An OSHA-Compliant Training Class Online for Front-end Loaders (Wheel loaders, Payloaders). I-CAB Recognized. This course satisfies OSHA's requirements for the classroom portion of operator safety training. This class covers an introduction to the equipment, a section on anatomy, stability, maintenance and inspections, hazards, safe operation, forks, attachments, and more. Quiz questions along the way prepare you for the final written exam. Upon completion, gain access to and print off your certificate and a checklist which can be used by your employer to observe you on the machine.