The HAAS HL-4 is a heavy-duty CNC horizontal lathe designed for machining large-diameter and long-length parts with high precision and reliability. Manufactured by Haas Automation, the HL-4 was built for demanding turning applications in oil and gas, aerospace, automotive, and general industrial manufacturing. The 1998 model remains a practical and cost-effective choice for shops requiring substantial spindle bore capacity and rigid turning performance.
The 1998 HAAS HL-4 typically features a 15-inch hydraulic chuck, a maximum turning diameter of approximately 25.5 inches, and a turning length of up to 40 inches. Standard equipment commonly includes a 2-speed geared spindle with speeds up to 2,000 RPM, a 12-station bolt-on turret, and a powerful spindle motor capable of handling aggressive roughing cuts. The machine is well suited for machining carbon steel, stainless steel, alloy steels, cast iron, and other difficult-to-machine materials.
The HL-4 is commonly used to produce shafts, valve bodies, flanges, rollers, hydraulic cylinders, and heavy industrial components. Its rigid cast-iron construction and large spindle bore allow efficient machining of oversized parts that require accuracy and repeatability.
The 1998 HAAS HL-4 remains attractive in the used CNC market because it provides large turning capacity at a fraction of the cost of newer CNC lathes. With proper maintenance, these machines continue to deliver dependable production performance and excellent long-term value.
HAAS HL-4 SPECIFICATIONS
HAAS HL-4 – AXIS
Number of Axes
2-Axis CNC Turning Center
Axis Configuration
X and Z
Optional C-Axis
Not Standard
Positioning Accuracy
High Precision
Repeatability
Excellent
Machine Type
Heavy-Duty Horizontal Lathe
HAAS HL-4 – AXIS TRAVELS
X-Axis Travel
15 in (381 mm)
Z-Axis Travel
44 in (1,118 mm)
Rapid Traverse Rate
710 ipm
Swing Over Front Apron
Approx. 34 in
Maximum Turning Length
40 in (1,016 mm)
Guideway Type
Box Ways
HAAS HL-4 – CAPACITY
Maximum Turning Diameter
25.5 in (648 mm)
Maximum Turning Length
40 in (1,016 mm)
Chuck Size
15 in Hydraulic Chuck
Bar Capacity
4.0 in (102 mm)
Spindle Bore
Approx. 4.12 in (105 mm)
Industrial Usage
Heavy-Duty Turning
HAAS HL-4 – SPINDLE
Maximum Spindle Speed
2,000 RPM
Spindle Motor Power
40 hp (29.8 kW)
Spindle Type
2-Speed Geared Head
Spindle Nose
A2-11
Torque Output
Very High
Material Removal Capability
Excellent
HAAS HL-4 – TABLE
Machine Configuration
Slant-Bed Lathe
Bed Construction
Cast Iron
Tailstock
Optional
Steady Rest Compatible
Yes
Workholding Options
Chuck, Collet, Faceplate
Machine Rigidity
Excellent
HAAS HL-4 – TOOL TURRET
Turret Capacity
12 Stations
Tool Mounting Style
Bolt-On
Tool Change System
Servo Indexed
Live Tooling
Not Standard
Maximum Tool Size
Heavy-Duty Holders
Turret Type
Hydraulic
HAAS HL-4 – FEEDRATES
Maximum Cutting Feed Rate
Programmable
X-Axis Rapid Feed
710 ipm
Z-Axis Rapid Feed
710 ipm
Servo System
Brushless Digital Servo
Thread Cutting
Standard
Constant Surface Speed
Yes
HAAS HL-4 – COOLANT & CHIP MANAGEMENT
Flood Coolant System
Standard
Coolant Tank
Integrated
Chip Conveyor
Optional
Coolant Filtration
Standard
Washdown Hose
Standard
Automatic Chip Removal
Optional
HAAS HL-4 – CONTROL SYSTEM
CNC Control Brand
Haas CNC Control
Programming Method
G-Code and Conversational
RS-232 Connectivity
Standard
USB Support
Not Standard
Ethernet Capability
Not Standard
User Interface
Operator Friendly
HAAS HL-4 – POWER & AIR REQUIREMENTS
Power Requirement
3-Phase
Voltage
220V / 440V
Air Pressure Requirement
100 psi
Frequency
50 / 60 Hz
Pneumatic Requirement
Yes
Connected Load
Heavy Industrial Power
HAAS HL-4 – DIMENSIONS
Machine Weight
Approx. 18,000 lb (8,165 kg)
Machine Length
Approx. 5,000 mm
Machine Width
Approx. 2,500 mm
Machine Height
Approx. 2,400 mm
Floor Space Requirement
Large Footprint
Installation Type
Reinforced Shop Floor
HAAS HL-4 – GENERAL INFORMATION
Machine Type
Heavy-Duty CNC Horizontal Lathe
Manufacturer
Haas Automation
Country of Origin
USA
Model Year
1998
Primary Application
Large-Part Turning
Automation Ready
Limited
INDUSTRIES THAT USE HAAS HL-4
Oil & Gas
Valve Bodies and Flanges
Aerospace
Structural Components
Automotive
Shafts and Hubs
Energy
Heavy Rotating Parts
General Manufacturing
Custom Turned Components
Defense
Precision Cylindrical Parts
TYPICAL PARTS HAAS HL-4 CAN PRODUCE
Shafts
Yes
Flanges
Yes
Valve Bodies
Yes
Hydraulic Cylinders
Yes
Rollers
Yes
Large Industrial Components
Yes
WHY CHOOSE HAAS HL-4
Large Turning Capacity
Excellent
Geared High-Torque Spindle
Outstanding
Rigid Construction
Excellent
Strong Parts Availability
Extensive
Affordable Used Pricing
Excellent
Resale Value
Good
WHY BUY USED HAAS HL-4
Purchasing a used 1998 HAAS HL-4 is an excellent way to obtain a heavy-duty CNC turning center at a fraction of the cost of a new machine. The HL-4 offers a large chuck size, generous spindle bore, and a high-torque geared spindle, making it ideal for shops that machine oversized steel and alloy components.
Because Haas machines are widely supported, replacement parts and technical service remain readily available. Many older HL-4 machines continue to operate reliably when properly maintained. Buyers should inspect spindle bearings, turret indexing, hydraulic systems, and axis backlash to verify condition.
Used machines often include valuable accessories such as tailstocks, steady rests, tooling, and chip conveyors, all of which can significantly enhance value.
For manufacturers needing large turning capacity and proven reliability, the 1998 HAAS HL-4 remains one of the best values in the used CNC lathe market.
HOW MUCH DOES A USED HAAS HL-4 COST?
MACHINE AGE / CONDITION
ESTIMATED PRICE RANGE (USD)
1995 – 2000 Models
$12,000 – $35,000
2001 – 2008 Models
$25,000 – $60,000
Low Cutting Hours
Premium Pricing
Machines with Tailstock and Steady Rest
Added Value
Machines with Chip Conveyor
Higher Market Value
Refurbished Machines
15% – 30% Higher
Included Tooling and Holders
Added Value
Well-Maintained Machines
Higher Market Value
Excellent Mechanical Condition
Premium Pricing
Fully Operational Under Power
Higher Buyer Confidence
The cost of a used 1998 HAAS HL-4 depends on spindle condition, hydraulic system health, maintenance records, and included accessories. Most machines sell between $12,000 and $35,000, with exceptionally well-maintained or refurbished examples commanding higher prices.
Machines equipped with tailstocks, steady rests, and substantial tooling packages can provide significant additional value. Buyers should also budget for transportation and rigging, as the HL-4 is a large and heavy machine.
For manufacturers seeking a robust CNC lathe for large-diameter parts, the HAAS HL-4 offers excellent performance, durability, and long-term value.