Snap-on • 7
Brake Lathes
Operating Specifications
4100
Overall lathe height
17.25”
(438 mm)
Lathe shipping weight
410 lbs
(186 kg)
Floor space requirements - width
48”
(1219.20 mm)
Floor space requirements - deep
34.5”
(901.70 mm)
Spindle to floor
(mounted on optional bench)
39.375”
(1000 mm)
Electrical requirements
115 VAC, 60 Hz, single-phase, fused at 20 amps
(unless otherwise specified)
Spindle motor
1 HP, 60 Hz, 115/230 VAC
Spindle travel
9.875”
(251 mm)
Spindle speed
Inner groove
60 RPM
Middle groove
80 RPM
Outer groove
115 RPM
Spindle feed speed
Infinitely variable
Minimum
0.002 inch per revolution (0.05 mm/rev)
Maximum
0.020 inch per revolution (0.50 mm/rev)
Cross feed speed
Fine
0.002
Course
0.010
Handwheel graduations
0.002 (0.050 mm)
Maximum brake rotor diameter*
14.5” (368.3 mm)
Maximum brake rotor thickness
1.875”
(47.63 mm)
Brake drum diameter
Minimum
6” (152 mm)
Maximum
28” (711 mm)
Maximum drum depth
9.875”
(251 mm)
Maximum load
1” Arbor
100 lbs. (45.36 kg)
1.875” Arbor
200 lbs. (90.72 kg)
* The no. 906936 Cross Feed Extension – increases the maximum rotor diameter to 19” (483 mm).