Reliable 4500CW
Cylinder-bed walking-foot lockstitch sewing machine
Reliable lists needle system 135x17 for the 4500CW cylinder-bed walking-foot machine.
Verified compatibility
3 verified relationships.
| Part or system | Relationship | Status | Evidence note |
|---|---|---|---|
| Needle System 135x17 | Officially compatible | CONFIRMED | Reliable lists 135x17 needle system for the 4500CW. |
| Reliable 4500CW Bobbin | Officially compatible | CONFIRMED | Reliable identifies the large REL33T1-027 bobbin for the 4500CW. |
| Reliable SewQuiet 6000SM Servo Motor | Officially compatible | CONFIRMED | Reliable states that the 4500CW is supplied with the SewQuiet 6000SM servo motor. |
Manuals
Verified official manuals matched to this exact machine record.
Machine specifications
- Maximum stitch width
- 5 mm
- Feed
- Walking foot
- Needle system
- 135x17
- Needle size range
- #16 to #23
- Bobbin
- Reliable REL33T1-027 large bobbin
- Maximum speed
- 2,500 RPM
- Maximum stitch length
- 10 mm
- Needle-bar stroke
- 33.4 mm
- Foot lift
- 8.5 mm
- Cylinder-bed diameter
- 47 mm / 1.85 in
- Motor
- SewQuiet 6000SM servo motor
- Lubrication
- Primarily automatic self-oiling, with marked manual oiling points
About this machine
The Reliable 4500CW is a cylinder-bed walking-foot lockstitch machine for medium-to-heavy canvas, leather and synthetics. Reliable's current product page and FAQ specify system 135x17 needles, 2,500 RPM maximum speed, stitches up to 10 mm long and a large REL33T1-027 bobbin.
Maximum speed
Reliable's current exact-model product page and FAQ both give the 4500CW a 2,500 RPM top speed.
This is stitch length, not zigzag width
Reliable describes the 4500CW as a lockstitch walking-foot machine and gives a maximum stitch length of 10 mm.
The FAQ adds useful replacement detail
Reliable identifies the exact large bobbin as REL33T1-027 and says industry-standard welting and zipper feet can be used. The bobbin identifier is safe structured replacement information.
What this machine is used for
- Canvas
- Heavy materials
- Leather
- Synthetic materials
- Curved and tubular medium-to-heavy work
Sources and scope
Compatibility is limited to facts explicitly stated in the cited manufacturer documentation.
- Reliable Sewing Support Centre Reliable Corporation · Official product or support page · Tier 2
- Reliable Corporation product page Reliable Corporation · Product page · Tier 2
- 4500CW Frequently Asked Questions Reliable Corporation · Official support FAQ · Tier 1
Catalog source-link check completed September 2026. This maintenance check did not reverify every factual claim. See how factual verification differs from maintenance checks.