7E-7171 engine camshaft CAT engine spare part

7E-7171 engine camshaft CAT engine spare part Featured Image
  • 7E-7171 engine camshaft CAT engine spare part

Short Description:

Part No.7E-7153, CAT camshaft journal, wear-resistant support part matched with camshaft bushing for rotation, bears radial load, overhaul spare part for 35 series high-power diesel engine.


Product Detail

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description

This 7E-7171 is dedicated valve camshaft for single cylinder bank of 35 series engine. Its lobe lift and duration follow factory calibration. It drives valve tappets to coordinate valve opening and closing sequence, matching engine combustion cycle. Forged alloy steel blank with deep high-frequency hardened and mirror finished cam lobes, stable under high temperature and cyclic impact load. It serves mining, marine and generator engines, usually replaced together with cam bearings, thrust washers and tappets in overhaul.

Part No.：7E-7171
Name：CAT engine camshaft
Mounting position：Inside single cylinder bank
Structure：One-piece full-length valve camshaft for single bank
Material：Low Alloy Steel
Surface treatment：Deep high-frequency hardening, mirror grinding

Advantages

1. Factory calibrated cam profile, stable timing and balanced power among cylinders
2. Adequate hardened layer, resistant to pitting, spalling and scoring under long continuous operation
3. Strict journal coaxiality control, uniform bearing load and low seizure risk
4. Independent single bank design, separate repair available without disassembling opposite bank

FAQ 

Q1：Can 7E-7171 be swapped with 7E-6814 camshaft?
A：No. Lobe layout, lift parameter and locating dimension differ, not compatible.

Q2：Must the camshaft on the other bank be replaced together?
A：Not mandatory. Inspect the other camshaft separately and replace it if worn severely.

Q3：What typical faults will a worn camshaft trigger?
A：Valve train noise, weak power on single bank, unbalanced exhaust temperature, high fuel consumption and rough idle.

Q4：Can old cam bearings be reused with new camshaft?
A：Not recommended. Bearings and journals are mating friction pairs, better to replace together.

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