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Heavy Duty Diesel Damper

Replacement Haevy Duty Vibration Dampers            Vibratech TVD Viscous Torsional Vibration Damper

Crankshaft Vibration in Diesel Engines: The Need for Viscous Crankshaft Damper Technology

Torsional vibration occurs naturally on every engine’s combustion cycle. In each cylinder, the initial force of ignition twists the crankshaft ahead of its natural rotation. Then, during the exhaust cycle the crankshaft metal rebounds. This repeated twisting and rebounding motion happening while the crankshaft rotates creates vibration. All engine parts that contribute to generating torque and the design and material of the crankshaft, affect the magnitude of torsional vibration.

Torsional vibration spikes occurring from normal engine operation cause metal fatigue. This is especially damaging when torsional vibration amplifies in phase with the crankshaft’s own natural frequency. Torsional vibration robs power, fuel economy and causes engine wear. Continuous flexing of the crankshaft also causes metal fatigue and crank failure, much like bending a nail back and forth until it breaks.   

The Vibratech TVD viscous torsional damper is an American Made product that has taken the hard lessons learned at the race track and applied these lessons to the big rigs diesel engines. Vibratech TVD is a global leader in viscous damper manufacturing, engineering, and torsional vibration analysis for gas engines, diesel engines and power train applications. If you have increased the power output of your truck now is the time to consider a high performance crankshaft damper.

OEM Cranshaft Damper Failure

This OE damper was not changed during the engines rebuild.  Because the original crankshaft damper was not replaced at the time of the rebuild this lead to engine failure within two months.  The black patches indicate worn out silicone.  The silicone in a new Vibratech TVD damper is clear and gel-like in viscosity.  It is approx. 45,000 times thicker than 30w motor oil.

The Warning Signs of a Crankshaft Damper that needs to be replaced:

  • Increase of in cab vibrations
  • Increase in the level of driver fatigue
  • Throwing or slapping of belts.
  • Loss of torque and horsepower.
  • Loss of fuel economy.
  • Broken accessory brackets or accessory drive gear wear.
  • Loosening or broken bolts.
  • Broken accessory brackets.
  • Excessive bearing wear.
  • Crankshaft failure.
Your engine's crankshaft damper contributes to overall durability and efficiency of your diesel engine. A viscous vibration damper is an important mechanical engine component that contains a free rotating inertia ring encased in a thin layer of viscous silicone.  As it controls destructive torsional vibration to prolong the life your engine, it will naturally wear out from normal operation.  In over-the-road truck applications it is recommended to replace a viscous style damper every 500,000 to 750,000 miles, during in-frame and major overhauls, or according to your Owner’s Manual, whichever occurs first.

Regardless of mileage or time in service a viscous damper should be replaced if:

  • The outer housing is dented.
  • There are any leaks around the housing weld.
  • There is bulging of the housing cover.

Heavy Duty Diesel Engine Dampewr Replacement


The crankshaft damper is a vital mechanical engine component that contributes to overall engine durability and reliability. Routine crankshaft damper inspection and scheduled replacement every 500,000 to 750,000 miles in over-the-road trucking applications is highly recommended.

Crankshaft Failure

This is a prime example of what can happen when you do not replace the crankshaft damper at the recommended change interval. The above pictured original equipment vibration damper was not changed during the time of rebuild. Because this crankshaft damper was not replaced at the recommended interval this lead to engine failure within two months. Excessive torsional vibration can and will cause fatigue that far to often results in a very costly crankshaft failure.  Routine crankshaft damper replacement is one preventative maintenance step to help ensure engine longevity. Inspection of the damper by a technician, driver or owner / operator on a regular basis will prevent the costly repairs no one wants to face!

Displaying products 1 - 9 of 9 results
Vibratech 718018-300 Heavy Duty Diesel Damper
Cummins N14 Heavy Duty Diesel Crankshaft Damper
List Price: $685.00
Your Price: $624.50
You Save: $60.50 (9 %)
Cummins N14 Heavy Duty Diesel Crankshaft Damper
The Cummins N14 Heavy Duty Diesel Crankshaft Damper from Vibratech TVD® 718018-300 is an American Made Damper that automatically self-tunes to optimize damping of crankshaft torsional vibrations in real time.
Vibratech 715300-000 Heavy Duty Diesel Damper
Cummins NTC335-FFC / INTERIM K6 / K19 / 855 Diesel Damper
List Price: $685.00
Your Price: $616.79
You Save: $68.21 (10 %)
Cummins NTC335-FFC / INTERIM K6 / K19 / 855 Diesel Damper
the Cummins NTC335-FFC / INTERIM K6 / K19 / 855 engines with a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing.
Replacement Cummins ISX Heavy Duty Diesel Crankshaft Damper
Cummins ISX Heavy Duty Diesel Crankshaft Damper
List Price: $625.00
Your Price: $549.74
You Save: $75.26 (12 %)
Cummins ISX Heavy Duty Diesel Crankshaft Damper
Cummins ISX Heavy Duty Diesel Crankshaft Damper from Vibratech TVD® 718041-600 is an American Made Damper that automatically self-tunes to optimize damping of crankshaft torsional vibrations in real time to increase the life of your Cummins ISX diesel
Vibratech 718018-300 Heavy Duty Diesel Damper
Cummins NTC / NTA / FFC 400-475 / 855 Diesel Damper
Your Price: $529.31
Cummins NTC / NTA / FFC 400-475 / 855 Diesel Damper
The Vibratech TVD® 713396-000 Heavy Duty Diesel Damper is designed for the Cummins NTC / NTA / FCC 400-475 engines with a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing.
CATERPILLAR® C15 C16 3406 Crank Shaft Damper
CATERPILLAR® C15 C16 3406 Crank Shaft Damper
List Price: $564.00
Your Price: $523.90
You Save: $40.10 (7 %)
CATERPILLAR® C15 C16 3406 Crank Shaft Damper
This Caterpillar Crankshaft Damper is a Heavy Duty Diesel Replacement Torsional Vibration Viscous Damper that is a MADE IN THE USA. Computer balanced, hermetically sealed crankshaft damper dramatically reduces engine vibrations and operator fatigue.
CAT C10 C12 C13 Heavy Duty Diesel Crankshaft Damper
CAT C10 C12 C13 Heavy Duty Diesel Crankshaft Damper
List Price: $564.00
Your Price: $519.74
You Save: $44.26 (8 %)
CAT C10 C12 C13 Heavy Duty Diesel Crankshaft Damper
This Caterpillar C10, C12 and C13 Replacement Crankshaft Damper is a Heavy Duty Diesel Torsional Vibration Damper is a Vibratech TVD viscous dampers that is a MADE IN THE USA computer balanced and hermetically sealed crankshaft damper.
Detriot Diesel Series 60 Vibration Damper
Detriot 12.7L / 11.1L Series 60 Crankshaft Damper
List Price: $565.00
Your Price: $514.50
You Save: $50.50 (9 %)
Detriot 12.7L / 11.1L Series 60 Crankshaft Damper
The Vibratech TVD® Heavy Duty Replacement Crankshaft Damper for the Detroit 11.1L and 12.7L Series 60 engines provides increased HP and Torque, Improved Fuel Efficiency smother engine operation helping to reduce driver fatigue.
Detroit Diesel Series 60 Vibration Dampers
Heavy Duty Diesel Damper for Detriot Diesel Series 60 14L
List Price: $565.00
Your Price: $501.63
You Save: $63.37 (11 %)
Heavy Duty Diesel Damper for Detriot Diesel Series 60 14L
Heavy Duty Diesel Damper for the DETROIT DIESEL® 14 Liter Series 60 engines by Vibratech TVD® 717406-000 with a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing for torsional vibration control.
Cummins NTC 290-350 / 855 Heavy Duty Diesel Damper
Cummins NTC 290-350 / 855 Heavy Duty Diesel Damper
Your Price: $415.89
Cummins NTC 290-350 / 855 Heavy Duty Diesel Damper
The Vibratech TVD® 715285-000 Heavy Duty Diesel Damper is designed for the Cummins NTC 290-350/855 engines with a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing for torsional vibration control.
Vibratech Viscous Crank Shaft Dampers are MADE IN THE USA! 
Vibratech Heavy Duty Vibration Dampers
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