products   |   GENTURN   |   78-TTMY

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GEN TURN 78-TTMY machine


8-Axis Mill/Turn Lathe with Twin 16-Tool Turrets

  • L78mm 3” Bar Capacity
  • LTwin 4,000 RPM Opposed Spindles
  • LGlass Scale Feedback on X1 & X2 Axes
  • L32-Driven Tool Positions each station can mount multiple tools
  • L“Y” Axis with 3.936” Travel
  • LSimultaneous Main & Sub-Spindle Machining
$0.00 Down Financing

With Valley Financial Services

GEN TURN 78-TTMY inside
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Machine Specifications


Turning Diameter

7.48” (190 mm) maximum, 6.7” (170mm) standard

Turning Length/Center Distance

15.75” (400mm)  / 36.22” (920mm) between centers

Main Spindle / Sub-Spindle

Spindle nose / Bearing Diameter


Spindle Bar Capacity 


Chuck Size (Optional)

8” with 68mm bore 

Spindle Center Height

46.45” (1,180mm)

Maximum Spindle Speed

60-4,000 RPM (Integral Spindle) 

Spindle Motor Horsepower

30-HP peak, 20-HP (30-minute duty rating) 

Sub Spindle motor horsepower

20-HP peak, 15-HP (30-minute duty rating) 

Live Tool Turrets

Number of Turret Stations

32 (Any combination of 32 ID, OD or Live tool stations)

Index Time (Adjacent Tool / 180° index)

0.2 seconds / 1.2 seconds High-Speed Servo Indexing

Live Power Tool/RPM

7-HP / 6,000 rpm, 14.75 ft. lbs. torque (20Nm)

Tool Size/Collet Size

25mm (for square tool and round tool) / ER-32

Tool Holder Type & Size

BMT-65 Base Mount Tooling

Y, C, & B-Axis

Y-Axis Travel

3.93” of Travel –  ±1.968” off of Centerline (±50mm)  

Y-Axis Rapid Feed Rate

236 Inch Per Minute (6m per minute)

C-Axis Spindle Radial Resolution

360,000 Radial Positions with Full Contouring Capability

B-Axis Distance Between Spindles

36” (914mm)

B-Axis Rapid Traverse Rate

1,573 Inch Per Minute (40m per Minute)

B-Axis Travel

25.59” (650mm)  

Axis Specifications

Axis Travel –  X1, X2 – Axis

X1 5.9” (150mm), X2 9.05” (230 mm) with Glass Scale Feedback

Axis Travel –  Z1, Z2 – Axis

Z1 17.32” (440mm), Z2 17.32” (440mm)

Rapid Travers Rate – X1, X2 -Axis

630 ipm (16 m/minute)

Rapid Travers Rate – Z1, Z2 – Axis

1,573 ipm (40 m/minute)

Minimum Programmable Input 

0.0001” (0.001mm = 40 millionths of an inch)

Fluid Capacity

Hydraulic System

10.5 gallons (40 Liters) with 3-HP (2.2kw) Pump Motor  

Dual Coolant Pumps

2x 1.7 HP Pumps for Tooling & 2 Pumps for Chip Flushing 

Coolant Tank

70-gallon (280 Liters) Coolant Tank


Machine Weight

22,751lbs. (10,320 kgs)

Electrical Requirement

49.5KVA (220vac ±5%, 3-phase, 60 Hz, 130 amps)

Air Requirement

85-psi @ 8-cfm for Parts Catcher, Ejector, Oil Mist Lubricator 

Machine Dimensions

Width 165” / Depth 88”/ Height 84” (Includes Chip Conveyor)

Shipping Dimensions

Width 181” / Depth 90”/ Height 89” 

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U.S.A. Headquarters

Our headquarters is located in Chatsworth, California.

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Our warehouse features a large 4,000 sq. ft. showroom

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Full Customer Support

Fully stocked parts room and training/simulation rooms

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Competitive Financing

We offer competitive financing through our partnering company


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