Leather sewing machines, needle and thread

Please refer to this list for the combinations of sewing machines (www.cowboysew.com), needles and threads that will bring the best result to saddle makers, harness makers and Leather Craftsman: 
Sewing machines:Cowboy 7205AE, 7441AE, Durkopp Adler 205-370, Adler 205-374, Juki TSC 441 
Needle system: 794S (leather) or 7×3 (Nylon) 
Needle size: #120 Thread size (top/bottom): 69/69 Needle size: #140 Thread size (top/bottom): 138/138 Needle size: #160 Thread size (top/bottom): 138/138 
Applications: Leather (purses, belts, etc) or light weight nlon Needle size: #180 Thread size (top/bottom): 207/138 Needle size: #200 Thread size (top/bottom): 207/207
Applications: Single layer coated webbing Needle size: #200 Thread size (top/bottom): 277/207 
Applications: Nylon (halters, collars, leashes) Needle size: #230 Thread size (top/bottom): 277/207 
Applications: Double or triple layer coated webbing Needle size: #230 Thread size (top/bottom): 277/277 Applications: Medium to heavy leather items Needle size: #230 Thread size (top/bottom): 346/277 Applications: Heavy leather items Needle size: #250 Thread size (top/bottom): 346/277 Applications: 1/2” to 5/8” thick material Needle size: #250 Thread size (top/bottom): 415/346 Applications: 3/4” to 1” thick material, safety equipment Sewing machines: Cowboy 7205AE, 7441AE, Durkopp Adler 205-370, Adler 205-374, Juki TSC 441 Needle system: 794LR (leather) Needle size: #160 Thread size (top/bottom): 138/69 Applications: Leather (purses, belts, etc) or light weight nlon Needle size: #180 Thread size (top/bottom): 207/138 Applications: Single layer coated webbing Needle size: #200 Thread size (top/bottom): 277/207 Applications: Nylon (halters, collars, leashes) Needle size: #230 Thread size (top/bottom): 346/277 Applications: Heavy leather items Needle size: #250 Thread size (top/bottom): 415/346 Applications: 3/4” to 1” thick material, safety equipment Sewing machines: Cowboy 7132UL, Cowboy 7105, Adler 205-64, 204-64, Adler 105-64, 104-64, 104-2 Needle system: 328S (leather) or 328R (Nylon, polypropylene, coated webbing and canvas) Needle size: #140 Thread size (top/bottom): 69/69 Needle size: #160 Thread size (top/bottom): 138/69 Needle size: #180(S oly) Thread size (top/bottom): 207/207 Needle size: #200 Thread size (top/bottom): 207/207 Applications: Leather (purses, belts, etc) or light weight nlon Needle size: #200 Thread size (top/bottom): 277/207 Applications: Nylon (halters, collars, leashes) Needle size: #230 Thread size (top/bottom): 277/277 Applications: Medium to heavy leather items Needle size: #230 Thread size (top/bottom): 346/277 Applications: Heavy leather items Needle size: #250 Thread size (top/bottom): 346/277 Applications: 1/2” to 5/8” thick material Needle size: #250 Thread size (top/bottom): 415/346 Applications: 3/4” to 1” thick material, safety equipment Sewing machines: Cowboy 740, Adler 267-373, 167-373 Needle system: 13435D (leather) or 13435R(Nylon, polypropylene, coated webbing and canvas) Needle size: #100 Thread size (top/bottom): 69/69 Needle size: #120 Thread size (top/bottom): 69/69 Needle size: #140 Thread size (top/bottom): 138/69 Needle size: #160 Thread size (top/bottom): 138/138 Needle size: #180 Thread size (top/bottom): 138/138 Needle size: #200 Thread size (top/bottom): 207/2138 Applications: Leather (purses, belts, etc) or light weight Nylon, shoes repair Sewing machines: Cowboy 7972, Adler 30-10, 30-50, 30-70, Singer 29K shoe patch machine Needle system: 332LG (Nylon and leather) Needle size: #120 Thread size (top/bottom): 69/69 Needle size: #130 Thread size (top/bottom): 92/69 Needle size: #160 Thread size (top/bottom): 92/69 Needle size: #180 Thread size (top/bottom): 92/69 Applications: Leather (purses, belts, etc) or light weight Nylon, shoes repair Sewing machines: Cowboy 74400, 74420, Juki LU1508, Mitsubishi LU2-4400-BOB & LU2-4420-BOB Needle system: 135×16D (leather) or 135×17R (Nylon) Needle size: #100 Thread size (top/bottom): 69/69 Needle size: #120 Thread size (top/bottom): 69/69 Needle size: #125 (16K only) Thread size (top/bottom): 99/69 Needle size: #140 Thread size (top/bottom): 99/69 Needle size: #160 Thread size (top/bottom): 138/99 Needle size: #180 Thread size (top/bottom): 138/138 Needle size: #200 Thread size (top/bottom): 207/138 Applications: Leather (purses, belts, etc) or light weight Nylon, shoes repair