BobsCNC KL744
Spec
CNC 6040
$750
Price
$800
740 × 440 mm
Work area
600 × 400 mm
85 mm
Z travel
75 mm
900 W
Spindle power
800 W
16 kg
Weight
45 kg
Laser-cut birch plywood with SG20U linear rails
Frame
Cast aluminum with ball screws
GRBL 1.1
Controller
Mach3 / GRBL compatible
UGS, CNCjs, Candle, Fusion 360
Software
Mach3, UGS, CNCjs, Candle

BobsCNC KL744 CNC Router wins 4 of 5 spec categories. Both are similarly priced. The overall scores are virtually tied — the differences are in the details below.

Benchmark Scores

Side-by-side score comparison across all five benchmark dimensions.

62
BobsCNC KL744

Overall

62
CNC 6040
82 Value 85
35 Rigidity 62
55 Precision 58
78 Ease of use 35
48 Capability 60

BobsCNC KL744 CNC Router

Pros

  • Large 740x440mm work area at an excellent price
  • SG20U linear rails provide smooth, accurate motion
  • Well-documented assembly with clear instructions
  • BobsCNC has strong US-based customer support
  • Accepts full-size trim routers for serious cutting power

Cons

  • Plywood frame limits overall rigidity compared to metal frames
  • Router not included -- must purchase separately
  • Plywood is susceptible to humidity changes
  • Not suitable for cutting metals
  • Frame aesthetics are divisive -- looks DIY

CNC 6040 Router

Pros

  • Cast aluminum frame provides excellent rigidity for the price
  • 800W water-cooled spindle cuts hardwoods and aluminum
  • Ball screws on all axes deliver good precision
  • Massive aftermarket parts and upgrade ecosystem
  • Well-documented platform with years of community experience

Cons

  • Quality varies dramatically between sellers and batches
  • No brand warranty or consistent customer support
  • Water cooling system requires setup and maintenance
  • Electrical components may need upgrading for safety
  • Assembly quality requires inspection and adjustment out of the box

Verdict

These routers are evenly matched with 5 wins each. The right choice depends on your specific priorities — compare individual specs and scores above to decide.

Where to Buy

Price-first merchant links with the clearest reason to click first.

Frequently Asked Questions

What is the difference between BobsCNC KL744 CNC Router and CNC 6040 Router?

The BobsCNC KL744 CNC Router ($750) features a 900W spindle with a 740×440mm work area and a Laser-cut birch plywood with SG20U linear rails frame. The CNC 6040 Router ($800) features a 800W spindle with a 600×400mm work area and a Cast aluminum with ball screws frame. Both machines are evenly matched overall.

Which is better value for money — BobsCNC KL744 CNC Router or CNC 6040 Router?

The BobsCNC KL744 CNC Router is $50 cheaper at $750 vs $800. Our value scores rate the CNC 6040 Router higher at 85/100.

Which router is easier to set up and use?

Based on our ease-of-use benchmarks, the BobsCNC KL744 CNC Router scores higher (78/100 vs 35/100). Both support UGS, CNCjs, Candle among other software options.

Related Comparisons