Engine Mount Drawings

Installation Details
- Maximum clearance between the height adjusting nut and the top
washer is 3/8" inch or 10 mm.
- If more height is required a spacer is recommended under the mounting casting


R & D Marine Compression Mount

The R & D Compression Mount is a low height mount with minimum deflection.

Part Number Capacity (lbs.) Deflection (in.)
800-003 100-180 .09
800-004 160-370 .09
800-005 320-500 .09
Pre-loaded .06

Height adjusting nut thickness: 0.55

All dimensions are in inches (1 inch = 2.54 cm., 1 kg = 2.2 lbs.)



R & D Marine Small Shear Mount

The R & D Compression Mount is a low height mount with minimum deflection.

Part Number Capacity (lbs.) Deflection (in.)
12 mm Stud
800-038 30-90 .07 - .14
800-039 70-200 .07 - .14
5/8" UNF Stud
800-040 30-91 .07-.14
800-041 70-201 .07-.14
Pre-loaded .07

 

  Stud Diameter
12 mm 5/8" UNF
Height Adjusting
Nut Thickness:
.38 .55
Maximum Height 3.90 4.57

 


R & D Marine
"Super Mounts"
Shear Loaded Mount

The R & D Shear Mount is a low height rectangular mounting giving the best combination of lateral stiffness, i.e.

Direction A Soft to isolate vibration
Direction B Soft to isolate vibration at right angles to crankshaft
Direction C Stiff to take propeller thrust

It is fitted with an oil shield to protect the rubber.

Part Number Capacity (lbs.) Deflection (in.)
5/8" UNF Stud
800-010 80-230 .09 - .21
800-011 120-410 .09 - .21
800-012 250-560 .09 - .21
800-014 300-680 .09 - .21
3/4" UNF Stud
800-020 80-231 .09 - .21
800-021 120-411 .09 - .21
800-022 250-561 .09 - .21
800-023 300-681 .09 - .21
Pre-loaded .09

 

  Stud Diameter
5/8" UNF 3/4" UNF
Height Adjusting
Nut Thickness:
.55 .43
Maximum Height 5.38 6.50

'X' Dimension on initial installation
should not be more than 0.28 inches


R & D Marine "Super Mounts"
Shear Loaded Mount

The R & D Shear Mount is a low height rectangular mounting giving the best combination of lateral stiffness, i.e.

Direction A Soft to isolate vibration
Direction B Soft to isolate vibration at right angles to crankshaft
Direction C Stiff to take propeller thrust

It is fitted with an oil shield to protect the rubber.

Part Number Capacity (lbs.) Deflection (in.)
5/8" UNF Stud
800-024 80-232 .09 - .21
800-025 120-412 .09 - .21
800-026 250-562 .09 - .21
800-027 300-682 .09 - .21
3/4" UNF Stud
800-028 80-233 .09 - .21
800-029 120-413 .09 - .21
800-030 250-563 .09 - .21
800-031 300-683 .09 - .21
Pre-loaded .09

 

  Stud Diameter
5/8" UNF 3/4" UNF
Height Adjusting
Nut Thickness:
.55 .43
Maximum Height 5.38 6.50

'X' Dimension on initial installation
should not be more than 0.28 inches

All dimensions are in inches (1 inch = 2.54 cm., 1 kg = 2.2 lbs.)


R & D Marine
"Super Mounts"
Shear Loaded Mount

The R & D Shear Mount is a low height rectangular mounting giving the best combination of lateral stiffness, i.e.

Direction A Soft to isolate vibration
Direction B Soft to isolate vibration at right angles to crankshaft
Direction C Stiff to take propeller thrust

 

Part Number Capacity (lbs.) Deflection (in.)
5/8" UNF Stud
800-013 340-760 .09 - .19
3/4" UNF Stud
800-035 340-761 .09 - .19
Pre-loaded .09

 

  Stud Diameter
5/8" UNF 3/4" UNF
Height Adjusting
Nut Thickness:
.55 .43
Maximum Height 5.38 6.00

'X' Dimension on initial installation
should not be more than 0.28 inches

 

R & D Marine Heavy Duty
Circular Shear Loaded Mount

The R & D Heavy Duty Circular Shear Mount is designed to give excellent vibration isolation and is fitted with an oil shield to protect the rubber.

Part Number Capacity (lbs.) Deflection (in.)
800-015 500-1200 .12 - .25
800-016 650-1500 .12 - .25
800-017 880-2000 .12 - .25
Pre-loaded .12

Height adjusting nut thickness: 0.63


R & D Marine Heavy Duty
Circular Shear Loaded Mount

The R & D Double Acting Shear Mount is a unique mount incorporating 2 rubber elements which are pre-loaded against each other, giving excellent isolation together with good control on problem installations.

Part Number Capacity (lbs.) Deflection (in.)
5/8" UNF Stud
800-034 160-670 .19 - .30
3/4" UNF Stud
800-042 160-671 .19 - .30
Pre-loaded .19

 

  Stud Diameter
5/8" UNF 3/4" UNF
Height Adjusting
Nut Thickness:
.55 .43
Maximum Height 6.00 6.00

 


R & D Marine Small Compression Mount

The R & D Small Compression Mount is a competitive, low height, medium capacity compression mount giving good engine control.

Part Number Capacity (lbs.) Deflection(in.)
800-036 300 .04

Height adjusting nut thickness: 0.55

 

All dimensions are in inches (1 inch = 2.54 cm., 1 kg = 2.2 lbs.)


Back to the R & D Engine Mounts Page

R & D Drivetrain Solutions
12532 Beverly Park Rd.
Lynnwood, WA 98087-1524
Toll Free: 800-523-7558
Fax: 425-355-3661
Email: Info@Flexible-Coupling.com