0R-7847 reman crankshaft vibration damper CAT engine spare part

0R-7847 reman crankshaft vibration damper CAT engine spare part Featured Image
  • 0R-7847 reman crankshaft vibration damper CAT engine spare part
  • 0R-7847 reman crankshaft vibration damper CAT engine spare part
  • 0R-7847 reman crankshaft vibration damper CAT engine spare part

Short Description:

Part No.20R-7560, CAT Reman camshaft overhaul kit for 3412 V-type heavy-duty diesel engine, equipped with reman valve lifters, bushings and thrust lock parts, for valve train repair on 772B,773B mining trucks, oilfield power units and large generator sets.


Product Detail

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description

This 0R-7847 is sealed silicone viscous crankshaft damper for CAT 3600, 3512B and C280 engines. It goes through official reman process: housing cleaning, seal inspection, silicone fluid check, dynamic balance test and crack detection. It is mounted on crankshaft front end to damp harmful torsional vibration, protecting crankshaft, main bearings and gear train from fatigue failure. Widely used on 797,797B mining trucks, marine propulsion and large generator sets. It is a mandatory replacement part for overhaul of large V-type engines.

Part No.：0R-7847
Name：CAT Reman Crankshaft Vibration Damper
Type：Viscous silicone torsional damper
Fit engine：3606,3608,3512B, C280-16, G3606B
Process：CAT official reman, seal test, dynamic balance calibration, MPI inspection
Mounting position：Front end of crankshaft

Advantages

1. Silicone damping design, effective vibration suppression across wide speed range for large-bore multi-cylinder engines
2. Factory reman process, restored seal and damping performance, cost advantage over new damper
3. Pre-calibrated dynamic balance, no extra eccentric vibration
4. Replace during overhaul to prevent catastrophic crankshaft damage

FAQ 

Q1：Can 0R-7847 and 0R-7848 dampers be interchanged?
A：No. Different inertia mass and silicone damping for different engine models, not interchangeable.

Q2：Is this Reman damper brand new?
A：No. It is factory remanufactured, crack inspected, damping tested and balanced to OEM specs.

Q3：What symptoms will appear when the damper fails?
A：Abnormal engine shake, front gear noise, crankshaft crack or break, premature bearing wear and frequent belt failure.

Q4：Should I replace it even if it looks intact during overhaul?
A：Replacement is recommended. Silicone fluid degrades over time; internal damping cannot be judged visually.

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