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Woodworking Machines > Planer Moulders & 4-sided Planers > GS-623 Moulder
Gau Jing GS-623 moulder machine with dust extraction hose, spindle heads, and control panel with coloured buttons.
  • Gau Jing GS-623 moulder machine with dust extraction hose, spindle heads, and control panel with coloured buttons.

GS-623 Moulder

Gau Jing
A compact, cast iron four-sider for joinery and small production workshops that need consistent moulded profiles without the footprint or cost of a larger machine. Variable feed from 6 to 40 m/min handles the full range of standard joinery sections, including short and narrow workpieces.

Typically chosen by

  • Joinery and small production shops running moulded profiles who need a reliable four-sider but don't have the floor space or throughput to justify a larger machine
  • Businesses processing short or narrow workpieces — sections that tend to feed poorly through standard four-siders
  • Workshops looking for an entry point into four-sided planing and moulding without stepping up to a heavier, more complex machine
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Key specification considerations

Spindle Count
4 spindles (horizontal + vertical)
Feed Speed
6–40 m/min (variable)
Variable feed lets you match speed to the wood species and profile depth, which matters when switching between hardwoods and softwoods in the same session.
Machine Frame
Cast iron, rib-reinforced
Ribbed cast iron resists vibration better than fabricated steel frames at this size, which helps maintain profile consistency across a run.
Short/Narrow Workpiece Handling
Side front pressure plate fitted (left vertical spindle)
This is a practical feature often absent on entry-level four-siders — it means shorter or narrower sections feed cleanly rather than chattering or stalling.
See full specifications
SpecificationValueNotes
Manufacturer
Gau Jing
Model
GS-623
Machine Type
4-Side Moulder
Frame Construction
Cast iron with reinforced ribs
Spindle Layout
4 spindles (horizontal and vertical) — contact IWM for configuration options
Feed Speed
6–40 m/min (variable)
Variable feed lets you match speed to the wood species and profile depth, which matters when switching between hardwoods and softwoods in the same session.
Max Workpiece Width
230 mm
Max Workpiece Height
160 mm
Min Workpiece Length
Contact IWM to confirm
Spindle Speed
Contact IWM to confirm
Motor Power (total)
Contact IWM to confirm
Confirm available electrical supply (phase and amperage) on site before ordering.
Electrical Supply
3-phase — confirm voltage and Hz with IWM for UK specification
The GS-623 is a three-phase machine; verify your site supply is adequate before ordering.
Extraction Outlet(s)
Contact IWM to confirm diameter and number
Machine Dimensions (L × W × H)
Contact IWM to confirm
Allow additional clearance beyond the machine footprint for infeed, outfeed, and operator access when planning floor space.
Machine Weight
Contact IWM to confirm
Control Layout
All spindle control levers positioned at front of machine
Short/Narrow Workpiece Pressure
Side front pressure plate on left vertical spindle — fitted as standard
CE Marked
Yes
CE marking confirms the machine meets the relevant EU/UK Machinery Directive requirements for guarding and electrical safety as supplied.
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Is this the right
machine for you?

Choose the GS-623 Moulder if...

  • Your workshop runs a mix of profiles and planed sections but doesn't need the throughput or spindle count of a larger production moulder
  • Floor space is limited and you need a compact four-sider that still handles the full range of standard joinery sections up to 230 mm wide and 160 mm deep
  • You regularly process short or narrow workpieces that tend to cause feed problems on simpler machines
  • You want cast iron rigidity and variable feed at an accessible price point, without stepping up to a heavier machine than your volume justifies

Consider an alternate model if...

  • You need a wider processing capacity — the GL-645 handles up to 450 mm width and may be more appropriate for larger section work
  • Your volume or profile complexity has grown to the point where a heavier machine with more spindles makes sense — the GN-5S23 or GN-6S23 are worth discussing
  • Your budget is tighter and a slightly smaller specification would do the job — the GS-423 or GS-523 from the same range may suit
  • You need heavy continuous production rather than batch or short-run work — the GH-623, which runs at significantly higher feed speeds, or the Four-Sided Planer Model 180 PSE may be better matched to that duty cycle
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