450-6633 camshaft assembly CAT engine spare part

450-6633 camshaft assembly CAT engine spare part Featured Image
  • 450-6633 camshaft assembly CAT engine spare part
  • 450-6633 camshaft assembly CAT engine spare part

Short Description:

Part No.450-6633, caterpillar camshaft assembly for mobile air compressor diesel engine, designed for frequent start-stop and short-cycle intermittent load, different from mining and marine revisions.


Product Detail

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description

This 450-6633 camshaft assembly is forged from wear-resistant alloy steel. Its cam profile is optimized for air compressor to ensure fast intake and quick response under sudden load. Timing gear, locating spacer and thrust washer are pre-assembled. It coordinates valve events and fuel injection to fix slow response, rough idle during unloading, gear noise and smoke on load-up. Mobile compressor runs with frequent start-stop, its timing and heat treatment are not interchangeable with mining, marine or generator camshafts.

Part No.：450-6633
Name：Camshaft Assembly for Mobile Air Compressor
Material：Wear-resistant alloy forged steel
Process：Integral forging, carburizing quenching, segmented precision grinding, dynamic balance, pre-calibration
Package includes：Camshaft body, timing gear, locating spacer, thrust washer
Application：Cat diesel power for mobile air compressor, construction mobile compressor unit

Advantages

1. Compressor-specific cam angle, extended intake duration for rapid pressure build-up
2. Reinforced thrust washer to withstand alternating axial force during frequent load change
3. Impact-resistant hardened cam surface, less pitting under repeated loading shock
4. Pre-assembled unit, saving fitting time in cramped compressor power compartment
5. Concentricity, gear backlash and hardness inspected individually, suitable for contractor spare stock

FAQ 

Q：Can 450-6633 compressor camshaft assembly replace mining 438-6132 or marine 438-3064?
A：Not interchangeable. Cam profile, fuel timing and thrust design differ, causing weak load response and timing jump.

Q：Can the camshaft be reused after light journal scratches polished?
A：It can be used temporarily within tolerance. Deep grooves require replacement to avoid seizure.

Q：How to store this camshaft assembly properly?
A：Hang vertically, apply anti-rust grease on gear teeth and cams, wrap dust film and keep away from dust and moisture.

Q：Is oil and filter change recommended after installation?
A：Recommended, to protect new cam lobes from debris under frequent load cycles.

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