WEN 3959T 2.5-Amp 9-Inch Benchtop Band Saw: Model Identification, Setup, and Common Repairs
You own a WEN 3959T band saw and you need to identify the model, set it up, or repair it. The WEN 3959T is a 9-inch benchtop band saw with two speeds. You need to know the specifications, setup, and common repairs.
The WEN 3959T is a 9-inch benchtop band saw made by WEN Products. It is similar to the WEN 3959 but adds a two-speed feature. The 3959T is designed for hobby woodworking and light use.
Model Identification
WEN 3959T
| Specification | Value |
|---|---|
| Model | 3959T |
| Type | 9-inch benchtop band saw |
| Throat | 9 inches |
| Resaw capacity | 3-1/2 inches (verify) |
| Blade length | 59-1/2 inches |
| Blade width | 1/8 to 3/8 inch |
| Motor | 2.5 amp, 120V |
| Speed | Two speed, 1520 and 2620 FPM (verify) |
| Table | Aluminum, ~11-3/4 x 11-3/4 inches (verify) |
| Table tilt | 0 to 45 degrees |
| Weight | ~35 to 40 pounds |
| Fence | Included |
| Miter gauge | Included |
How to Identify Your Model
- Find the model number on the label on the saw frame.
- If the label is missing, check for stamped numbers on the frame.
- Measure the blade length. A 59-1/2 inch blade indicates a 3959 or 3959T.
- Check for the two-speed switch. The 3959T has two speeds, while the 3959 has one.
- Contact WEN customer service with any identifying numbers.
Difference Between 3959 and 3959T
| Feature | 3959 | 3959T |
|---|---|---|
| Speed | Single speed | Two speed |
| Speeds | ~2620 FPM | 1520 and 2620 FPM (verify) |
| Motor | 2.5 amp | 2.5 amp |
| Blade length | 59-1/2 inches | 59-1/2 inches |
| Price | 100 to 130 dollars | 120 to 150 dollars |
Setup
1. Unbox and Assemble
- Remove all packaging material.
- Check for shipping damage.
- Assemble any detached parts (table, fence, miter gauge).
- Place the saw on a sturdy workbench.
2. Install the Blade
- Open the wheel covers.
- Release blade tension.
- Install the blade with teeth pointing down (toward the table).
- Apply tension.
- Check tracking.
- Close the wheel covers.
3. Adjust Blade Guides
- Set side guides about 1/32 inch from the blade.
- Set thrust bearing about 1/64 inch behind the blade.
- Set guide post height about 1/4 inch above the workpiece.
4. Adjust the Fence
- Set the fence to the desired width.
- Check that the fence is parallel to the blade.
- Lock the fence.
5. Select the Speed
- Choose the speed based on the material:
- High speed (2620 FPM): Wood and soft materials.
- Low speed (1520 FPM): Plastics, non-ferrous metals, and delicate cuts.
- Change the speed using the speed switch or belt change (verify method).
6. Test Cut
- Turn on the saw.
- Feed a test piece into the blade.
- Check that the cut is straight and the saw is stable.
Blade Selection
The WEN 3959T uses a 59-1/2 inch blade.
Recommended Blades
| Application | Width | TPI | Material | Cost |
|---|---|---|---|---|
| General woodworking | 1/4 inch | 6 TPI | Carbon steel | 10 to 15 dollars |
| Curve cutting | 1/4 inch | 6 TPI | Carbon steel | 10 to 15 dollars |
| Scroll work | 1/8 inch | 14 TPI | Carbon steel | 8 to 12 dollars |
| Thin stock | 3/8 inch | 8 TPI | Carbon steel | 12 to 18 dollars |
Cross-Brand Compatibility
The 59-1/2 inch blade is shared with Ryobi BS900 series, Skil 3104 and 3105, and some Craftsman 9-inch benchtop saws.
Common Repairs
1. Blade Replacement
When: Cuts become rough or blade breaks. Cost: 10 to 18 dollars.
2. Tire Replacement
When: Tires are cracked, hardened, or causing tracking problems. Replacement: Urethane tires for 9-inch wheels. Cost: 15 to 25 dollars per pair.
3. Blade Guide Replacement
When: Guides are worn and blade wanders. Cost: 10 to 20 dollars.
4. Drive Belt Replacement
When: Belt is cracked, stretched, or slipping. Cost: 8 to 15 dollars.
5. Switch Replacement
When: Switch does not work reliably. Cost: 8 to 15 dollars.
6. Motor Replacement
When: Motor does not run, smokes, or makes excessive noise. Cost: 80 to 150 dollars.
Maintenance
Daily: Clean sawdust from table and wheels. Check blade. Weekly: Clean wheel covers. Lubricate guide post. Monthly: Check drive belt tension. Check bolts. Annually: Replace tires if worn. Check bearings. Inspect cord and switch.
Two-Speed Benefits
High Speed (2620 FPM)
Good for wood cutting. Faster cutting but may burn thin or delicate material.
Low Speed (1520 FPM)
Good for plastics, non-ferrous metals, and delicate cuts. Slower cutting but reduces burning and melting.
When to Use Each Speed
| Material | Speed |
|---|---|
| Softwood | High |
| Hardwood | High |
| Plywood | High |
| Plastic | Low |
| Aluminum (thin) | Low |
| Acrylic | Low |
| Delicate wood | Low |
FAQ
What blade does the WEN 3959T use?
A 59-1/2 inch blade in widths from 1/8 to 3/8 inch. Available from Olson Saw, Timber Wolf, and other manufacturers.
What is the difference between the WEN 3959 and 3959T?
The 3959T has two speeds (1520 and 2620 FPM), while the 3959 has a single speed. The 3959T is better for cutting plastics and non-ferrous metals because of the lower speed option.
Where can I find parts for my WEN 3959T?
WEN customer service, Amazon, eBay, and specialty suppliers like Olson Saw and Bandsawparts.com. Blades are widely available.
References
- WEN Products. “3959T Owner’s Manual.” wenproducts.com.
- Olson Saw. “59-1/2 Inch Band Saw Blade Guide.” Olson Saw Company.
- Bandsawparts.com. “9-Inch Band Saw Parts.” bandsawparts.com.
- Fine Woodworking. “9-Inch Band Saw Guide.” Taunton Press.
- Pro Tool Reviews. “WEN 3959T Review.” ProToolReviews.com.
