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Engineered Class Chains
Born from brilliant engineering they were able to conquer tougher tasks with their unmatched strength, wear resistance, and customizability. Today, engineered class chains run the market in harsh applications such as dredgers, oil rigs, and other heavy machinery.
We're your partner in mastering the most challenging construction, saw mills, and heavy duty machinery tasks.
Built for Battle, Engineered for Excellence
Our engineered class chains are precisely crafted with premium materials and innovative design offering many different brands through Mac Chain, PROMAC, Allied Locke, Peer Chain, and many more! These chains all share:
- High-Grade Alloy Steel: Forget flimsy chains that buckle under pressure. Ours boast exceptional tensile strength and wear resistance, tackling the toughest loads with unwavering confidence.
- Case-Hardened Components: Precision-engineered pins and bushings receive a special hardening treatment, extending chain life and minimizing downtime for your operation.
- Heat-Treated Links: Enhanced strength and fatigue resistance meet exceptional flexibility, ensuring smooth operation even under demanding conditions.
- Customizable Configurations: From specialized attachments and coatings to custom lengths and link styles, we tailor your chain to your unique needs and environment.
Beyond Strength, Unmatched Expertise:
We're not just chain suppliers; we're your engineered class chain specialists
- Experienced Consultants: Our team delves deep into your project's specific demands, analyzing loads, operating conditions, and material handling requirements to recommend the perfect chain configuration. From initial consultation and technical guidance to prompt delivery and ongoing maintenance support, we're your dedicated partner
- Application-Specific and Customizable Solutions: Whether you're conquering oil rigs, dredging rivers, or powering heavy-duty machinery, we have the expertise to engineer the ideal chain for your unique challenge. We don't believe in cookie-cutter approaches. Your project deserves a chain engineered for its specific demands.
- Unrivaled Expertise: Our team's knowledge and experience ensure you receive the perfect engineered class chain solution for your specific challenge.
- Extensive Inventory and Global Sourcing: We stock a wide range of standard and custom chains, coupled with global sourcing capabilities to fulfill any unique requirement quickly.
Styles & Types of Engineered Class Chain
Our Engineered class chains include many different styles and types, all with different sprocket and attachment offerings. These include but are not limited to:
- Steel Bushed Chains
- Double Flex Chains
- Drop Forged Chains
- Roller Conveyor Chains
- Apron Conveyor Chain
- Bucket Assemblies
- "H" Class Transfer Chains
- These include RoofTop Chains
- H78A, H78B, H130, H131, and H138, C55A/B/C/D.
- These include RoofTop Chains
Most Common Types
- Steel Bushed Chains
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- Sizes include SS series chains from SS188, SS102B all the way to a 7" pitch.
- Attachments available commonly for sizes SS131, SS102B, SS110, SS111, SS856, SS150, SS956 and SS188.
- Sizes include SS series chains from SS188, SS102B all the way to a 7" pitch.
- MSR Steel Bushed Chains
- Sizes available from 1.654" Pitch to 4.00" pitch.
- Rivetless Drop Forged Chain or Bar Loop Chain
- Cast Combination Chains
- "H" Class Mill Chains
- "H" Class Drag Chains
- Double Flex Chains
- DF3498, DF3500, DF3910
Engineered Class Chain Sizing Charts
| Chain Size | Pitch | Cottered Overall Width ( C) | Riveted Width | Pin Dia (E) | Sidebar Height (F) | Barrel Dia (H) | Sidebar Thickness (T) | Barrel Length (X) | Tensile Strength | Working Load | Weight Per ft | Links Per 10ft |
| C55 | 1.631in | 2.06in | 1.97in | 0.375in | 0.75in | 0.72in | 0.19in | 1.25in | 12,150 LBS | 1,400 LBS | 2.2 LBS | 74 |
| C60 | 2.307in | 2.94in | 2.88in | 0.5in | 1in | 0.75in | 0.25in | 1.69in | 25,300 LBS | 2,620 LBS | 3 LBS | 52 |
| C77 | 2.908in | 2.308in | 2.25in | 0.437in | 0.88in | 0.72in | 0.19in | 1.25in | 14,850 LBS | 1,640 LBS | 2.3 LBS | 52 |
| C188 | 2.609in | 2.69in | 2.5in | 0.5in | 1.12in | 0.88in | 0.25in | 1.56in | 18,900 LBS | 2,350 LBS | 3.6 LBS | 46 |
| C131 | 3.075in | 3.75in | 3.5in | 0.625in | 1.5in | 1.22in | 0.38in | 2.06in | 32,400 LBS | 3,880 LBS | 6.8 LBS | 39 |
| C102B | 4in | 4.56in | 4.38in | 0.625in | 1.5in | 0.97in | 0.38in | 2.91in | 32,400 LBS | 5,400 LBS | 6.8 LBS | 30 |
| C102-1/2 | 4.04in | 5in | 4.38in | 0.75in | 1.75in | 1.38in | 0.38in | 2.91in | 48,600 LBS | 6,530 LBS | 9.5 LBS | 30 |
| C111 | 4.76in | 5.44in | 5in | 0.75in | 1.75in | 1.44in | 0.38in | 3.38in | 48,600 LBS | 7,590 LBS | 9.4 LBS | 25.5 |
| C133 | 6in | 4.31in | 4in | 0.875in | 2in | 1.75in | 0.38in | 2.88in | 60,000 LBS | 5,900 LBS | 8.8 LBS | 20 |
| C110 | 6in | 4.56in | 4.38in | 0.625in | 1.5in | 1.25in | 0.38in | 2.88in | 32,400 LBS | 5,380 LBS | 6.3 LBS | 20 |
| C132 | 6.05in | 6.75in | 6.5in | 1in | 2in | 1.72in | 0.5in | 4.31in | 67,500 LBS | 11,250 LBS | 13.4 LBS | 20 |
| Chain Size | Pitch | Overall Width (At Widest point) | Inside Width (E) | Pin Dia. (G) | Roller Dia. (D) | Sidebar Height (H) | Sidebar Thickness (T) | Bushing Dia. | Avg. Ultimate Strength | Max. Working Load | Weight (LBS/ FT) |
| 2065 | 2in | 3.04in | 1.27in | 0.59in | 1.13in | 1.63in | 0.31in | 0.81in | 65,000LBS | 4,000LBS | 7.6LBS |
| 882 | 2.609in | 2.69in | 1.13in | 0.44in | 0.88in | 1.13in | 0.25in | 0.64in | 26,000LBS | 2,500LBS | 3.6LBS |
| 3011 | 3.067in | 3.87in | 1.56in | 0.75in | 1.63in | 2.25in | 0.38in | 1.13in | 110,000LBS | 6,100LBS | 12.0LBS |
| 1030 | 3.075in | 3.51in | 1.5in | 0.63in | 1.25in | 1.5in | 0.31in | 0.91in | 28,000LBS | 4,650LBS | 7.0LBS |
| 1031 | 3.075in | 3.47in | 1.50in | 0.63in | 1.25in | 1.5in | 0.31in | 0.91in | 48,000LBS | 4,650LBS | 7.0LBS |
| 3075 | 3.075in | 3.84in | 1.5in | 0.65in | 1.25in | 1.75in | 0.38in | 0.91in | 75,000LBS | 5,100LBS | 9.6LBS |
| 3514 | 3.5in | 4.4in | 1.5in | 0.88in | 1.75in | 2.25in | 0.5in | 1.25in | 140,000LBS | 7,700LBS | 16.1LBS |
| 1242 | 4.063in | 4.75in | 1.94in | 0.88in | 1.75in | 2.25in | 0.5in | 1.25in | 140,000LBS | 9,000LBS | 16.1LBS |
| 1245 | 4.073in | 5.13in | 1.94in | 0.94in | 1.78in | 2.38in | 0.56in | 1.31in | 170,000LBS | 10,100LBS | 18.0LBS |
| 4522 | 4.5in | 5.38in | 2.06in | 1.1in | 2.25in | 3in | 0.56in | 1.62in | 220,000LBS | 12,300LBS | 25.4LBS |
| 5031 | 5in | 6.44in | 2.75in | 1.25in | 2.5in | 3.5in | 0.63in | 1.75in | 310,000LBS | 17,500LBS | 34.0LBS |
| 5035 | 5in | 3.63in | 2.56in | 1.38in | 2.50in | 3.5in | 0.75in | 1.88in | 350,000LBS | 19,600LBS | 38.1LBS |
| 5542 | 5.5in | 7.35in | 3in | 1.5in | 3in | 4in | 0.75in | 2in | 420,000LBS | 23,600LBS | 49.1LBS |
| 6042 | 6in | 7.35in | 3in | 1.5in | 3in | 4in | 0.75in | 2in | 420,000LBS | 23,600LBS | 45.0LBS |
| 6066 | 6in | 7.26in | 3in | 1.75in | 3in | 4.75in | 0.75in | 3in | 500,000LBS | 27,600LBS | 51.7LBS |
| Chain Size | Pitch | Overall Width (At Widest Point) | Inside Width (E) | Pin Dia. | Roller Dia. | Sidebar Height | Sidebar Thickness | Bushing Dia. | Avg. Ultimate Strength | Max. Working Load | Weight (per ft) |
| 64S | 2.5in | 3.69in | 1.5in | 0.88in | 1.56in | 2.38in | 0.38in | 1.19in | 125,000 LBS | 6,900LBS | 13.1 LBS |
| 5042 | 5in | 7.35in | 3in | 1.5in | 3in | 4in | 0.75in | 2in | 420,000 LBS | 23,600LBS | 53 LBS |
| 344SXX | 3in | 5.13in | 1.94in | 0.94in | 1.7in | 2.38in | 0.56in | 1 .31 | 170,000 LBS | 10,500 LBS | 22 LBS |
| 1353 | 4.09in | 5.82in | 2.25in | 1.31in | 2.63in | 3.5in | 0.63in | 1.88in | 210,000 LBS | 16,000 LBS | 37.6 LBS |
| US-64S | 2.5in | 3.69in | 1.5in | 0.88in | 1.56in | 2.13in | 0.38in | 1.19in | 125,000 LBS | 6,900 LBS | 13.1 LBS |
| US-344SX | 3in | 7.35in | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| US-4031 | 4in | 6.29in | 2.75in | 1.25in | 2.5in | 3.5in | 0.63in | 1.75in | 310,000 LBS | 17,500 LBS | 40 LBS |
| US-1353 | 4.09in | 5.82in | 2.25in | 1.31in | 2.63in | 3.5in | 0.63in | 1.88in | 210,000 LBS | 16,000 LBS | 37.6 LBS |
| US-5042 | 5in | 7.28in | 3in | 1.5in | 3in | 4in | 0.75in | 2in | 420,000 LBS | 23,600 LBS | 53 LBS |
| US-6566 | 6.5in | 8.33in | 3.25in | 1.75in | 3.5in | 6in | 0.88in | 2.44in | 600,000 LBS | 30,600 LBS | 71.1 LBS |
| US-7080 | 7in | 8in | 3.25in | 2.13in | 4.5in | 6in | 0.88in | 3.13in | 800,000 LBS | 37,150 LBS | 89.6 LBS |
| MSS6065 | 6in | 7.32in | 4.5in | 1.75in | 3in | 4.75in | 0.75in | --- | 600,000 LBS | 27,600 LBS | 51.7 LBS |
| X-345 | 3in | 7.35in | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1630-A | 3in | 7.35in | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Chain Size | Pitch (A) | Sidebar Height (B) | Sidebar Thickness (C) | Pin Dia. (D) | Overall Width (E) | Narrow Width (F) | Bush Dia. (H) | Inside Width (G) | Weight per ft |
| WR78 | 2.609in | 1.25in | 0.25in | 0.5in | 3in | 2in | 0.88in | 1in | 4 LBS |
| WH78 | 2.609in | 1.25in | 0.25in | 0.5in | 3in | 2in | 0.88in | 1in | 4 LBS |
| WH78HD | 2.636in | 1.25in | 0.38in | 0.56in | 3.38in | 2in | --- | 1in | 6 LBS |
| WH78XHD | 2.64in | 1.25in | 3/8in | 9/16in | 3-9/32in | 2in | --- | 1in | 6.3 LBS |
| WS78 | 2.609in | 1in | 0.236in | 0.5in | 2.602in | 1.626in | 0.839in | 0.787in | 3.37 LBS |
| WSR78 | 2.609in | 1in | 0.236in | 0.5in | 2.602in | 1.626in | 0.839in | 0.787in | 3.45 LBS |
| AF78 | 2.609in | 1.252in | 0.252in | 0.5in | 2.984in | 2in | 1.063in | 1.118in | 4.66 LBS |
| WH78B | 2.609in | 1.252in | 0.252in | 0.5in | 2.984in | 2in | 1 .063" | 1.118in | 4.66 LBS |
| WR78-4 | 4in | 1.25in | 0.25in | 0.5in | 3in | 2in | 0.88in | 1in | 4 LBS |
| WH78-4 | 4in | 1.25in | 0.25in | 0.5in | 3in | 2in | 0.88in | 1in | 4 LBS |
| WR82 | 3.075in | 1.25in | 0.25in | 9/16in | 3-5/16in | 2.25in | 1 .060 | 1-3/8in | 4.8 LBS |
| WH82 | 3.075in | 1.25in | 0.25in | 9/16in | 3-5/16in | 2.25in | 1 .060" | 1-3/8in | 4.8LBS |
| WH82XHD | 3.075in | 1.5in | 3/8in | 0.75in | 3-13/16in | 2-3/8" | --- | 1-1/8in | 8.5 LBS |
| WR106 | 6in | 1.5in | 3/8" | 0.75in | 4.25in | 2-13/16in | 1 .25in | 1.5in | 7 LBS |
| WH106 | 6in | 1.5in | 3/8" | 0.75in | 4.25in | 2-13/16in | 1 .25in | 1.5in | 7 LBS |
| WH106HD | 6in | 1.5in | 0.5in | 0.75in | 4.75in | 3in | 1 250 | 1.62in | 9 LBS |
| WR106XHD | 6.05in | 2in | 0.5in | 1in | 4-7/8in | 3in | 1.62in | 1.5in | 11.8 LBS |
| WR110 | 6in | 1.5in | 0.38in | 0.75in | 4.62in | 3in | 1 .250 | 1.88in | 7.2 LBS |
| WH110 | 6in | 1.5in | 0.38in | 0.75in | 4.62in | 3in | 1.25in | 1.88in | 7.2 LBS |
| WR111 | 4.76in | 1.75in | 3/8in | 0.75in | 4-13/16in | 3-3/8" | 1 .250 | 1-1/8in | 9.5 LBS |
| WH111 | 4.76in | 1.75in | 3/8in | 0.75in | 4-13/16in | 3-3/8in | 1 .250" | 1-1/8in | 9.5 LBS |
| WR124 | 4in | 1.5in | 3/8in | 0.75in | 4.25in | 2-13/16" | 1.25in | 1-1/8in | 8.3 LBS |
| WH124 | 4in | 1.5in | 3/8" | 0.75in | 4.25in | 2-13/16in | 1.25in | 1-1/8in | 8.3 LBS |
| WH124XHD | 4.05in | 2in | 1 /2" | 1in | 4-7/8in | 3in | 1.62in | 1.5in | 14.6 LBS |
| WR132 | 6.05in | 2in | 1/2" | 1in | 6.25in | 4-27/64in | 1.62in | 2.75in | 14.2 LBS |
| WH132 | 6.05in | 2in | 0.5in | 1in | 6.25in | 4-27/64in | 1.62in | 2.75in | 14.2 LBS |
| WH132HD | 6.05in | 2in | 0.625in | 1in | 6.75in | 4.62in | 1.62in | 2.88in | 16.4 LBS |
| WH132XHD | 6.05in | 2in | 0.625in | 1in | 6.75in | 4-11/16in | 1.62in | 2.75in | 15.3 LBS |
| WR150 | 6.05in | 2.5in | 0.5in | 1in | 6.25in | 4-27/64in | 1 .62in | 2.75in | 16.8 LBS |
| WH150 | 6.05in | 2.5in | 0.5in | 1in | 6.25in | 4-27/64in | 1.62in | 2.88in | 16.8 LBS |
| WH150HD | 6.05in | 2.5in | 0.62in | 1in | 6.75in | 4.62in | 1.62in | 2.75in | 19.3 LBS |
| WH150XHD | 6.05in | 2.5in | 5/8in | 1in | 6.75in | 4-11/16in | 1.62in | 2.75in | 19.7 LBS |
| WR155 | 6.05in | 4.44in | 0.56in | 1.13in | 6.41in | 4.44in | 1.75in | 2.75in | 19 LBS |
| WH155 | 6.05in | 4.44in | 0.56in | 1.13in | 6.41in | 4.44in | 1.75in | 2.75in | 19 LBS |
| WH157 | 6.05in | 2.5in | 0.63in | 1.13in | 6.75in | 4.63in | 1.75in | 2.75in | 20 LBS |
| WH159 | 6.125in | 3in | 0.63in | 1.25in | 6.75in | 4.63in | 2in | 2.75in | 26 LBS |
| WH188 | 2.609in | 1.12in | 0.25in | 0.5in | 2.69in | 1.62in | 0.88in | 1in | 3.8 LBS |
| WH200 | 6.125in | 2.5in | 0.63in | 1.25in | 6.75in | 4.63in | 2in | 2.75in | 22.1 LBS |
| Chain Size | Pitch (P) | Pin Dia ( E) | Riveted Overall Width | Cottered Overall Width | Sidebar Height (H) | Bushing Dia (D) | Sidebar Thickness (T) | Width Between Inner Sidebars (W) | Bushing Length (X) | Ultimate Strength | Working Load | Weight Per ft |
| 81X | 2.609in | 0.437in | --- | 1.218in | 1.122in | --- | 0.156in | --- | --- | |||
| 81XH | 2.609in | 0.437in | --- | 1.28in | 1.122in | --- | 0.218in | --- | --- | |||
| 81XHH | 2.609in | 0.437in | --- | 1.374in | 1.122in | --- | 0.312in | --- | --- | |||
| 81XHD | 2.609in | 0.437in | --- | 1.374in | 1.122in | --- | 0.312in | --- | --- | |||
| SS188 | 2.609in | 0.5in | 2.5in | 2.69in | 1.12in | 0.88in | 0.25in | 1.06in | 1.56in | 25,000 LBS | 2750 LBS | 3.8 LBS |
| SS131 | 3.075in | 0.625in | 3.5in | 3.75in | 1.5in | 1.25in | 0.38in | 1.31in | 2.06in | 40,000 LBS | 4500 LBS | 7.4 LBS |
| SS102B | 4in | 0.625in | 4.38in | 4.53in | 1.5in | 1in | 0.38in | 2.12in | 2.88in | 40,000 LBS | 6300 LBS | 6.9 LBS |
| SS111 | 4.76in | 0.75in | 5in | 5.44in | 2in | 1.44in | 0.38in | 2.62in | 3.38in | 50,000 LBS | 8850 LBS | 10.2 LBS |
| SS110 | 6in | 0.625in | 4.38in | 4.53in | 1.5in | 1.25in | 0.38in | 2.12in | 2.88in | 40,000 LBS | 6300 LBS | 6.3 LBS |
| SS833 | 6in | 0.75in | 5.1in | 2in | 1.44in | 0.38in | 2.62in | 3.38in | 50,000 LBS | 8850 LBS | 20.2 LBS | |
| SS856 | 6in | 1in | 6in | 6.31in | 2.5in | 1.75in | 0.5in | 3in | 4in | 100,000 LBS | 14,000 LBS | 16.5 LBS |
| SS857 | 6in | 1in | --- | 5.94in | 3.25in | 1.75in | 0.5in | 3in | 4in | 130,000 LBS | 14,000 LBS | 21 LBS |
| SS859 | 6in | 1.25in | --- | 7.25in | 4in | 2.38in | 0.62in | 3.75in | 5in | 200,000 LBS | 21,800 LBS | 34 LBS |
| SS956 | 6in | 1in | --- | 5.94in | 3in | 1.75in | 0.5in | 3in | 4in | 100,000 LBS | 14,000 LBS | 23 LBS |
| SS958SJ | 6in | 1.12in | --- | 6.33in | 3.25in | 2in | 0.56in | 3in | 4.12in | 151,000 LBS | 18,210 LBS | 40 LBS |
| SS958SJ | 6in | 1.12in | --- | 6.83in | 3.25in | 2in | 0.56in | 3in | 4.12in | 151,000 LBS | 18,210 LBS | 40 LBS |
| SS150+ | 6.05in | 1in | 6.5in | 6.62in | 2.5in | 1.75in | 0.5in | 3.31in | 4.31in | 100,000 LBS | 15,100 LBS | 16.6 LBS |
| SS864SJ | 7in | 1.25in | --- | 7.25in | 4in | 2.38in | 0.62in | 3.75in | 5in | 200,000 LBS | 21,000 LBS | 31 LBS |
| SS864SJ | 7in | 1.25in | --- | 7.75in | 4in | 2.38in | 0.62in | 3.75in | 5in | 200,000 LBS | 21,000 LBS | 55.2 LBS |
| SS984SJ | 7in | 1.38in | --- | 7.25in | 4in | 2.5in | 0.62in | 3.75in | 5in | 200,000 LBS | 24,000 LBS | 58 LBS |
| SS984SJ | 7in | 1.38in | --- | 7.25in | 4in | 2.5in | 0.62in | 3.75in | 5in | 200,000 LBS | 24,000 LBS | 59 LBS |
| SS994 | 7.000” | 1.38in | --- | 7.25in | 4in | 2.5in | 0.62in | 3.75in | 5in | 200,000 LBS | 27,500 LBS | 60 LBS |
| SS944SJ | 7in | 1.58in | --- | 7.75in | 4in | 2.5in | 0.62in | 3.75in | 5in | 200,000 LBS | 27,500 LBS | 61 LBS |
Please call us for reference chart showing how to take dimensions.
Variations of these chains inlcude 160-X348 Caterpillar Chain, 160/X458 Caterpillar Chain, 160/X678 Caterpillar Chain, and 160/678C caterpillar Chain. These chains are also commonly used in car wash applications and are versions of the chains above that combine with #160 cottered roller chain with attached car wash chain attachments or "dogs".
| Size | (P) | (D) | ( E) | (F) | (T) | (T1) | ( X) | ( B) | Ultimate Strength | Weight (Per Ft) |
| X348 | 3.031in | 0.5in | 1.75in | 1.06in | 0.41in | 0.5in | 0.75in | 0.53in | 24,000 LBS | 2.2 LBS |
| X458 | 4.031in | 0.625in | 2.19in | 1.44in | 0.48in | 0.66in | 1.02in | 0.69in | 48,000 LBS | 3.2 LBS |
| 468 | 4.031in | 0.75in | 3.31in | 1.88in | 0.45in | 1.16in | 1.62in | 0.88in | 70,000 LBS | 7.5 LBS |
| X658 | 6.031in | 0.62in | 2.19in | 1.41in | 0.33in | 0.66in | 1.02in | 0.69in | 48,000 LBS | 2.6 LBS |
| X678 | 6.031in | 0.88in | 3.03in | 2in | 0.72in | 0.84in | 1.31in | 1in | 85,000 LBS | 6.7 LBS |
| 698 | 6.031in | 1.12in | 3.75in | 2.69in | 0.59in | 1.03in | 1.56in | 1.25in | 130,000 LBS | 11.4 LBS |
| 998 | 9.031in | 1.12in | 3.88in | 2.52in | 0.62in | 1in | 1.556in | 1.12in | 130,000 LBS | 9.0 LBS |
| 9118 | 9.031in | 1.38in | 4.88in | 3.12in | 0.75in | 1.38in | 2in | 1.5in | 220,000 LBS | 16.0 LBS |
| 9148 | 9.031in | 1.75in | 5.84in | 3.78in | 0.81in | 1.62in | 2.5in | 1.5in | 300,000 LBS | 27 LBS |
| Chain Size | Center Bar Pitch | Side Bar Pitch | Mix Flex Radius | Tensile Strength | Max Allowable Load | Overall Width | Inside Link Width (W) | Sidebarr= Thickness (T) | Sidebar Height (H) | Pin Dia (D) | Pin Length (L) | Weight per ft |
| DF3498 | 1.7in | 2.5in | 18in | 50,000 LBS | 4000 LBS | 1.45in | 0.64in | 0.31in | 1.4in | 0.63in | 1.45in | 3.9 LBS |
| DF3500 | 2.5in | 3in | 20in | 48,000 LBS | 4000 LBS | 1.5in | 0.63in | 0.25in | 1.25in | 0.57in | 1.46in | 3.3 LBS |
| DF3910 | 3in | 3in | 22in | 48,000 LBS | 4000 LBS | 1.5in | 0.63in | 0.25in | 1.25in | 0.57in | 1.46in | 3.3 LBS |
| NM3500 | 2.5in | 3in | 20in | 27,000 LBS | 725 LBS | 1.5in | 0.63in | 0.25in | 1.25in | 0.57in | 1.46in | 0.81 LBS |
*NM3500 IS THE PLASTIC VERSION OF DF3500
| Chain Size | Style | Pitch | Block Width (W) | Overall Width (C) | Plate Thickness (T) | Pin Diameter ( E) | Working Load 0-100 FPM | Working Load 101-200 FPM | Working Load 201-300 FPM | Weight (Per Ft) |
| B-502 | Solid | 1in | 0.19in | 0.38in | 0.06in | 0.17in | 200 LBS | 182 LBS | 143 LBS | 0.3 LBS |
| B-503 | Solid | 1in | 0.25in | 0.44in | 0.06in | 0.17in | 230 LBS | 209 LBS | 164 LBS | 0.3 LBS |
| B-504 | Solid | 1in | 0.31in | 0.56in | 0.08in | 0.19in | 230 LBS | 209 LBS | 164 LBS | 0.4 LBS |
| B-505 | Solid | 1in | 0.38in | 0.63in | 0.08in | 0.19in | 300 LBS | 273 LBS | 214 LBS | 0.4 LBS |
| B-506 | Solid | 1in | 0.5in | 0.75in | 0.08in | 0.19in | 300 LBS | 273 LBS | 214 LBS | 0.5 LBS |
| L-502 | Laminated | 1in | 0.19in | 0.38in | 0.06in | 0.17in | 200 LBS | 182 LBS | 143 LBS | 0.3 LBS |
| L-503 | Laminated | 1in | 0.25in | 0.44in | 0.06in | 0.17in | 230 LBS | 209 LBS | 164 LBS | 0.3 LBS |
| L-504 | Laminated | 1in | 0.31in | 0.56in | 0.08in | 0.19in | 230 LBS | 209 LBS | 164 LBS | 0.4 LBS |
| L-505 | Laminated | 1in | 0.38in | 0.63in | 0.08in | 0.19in | 300 LBS | 273 LBS | 214 LBS | 0.4 LBS |
| L-506 | Laminated | 1in | 0.5in | 0.75in | 0.08in | 0.19in | 300 LBS | 273 LBS | 214 LBS | 0.5 LBS |
| L505SS | Laminated | 1in | 0.38in | 0.61in | 0.08in | 0.19in | 300 LBS | 273 LBS | 214 LBS | 0.4 LBS |
| Part No. | Pitch | Rooftop Style |
| C55A | 1.631in | A |
| 5CCB | 1.631in | B |
| C55D | 1.631in | D |
| H78A | 2.609in | A |
| H78B | 2.609in | B |
| 81XRT | 2.609in | 81X STYLE |
| NH78RT | 2.609in | 81X STYLE |
| H130 | 4in | CAMELBACK |
| WR78RVCM | 2.609in | REVERSE CAMELBACK |
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