Owner's Manual

T-8420B, 8450B, 8720B, 8750B
2. MACHINE SPECIFICATIONS
2
2. MACHINE SPECIFICATIONS
F 3 5
Use For foundation
For light-weight and
medium- weight
materials
For heavy-weight
materials
0 3
Lubrication type Minimum lubrication Semi dry
2 5
Stitch function Fixed needle bar Split needle bar
4 7
Rotary hook Standard hook Large hook
T-8420B
-00F -03F -003 -033 -005
Max. sewing speed 4,000 rpm 3,000 rpm 4,000 rpm 3,000 rpm 3,000 rpm
Max. stitch length 4 mm 5 mm
Lifting lever 7 mm Presser foot
height
Knee lifter 13 mm
Feed dog height 1 mm
Needle (DP×5)
#9–#14 #11–#16 #14–#22
T-8720B, 8750B
-003 -005
Max. sewing speed 3,000 rpm
Max. stitch length 7 mm
Lifting lever 7 mm Presser foot
height
Knee lifter 13 mm
Feed dog height 1 mm
Needle (DP×5)
#11–#16 #14–#22
T-8450B
-003 -005
Max. sewing speed 3,000 rpm
Max. stitch length 5 mm
Lifting lever 7 mm Presser foot
height
Knee lifter 13 mm
Feed dog height 1 mm
Needle (DP×5)
#11–#16 #14–#22