... drive end. The box is equipped with removable panelsH: ENGINE ADAPTOR AND COUPLING DISC:1. HJI Series generators have two kinds ... construction.2. HJI Series single-bearing, engine adaptor: SAE0, 1, 2, 3 and 4; Coupling discs: SAE8 ... available.3. HJI Series double-bearing, engine adaptor: SAE0, 1, 2, 3, 4 and 5 are available Stanford Brushless Synchronous Generator/Alternator