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DF4420 Series Engine Mount

Bushings Engine Mount Features:

This mount has a 10 3/4" mounting foot with 9" bolt centers and 1"  DUAL center stud.  Weight range for this series in four point mounting configuration is 2800-5600 pounds.

The (“Dual Flex”) DF-4420 Series of heavy duty mountings is a twin stud double mount designed principally for diesel engines in excess of 2,800 lbs. up to 5,600 lbs. in weight. These mounts are generally used on the “heavy (marine transmission) end” of the engine along with DF-4400 Series mounts on the front of the engine. Durable oil and fuel resistant elastomer element.

Low profile mount - requires only 3 3/8” minimum clearance from casting base to top of leveling nut.

SUGGESTED MOUNTINGS

ENGINE WEIGHTS  4 POINT MOUNTINGS 
2,800 to 3,600 lbs.  DF-4425-4 
3,600 to 4,400 lbs  DF-4426-4 
4,400 to 5,000 lbs.  DF-4427-4
5,000 to 5,600 lbs  DF-4428-4

Fail safe design - bottom pad prevents excessive impact. Easy installation with 3 3/4" full 1” threaded studs for vertical height and slotted casting for horizontal adjustment. Mounts come complete - furnished with three nuts: leveling, locking and secondary lock. Aluminum base cast with 1/2” slotted mounting holes for 1/2” bolts or lag screws on 9” centers. All steel parts are zinc plated for corrosion resistance. Available in four size ratings (shown below) dependant on engine/powertrain package weight.

The patented Bushings, Inc. “Dual Flex” Marine Engine Mount design provides outstanding vibration isolation control across the three (longitudinal, lateral, and vertical) fields of vibratory motion. Construction of the mount gives a soft cushioning effect under normal loads, as mount loads increase across the operating range, shear resistance grows quickly providing smooth operation with a small amount of deflection.

Item Number Engine Weights Per Four Studs Price
DF4425-4 2,800 to 3,600 lbs / Per Four Studs $306.16
DF4426-4 3,600 to 4,400 lbs / Per Four Studs $306.19
DF4427-4 4,400 to 5,000 lbs / Per Four Studs $306.19
DF4428-4 5,000 to 5,600 lbs / Per Four Studs $306.19

Please contact us at 1-800-777-0714 to order.

DF4420 Series Engine Mount