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Dockboard Selection Guide
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Dock Board Selection Guide 

Dockboard Selection Guide

Safety is the first issue when choosing your dockboard or dockplate.  Please make sure that you are purchasing a dockboard or dockplate designed to work under the conditions that you are going to be using it for.  Always use a dockboard or dockplate designed to meet or exceed the weight capacities that you are using on it.  Take into account the differences in 3 wheeled forklifts and 4 wheeled forklifts.  If you are using a 3 wheeled forklift, then you will need to increase your dockboard capacity to the next highest level.  To figure the weight capacity that will be  needed,

  • Determine the lifting capacity of the largest equipment used on it.  Multiply this capacity x 3. 
  • If the equipment used is a 3 wheeled forklift, increase the capacity to the next higher capacity manufactured.
  • If the dockboard is used more than One Shift a day, then it should be increased the the next higher capacity manufactured.

The width of the dockboard should be chosen by taking in to account, the products, and equipment that are going to be traveling over the board.  Generally, the board should be 12" wider then the equipment used on it. 

The length of the dockboard will vary depending on the type of equipment using it in relationship to the height differential at the loading dock.  The height differential is the amount of inches up or down that the board will have to accommodate.  Example: If the trailer is 55" from the ground, and the dock is 48" from the ground, then the height differential is 7".  When choosing the right Dockboard or Dockplate, you should choose one that will accommodate the highest and lowest trailer serviced at the loading dock loacation.  If a refrigerated trailer is serviced at the dock location, it is important to have the legs moved back to 14" instead of  11".  In most cases when choosing the length of your board you will find that the same board accommodates two different height differentials.  One for Pallet trucks and Hand carts, and one for Forklifts.  If your loading dock will accommodate all types of equipment then you need to make sure that you get the board that will fit all the equipment specifications.  Example:  You determine that your capacity needed is 15,000 lbs.  Your height differential is 7". The model BC6048 Dockboard accommodates the 15,000 lb, with a 7" height differential for forklift use.  But only a 5" differential for Pallet Truck use.  If you plan on using a pallet truck with the forklift, then you need to buy the dockboard that accommodates both the pallet truck and the forklift height differential, and the weight capacity of the forklift, you would choose BC6060.  It has a rating of 15,000 lbs, and accommodates pallet trucks for up to a 7" height differential, and forklifts up to a 9" height differential. 

The next issue might be price.  Price will vary depending on whether your item is Aluminum (which is lighter weight, therefore desirable) or Steel (which is heavier, and sometimes necessary for extreme weight capacities) .  Size for Size, the Steel is less expensive, however, most of the time, Steel is more expensive to ship.  The differences need to be measured if price is an issue.

Another issue could be how fast it can be brought to your door.  In fact yesterday might be to late!  We have a partial solution for that.  Its called just being a state away!  Ok, maybe two states.  A Standard Dockplate or Dockboard is one that fits many different size and weight capacities.  These standard sizes are warehoused in seven different locations across the United States, and almost always can be shipped the very next day after the order is taken.  Shipping is drastically reduced on these items because of their location, and often you will get a better dockboard for the money spent by upgrading to a Standard Board size. 

We would be glad to help you choose the right product for your application.  
Give us a call at 1-800-741-1258.

Choosing the correct SIZE and CAPACITY of equipment helps improve your dock operation.  The following guidelines will help you determine what equipment best suits your individual needs.
Dockboard Height Differential

To Determine the proper length of a dock board or dock plate,
Three items are required:

  • Loading Dock Height: (D)
  • Height of highest truck or trailer (T)
  • Type of loading equipment used  

Dock Height (D) - Truck/Trailer Height (T) = Height Differential

Note:  If refrigerated or container trailers are serviced at your location, you will need to request the legs moved back 4" to acommodate the lip on the trailer.  This will be done at no extra charge.

Once you have figured your Height Differential, the type of equipment used on the Dockboard/Dockplate needs to be considered to decide on the proper length of your Dockboard.  Below is a chart for help in deciding what length your dockboard should be.

 

DOCK PLATE LENGTH 

DOCK BOARD LENGTH  

DOCK BOARD LENGTH 

HEIGHT 

 PALLET JACK

 PROPANE FORKLIFT

 ELECTRIC FORKLIFT

 3"

 36"

 36"

 36"

 5"

 48"

 36"

 48"

 7"

 60"

 48"

 60"

 9"

 

 60"

 78"

 11"

 

 72"

 90"

 13"

 

 84"

 

 15"

 

 96"

 

Select Dockboard Width

Dockboard/Dockplate Width:
Bluff manufacturing recommends a minimum product width of 12" to 18" wider than the overall width of the vehicle or pallet used.  For improved end loading efficiency, you may consider increasing your dockboard width, as shown in the diagram. 

Dockboard/Dockplate Capacity:

To determine the dockboard capacity multiply the lifting capacity of the forklift x 3. 

  • Increase the board capacity if a (3) wheeled forklift is used
  • Increase the board capacity if used more than one shift a day

Note: 
Stackers and other narrow aisle loaders should not be used on a dockboard.
Paper roll clamp and multi-shift loading add 5,000 pounds to the dockboard capacity.
Capacity rated for single-shift operation at a 3 mile per hour maximum rate of travel

 

Capacity Selection Chart:
Lifting Capacities

3-Wheel Forklift 

4-Wheel Forklift 

Board Capacity 

 2,000 -  2,500

 

 10,000

 

 2,000 - 3,000

 10,000

 3,000 - 3,500

 

 15,000

 4,000 - 5,000

 

 20,000

 

 3,000 - 5,000

 15,000

 

 5,000 - 6,000

 20,000

Loading Dock Equipment, Dock Bumpers, Dock Boards, Yard Ramps, Dock Lights, and Industrial Equipment

sales@loadingdocksupply.com
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1-800-741-1258  

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Please note that dockboards can be ordered in many other sizes.  The models above are available for next day shipment.  See top left of page for all models.  Custom sizes available on request.
Height Chart

14% Grade

19% Grade

Board Length

2"

3"

30"

3"

5"

36"

4"

6"

42"

5"

7"

48"

6"

8"

54"

7"

9"

60"

8"

10"

66"

8 1/2"

11"

72"

9"

12"

78"

10"

13"

84"

11"

14"

90"

12"

15"

96"