Appearances Differ Between Gear Reduction (104-223) and Direct Drive (104-224 and 104-227), However They Interchange Fine. Lester Has Been, Throughout the Years, Bouncing Back and Forth on This Number. These Units Are Fully Interchangeable. If the Direct Drive Were to Be Broken Out, It Would Use Part Number 16808. Later Forklift Models Superseded the Direct Drive 16771 to the OSGR 18061 (Information From Hitachi).