USED HAAS SL20T – 1999
The 1999 HAAS SL20T is a proven CNC turning center that helped establish the HAAS SL Series as one of the most successful and widely used lathe platforms in North America. Designed for flexibility, reliability, and cost-effective production, the SL20T offers manufacturers a durable turning solution capable of handling everything from prototype work to medium- and high-volume production runs. Its rigid construction, powerful spindle, and user-friendly control system continue to make it a desirable machine in today’s used CNC equipment market.
Manufactured during a period when Haas was rapidly expanding its presence in the CNC industry, the SL20T was built to deliver dependable performance without the complexity and cost associated with many premium turning centers. The machine’s slant-bed design improves chip evacuation, enhances rigidity, and provides excellent accessibility for operators. This configuration allows shops to machine a broad range of components while maintaining tight tolerances and consistent surface finishes.
The SL20T is particularly well suited for machining shafts, bushings, hydraulic fittings, couplings, valve components, aerospace hardware, and general precision-turned parts. Its robust spindle system provides the torque required for aggressive roughing operations while still delivering the speed necessary for precision finishing work. The machine’s 10-station turret allows operators to perform multiple operations in a single setup, reducing cycle times and increasing overall productivity.
A major advantage of the 1999 SL20T is its straightforward maintenance and operation. Many shops continue to run these machines daily because of their durability, availability of replacement parts, and the simplicity of the Haas control platform. For manufacturers looking to add reliable CNC turning capacity at an affordable price, the SL20T remains a practical and productive investment.
Even more than two decades after its introduction, the HAAS SL20T continues to demonstrate why it became one of the most recognized CNC turning centers in the industry.
HAAS SL20T – AXIS
| SPECIFICATION | DETAILS |
|---|---|
| Axis Configuration | 2-Axis CNC Turning Center |
| X-Axis Travel | 8.45″ |
| Z-Axis Travel | 20″ |
| Rapid Traverse X | 710 IPM |
| Rapid Traverse Z | 710 IPM |
| Machine Structure | Slant-Bed Design |
HAAS SL20T – WORK CAPACITY
| SPECIFICATION | DETAILS |
|---|---|
| Maximum Cutting Diameter | 10.3″ |
| Maximum Turning Length | 20″ |
| Swing Over Front Apron | 20.5″ |
| Bar Capacity | 2.0″ |
| Chuck Size | 8.3″ Hydraulic Chuck |
HAAS SL20T – SPINDLE
| SPECIFICATION | DETAILS |
|---|---|
| Maximum Spindle Speed | 4,000 RPM |
| Spindle Motor Power | 20 HP |
| Spindle Nose | A2-6 |
| Spindle Bore | 2.31″ |
| Drive Type | Vector Drive System |
HAAS SL20T – TURRET
| SPECIFICATION | DETAILS |
|---|---|
| Turret Capacity | 10 Stations |
| Turret Type | Automatic Servo Turret |
| Indexing System | Bidirectional |
| Tool Configuration | Turning, Boring & Drilling |
| Tool Mounting | Bolt-On Tool Holders |
HAAS SL20T – CONTROL SYSTEM
| SPECIFICATION | DETAILS |
|---|---|
| CNC Control | Haas CNC Control |
| Programming Method | G-Code |
| Memory Capacity | Standard Haas Memory |
| Communication | RS-232 Interface |
| Conversational Features | Available |
HAAS SL20T – COOLANT / CHIP MANAGEMENT
| SPECIFICATION | DETAILS |
|---|---|
| Coolant System | Flood Coolant |
| Lubrication System | Automatic |
| Chip Collection | Internal Chip Tray |
| Chip Conveyor | Optional |
| Production Capability | Continuous Operation |
HAAS SL20T – POWER REQUIREMENTS
| SPECIFICATION | DETAILS |
|---|---|
| Voltage Requirement | 220V / 440V |
| Electrical Supply | 3 Phase |
| Air Requirement | 80–100 PSI |
| Estimated Power Consumption | 25 kVA |
| Installation Type | Industrial Manufacturing Facility |
HAAS SL20T – DIMENSIONS
| SPECIFICATION | DETAILS |
|---|---|
| Machine Length | Approx. 130″ |
| Machine Width | Approx. 70″ |
| Machine Height | Approx. 75″ |
| Approximate Weight | 8,000 lbs |
| Floor Space Requirement | Moderate Footprint |
HAAS SL20T – GENERAL INFORMATION
| SPECIFICATION | DETAILS |
|---|---|
| Manufacturer | Haas Automation |
| Model | SL20T |
| Year | 1999 |
| Machine Type | CNC Turning Center |
| Country of Manufacture | USA |
INDUSTRIES THAT USE HAAS SL20T
| INDUSTRY | APPLICATIONS |
|---|---|
| Aerospace | Precision Hardware |
| Automotive | Production Components |
| Oil & Gas | Valve & Fitting Parts |
| Agriculture | Mechanical Components |
| Energy | Rotational Parts |
| General Manufacturing | Production Turning |
TYPICAL PARTS HAAS SL20T CAN PRODUCE
| PART TYPE | DESCRIPTION |
|---|---|
| Shafts | Precision Rotating Components |
| Bushings | Wear-Resistant Parts |
| Hydraulic Fittings | Fluid System Components |
| Valve Bodies | Industrial Flow Components |
| Couplings | Mechanical Power Transmission Parts |
| Threaded Components | Production Hardware |
WHY CHOOSE HAAS SL20T
| FEATURE | BENEFIT |
|---|---|
| Proven SL Series Design | Long-Term Reliability |
| 20 HP Spindle | Strong Metal Removal Capability |
| 10-Station Turret | Multi-Operation Machining |
| Slant-Bed Construction | Improved Chip Flow |
| Haas Control | Easy Training & Operation |
| Compact Footprint | Efficient Shop Utilization |
WHY BUY USED HAAS SL20T
A used 1999 HAAS SL20T remains an excellent option for shops looking to expand CNC turning capacity without making a major capital investment. The machine was designed to provide dependable production performance while remaining easy to operate and maintain, making it particularly attractive for small and medium-sized manufacturing facilities.
One of the biggest advantages of the SL20T is its versatility. The machine can efficiently produce a wide variety of parts across multiple industries, from simple shafts and bushings to more complex hydraulic and aerospace components. Its combination of spindle power, turret capacity, and work envelope allows manufacturers to tackle diverse production requirements with confidence.
The machine’s slant-bed design contributes significantly to its performance. Improved chip evacuation helps reduce downtime, while the rigid structure minimizes vibration during heavy cutting operations. These characteristics contribute to longer tool life, improved surface finishes, and consistent dimensional accuracy.
Another key benefit is the widespread support available for Haas equipment. Replacement parts, service technicians, operator training resources, and aftermarket tooling remain readily available, making long-term ownership practical and cost-effective. Many shops continue to operate late-1990s Haas machines successfully because of their straightforward mechanical design and proven reliability.
For manufacturers seeking a dependable CNC turning center with a strong track record and affordable acquisition cost, the HAAS SL20T remains one of the best values in the used machinery market.
HOW MUCH DOES A USED HAAS SL20T COST?
The value of a used 1999 HAAS SL20T varies depending on machine condition, spindle hours, maintenance history, tooling inventory, and installed options. Machines that have been regularly serviced and include tooling packages, chip conveyors, bar feeders, or upgraded workholding systems typically command higher prices.
Buyers commonly evaluate spindle condition, turret performance, machine geometry, lubrication systems, control functionality, and overall maintenance records when determining value. Machines with documented service histories and strong operating condition generally achieve better market pricing.
A used 1999 HAAS SL20T commonly sells within an estimated range of $10,000 to $28,000, depending on condition, tooling, spindle hours, and included accessories. Exceptionally clean machines with extensive tooling packages and documented maintenance records may achieve values near the upper end of the range.
Even after accounting for transportation, rigging, installation, tooling, and maintenance costs, the HAAS SL20T continues to provide excellent value by delivering reliable CNC turning capability, proven production performance, and long-term durability at a fraction of the cost of a modern CNC lathe.
