E-5665 and 7E-1177
• Holds ring in tight clearance against piston pin
• Overalllength:213mm(8.4in)
Part Number Description
139-9039 Snap Ring Pliers
4C-8725 Pin Bushing Adapter
4C-8726 Spacer, 4C-8727 Push Adapter
Model: 3500 Family Engines with discontinued 7C-8608 (10°) Connecting Rod Assemblies
Warranty: Six Months
• Allow5P-8639PressGrouptobeusedtoremoveandinstallpistonpinbearings
in 3500 Family Engines with discontinued 7C-8608 Connecting Rod Assemblies
(10° taper on piston pin end)
• Fits rods with 10° taper
Part Number Description
4C-8725 Pin Bushing Adapter
4C-8726 Spacer
4C-8727 Push Adapter