20-inch Drill Press

Catalog number	1957	1963	1965	1982	1988	1995
20-421 Floor model with production table, No. 2 Morse taper spindle, standard spindle pulley and hand feed; without motor or controls.
70-210 Series 2000 floor model with production table, No. 3 Morse taper spindle, 3:1 reduction low-speed eight-step pulley drive; without motor or controls.

1957	1963	1965	1968	1972	1975	1982	1988	1995

Catalog Number	Kind	HP	RPM	Shaft (in)	Frame	Enclosure	Voltage	Catalog
Single-phase
82-040	—	1.5	1725	7/8 Single	NEMA 145T	Totally enclosed, fan cooled	115/230	1972
82-041	—	1	1725	7/8 Single	NEMA 143T	Totally enclosed, fan cooled	115/230	1972
82-910	Capacitor	3/4	1725	3/4 Double	8 1/2	Guarded Drip Proof	115/230	1963
83-070	—	1	1140	7/8 Single	NEMA 182	Totally enclosed, fan cooled	115/230	1972
83-112	Capacitor	1	1140	3/4 Double	8 1/2	Guarded Drip Proof	115/230	1957
83-510	Capacitor	1	1725	3/4 Single	8 1/2	Guarded Drip Proof	115/230	1963
83-560	Capacitor	1	1725	3/4 Double	8 1/2	Guarded Drip Proof	115/230	1972
84-910	Repulsion Induction	1	1725	3/4 Double	8 1/2	Guarded Drip Proof	115/230	1957
93-610	Capacitor	2	1725	3/4 Single	8 1/2	Guarded Drip Proof	115/230	1963
3-phase
86-040	—	1.5	1725	7/8 Single	NEMA 145T	Totally enclosed, fan cooled	230/460	1972
86-044	—	1	1725	7/8 Single	NEMA 143T	Totally enclosed, fan cooled	230/460	1975
86-045	—	1	1725	7/8 Single	NEMA 143T	Totally enclosed, fan cooled	200	1988
86-047	—	1.5	1725	7/8 Single	NEMA 145T	Totally enclosed, fan cooled	200	1988
86-070	—	1	1140	7/8 Single	NEMA 145T	Totally enclosed, fan cooled	230/460	1975
86-071	—	1	1140	7/8 Single	NEMA 145T	Totally enclosed, fan cooled	200	1988
86-720	—	3/4	1725	3/4 Double	8 1/2	Guarded Drip Proof	208-220/440	1963
86-920	—	1	1725	3/4 Double	8 1/2	Guarded Drip Proof	208-220/440	1957
86-922	—	1	1140	3/4 Double	8 1/2	Guarded Drip Proof	208-220/440	1957
87-120	—	1.5	1725	3/4 Double	8 1/2	Guarded Drip Proof	208-220/440	1957
96-320	—	2	1725	3/4 Double	8 1/2	Guarded Drip Proof	208-220/440	1963

Catalog number	Description	First catalog reference
Feed mechanisms
20-600	Variable-rate power feed for Series 2000 drill presses
20-629	Mechanical power feed for 20-inch drill press
20-642	Power-feed attachment for 20-inch drill press	1961
Mortising attachments
20-640	Mortising attachment for 20-inch drill press with No. 2 Morse taper spindle	1961
Speed attachments
20-630	Slow-speed attachment, No. 2 Morse taper spindle and drive pinion	1961
20-631	Slow-speed attachment, No. 2 Morse taper spindle and No. 3 drive pinion	1961
20-632	Slow-speed attachment, No. 3 Morse taper spindle and No. 2 drive pinion	1961
20-633	Slow-speed attachment, No. 3 Morse taper spindle and drive pinion	1961

Publication type	Catalog numbers	Publication
Parts Manual	20-427	1956
Parts Manual	20-427	1959
Parts Manual	20-427	1963
Parts Manual	20-427	1958
Parts Manual	20-421, 20-425, 20-428, 20-431, 20-435, 20-438, 20-521, 20-525, 20-528, 20-531, 20-535, 20-538	1977
Parts Manual	20-427	1977
Parts Manual	20-427	Unknown year
Parts Manual	20-427	Unknown year
Parts Manual	20-427	Unknown year
Parts Manual	20-431, 20-435, 70-270, 70-280	Unknown year
Parts Manual	20-421, 20-425, 20-427, 20-428, 20-431, 20-435, 20-438, 20-521, 20-525, 20-528, 20-531, 20-535, 20-538	1979
Parts Manual	20-427	1970
Parts Manual	20-427	1963
Instruction and Parts Manual	20-431, 20-435, 20-451, 20-455	1972
Parts Manual	20-427	1970
Parts Manual	20-427	1960
Parts Manual	20-427	1970
Parts Manual	20-427	1972
Parts Manual	20-427	1963

Catalog numbers