D&D Global 185L1771 Timing Belt - L Section, 869.5mm Wide, 49T, 18.5in 70mm The D&D Global 18/3V1520 is

The D&D Global 18/3V1520 is a standard V-belt featuring Narrow wedge 3V dimensions

v=1630678664"

so a 1820L4 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

com/s/files/1/0666/7721/products/Banded_VF_Belts_738e4211-975d-42d1-a945-213492f45159

D&D Global 185L1771 Timing Belt - L Section, 869.5mm Wide, 49T, 18.5in 70mm The D&D Global 18/3V1520 isThe D&D Global 185L1771 is a synchronous timing belt with L pitch profile, manufactured by D&D Global. This belt uses a standard trapezoidal tooth profile for reliable performance in general purpose synchronous drives. Constructed with Neoprene body and fiberglass cord tensile cord for precise positioning and dependable synchronous power transmission. Specifications Pitch Profile L Pitch 0. 375 in Tooth Profile Trapezoidal Tooth Location Single Side