Yale Service Manuals Class 4 description of the catalogue:

Wiring Diagrams and Service Manuals for Yale ForkLifts CLASS 4

A809 (GC-GLC030-040AF)
A809 (GC-GLC030BF)
A879 (GC-GDC-GLC135-155CA)
A910 (GC-GLC040-GLC070VX)
A910 (GLC20VX, GLC25VX, GLC30VX, GLC35VX)
A967 (GLC050LX)
B809 (GC-GLC030-040AF)
B818 (GC LG)
B818 (GC-GLC070-080LG; GD-GLC100-120MG)
B879 (GC-GDC-GLC135-155CA)
B910 (GC-GLC040-070VX GC-GLC55SVX)
B910 (GLC20VX, GLC25VX, GLC30VX, GLC35VX)
C809 (GC-GLC 030-040 VX-SVX)
C818 (GC-GLC-GDC070-120MJ, GC-GLC-GDC080-120LJ-MJBCS)
C879 (GC135VX, GDC135VX, GLC135VX, GC155VX, GDC155VX, GLC155VX)
C879 (GLC-GDC60VX, GLC-GDC70VX)
D818 (GC-GDC-GLC070-080LJ-LJ-BCS GC-GDC-GLC100-120MJ-MJ-BCS)
D879 (GC-GLC-GDC135VX, GC-GLC-GDC155VX)
D879 (GLC-GDC60VX, GLC-GDC70VX)
E187 (GC-GLC040-050RG)
E187 (GC-GLC050-065TG)
E187 (GC-GLC060-065ZG)
E818 (GC-GLC080-100-120VX, GC-GLC080-100VXBCS, GC120SVX, GC-GLC120V)
E818 (GLC40-45-55VX, GLC55SVX)
E879 (GC-GLC-GDC135VX-155VX)
E879 (GLC-GDC60-70VX)
F818 (GC-GLC080-120 VX, GC-GLC080-100VXBCS, GC-GLC120SVX, GC-GLC120VXPRS)
F818 (GLC40-55VX, GLC55SVX)
F879 (GC-GLC-GDC135VX-155VX)
F879 (GLC-GDC60-70VX)