GENERAL RAMP INFO
This provides an overview of the Heavy Duty Ramps, LLC Load Leveler System. It will also help identify parts should you need to replace them.
U.S. Patent #7.930.788 B1 covers 23.5K Dual Purpose Load Leveler Ramps, Stands, Stakes
U.S. Patent #8,061,943 B1 covers Single Purpose Load Levelers, Stakes

Load Leveler Ramp – Dual Purpose
- 5 Capacities: 32,000; 23,500; and 20,000, 15,000 and 10,000 lbs.maximum per axle.
- 32,000 lb. max per axle ramp in 18″ and 20″ widths
- 23,500 lb. max per axle ramps in 18″, 19″, and 20″ widths.
- 20,000 and 10,000 lb. max per axle ramp in 16″ width
- 15,000 lb. max per axle ramp in 18″ & 20″ width
- All ramps are 8 feet in length
- All ramps have pin ends for secure connection to the trailer (requires Skid Seat) and stands
- 20,000 & 32,000 lb. max per axle rated ramps are 6 inches thick, others are just 5″ thick
- Converts to a Leveler with the use of optional stakes
- Three lumber clips per ramp required when used as load levelers.
- May be hung from beneath your trailer for easy transport using optional hanging system

Adjustable Stand
- Adjusts from 18″ tall to 24″ tall.
- Works with all Load Leveler ramps
- May be hung beneath trailer with optional hangers
- All ramps pin to stands for secure connection
- All stands come complete with Base, Upper Section, all Pins and Keepers

Stakes
- Holds ramps upright for use as levelers (1 pair required per ramp, 1 left (shown) & 1 right
- Use chain binder with up to 3/8 chain to securely fasten stakes to trailers stake pockets
- Eight heights available to accomodate different trailer drops; 16″, 18″, 19″, 20″, 21″, 22″, 24″, and 26″
- Getting the correct stakes is important. When using spacers, stake height = ramp width + spacer height used.
- Some trailers have a narrow pocket. Measure stake pocket to be sure to get correctly sized stake inserts.
- Stake inserts are designed to be reversed to allow for up to a 1″ difference in trailer rub rail widths

Spacer
- Available in 4″ and 6″ heights
- Takes up space where trailer drop is greater than 20″ and it is not practical to fill a large gap with lumber alone
- Works together with ramps and stakes
- Use 6″ wide spacers with 20,000 lb. max per axle rated ramps, 5″ wide otherwise
- Required to add lumber to protect aluminum and make up any additional gaps.

Aluminum Skid Seats
- Available in 4 widths: 24″, 36″, 48″, and 97″
- Welding to trailer is preferred because of its strength, but bolting to trailer may be used.
- Most popular width is 36″.
- May be trimmed to fit around stake pockets on upper or rear deck
- May be mounted to either or both upper and lower decks
- Be sure to order the type appropriate for the deck being equiped
- Aluminm Skid Seats come equiped with Rods and Standard Hitch Pins

Steel Skid Seats
- Available in 4 widths: 24″, 36″, 48″, and 98″
- Welding to trailer is required.
- Most popular width is 36″.
- May be mounted to either or both upper and lower decks
- Be sure to order the type appropriate for the deck being equiped
- Steel Skid Seats come equiped with rods and Standard Hitch Pins

Stake Inserts
- Available in 3 sizes cut to fit trailers known to us. Remember, it’s important to know the size of your stake pockets.
- May be reversed to accommodate slight variations in trailer width between stake pockets.
- Be sure to mention if you have a Reinke or Manac trailer. These may have the smaller stake pockets.
- Each Stake is complete with Stake Insert to fit your trailer, Pins and Keepers

Load Leveler
- Single purpose Load Leveler 102″ across
- Levelers are rated at 20,000 lbs., 8,000 lbs. point load across 12″ width, 20,000 lbs. spread across the entire 102″ width
- Available in 16″, 18″, 20″, 22″, 24″, and 26″ heights
- Load Leveler is a single unit and includes stakes that fit into stake pockets to hold it upright, held in place by your chain binder
- Be sure to measure your trailers stake pockets to receive the correct stake inserts
- Lumber clips are a part of the Leveler that allow permament attachment of Dunnage
- We also have available optional Apitong to be used as dunnage

Lumber Clips
- May also be known as Dunnage holders
- Three required for each ramp used as a load leveler
- Comes in both 6″ wide, for 20K max per axle ramps, 5″ wide for all other ramps
- Required for use atop spacers to protect the aluminum ramp and spread the load

Ramp Hanger
- Carries ramps beneath the trailer
- Available in both Single and Double hangers (Double Hanger Right Hand shown)
- Order as a pair, left and right for both the single and double ramp hanger
- There must be, at a minimum, 99″ of clear space to mount hangers
- Ramp Hangers are complete with Keepers and Pins

Double Ramp Hanger – Clamp On Type
- No drilling holes in the trailers web
- Requires Trailer deck beams are I-Beam type, will not work with square or round tubes
- Carries ramps beneath the trailer
- Available in both Single and Double hangers (Double Hanger Right Hand shown)
- Order as a pair, left and right for both the single and double ramp hanger
- There must be, at a minimum, 99″ of clear space to mount hangers
- Ramp Hangers are complete with Keepers and Pins

Single Ramp Hanger – Clamp On Type
- Example of the single ramp hanger
- Requires Trailer deck beams are I-Beam type, will not work with square or round tubes
- Both clamp on hangers come complete with all necessary mounting hardware

Stand Hanger
- Carries stands beneath the trailer
- Order one Stand Hanger for each Stand
- Stand Hangers are complete with Keepers and Pins

Stand Hanger – Clamp On Type
- Carries one stand beneath the trailer
- Order one Stand Hanger for each Stand
- Stand Hangers are complete with Keepers and Pins, and all mounting hardware

Knee Brace
- When mounting Double Ramp Hangers it may be necessary to replace your trailers standard knee (angle) brace
- This replacement brace creates the necessary space for mounting of our Double Ramp Hangers
All parts for Heavy Duty Ramps are available for purchase in the event parts are lost.
- Rods are available for both stands and attaching ramps to skid seats
- When ordering please specifiy the width of your Skid Seats or if the rod is for the Stand
- All steel rods for ramp attachment are 3/4″ in diameter
- All rods accept the Standard Hitch Pin
- There are three sizes
- Ramp Hanger Keeper Long for double ramp hangers holding ramps with 6″ tubes
- Ramp Hanger Keeper Medium for double ramp hangers holding ramps with 5″ tubes
- Ramp Hanger Keeper Short for single ramp hangers and stand hangers
- These keepers will also accommodate padlocks in place of the Lynch Pin Keeper
- 1/4″ Universal pin for all Hanger Keepers
- 5/8″ x 4 1/2″ pin for Stake Inserts
- 3/4″ x 5 3/4″ pin for Stands (height adjustment)
- Hitch Pin Clip for Rods and Pins