283-5742 Caterpillar left rear engine camshaft for engine spare part

Short Description:

283-5742 Caterpillar left rear engine camshaft, fits 3512 V-type engine, controls intake and exhaust valve timing for left rear cylinder bank, widely used on oilfield power units, marine propulsion engines and large mining machinery.


Product Detail

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description

The 283-5742 is dedicated left rear camshaft for 3512 V-engine, working together with the other three camshafts. It drives roller lifters of this bank and synchronizes valve events. This high-power engine runs continuously under heavy thermal and cyclic shock load. Lobe pitting, spalling or journal scoring causes unbalanced cylinder performance, abnormal exhaust temperature, power loss and excessive fuel consumption. Severe damage triggers valve-to-piston contact. Its timing profile is exclusive for left rear bank and cannot be swapped with front or right-side camshafts.

Part No.:283-5742
Name:Left Rear Engine Camshaft (without gear)
Fit Models:CAT 3512
Equipment:Oilfield stationary generator set, marine propulsion engine, large mining equipment
Material:Forged alloy steel with induction hardened cam lobes
Matching Components:Roller lifters, cam bearings, timing gear, thrust washer

Product Advantages

• Designed to minimize friction and wear.
• Resistant to fatigue and deformation under load.
• Resilient to high temperatures.
• Dynamic balancing for precision operation.
• Resistant to camshaft torsional twisting.

FAQ 

1. Can 283-5742 be installed on the left front bank?
No. Left front and left rear camshafts have different lift and timing, mixing them breaks engine timing.

2. Does it fit 3516 engine?
No. 3512 and 3516 differ in journal size, cam profile and timing parameters, non-interchangeable.

3. Can the camshaft stay in service with minor scattered pitting and no cracks?
Pitting spreads rapidly under continuous heavy load of high-power engines, replacement is recommended.

4. What risk if I install new camshaft and reuse old lifters?
Mismatched contact surfaces accelerate lobe spalling during break-in and lead to early failure.

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