Please view these information tabs to learn more about a Mason Sullivan Clock Movement
Identification on Mason Sullivan clock movements
The numbers on the brass back plate of the Mason and Sullivan clock movement is where we need to start with the identification, so we can determine the proper replacement.
The Mason and Sullivan number system is not so helpful determining things, but once you convert the movement number to what it really is, we can know everything there is to know about the movement.
With the converted number, it can tell us all about the movement. In fact you need not really know anything but that converted number. If you ever need a part, that converted number is what we need to get it for you.
The converted number will tell us the movement plate size, the hand shaft length, the hammer location, if the clock is spring driven or weight driven. It will tell us the chime type like Westminster or triple chime, gong or bell. It will also tell us the length of the pendulum that will keep time on the clock movement. We will know what the weights are supposed to weigh if its weight driven and even if the weights hang on cables or chains.
If you do get the new movement, it will come already oiled and ready to go. If its weight driven it will come with its chains or cables with the pulleys. If the movement is the pendulum version it will come with its leader and suspension spring also.
We provide instructions for installation and we support what we sell. We have been clock makers for over 100 years in this family, we will answer questions that may arise even year after the manufacturer says its out of warranty at no charge. Basically if you ever need help, just ask the question and you will have a response, not only a response but the correct and also honest response. If you have not noticed yet, it is not an easy thing to find.
Ordering a Mason and Sullivan clock movement
Ordering a Mason and Sullivan clock movement is easy but it would need to be converted to the real number usually. If you have an X in the number that is stamped on the back plate of the clock movement you would need the below chart. If you have a number with no X on it, you can determine who made the clock very easy with the clock movement identification chart. Pay particular attention to Hermle units as that is what they used the most.
Now if indeed you have the X after the number, you would use the below chart to get the converted movement number to what the movement really is instead of there number.
When you convert to the new number, and write that number down because if you ever need anything for the clock, you need that number. Not only the movement, but if you want to find a key or a pendulum or a chain, anything would require that number. Of course if you order the new movement it will have that number stamped on it anyway, but either way.
Now you know the real movement number. You would click on that link below and order that movement number from the page that comes up. Many movements come in multiple CM lengths so it maybe required to use the drop down menu and select the CM from the list when you go to order the movement. This is important because if the CM length selected is some other CM than the conversion calls for, you will either always be too early or late for work.
The movement that will be sent to you will have a different number, but it will be the same movement as they are still in production. The new movement comes with the chains or cables and pulleys if it is weight driven, and they all come with the suspension spring and the clock hand nut as well. So there you have it, Ordering a Mason and Sullivan is really not Ordering a Mason and Sullivan after all, but you will get the same unit brand new.
Why a new Mason Sullivan?
Why a new Mason Sullivan? The reason is a New clock movement will be the same movement you have now but brand new. It is the same movement made in Germany, no knock off units.
The Mason and Sullivan company from MA, built and sold so many clock movements and clock kits, they were able to convince the makers of these units to have there name stamped right on the movements as they were being made. Not long after that they even had there own numbering system put in place instead of the makers numbering system.
Although they are now out of business, the movements were not their own anyway and the movement makers are still around. They had them made by German manufacturers that are still in business and making the same movements. A new movement will last longer than any repair is able to last, factory lubricated and improved upon, less money than a repair, and comes with a warranty.
On the back plate of the clock movement itself, usually on the low right, you will see some markings with an X at the end of the number.
This is if your clock movement has the Mason Sullivan number system only. Even though you purchased your clock from Mason and Sullivan, it does not necessarily mean that the movement will be stamped with the Mason and Sullivan numbering system. If you do not have an X in the number, then it is most likely a Hermle movement and you would need to go to that web page.
It may still say Mason Sullivan on the clock movement, but have a Hermle number system on it.
Either way, its most likely a Hermle movement in disguise. The new unit can ship the same business day if ordered early enough, comes oiled already. It will have its chains or cables and pulleys if its a floor clock movement, comes with instructions and support to install the unit.
Mechanical Clock Movement Issues
Mechanical Clock Movement Issues arise after years go by because the oil turns solid. With age, the mechanical clock movement's oil solidifies and becomes black and sticky. By the time 20 or 30 years go by, the oil has solidified and is creating wear on the movements brass plates.
If you look at your old clock movement, you will see holes in the brass plates where there are small pivot arbors sticking into these holes. These pivots are what the gears of the clock ride upon and as the pivots spin in the solidified oil, this makes the holes oblong instead of round. With the pivot holes oblong, the holes are pinching the pivots and creating resistance in the gear train. With the solidified oil and the pinched pivots, the clock will eventually stop working or chiming.
This wear takes place in the holes that are in the brass plates and is hard to identify sometimes. These holes in the brass plates become oblong instead of round and this pinches the pivot arbor going into it. Between this, and the solid oil, the clock ceases to function. To have this repaired is an expensive and long process. To have a mechanical movement serviced can cost two times as much or even three times the amount of the new one.
Mason and Sullivan Clock Movements
|Movement #||Chime Type||Driven by||CM length||Handshaft||Picture|
|3200X = HT116||Triple Chime||Cable Driven||116cm||56mm||Pic|
|3201X = HT116||Triple Chime||Cable Driven||116cm||56mm||Pic|
|3206X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3210X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3211X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3213X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3223X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3227X = KSU78||Triple Chime||Cable Driven||116cm||47mm||Pic|
|3230X = 461-053 114cm||Westminster||Chain Driven||114cm||53.2mm|
|3231X = 1161-053 114cm||Triple Chime||Chain Driven||114cm||53.2mm||Pic|
|3232X = 1161-853 114cm||Triple Chime||Cable Driven||114cm||47mm||Pic|
|3260X = 451-050 94cm||Westminster||Chain Driven||94cm||33.2mm||Pic|
|3261X = 1161-853 114cm||Triple Chime||Cable Driven||114cm||53.2mm||Pic|
|3262X = 1151-050 94cm||Triple Chime||Chain Driven||94cm||33.2mm||Pic|
|3266X = 351-050 94cm||Westminster||Spring Driven||94cm||33.2mm||Pic|
|3268X = 241-040 94cm(N/A)||Gong Strike||Chain Driven||94cm||33.2mm||Pic|
|3270X = 451-050 94cm||Westminster||Chain Driven||114cm||33.2mm||Pic|
|3281X = KSU80||Triple Chime||Cable Driven||93cm||47mm||Pic|
|3286X = KSU80||Triple Chime||Cable Driven||93cm||47mm||Pic|
|3300X = 141-030K 66cm||Bim Bam||Spring Driven||66cm||33.2mm||Pic|
|3301X = 141-030K 66cm||Bim Bam||Spring Driven||66cm||33.2mm||Pic|
|3304X = 141-040 66cm||Gong Strike||Spring Driven||66cm||33.2mm||Pic|
|3314X = RWS13||Westminster||Cable + Spring||65cm||32mm||Pic|
|3315X = RWS13||Westminster||Cable + Spring||65cm||32mm||Pic|
|3318X = RWU03(N/A)||Triple Chime||Spring Driven||15cm||32mm|
|3319X = RWS13||Westminster||Cable + Spring||65cm||32mm||Pic|
|3322X = 1051-030 43cm||Triple Chime||Spring Driven||43cm||33.2mm|
|3334X = 131-030 55cm||Bim Bam||Spring Driven||55cm||33.2mm||Pic|
|3335X = 241-840 75cm||Gong Strike||Cable Driven||75cm||33.2mm||Pic|
|3337X = 351-020K 55cm(N/A)||Westminster||Spring Driven||55cm||33.2mm||Pic|
|3341X = 141-030K 48cm||Bim Bam||Spring Driven||48cm||33.2mm||Pic|
|3342X = 141-040 38cm||Gong Strike||Spring Driven||38cm||33.2mm||Pic|
|3350X = 141-040 38cm||Gong Strike||Spring Driven||38cm||33.2mm||Pic|
|3352X = 141-040K 38cm||Gong Strike||Spring Driven||38cm||33.2mm||Pic|
|3354X = 351-020 38cm||Westminster||Spring Driven||38cm||33.2mm||Pic|
|3360X = 141-040 23cm||Gong Strike||Spring Driven||23cm||33.2mm||Pic|
|3366X = 351-020 52cm||Westminster||Spring Driven||52cm||33.2mm|
|3370X = 141-040K 48cm||Gong Strike||Spring Driven||48cm||33.2mm||Pic|
|3380X = 141-040 66cm||Gong Strike||Spring Driven||66cm||33.2mm||Pic|
|3390X = 141-040 29cm||Gong Strike||Spring Driven||29cm||33.2mm||Pic|
|3393X = 351-020 25cm||Westminster||Spring Driven||25cm||33.2mm||Pic|
|3396X = 131-080 23cm||Bell Strike||Spring Driven||23cm||33.2mm||Pic|
|3397X = 132-071||Ships Strike||Spring Driven||Balance||33.2mm||Pic|
|3398X = 131-080 23cm||Bell Strike||Spring Driven||23cm||33.2mm||Pic|
|3600X = 350-020||Westminster||Spring Driven||Balance||33.2mm||Pic|
|3602X = 1050-020||Triple Chime||Spring Driven||Balance||33.2mm||Pic|
|3603X = 1050-020||Triple Chime||Spring Driven||Balance||33.2mm||Pic|
|3604X = 150-070||Gong Strike||Spring Driven||Balance||33.2mm||Pic|
|3605X = 350-020||3201X = HT116||Westminster||Spring Driven||Balance||33.2mm||Pic|