Skip to content
3939 chain is a type of extended pitch (8") 81X chain. These chains are used in drop sorting applications, and the lumber is sorted with a J-hook attachment. Our unique selection of 3939 chains includes 3939, 3939-4 (3939-B4), and 3939H chains. What sets our extended pitch j-bar sorting chains apart from others is our precision components, superior raw materials used, and solid round parts (bushings and rollers). The result is a high-performance chain with excellent strength and durability properties capable of handling the demanding sorting application. Besides the chains, we supply 3939 chain sprockets with various configurations such as; drive, idler, solid, split, and more! For additional information or to get a quote on our high-quality 3939 chains, contact our customer service team, and we will be happy to assist you!
Note: 3939-4 chain directly interchanges with 3939-B4 chain
3939 Chain Dimensions
The chart below shows the standard 3939 chain dimensions; if you don't see the specific version of the 3939 chain you have, please get in touch with us for a custom conveyor chain quote.
| Part # | Links Per 10ft |
Weight (LBS/ Ft) |
Avg. Ultimate Strength (LBS) | (P) | (C) | (D) | (E) | (G) | (H) | (J) | (K) | (M) | (N) | (W) | (T1) | (T2) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3939 | 15 | 1.55 | 24,000 | 8.000" | 1.93" | 0.900" | 0.432" | 1.74" | 1.125" | 1.50" | 3.62" | 0.28" | 0.41" | 1.06" | 0.155" | 0.155" |
| 3939 | 15 | 1.55 | 24,000 | 8.000" | 1.93" | 0.900" | 0.432" | 1.74" | 1.125" | 1.50" | 4.00" | 0.28" | 0.28" | 1.06" | 0.155" | 0.155" |
| 3939 | 15 | 2.4 | 37,000 | 8.000" | 2.30" | 0.900" | 0.432" | 1.74" | 1.125" | 1.50" | 4.00" | 0.28" | 0.28" | 1.06" | 0.250" | 0.250" |
Feature
Solid Bushings & Solid Rollers
Made From High-Grade Steel Alloys
Precision Components
Interchanges With Other Brands
Made From High-Grade Steel Alloys
Precision Components
Interchanges With Other Brands
