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  Ramp Assist Springs

 

 Ramp Assist Springs, SIDE MOUNT

Ramp Assist Springs, Side-Mount

This heavy duty steel spring body has 1 hook offset at 90 degrees, and 1 regular hook at the other end.  Usually, the top hook fastens to a vertical loop (or welded steel clip) on the trailer frame next to the door opening, and the bottom hook hooks onto a bolt protruding from the side of the ramp: see example photo below.

Looking at the trailer when standing behind the ramp,  choose a RIGHT Hand or LEFT Hand spring.

*Total Length: 16", connecting at 15 1/2"

*Spring body: 1 1/2" wide X 13" long, total of 50 coils of 1/4"unpainted steel alloy

spring rate:  118 pounds/inch

*Weight- 3 lbs. each.

*NOTE: We currently are only able to find this ONE SIZE in Heavy-Duty, side-mount continuous-coil ramp assist springs.

Weld-on clips are sold below.

              
Below: picture of trailer with springs installed properly on ramp

 Ramp Assist Spring, Side Mount - Left hand

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Ramp Assist Spring, Side Mount - Right Hand

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Weld-On Chain Clips

Weld-On Chain Clips  

Welding the last chain link to a trailer actually weakens the chain strength. These chain clips are a strong, clean, simple and an economical way to attach safety chains to trailer tongues. Also used to attach ramp assist springs, and chains to "S" hooks in any application, such as butt chains.  All clips have a 3/4" clearance. Steel, should be painted.

Weld-On Chain Clip 3/8" x 4"

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Weld-On Chain Clip 7/16" x 6"

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Weld-On Chain Clip 1/2" x 6 3/4"

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Ramp Assist Spring, HINGE MOUNT for 1/2" OD shaft, Stainless Steel

HM112

Shown above: 1/2" Right Hand Spring

Ramp Assist Spring, Hinge Mount for 1/2" OD Shaft, Stainless Steel

This heavy-duty ramp assist spring is designed to fit onto the ramp hinge shaft (the round horizontal bar that holds the ramp to the trailer body). They can become slack with age & need replacement. These springs will fit on a 1/2" diameter shaft.  They are made slightly larger, because they will get smaller when torque is applied.

Coils: 18 of  .312 stainless steel

Spring body: 1 5/8" W X 5 5/8" L

Tails: 2 1/2" & 4 1/2"

Weight: 1.5  lb. each

Torque: 537 inch pounds @ 125 degrees deflection

*Springs for larger diameter shafts sold below.

This is the only stainless steel spring we offer, and we do not offer custom-sized springs.

 

Ramp Assist Spring, 1/2" ID  Hinge Mount, Right Hand ONLY, S.Steel

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Ramp Assist Springs, HINGE MOUNT for 3/4" OD shaft

Shown above: 3/4" Left Hand Spring & 

3/4" Right Hand Spring

(This is the most common hinge-mount spring used on horse trailer ramps.)

 

Ramp Assist Springs, Hinge Mount for 3/4" OD Shaft

These heavy-duty ramp assist springs are designed to fit onto the ramp hinge shaft (the round horizontal bar that holds the ramp to the trailer body). They can become slack with age & need replacement. These springs will fit on a 3/4" diameter shaft.  They are made slightly larger, because they will get smaller when torque is applied. When you are standing behind the trailer looking at the ramp, the left-hand springs are on your left, the right-hand springs are on your right.

Coils: 18 of  3/8" steel alloy

Spring body: 1 5/8" W X 6 1/4" L

Tails: inside: 2" L--outside: 6" L

Weight: 2 lbs, 3 oz. each

Torque: 787 pounds/ inch

*Springs for larger diameter shafts sold below.

We do not offer custom-sized springs.

 
Ramp Assist Spring, 3/4" ID  Hinge Mount, Right Hand

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Ramp Assist Spring, 3/4" ID  Hinge Mount, Left Hand

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Ramp Assist Springs, HINGE MOUNT for 1" OD shaft

Shown above: 1" Left Hand Spring,

Right Hand Spring

 

Ramp Assist Springs, Hinge Mount for 1" OD Shaft

These heavy-duty ramp assist springs are designed to fit onto the ramp hinge shaft. They can become slack with age & sometimes need replacement. These springs will fit on a 1" OD" diameter shaft. They are made slightly larger, because they will get smaller when torque is applied. When you are standing behind the trailer looking at the ramp, the left-hand springs are on your left, the right-hand springs are on your right.

Coils:11 of  7/16" steel alloy

Spring body: 2 1/8" W X 5" L

Tails: inside: 5 1/2" L--outside: 5 1/8" L

Weight: 2 lbs, 15 oz. each

Torque: 3278 pounds/inch

*Springs for larger diameter shafts sold below.

We do not offer custom-sized springs.

Ramp Assist Spring, 1" ID Hinge Mount, Right Hand

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Ramp Assist Spring, 1" ID Hinge Mount, Left Hand

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Ramp Assist Springs, HINGE MOUNT for 1 1/4" OD shaft

Shown above: 1 1/4"  Left Hand Spring,

Right Hand Spring

 

Ramp Assist Springs, Hinge Mount for 1 1/4" OD Shaft

These heavy-duty ramp assist springs are designed to fit onto the ramp hinge shaft. They can become slack with age & sometimes need replacement. These springs will fit on a 1 1/4" OD" diameter shaft. They are made slightly larger, because they will get smaller when torgue is applied. When you are standing behind the trailer looking at the ramp, the left-hand springs are on your left, the right-hand springs are on your right.

Coils: 8 of  7/16" steel alloy

Spring body: 2" W X 3 3/4" L

Tails: inside: 3 1/8" L--outside: 2 7/8" L

Weight: 2 lbs, 12 oz. each

Torque: 3778 pounds/inch

*Springs for larger diameter shafts sold below.

We do not offer custom-sized springs.

Ramp Assist Spring, 1 1/4" ID Hinge Mount, Right Hand

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Ramp Assist Spring, 1 1/4" ID Hinge Mount, Left Hand

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Ramp Assist Springs, HINGE MOUNT  for 1 1/2 " OD shaft

Shown above: 1 1/2" Left Hand Spring,

Right Hand Spring

Ramp Assist Springs, Hinge Mount

These heavy-duty ramp assist springs are designed to fit onto the ramp hinge shaft. They can become slack with age & sometimes need replacement. These springs will fit on a 1 1/2" OD" diameter shaft. They are made slightly larger, because they will get smaller when torgue is applied. When you are standing behind the trailer looking at the ramp, the left-hand springs are on your left, the right-hand springs are on your right.

Coils: 7 of 1/2" steel alloy

Spring body: 2 3/4" W X 4" L

Tails: inside: 6 3/4" L--outside: 6 3/8" L

Weight: 3lbs, 9 oz. each

Torque: 3912 pounds/ inch

*Springs for larger diameter shafts sold below.

We do not offer custom-sized springs.

 
Ramp Assist Spring,1 1/2" ID Hinge Mount, Right Hand

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Ramp Assist Spring, 1 1/2" ID Hinge Mount, Left Hand

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Ramp Assist Springs, HINGE MOUNT  for 2" OD shaft

Shown above: 2" Left Hand Spring &

2" Right Hand Spring

 

Ramp Assist Springs, Hinge Mount

These heavy-duty ramp assist springs are designed to fit onto the ramp hinge shaft (the round horizontal bar that holds the ramp to the trailer body). They can become slack with age & sometimes need replacement. These springs will fit on a 2" OD" diameter shaft. They are made slightly larger, because they will get smaller when torque is applied.  When you are standing behind the trailer looking at the ramp, the left-hand springs are on your left, the right-hand springs are on your right.

Coils: 8 of 1/2" steel alloy

Spring body: 3 1/4" W X 4" L

Tails: inside: 6 1/4" L--outside: 6 3/8" L

Weight: 4lbs, 3 oz. each

Torque:  3187 pounds/inch

This is the largest diameter spring that we sell.

We do not offer custom-sized springs.

 
Ramp Assist Spring, 2" ID Hinge Mount, Right Hand

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Ramp Assist Spring, 2" ID Hinge Mount, Left Hand

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Ramp Assist Spring, Hinge Mount, Lo-Boy

Ramp Assist Spring, Double Torsion Hinge Mount, Lo-Boy

Designed to assist with the lifting of ramps on heavy equipment trailers. These springs will fit on a 1 1/2" OD" diameter shaft. They are made slightly larger in diameter, because they will get smaller when torque is applied.

Coils: 6 EACH of  3/8" steel alloy

Spring body: 14 1/4" outside measurement, leg to leg

Tails: n/a

Torque: n/a

Ramp Assist Spring, Hinge Mount, Lo-Boy

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 We recommend that all parts and accessories be installed by a professional. If you choose to install them yourself, Trail Pals will not be responsible for any damage caused to yourself or your property.

 
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