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Expert Answers about Lunette Ring Locks


  • Trailer Coupler Lock Recommendation for a Trailer with a Lunette Ring
  • We do have a lock for a lunette ring, but lock # 379DAT will not work. You will want to use the Blaylock EZ Lock, # BLTL-60. The 2 cylinders fit inside the ring and then a pin is placed through them and padlocked on one side so no one can hitch up the trailer without first removing the lock.
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  • Storage Lock For a Lunette Ring Coupler On a Trailer
  • We have the Blaylock EZ Lock Trailer Coupler Lock for Lunette Ring Couplers # BLTL-60-40D that fits a 2-1/2" or 3" lunette ring. This device is constructed of aluminum for corrosion resistance and accepts a PadLock # ML40D to secure to your trailer. You can also use a The Wheel Club - Tire and Wheel Lock # WI490 that fits tires up to 28" in diameter and 9" wide for added security.
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  • Can the MaxxTow # MT70034 Clevis be Used to a Tow Trailer with a Lunette Ring
  • As long as your trailer equipped with a lunette ring is within the 5,000 lb weight limit of the MaxxTow # MT70034 and your lunette ring fits within the tangs of the clevis hitch (see attached photos) you can definitely use this with a lunette ring. Please note that your lunette ring can't be more then 2-1/2" thick. You will also need a hitch pin & clip like part # PC3 or a locking hitch pin like part # e98880, as well as the clevis pin itself like part # CP20.
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  • What Diameter Shackle Will Blaylock EZ Lock Trailer Coupler Lock for Lunette Ring Couplers Work With
  • The Blaylock EZ Lock Trailer Coupler Lock for Lunette Ring Couplers part # BLTL-60 will work with any padlock that has a 3/8" diameter shackle or smaller like the Master Lock Stainless Steel Padlock with Shielded Shackle part # ML40D. It is also offered with this lock using the Blaylock EZ Lock Trailer Coupler Lock for Lunette Ring Couplers part # BLTL-60-40D.
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  • How to Lock Pin With Curt SecureLatch Lunette Ring
  • To lock the pin that comes with the Curt SecureLatch Lunette Ring # CU79FR you need a padlock with a 5/16" shackle and for that I recommend the Master Lock Laminated Steel Padlock # ML1KA.
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  • Trailer Coupler Lock For Pintle Hook / Hitch
  • We have a few options that you may wish to consider. If you are looking for a lock for the hook or hitch alone, I would recommend our etrailer.com coupler lock, part # e98887. This lock has a 1/4 inch diameter pin that is 2-1/2 inches long and has a covered key slot that prevents corrosion. Another trailer coupler lock I would recommend would be the Master Lock Adjustable Trailer Coupler Lock, part # 2847DAT. This coupler lock has a 2 inch shaft and may provide a more snug fit for the...
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  • Is there a Lunette Ring Adapter for the Stowmaster with 2" Ball Hitch
  • While we do not have a lunette ring adapter for the standard 2" ball type Stowmaster we do have the Roadmaster StowMaster Tow Bar part # RM-581. This will give you a 2 1/2" lunette ring to attach to your current rig. I thought potentially the head could be changed but it is fully welded to the tow bar and there just isn't an option to swap them.
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  • Is Blaylock BLTL-60-40D Lunette Ring Lock Available Keyed Alike
  • The Blaylock # BLTL-60-40D isn't available with keyed alike locks, but you can purchase just the assembly that installs into the lunette ring, part # BLTL-60 by itself and purchase keyed alike locks separately. The Master Lock # ML312KA would be a good choice for a keyed alike lock. Simply choose the 'keyed alike' option from the drop down menu on the linked product page.
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  • Pintle Hook For Towing Trailer With Lunette Ring
  • There is not an adapter so you'll just need a pintle hook for your hitch to attach to your trailer's lunette ring. Depending on what size hitch you have there are a pair of options: - 2" Hitch: Curt Pintle Hook # C48004 - 2-1/2" Hitch: Curt Pintle Hook # C48010 Both of these will need to be secured to your hitch with either Pin and Clip # ML1465DAT or Hitch Lock # e98881.
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  • Correct Bolts for Buyers Products Plain 10-Ton Forged Steel Lunette Ring
  • The Buyers Products Plain 10-Ton Forged Steel Lunette Ring part # 337B16140 will use 5/8-11 x 5" Grade 8 Bolts for mounting. We offer a kit with these bolts and the corresponding lock nuts, the Buyers Products Heavy Duty Channel Bolt and Nut Kit part # 337B9021.
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  • Recommended Ball Mount To Use With Lunette Ring On Generator Trailer
  • For your truck, I recommend the Convert-A-Ball Cushioned, 6-Way, Multi-Hitch Ball Mount for 2" Hitches - 10,000 lbs # CAB-6W to allow you to pull your generator with a lunette ring. This cushioned ball mount will protect your truck's driveline and hitch assembly by acting as a shock absorber. Another option is to use the Curt Pintle Hook Mounting Plate for 2" Hitches - 8-1/4" Shank - 8 Hole - 10,000 lbs # C48324 along with the Curt Pintle Hook - Bolt On - 10,000 lbs # C48205. I recommend...
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  • Measurement Of The Adjustment Holes On Demco Lunette Ring and Compatibility With Curt Channel Mount
  • Yes, the Demco Lunette Ring - Adjustable Channel Mount - 3" Diameter - Black - 25,000 lbs, # DM09557-81 should be compatible with the Channel Style Adjustable Ballmount - 2" & 2-5/16" Balls - 14,000 lbs, # C45900 but you will be limited by the 14,000 lb capacity of the mount for towing. The Demco lunette ring has 2 inch on center holes and the Curt mount has 1 inch on center adjustability. If you want the lockable pins, I recommend the Curt Lock Set for Adjustable Channel-Style Mounts...
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  • Hardware Kit for the Curt Lunette Ring - Flat Plate Mount
  • To mount the Curt Lunette Ring - Flat Plate Mount - 3" Diameter - 60,000 lbs, part # C48560, you can use the Lunette Ring Hardware Kit - Flush Mount, part # C48KR. It includes four 3/4" hex bolts, four nylock nuts and four flat washers. I've linked to a video review of the lunette ring for your reference.
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  • Lunette Ring for 23,000 lb Trailer and Boat
  • There aren't any lunette rings that have a bolt pattern which measures 5" horizontally by 8" vertically so the best we can offer is a new lunette ring and mounting plate you would have to weld on. You can choose from either a 2-1/2" or 3" lunette ring, depending on what you need. - 2-1/2" Diameter: Curt Lunette Ring - Flat Plate Mount # C48550 - 3" Diameter: Curt Lunette Ring - Flat Plate Mount # C48560 - Mounting Plate: Buyers Products Mounting Plate for Lunette Ring # 337TNP716750100 I...
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  • Recommended 3 Inch Lunette Ring Over 2-1/2 Inch Alternative
  • The standard size lunette ring is 3 inches like the Demco Lunette Ring - Adjustable Channel Mount - 3" Diameter - Black - 25,000 lbs # DM09557-81. The 2-1/2 inch rings will not fit in the adjustable channel mounts where the vast majority of the 3 inch rings are designed for that style application. All of our pintle hooks like # C48210 are designed to work with the 3-inch lunette ring. There will be some movement, but there is not excessive slop. There needs to be some movement with...
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  • Available Sizes of Lunette Ring Trailer Couplers
  • Lunette rings do come in more than one size. The linked page displays both 2-1/2-inch and 3-inch inner diameter. . Lunette ring accessory items are also shown on the other linked page. Weight capacities for lunette rings are substantial, ranging from 12K up to 60K.
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  • Can A Lunette Ring Be Used with the B&W Pintle Hook Mounting Plate
  • The B&W Pintle Hook Mounting Plate part # BWPMHD14005 that you referenced will slide into a 2" receiver tube opening on the tow vehicle. This will then accept a pintle hook so that you can tow a trailer with a lunette ring, not the other way around. Unfortunately, we do not have a lunette ring for this mounting plate as again it is designed to be used with a pintle hook, not a lunette ring. If for some odd reason your trailer has a pintle hook and not a lunette ring then we would not have...
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  • Dimensions of Curt Stud Mount Lunette Ring # C48530
  • I went out to the warehouse and pulled Curt Stud Mount Lunette Ring # C48530 and took some measurements for you. Take a look at the photo which shows the dimensions of the Stud Mount Lunette Ring. The dimensions are: Mounting stud, Threaded portion = 2" Nut requires a 3" wrench or socket Diameter of shoulder at top of threads = 2-1/64" Hole in center of Lunette = 3" Diameter of Lunette Ring itself = 1-5/8"
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  • Inner Diameter of Lunette Ring on Titan Zinc-Plated Adjustable Channel Actuator Model 10
  • The Titan Zinc-Plated, Adjustable-Channel Actuator w Electric Lockout - Disc - Lunette Ring - 12,500 lbs # T4810020 has a standard 3 inch inner diameter lunette ring.
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  • Available Mounting Bolt Pattern for Bolt-On Trailer Side Lunette Ring
  • It sounds like you have a 4-bolt bolt-on trailer side lunette ring like the # C48550. This is a 2-1/2-inch inner diameter ring with a 4-1/2-inch center-to-center hole spacing. This is as you noted the only mounting hole spacing for such bolt-on items. The link provided will let you view all lunette ring couplers we offer, both bolt-on and weld-on types. You can use the filters in the margin to narrow the results based on the ring diameter and other features.
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