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USED 2025 SUMMIT 20-4 X 60A

Overview
Manufacturer:
SUMMIT
Year:
2025
Stock #:
28969
Description

One New Summit 20-4 x 60A Precision Engine Lathe

Specifications:

Swing over bed 20”

Swing over cross slide 13 ¼”

Swing over gap 30”

Length of gap 11 ¾”

Length of gap in front of 4 jaw chuck 4 ¼”

Workpiece Weights:

At the headstock 330 lbs.

Between centers 990 lbs.

Between centers w/ steady rest 1,760 lbs.

Headstock:

Spindle speeds (no.) range RPM (12) 32-1500

Hole through spindle 4”

Spindle nose D1-8 Camlock

Headstock Center #5 MT

Quick Change Gearbox:

Threads per inch (no.) range (45) 2 - 72

Metric threads (no.) range (42) .2 - 14

Module threads (no.) range (18) .3 – 3.5

Diametral Pitch (no.) range (21) 8 – 44

Longitudinal feeds (no.) range (32) .002” - .0400”

Cross feeds (no.) range (32) .001” - .0200”

Leadscrew (Dia.) range (1.3/8”) 4 TPI

Feed Rod diameter 1”

Carriage & Apron:

Cross slide travel 11 ½”

Compound rest travel 5”

Graduation of apron Handwheel .010”

Graduation of cross slide Handwheel .002”

Tailstock:

Travel of spindle barrel 6”

Diameter of spindle barrel 3”

Taper of center #5 MT

Bed:

Width of bed 13”

Hardness of bed (Rockwell C) 44 - 50

Taper Attachment:

Degrees of taper +/- 10 Degrees

Maximum turning length per setting 16”

Motors:

Main Drive 10 HP

Coolant pump 1/8 HP

Steady and Follow Rest:

Steady rest ½” – 5 ¾”

Follow rest 3/8” – 3”

Shipping Data:

Overall width 44”

Overall height 65”

Overall length 114”

Weight 5590 lbs

Standard Features:

Big 4” thru hole

4 way rapid traverse

2 speed Tailstock

4 position bed stop

Automatic lubrication system

Inch/metric threads w/single switch lever

Cuts most inch/metric threads without change gears

Hardened & ground Bedways

Forced lubrication to the headstock, carriage

and Bedways

Removable gap

Precision (3) bearing spindle

Included Accessories:   Steady Rest, Follow Rest, Thread Dial, Coolant System, Taper Attachment,  3 Jaw Chuck, 15 ¾” 4 Jaw Chuck, Carriage Stop, Work Light, Full Length Splash Guard, Chuck Guard

Options:

12” Steel Body 3-Jaw Precision Chuck w/2 Piece Reversible Jaws in Lieu of Standard Chuck $2,600

Aloris Quick Change Tool Post w/Holders (2#1, 2#2) $1,400

Fagor 2 Axis Digital Readout Installed $3,150

Electrics:

220/440/3/60 (Must Specify Voltage)

FOB:   Oklahoma City, Oklahoma

Price:  Standard Machine  $30,990.00  plus freight

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