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Black Max Drive Line Coupler



Universal Heavy-Duty Drive Line Coupler With In-Flex™ Technology

Raven Smart™

Technology of Modern Design



  • Our die-cast anodized aluminum body coupled with an In-Flex Disc adds the strength and flexibility that is ideal for today’s mechanized irrigation systems with large tires, 4×4 corner machines and corner-steering gear boxes
  • In-Flex™ Thermoplastic Disc is 30% more flexible than the competitive brands
  • In-Flex™ technology keeps gear boxes and centerdrives running longer
  • Pre-Assembled for easy one-size wrench installation
  • Universal Design – Fits 3/4”, 7/8” and 1” square shafts
  • Fits under most driveline covers for maximum safety
PDLTTBM Fits 3/4″, 7/8″ and 1″ square shaft
PDLTTBM-SL Replacement Shaft Lock
PDLDISC-BM Replacement Disc


Black Max™ driveline couplers are torque-tough for today’s extreme field conditions. Try one today and give it your own torque-tough test.