Review of M-3 and Associates Trailer Ramp Springs - Dual Ramp Spring - M346FR Video

Happy to help James, thanks for reaching out! Choosing the right M-3 ramp door spring system really comes down to matching your specific trailer and door. The biggest factor is the weight of your ramp door. The spring system is designed to help lift…

Hey Ryan. We only have one hub that'll fit a straight spindle with 1-3/8" item #L68149 inner and outer bearings. It's the Dexter 9-3/4" Hub-and-Rotor Assembly item #DX82UR. This zinc coated hub and rotor assembly has a 5 on…

Hey Scott, yes each of the ends of the dual ramp springs like the part #M346FR that you referenced turn independently. How heavy is your tailgate?

Hello Vance, Awesome job on building your trailer! I am happy to find the right spring for you, but in order to do I am going to need quite a few measurements. I have included a picture of what measurements I need, can you please respond back with…

The instructions for the Conventional Ramp Door Spring #M374FR state to wind the spring 38 quarter turns or 9-1/2 full turns. At this point you will want to test the door operation and make 1/4 turn adjustments adding tension or removing tension to…

I'd go with a double spring personally, Scott. These are typically going to be used on more heavy duty applications like your enclosed trailer with a pretty heavy door. In order to get a proper replacement though, you'd need measure the width…

When selecting ramp springs for a trailer ramp, you will want to know the diameter of your hinge pin and how much space you have available in the hinge. A typical horse trailer or utility trailer ramp uses 3/4 inch hinge pins and would require two…

Heavy duty ramp springs #RS16933RH and #RS16933LH install on the hinge of the ramp. I have included a picture of what this looks like for you. Not all trailers are exactly the same but this should give you a general idea of how the springs install.

Hello Ronnie, Yes, you can likely upgrade from ST205/75R14 to ST225/75R15 tires and wheels, especially since you mentioned your trailer has wider axles and plenty of clearance. The ST205/75R14 tire is about 26.1 inches tall and 8.1 inches wide, while…

Trailer or automotive wheels can have a positive or negative offset. The offset refers to the distance between the mounting surface of the wheel that touches the hub and the center line of the wheel, as shown in the diagram I have edited for you. A…

The replacement Titan actuator for your Model 10 with part number 3241639 is listed on our site as the Titan Zinc-Plated Brake Actuator w/ Drop, Electric Lockout #T4750620. My contact at Titan confirmed this.

Hey Mike, The #IR29FR lock kit is not compatible to work with the B&W Pintle Hitch that you have. The pin diameters are different sizes and would not fit. The only kit we have that is confirmed to fit the B&W Pintle Hitch is the InfiniteRule…