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August 25, 2021 NHTSA CAMPAIGN NUMBER: 21E079000
Incorrect Temperature Setting for Weld
Incorrect torch angle or weld temperature setting could cause the weld to fail, causing loss of control, increasing the risk of a crash.
NHTSA Campaign Number: 21E079
Manufacturer Rigid Hitch Inc.
Components STRUCTURE
Potential Number of Units Affected 80
Summary
Rigid Hitch, Inc. (Rigid Hitch) is recalling certain DHB-4 4″ Drop, DHB-6 6″ Drop or 6″ Rise, DHB-10 10″ Drop/10″ Rise, and DHB-8 8″ Drop/8″ Rise tow hitches. The torch angle or temperature setting used to apply the weld may have been incorrect.
Remedy
Rigid Hitch will provide a full reimbursement for all returned units, free of charge. Owner notification letters were mailed September 3, 2021. Owners may contact Rigid Hitch customer service at 1-952-895-5001.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Project Number: 18003
Date: 02/02/18
TESTLINK SERVICES, INC.
903 Guthrie St.
P.O. Box 221
De Soto, IA 50069
Report of Hitch Testing
Performed on one Dual Hitch Extender Design
in Accordance with SAE J684 Class 4- 10,000 lbs. Weight Carrying
Model/Part Nos.: DHB-10
Prepared for: RIGID HITCH, INC.
Attn: Blane Wirth
3301 West Burnsville Parkway Burnsville, MN 55337-9150
This Report prepared by:
Carl C. Andreasen
Project Engineer
Product Evaluation Dept.
Phone:515-834-9050
Introduction:
This report presents the results of testing performed on one dual tube hitch extender design in accordance with the latest version of SAE J684 (Reaf. MAY2014), Table 3. This work was requested by Blane Wirth of Rigid Hitch Inc. and will be invoiced per purchase order number 010518BW (TSI proposal# 1005). The product was received on January 8, 2018 with the work conducted on January 10 through February 2, 2018.
Summary of Results:
| 1 / DHB-10 /Dual Hitch Extender | Class 4 – 10,000 | 750 I 500
(total change in tube axis 1.9°) |
Yes
(total change in ball axis 4.5° with test loads in accesso tube) |
| Performance is expected to be lower when hitch is mounted onto actual vehicle applications. | |||
Note: For any projected ratings in excess of the 10,000-pound limit of this SAE standard, extrapolated values were used to calculate test loads.
As Received
Sample Description:
Type of Device: Hitch component; class 4 extender w/dual tubes, for nominal 2″ receiver hitches.
Test Procedure:
Per SAE J684, Table 3; The test specimens are secured in an essentially non-yielding receiver hitch simulation according to the manufacturers recommended installation instructions. All forces are then applied through an essentially non-yielding ball and ball mount with an onset rate of not more than 150 lbs.Isec. Main receiver tube tested with a lab supplied ball mount having 0 lift and a 6.0″ extension from the ball platform centerline to the receiver lip. A preload of 400 lbs. is used for initial axis readings in degrees.
This report is subject to the adequacy and representative character of the sample provided. and to the comprehensiYeness of the tests requested and performed. In the interests of accuracy and avoidance of misunderstanding, quotations from or citations of this report arc authorized only
Carrier Loads per Customer; The test specimens are secured as above. All forces are then applied through an essentially non-yielding Cargo carrier/tray with an onset rate of not more than 150 lbs./sec. The first load is applied to the extreme center (rearmost) of the tray and a second load to an extreme corner (rearmost). A preload of 50 lbs. is used for initial axis readings in degrees.
Instrumentation:
The verification of load cell accuracy used for this project is by an Instron Model 3385H, serial #3217 with an NIST traceable calibration due date of December 7, 2018.
TEST RESULTS: (using accessory tube)
Model/Part No.: DHB-10
| SAE J684 TABLE3, Wefaht Carrvin2 Class 4-10,000 lbs. GVWR) | |||
| Direction | Required
Load, lbs. |
Permanent Change
in Ball Axis, Degrees |
Complies,
Yes/No |
| a. Downward and Compressive
(in deepest drop) |
5,180 & 5,180 | 4.5° | Yes |
| b. Tensile and Downward
(in hi hest rise) |
3,830 & 1,500 | 0.6° | Yes |
| c. Compressive and Downward
(in deenest dron) |
3,830 & 1,500 | 0.20 | Yes |
| d. & e. Transverse, Leftward/Rightward
(in highest rise) |
1,500 | 0°(0.1″) | Yes |
| 2,500 | 0° (0.3″) | Yes | |
The final position of the ball axis did not depart more than 5° from the original, nominally vertical, position following the application of the required test loads. Total – 4.5°.
As Tested, with Accessory Tube, in Deepest Drop
This report is subject to the adequacy and representative character of the sample provided, and to the comprehensiveness of the tests requested and performed. 1n the interests of accuracy and avoidance of misunderstanding, quotations from or citations of this report are authorized only
Additional test results:
| Direction | Center Line of Carrier, Rearmost Point (moment arm, 24 inches to receiver lip) | Extreme Corner of Carrier, Rearmost Point | Comments, Degrees (permanent change in accessory tube axis) |
| Downward | 750 Lbs. 0.6° under load |
500 Lbs.
(3.3° under load) |
1.90
following consecutive loads |
As Tested, with Accessory Tube, in Highest Rise for Cargo
| Specimen Detail: | DHB-10 |
| Insert (shank): | Nominal 2.0″sq. O.D., solid stock, 8.0″ long. The 0.64″ hole for a lock/pin is centered 2.5″ from the insert end. Permanent Markings: None |
| Extended Receiver Tube: | Nominal 2.0″sq. I.D. 0.24″ wall, 8.0″ long with crimped lip. The 0.64″ hole for a lock/pin is centered 2.5″ from the receiver end, with a full perimeter weld to the insert with 2.0″ of overlap. Permanent Marking: None |
| Accessory Tube: | Nominal 2.0″sq. I.D. 0.24″ wall, 6.6″ long, open ended, with crimped lip. The tube is centered, and butt welded on top of a 2.0″sq. O.D. 0.19″ wall, 8.75″ long at an angle (7.0″ above main tube) in turn welded to top of the receiver tube. The 0.64″ hole for a lock/pin is centered 2.5″ from the receiver end. Permanent Markings: None |
| Possible Offset/Extension: |
0.5” drop and rise with an 8.9″ extension, from anticipated location of the receiver lip (8.9″ from hole to hole, 14.9″ from insert hole to test ball centerline). |
Sample Disposition:
The test specimen from this project will be returned, ground freight, via UPS, per clients’ request.
Manufacturers of Trailer Hitches & Towing Products Distributors of Leading Trailer Hitch, Trailer Parts & Truck Accessory Lines
An ISO 9001:2015 Certified Company
IMPORTANT SAFETY RECALL – NHTSA RECALL NO. 21E079
August 31, 2021
To: Retail Purchaser of a Rigid Hitch manufactured Tow Bar and Accessory Receiver
Re: Voluntary Product Recall – Part Numbers DHB-4, DHB-6, DHB-8, & DHB-10
This notice is sent to you in accordance with the National Highway Traffic and Motor Vehicle Safety Act.
Rigid Hitch has decided that a defect that relates to motor vehicle safety exists in the following part numbers DHB-4, DHB-6, DHB-8, & DHB-10 all units purchased between January, 2021 and August, 2021. This part was provided to you by one of our dealers and your purchase falls within the timeline affected.
Part Number(s) affected
| DHB-4 | 4 inch Drop/Rise Tow Bar Accessory Receiver |
| DHB-6 | 6 inch Drop/Rise Tow Bar Accessory Receiver |
| DHB-8 | 8 inch Drop/Rise Tow Bar Accessory Receiver |
| DHB-10 | 10 inch Drop/Rise Tow Bar Accessory Receiver |
Problem identified
During manufacturing the torch angle or temperature setting that was used to apply the weld may have been incorrect. This can cause the weld to fail, possibly causing loss of control, increasing the risk of a crash.
What should you do
If you have this Voluntary Product Recall form you have been contacted by the selling dealer or directly by Rigid Hitch, Inc. based on information that has been provided. The return of the product can be done with your original retail purchaser or can be handled directly by the manufacturer – Rigid Hitch, Inc.
What will we do
After receiving this form, we will be in contact with you to determine how you would like to handle the replacement of the affected part.
- All paperwork required for the return of the recalled item(s) to Rigid Hitch, Inc. will be provided.
- A refund will be issued by Rigid Hitch, Inc. once the recalled item(s) arrive at our office.
We apologize for any inconvenience that this action places on you, our intentions are to help you in any way that we can to make our Voluntary Recall work as smoothly as possible. We are here to handle this situation in a prompt and efficient manner.
Quality manufacturing and product integrity have always been our highest standard and your confidence in us is of the utmost importance. We appreciate your business, and you may rest assured that our commitment to quality is unwavering. We will be manufacturing an enhanced version of this product soon.
Contact us:
https://www.rigidhitch.com/recall
Toll Free 800.624.7630 – please reference extension 265 – Les Narum our Associate Product Manager
If you believe that Rigid Hitch has failed to remedy this defect adequately or in a timely manner, you may contact NHTSA at: Administrator; National Highway Traffic Safety Administration; 1200 New Jersey Avenue, SE; Washington, DC 20590. Alternatively, you may call the DOT Safety Hotline toll-free at 1-888-327-4236 (TTY: 1-800424-9153) or go to www.safercar.gov.
Scott Nielsen
Product Manager – Rigid Hitch, Inc.
3301 West Burnsville Parkway • Burnsville, MN 55337-4290
Phone: (952) 895-5001 • (800) 624-7630 • Fax: (877) 895-9150
1 Affected Product
Equipment
| BRAND | PART NO. | PRODUCTION DATES |
| RIGID HITCH | TOW BAR | |
6 Associated Documents
Defect Recall 573 Report
RCLRPT-21E079-2075.PDF 219.454KB
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Recall Acknowledgement
RCAK-21E079-7936.pdf 646.032KB
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Miscellaneous Document – DHB Testing Report
RMISC-21E079-0679.pdf 498.597KB
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ISSUED Owner Notification Letter(Part 577)
RCONL-21E079-8294.pdf 246.518KB
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Recall 573 Report – Amendment 1
RCLRPT-21E079-3020.PDF 219.51KB
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Recall Quarterly Report #1, 2021-3
RCLQRT-21E079-3761.PDF 211.119KB
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Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21E079&docType=RCL
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- The RV Camper bumper hitch adapter 2 in receiver are designed to fits travel trailer 4” x 4” bumper beams.
- Differ from towever 83801: Offer lower hitch point to provide level trailer towing, more capacity for pulling than holding bike rack, cargo carrier, pls check the bumper capacity firstly. Some bumpers need be reinforced.
- The RV accessories Capacity: 3500lbs. Gross trailer weight, 350lbs. Max tongue weight.
- 2 bolts included for Mounting hardware, and the bumper hitch can be mounted both downside and upside.
- Heavy duty constructed and black powder coated for corrosion resistance.ATV hitch adapter is hitch extender 2 inch, good rv camper accessories for travel trailers.
- DEPENDABLE STRENGTH. This RV trailer hitch is rated for 3,500 lbs. gross trailer weight and 350 lbs. tongue weight (limited to lowest-rated towing component)
- VERSATILE DESIGN. This trailer hitch RV equips your camper with a standard 2-inch x 2-inch hitch receiver, allowing for a wide variety of towing options. It can be used for dinghy towing, flat towing or towing a trailer
- EASY TO INSTALL. Installation of this RV camper hitch is fast and easy. It securely bolts into place with the included grade-8 hardware and typically requires just a few tools. The 3-piece adjustable design fits RV frames up to 72 inches wide
- FULLY TESTED. Every CURT camper hitch design is tested at our Detroit engineering facility according to SAE J684 standards for the utmost safety and reliability while towing
- RUST, CHIP, UV-RESISTANT. This RV towing hitch is protected with a dual-coat finish of rust-resistant A-coat and highly durable black powder coat. The two finishes are co-cured for exceptional resistance to rust, chipping and UV damage
- Use Only For 2"*2" Square Tubes: Designed specifically for 4"-4.5" bumpers, this receiver is made for use with 2"*2" square tubes. Ensure that there is at least 1" of space between the bumper and trailer before installation. (Please check the bumper size carefully before purchasing.)
- 200lbs Tongue Weight Capacity: The Ohuhu Camper Bumper Hitch has a 200lbs tongue weight capacity that you can rely on. (Note: It is NOT intended for towing purposes.)
- Quick, Easy Installation: No need for complicated welding to make the Ohuhu Hitch Receiver work. You can hook it up to a bicycle rack, RV tire rack, cargo rack or other accessories. Simply install it on the bumper and you are good to go. (It can be Mounted Upside Down.)
- Sturdy & Durable: Hold it together, for the long term! Sturdy carbon steel construction is a durable, corrosion-resistant and long-lasting solution to all your trailer needs. You can trust in the Ohuhu Trailer Receiver to do its job every time.
- Accessories Included: Also included with your purchase are a set of 5/8" hitch pins and 1 rubber cap. Use the pins to secure the rack once installed on the hitch receiver to make it more stable, and the rubber cap to cover the hitch receiver when not in use.
- Fitment: This trailer hitch is great for tow fishing boat trailers, popup campers, trailers and bikes. Widely used in daily life.
- Function: 2" hitch for travel trailers and fifth wheels. It is mounted on the rear of the trailer and is used to tow the vehicle when facing trouble. Class I hitch bolted onto frame, Max tongue weight : 200 pounds. Class II hitch welded to frame, tongue weight: 300-350 pounds.
- Feature: Material: Steel; Color: Black; Finish:Powder Coated. Durable, strong strength and impact resistance meet your towing needs.
- Package Include: 1pc of trailer hitch. Mounting hardware and instruction are included.
- Installation: Install by screws. Professional installation is always highly recommended.
- Quick, Easy Installation: No need for complicated welding to make the Ohuhu Hitch Receiver work. You can hook it up to a bicycle rack, RV tire rack, cargo rack or other accessories. Simply install it on the bumper and you are good to go.
- Sturdy & Durable: Pulls its weight, every time! Tough and durable for the long haul, this hitch receiver is constructed of premium steel. With a dual coating finish of E-coat and Black Powder Coating, this bumper hitch is protected from rust and corrosion. Get the job done right with the Ohuhu Trailer Receiver!
- Use Only For 2"*2" Square Tubes: Designed specifically for 4"*4" bumpers, this receiver is made for use with 2"*2" square tubes. It can allow for a wide variety of towing options.
- 350lbs Tongue Weight Capacity: This RV trailer hitch is rated for 3,500 lbs. gross trailer weight and 350 lbs. tongue weight (limited to lowest-rated towing component).
- Accessories Included: Also included with your purchase are a set of 5/8" hitch pins and 1 rubber cap. Use the pins to secure the rack once installed on the hitch receiver to make it more stable, and the rubber cap to cover the hitch receiver when not in use.
- DEPENDABLE STRENGTH. This RV trailer hitch is rated for 3,500 lbs. gross trailer weight and 350 lbs. tongue weight (limited to lowest-rated towing component)
- VERSATILE DESIGN. This trailer hitch RV equips your camper with a standard 2-inch x 2-inch hitch receiver, allowing for a wide variety of towing options. It can accept a ball mount, cargo carrier, bike rack, tow hook and much more
- FULLY TESTED. Every CURT camper hitch design is tested at our Detroit engineering facility according to SAE J684 standards for the utmost safety and reliability while towing
- RUST, CHIP, UV-RESISTANT. This camper bumper hitch is protected with a dual-coat finish of rust-resistant A-coat and highly durable black powder coat. The finishes are co-cured for exceptional resistance to rust, chipping and UV rays
- EASY TO INSTALL. Installation of this RV camper trailer hitch is fast and easy. It securely bolts onto virtually any 4-inch x 4-inch RV bumper with the included hardware and typically just a few tools
- This travel trailer RV accessories fits 4"- 4.5" square bumpers (can be mounted upside or down bumper beams )
- For hitch bumper mount of bike racks, RV tire carriers, cargo carriers or other accessories, The bumper receiver allows 200 Ib tongue weight capacity
- The accessories NOT Intended for RV level trailer towing purposes, PLS BE CAREFUL
- The adapter are solid steel construct, weigh 9 lbs and protected by a durable black powder coat finish
- The bumper adapter takes 4 bolts and secures tightly around the travel trailer bumper
- 2" hitch for travel trailers and fifth wheels
- Bolt (Class I) or weld (Class II) onto the frame
- For use with bike racks, cargo carriers and other accessories
- Not to be used pulling cars or boats if bolted in Class I configuration
- Mounts to the side wall of frame or horizontal wall of C-channel or I-beam with angled hardware
- 【 STANDARD FIT 】 Fits standard 4" x 4" RV or travel trailer bumper/beam, use for both downside and upside, the bolts Need to be secure tightly around the travel
- 【 2 INCH RECEIVER FIT 】Accept hitch mount with 2" shank such as bike racks, RV tire carriers, cargo carriers or other accessories
- 【 CAPACITY 】 3500lbs. Gross trailer weight, 350lbs. Max tongue weight, Do NOT use for RV level Trailer towing Purpose
- 【 WEATHER RESISTANT 】Finished in black power coating provide durable and strong conditions, resist dust and corrosion, adds extra durability, can be used with an anti-rattle kit
- 【 POWERFUL& DURABLE BUILD 】 Heavy duty steel via robotically welded for superior strength provide excellent mounting facility, high quality hardware fittings, all make this adjustable trailer hitch more durable
- 【 Size and Model 】 The bolt on receiver hitch is suitable for 2x2 square pipes, with a maximum connection size of 4.5 '' high x 4.25 '' deep.
- 【 High quality material selection 】 The rv bumper hitch receiver 2 inch uses carbon steel as the main raw material, which is corrosion-resistant, scratch resistant, and trustworthy.
- 【 Widely used 】 Bolt fixed design, easy installation and disassembly, trailer hitch receiver can meet different usage scenarios.
- 【Installation device】 It is not used for traction and is suitable for fixing Bicycle frame, cargo rack and tire rack. The hitch receiver tube belongs to trailer accessories.
- 【 Carrying 200 pounds 】 Extremely strong load-bearing capacity, as long as there is an hitch receiver, you can install any bracket on your bumper.
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