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Engineering Class Drive Chain

Keep Your Operation Moving with U.S. Tsubaki Chain

U.S. Tsubaki Drive Chains are designed to exceed the listed ultimate strength ratings. These ratings are very significant. Chains with greater ultimate strength have higher actual yield and greater fatigue strength. With U.S. Tsubaki chains, you get extra reserve strength to withstand high shock loads.

Precision Manufacturing Means Greater Fatigue Strength
U.S. Tsubaki Engineering Class Drive Chains are built to withstand the most rugged conditions. We use the latest manufacturing and heat-treating techniques to manufacture every component. Each component is carefully machined to close tolerances to ensure precise pitch control for smooth sprocket/chain interaction. That means longer service life for chain and sprockets.

Add the Power of Alloy
When parts require extra hardness, we use alloy steel to make the components. This provides more uniform core strength, which is particularly important for heavy duty applications. Every U.S. Tsubaki Drive Chain with an ultimate strength rating higher than 112,000 pounds is made entirely of alloy steel. All U.S. Tsubaki Drive Chains are furnished with alloy steel pins.

Reduce Maintenance Costs and Downtime
U.S. Tsubaki Drive Chains stand up to the toughest environments for hour after hour of uninterrupted service.
  • Optimum strength
  • Fatigue resistant
  • Pre-tested
  • Alloy steel parts
  • Press fit construction
  • Accurate pitch control
Your equipment is on the line. Count on U.S. Tsubaki Chain.
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Item #


G - Pin Diameter

D - Roller Diameter

E - Inside Width

T - Sidebar Thickness

H - Sidebar Height

Average Ultimate Strength

Max. Work Load

344SXX N/A 3.000 in N/A 0.940 in N/A 1.780 in N/A 1.940 in N/A 0.560 in N/A 2.380 in N/A 170000 lb N/A 10050 lb
US-4031 N/A 4.000 in N/A 1.250 in N/A 2.500 in N/A 2.750 in N/A 0.630 in N/A 3.500 in N/A 310000 lb N/A 17500 lb
US-1353 N/A 4.090 in N/A 1.310 in N/A 2.630 in N/A 2.250 in N/A 0.630 in N/A 3.500 in N/A 210000 lb N/A 16000 lb
US-5042 N/A 5.000 in N/A 1.500 in N/A 3.000 in N/A 3.000 in N/A 0.750 in N/A 4.000 in N/A 420000 lb N/A 23600 lb
US-6566 N/A 6.500 in N/A 1.750 in N/A 3.500 in N/A 3.250 in N/A 0.880 in N/A 6.000 in N/A 600000 lb N/A 30600 lb
US-7080 N/A 7.000 in N/A 2.130 in N/A 4.500 in N/A 3.250 in N/A 0.880 in N/A 6.000 in N/A 800000 lb N/A 37150 lb
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