PIERCE Dump Bed Kit for Flatbeds
PIERCE Dump Bed Kit for Flatbeds
PIERCE Dump Bed Kit for Flatbeds
$2,095.00 – $2,545.00 Select options

PIERCE Dump Bed Kit for Flatbeds

SKU: DK Categories: ,

From: $2,095.00

From: $2,095.00
(5 customer reviews)
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DUMP BED KIT FOR FLATBED TRUCKS

The PIERCE flatbed hoist is a complete dump bed kit designed primarily for installation on 1/2 – 1 ton truck with an after market dump or flat bed body. This dump kit fits flat bed lengths up to 12′, similarly they work well on a utility trailer, in addition PIERCE dump kits comes partially assembled, for your convenience. All cross members, scissor mounting hardware, bed hinges, pump/valve assembly, wiring, controls, cylinder, and a 200 AMP breaker are all included.

Which dump kit, the light, medium, or heavy duty? The choice is based on two factors your bed length and what capacity limit you want to be able to lift, haul and dump. Scroll down to view the fit chart.

DUMP KIT SPECIFICATIONS

  • (DKLK) Light Duty (up to 10,000 LBS) / (DKMK) Medium Duty (up to 15,000 LBS)
  • Maximum angle: 45 degrees
  • Dumping time: 10 sec.
  • Breaker: 200 amp, 42VDC
  • Cylinder Measurements:
    • (DKLK Light Duty) 4″ x 14″ x 2″
    • (DKMK Medium Duty) 5″ x 14″ x 2″
  • Cylinder Working pressure is 2,250 psi
  • Replacement Cylinder: (DKLK Light Duty) P05314BW (DKMK Medium Duty) P046514W

DETERMINING THE CAPACITY OF YOUR DUMP KIT

Bed length and overhang length effect the capacity of your dump bed kit, therefore refer to the table below. For instance, if you require the maximum capacity for a medium duty kit, you must have:

  • 8’ bed with 12” overhang, or
  • 10’ bed with 24” overhang, or
  • 12’ bed with 36” overhang

DUMP BED KIT FOR FLATBED TRUCKS

The PIERCE flatbed hoist is a complete dump bed kit designed primarily for installation on 1/2 – 1 ton truck with an after market dump or flat bed body. This dump kit fits flat bed lengths up to 12′, similarly they work well on utility trailer, in addition PIERCE dump kits comes partially assembled, for your convenience. All cross members, scissor mounting hardware, bed hinges, pump/valve assembly, wiring, controls, cylinder, and a 200 AMP breaker are all included.

Which dump kit, the light, medium, or heavy duty? The choice is based on two factors your bed length and what capacity limit you want to be able to lift, haul and dump. Scroll down to view the fit chart.

DUMP KIT SPECIFICATIONS

  • (DKLK) Light Duty (up to 10,000 LBS) / (DKMK) Medium Duty (up to 15,000 LBS)
  • Maximum angle: 45 degrees
  • Dumping time: 10 sec.
  • Breaker: 200 amp, 42VDC
  • Cylinder Measurements:
    • (DKLK Light Duty) 4″ x 14″ x 2″
    • (DKMK Medium Duty) 5″ x 14″ x 2″
  • Cylinder Working pressure is 2,250 psi
  • Replacement Cylinder: (DKLK Light Duty) P05314BW (DKMK Medium Duty) P046514W

DETERMINING THE CAPACITY OF YOUR DUMP KIT

Bed length and overhang length effect the capacity of your dump bed kit, therefore refer to the table below. For instance, if you require the maximum capacity for a medium duty kit, you must have:

  • 8’ bed with 12” overhang, or
  • 10’ bed with 24” overhang, or
  • 12’ bed with 36” overhang

Additional information

Additional Information

Weight 400 lbs
Dimensions 48 × 42 × 20 in

Documents

DKLKPD Spec Sheet
View PDF
DKMKPD Spec Sheet
View PDF
Flat Bed Dump Kit Manual
View PDF
Dump Kit Guide
View PDF

Videos

Flat Bed Kit Installation – Part 1

Flat Bed Installation - Part 1 Cover Video
Play Video
Official PIERCE Video

Flat Bed Kit Installation – Part 2

Flat Bed Installation Part 2 Cover
Play Video
Official PIERCE Video

Flat Bed Kit Installation – Part 3

Flat Bed Kit Installation – Part 3 Video Cover
Play Video
Official PIERCE Video

Flat Bed Dump Kit Testimonial

Flat Bed Dump Kit Testimonial Cover
Play Video
Official PIERCE Video

Frequently Asked Questions

FAQs

Newer truck beds 2018+ are manufactured differently that 2017 models. The main issue is the way the truck bed is fitted around the chassis. This rounded design causes the bed to not be able to be lifted unless the bed is several inches away from the bed. We are currently developing more kits for newer models.
Maintaining your hydraulic dump bed kit is essential to running your equipment. Just follow this handy maintenance checklist to keep your dump bed kit in working order. We suggest going through this checklist at least once a year. A good time is at the beginning of spring or before the first frost.
Many dump bed kit owners find themselves at a loss when it comes to installing the dump bed kit. This can be frustrating especially when your livelihood depends on it.  If you choose not to do the hydraulic dump bed kit installation yourself, we have found two types of businesses that typically have the expertise required to install the Pierce hydraulic dump kit. Take a look at the options:
  • Body shop
  • Machine shop/welder
Wondering how to find a professional and reputable body or machine shop? The key is a little research. Below we have done a bit of the foot work for you. While the following criteria does not guarantee a positive experience it can help identify shops with experience and a history of good work.
Body Shop – Criteria
1. Certifications – Is the shop is certified by one or more of the following? 2. Insurance – Does the shop carry the following insurance?
  • Garage Liability
  • Garage keepers
There are many resources for best practices when choosing the right body shop you can check out our favorites here: Angie’s list “Advice on finding a reputable body auto body shop” and The ASE “How to choose the right body shop”
Machine Shop – Criteria
Unlike body shops machine shops and fabricators often specialize in many different areas of business from construction, to car and trailer body welders to artists. Find one in your area by following these guidelines: 1. Research – Google is your best bet when looking for a local welder or fabricator with experience. Search keywords along with your location to find one near you. 2. Reputation – Speak to colleagues and friends for recommendations. Whether you choose to DIY dump kit installation or hire someone else Pierce offers complete instructions (download them here) and numerous videos to assist.
The cross member should be closest to the cab and the scissor should run to the rear of the truck.
You can mount the pump at any location you desire as long as it is clear of any moving parts. Most installations have the pump mounted to the side of the frame behind the truck cab. Some people have even mounted it inside the cab.
The Stock Bed kit comes with a fuel kit – a 90° elbow to redirect the fuel line (which is optional) and a fuel bracket that bolts to the side of the frame. You must ensure a downhill flow to avoid fuel spillage during fueling.
Yes, the pieces are made extra long for a universal application. Be sure you do not cut into the brace of the hinge as this will compromise the integrity of the hinges.
A gooseneck trailer SHOULD NOT be pulled with a truck that has a converted dump bed. A bumper pulled trailer can be used; however, you will want to pin the front of the bed down (this is not currently supplied with the kit) with a weldable Pierce Twist Lock (not included).

NOTE:  On the Stock Bed kit you will have to both drop down and deepen the receiver 2 – 3 inches towards the cab.

With experience, a dump kit installation typically takes 12 to 16 hours. If this is your first time, expect to spend at least 16 to 24 hours of work to complete your dump kit conversion.
You do not have to have overhang, but mounting the rear hinges is much easier when you have at least 6 inches of overhang. Also, REMEMBER less overhang = less capacity. The suggested overhangs in the manual are necessary to achieve the specified capacity. The light duty, medium duty, and heavy duty kits are below.  
Click to see chart.
Pierce does not currently license installers. The dump kit comes with instructions and we provide instructional videos¬†here. Please note:¬†the Light Duty and Medium Duty kits will require some welding skills. We have found some best practices when choosing someone to install the dump kit.”
With dump kits for flat beds, you will be required to raise your bed up to 6.5 inches depending on the truck.

Customer Reviews

5 reviews for PIERCE Dump Bed Kit for Flatbeds

  1. Brian Setzer –

    Pierce has delivered dump kit efficently with good communication and customer care.

  2. Michael Houston –

    good quality hoist. installation not to bad after watching instructional videos.

  3. Raymundo Jaquez –

    I am looking for a kit for a ford 350 2011 12ft bed video and price

  4. Patrick Perry –

    We purchased 3 kits:

    Item# 330903
    2 Ton Capacity Chevy/GMC Long Bed. For dumping a 3/4T Chevrolet pickup with 8 ft bed with 2’ high side board extensions that we load with compost.
    This was inadequate. It would only lift a below level bed height of moist compost. It usually required removal of 1/3 of the compost to actuate the dumping mechanism.

    !!! Reinforcing The Truck Frame Crossmember Is Necessary !!!
    !!! IT IS NOT IN THE INSTRUCTIONS !!!

    After several dumps, the front bolts attaching to the frame punched holes through the frame crossmember.

    Pierce Arrow refused to be liable for the resulting twisted lifting assembly or damage to the pickup frame or ruined Chevrolet pickup bed.

    We fabricated a new 5×8’ aluminum bed with 4’ high sides for the pickup and installed a 7.5 Ton Dump kit.

    We fabricated a new set of scissors and frame hardware, replaced the damaged hydraulic ram with a 3 ton Cylinder and installed it on a 4WD Toyota pickup. It works fine now.

    That was a $5,000 lesson learned!

    Item# 3309021
    5 Ton Capacity
    For dumping a 3/4T Chevrolet pickup with 6ft bed and 2’ high side board extensions that we load with compost.

    !!! Reinforcing your crossmember is necessary !!!

    Item# 3309025:
    7.5-Ton Capacity
    For dumping a 3/4T Chevrolet pickup with 8ft bed and 2’ high side board extensions that we load with compost.

    !!! Reinforcing your crossmember is necessary !!!

    Patrick Perry
    A Worm’s Tale®
    256 South 1400 West
    Salt Lake City

    Please Text
    (385) 275-6910

  5. Patrick Perry –

    We purchased 3 kits:

    Item# 330903
    2 Ton Capacity Chevy/GMC Long Bed. For dumping a 3/4T Chevrolet pickup with 8 ft bed with 2’ high side board extensions that we load with compost.
    This was inadequate. It would only lift a below level bed height of moist compost. It usually required removal of 1/3 of the compost to actuate the dumping mechanism.

    !!! Reinforcing The Truck Frame Crossmember Is Necessary !!!
    !!! IT IS NOT IN THE INSTRUCTIONS !!!

    After several dumps, the front bolts attaching to the frame punched holes through the frame crossmember.

    Pierce Arrow refused to be liable for the resulting twisted lifting assembly or damage to the pickup frame or ruined Chevrolet pickup bed.

    We fabricated a new 5×8’ aluminum bed with 4’ high sides for the pickup and installed a 7.5 Ton Dump kit.

    We fabricated a new set of scissors and frame hardware, replaced the damaged hydraulic ram with a 3 ton Cylinder and installed it on a 4WD Toyota pickup. It works fine now.

    That was a $5,000 lesson learned!

    Item# 3309021
    5 Ton Capacity
    For dumping a 3/4T Chevrolet pickup with 6ft bed and 2’ high side board extensions that we load with compost.

    !!! Reinforcing your crossmember is necessary !!!

    Item# 3309025:
    7.5-Ton Capacity
    For dumping a 3/4T Chevrolet pickup with 8ft bed and 2’ high side board extensions that we load with compost.

    !!! Reinforcing your crossmember is necessary !!!

    Patrick Perry
    A Worm’s Tale®
    256 South 1400 West
    Salt Lake City

    Please Text
    (385) 275-6910

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