20R-4610 camshaft CAT engine spare part

Short Description:

20R-4610 is Cat Reman camshaft for C13 engine, paired with 20R-4609, it works jointly to control intake and exhaust valve timing, widely used for overhaul of large mining excavators, heavy haul trucks and industrial generator sets.


Product Detail

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description

This is Cat Reman camshaft. It undergoes fluorescent penetrant inspection, journal straightening, cam surface fine grinding and spot hardness check. Its dedicated cam lift curve matches C13 valve timing logic. It is installed paired with 20R-4609 to drive valve train parts and synchronize intake and exhaust process for better combustion efficiency. It is made of tough forged alloy steel, cam lobes are re-hardened by induction treatment, journals reground to OEM tolerance. It has different cam profile from 20R-4609, they cannot be swapped individually. Verify engine serial number before ordering.

Part Number: 20R-4610
Part Name: Reman Camshaft
Fit Model: CAT C13 Engine
Matching Part: 20R-4609
Cam Surface Treatment: Induction hardening with controlled depth
Tolerance Correction: Coaxiality and bending correction
Working Condition: Heavy mine haulage, large excavation, constant-load power generation

Maintenance & Replacement Tips

1. When replacing camshafts, always replace the tappets, pushrods, and valve springs as a set to prevent premature scoring of the cam lobes.
2. Thoroughly clear all oil passages in the engine block before assembly; apply appropriate engine oil to the cam lobes and journals for pre-lubrication.
3. Strictly verify the valve timing against the C13 service manual; any deviation in timing can lead to a loss of power or valve-to-piston contact.
4. After assembly, manually rotate the engine to ensure smooth movement; start the engine for testing only after confirming that oil pressure has stabilized.

FAQ 

Q: Can 20R-4610 replace 20R-4609 separately?
A: No. They are matched pair with different timing curve, must be installed together, not interchangeable individually.

Q: Is this camshaft suitable for long-haul heavy truck continuous operation?
A: Yes, fatigue-resistant hardened layer, supports long continuous heavy-duty travel with proper maintenance.

Q: What should we inspect upon receipt?
A: Check cam lobes for chipping and pitting, journals for scratches, oil passages unblocked and flange threads intact.

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