NEW 2025 WILLIS PK40120-10

WILLIS PK40120-10 mammoth Heavy Duty Big Bore Lathe, Swing 40"; CC 120"; Hole Thru 10"
The Willis PK40120 engine lathe is a heavy-duty, big-bore machine with a 40-inch swing and 120-inch distance between centers, featuring a 40 HP motor, large 12-inch spindle bore, and heavy construction (around 23,000 lbs), designed for large diameter and long workpieces, with specific dimensions like a 29" swing over cross-slide and various speeds up to 600 RPM.
Standard features
 30HP spindle motor
 Hardened and ground alloy steel gears and shafts in the headstock
 Electromagnetic spindle brake
 Single piece bed casting resting entirely on the floor with hardened and ground
ways to at least 450 Brinell
 3 hardened and ground bed ways. 2 ways are located on the top of the bed and
support the carriage, while the 3 rd bed way is located on the front lower part of the
bed and supports the apron, which reduces any cantilever effect. Also provides
additional support when turning large O.D. parts.
 Hardened and ground cross slide ways
 Automatic lubrication for the ways and lead screws
 6 ways power feed (carriage, crosslide, and compound), compound power feed is
ideal for cutting steep tapers, chamfers, etc.
 6-way rapid traverse (carriage, crosslide, and compound)
 Natural and removable gap bed
 Universal gearbox with forced lubrication and safety clutch
 60 standard inch and 60 standard metric threads
 Massive tailstock body ensures stability under heavy loadsK40120
 2 speed hardened and ground tailstock quill is convenient for fast positioning or
drilling
 Low volt control
 4 way tool post
 Thread chasing dial
 Coolant system
 Halogen work light
 Toolbox and tools

Swing over the bed (inches) 40
Swing over crosslide(inches) 29
Swing over the gap(inches) 57
Distance between centers 118” / 3m
Load betewwn Centers Without Steady Rest 7,700 Lbs
Spindle bore, A2-15, 18 speeds 10"
Spindle motor 30 HP
Spindle Nose A2-11
Thread range inch (60) 0.5 - 28 TPI
Thread range metric (60) 1 - 56mm
Longitudinal feeds “/rev 0.0018 - 0.1
Cross feeds “/rev 0.001 - 0.05
Longitudinal rapid traverse 80 “/min
Crossfeed rapid traverse 40 ”/min
Crosslide travel 26”
Compound travel 15”
Tailstock quill diameter 4 1/2”
Tailstock taper 6MT bed width 22”
Weight (120” center distance) 24,000 lbs.

Standard Accessories:
Thread chasing dial
2-speed tailstock quill (manual)
1 dead center, MT #6
Coolant pump
Work lamp
Follow type splash guard
One piece stainless steel lead screw cover
Water and oil collect plate under apron
Rear side chip and water collect plate

OPTIONAL SPINDLE BORES AND ACCESSORIES Price Tariff
Rear chuck adaptor, 10” bore $ 4,880 $ 590
Infinitely Variable Spindle Speeds $14,210 $1,710
Alternative spindle bores available POR
Steady rest, roller type (400mm capacity) $6,810 $ 820
Steady rest, roller type (350-700mm capacity) $7,410 $ 890
Roller Supporter POR
Follow rest, 300mm capacity, brass tip $3,660 $ 440
145mm tailstock quill in lieu of standard $4,670 $ 570
160mm tailstock quill in lieu of standard POR
235mm tailstock with rotary quill (live) in lieu of standard $10,150 $1,220
Taper turning attachment $12,180 $1,470
Semi-auto cycle and Hydraulic Taper/Copy System $45,680 $5,490
40HP spindle motor in lieu of standard motor POR
40HP motor, 50HP inverter for VS machines in lieu of standard POR
Newall NMS800 2 axis DRO, installed with Display built into
control panel on the carriage $7,920 $ 960
Full length rear splashguard with full length chip conveyor $14,210 $1,710
28” steel body 4 jaw chuck with 2 piece jaws, A2-15 mount (Taiwan) POR
34” steel body 4 jaw chuck with 2 piece jaws, A2-15 mount (Taiwan) $11,170 $1,350

European Built Lathe Chucks (Bison), direct mount
25” 3 jaw, steel body, 9.9” hole, A2-15 mount $18,590
25” 3 jaw Xtra Heavy Duty, steel body, 10.7” hole, A2-15 mount $22,920
32” 3 jaw Xtra Heavy Duty, steel body, 10.7” hole, A2-15 mount $37,680
25” 4 jaw, steel body, 10.5” hole, A2-15 mount, extra heavy duty $13,820
28” 4 jaw, steel body, 10.5” hole, A2-15 mount, extra heavy duty $18,810
32” 4 jaw, steel body, 10.5” hole, A2-15 mount, extra heavy duty $24,770