448-8940 crankshaft AS CAT spare part

Advantages

• To withstand the forces and stresses.
• Ensure smooth rotation and minimize bearing wear.

1. One-piece forged steel blank, resistant to torsional fatigue; designed for the high peak-firing-pressure operating conditions of the 3516 engine model.
2. Precision-machined main and connecting-rod journals with surface-hardening treatment to enhance wear resistance and reduce bearing shell wear.
3. Integrated counterweights, dynamically balanced prior to shipment to minimize engine vibration.
4. Internal multi-channel lubrication system ensures consistent, stable oil delivery, providing reliable lubrication during prolonged heavy-load operation.
5. Manufactured to original equipment (OE) specifications for direct replacement, streamlining the assembly process during major overhauls.

FAQ 

Q1: Can 448-8940 replace 0R-9737?
A1: Yes. 0R-9737 is the Cat Reman alternative part for this crankshaft.
Q2: Can this crankshaft fit 3512 engine?
A2: Not interchangeable. 3512 is 12-cylinder version with different crank throw and journal layout.
Q3: Which spare parts should be renewed together with crankshaft?
A3: Main bearings, connecting rod bearings, thrust washers, front and rear oil seals and main bearing bolts are recommended.
Q4: Can lightly scratched crank journals be reground and reused?
A4: Check against factory wear limit. Replace it if dimension exceeds tolerance.