The M-6040 Slipform Paver

Designed with hydraulic variable-width capabilities, the M-6040 slipform paver can change widths under its own power—saving contractors costly downtime and labor.

The M-6040 Slipform Paver
The M-6040 Slipform Paver expands on its own to match the width of your concrete paving project and back down to slim for easy transport.
Miller Formless

Designed to be one of the world’s most versatile and productive concrete slipform paving solutions, the M-6040 from Miller Formless has a dual-telescoping main frame, hydraulic variable-width paving mold, advanced machine control system, and other state-of-the-art features.

The M-6040 consistently produces smooth, high-quality concrete surfaces and maximizes cost-effectiveness and flexibility on projects of all scope and scale. It is the only paver capable of extending from 8 ft. 3 in. to 16 ft. 5 in. wide without frame or mold inserts; for larger jobs, bolt-on mold inserts can be used to expand the system to 20 ft. wide.


  • 9 ft. 4 in. (2.8 m) transport width
  • Extends from 8 ft. 3 in. (2.5 m) to 16 ft. 5 in. (5 m) wide without the need for frame or mold inserts
  • Can pave up to 15 3/4 in. (400 mm) deep
  • For larger paving projects, bolt-on mold inserts can bring expansion to 20 ft. wide in under an hour—without requiring additional frame extensions
  • Accommodates hydraulic vibrators to ensure quality concrete placement
  • Weighs 55,000 lbs. (including mold, pan finisher, and plow)

Download a brochure for the M-6040.


  • CAT C 4.4 176 hp (131 kw) Stage V turbo-charged, air-cooled diesel engine
  • 64 gal (242 l) capacity fuel tank
  • 99 gal (375 l) water tank with high-pressure water/wash system with hose and nozzle
  • Four hydraulically actuated square-to-round leg columns
  • Four steel tracks—5 ft. 3 in. (1.6 m) long and 14 in. (356 mm) wide—with optional poly pads
  • Hydrostatic drive from engine-mounted variable displacement pump to track-frame-mounted motors and gearboxes
  • 22 ft./min. (0 – 6.7 m/min.) operating speed
  • 90 ft./min. (0 – 22 m/min.) travel speed
  • Variable-width plow with telescoping subframe; adjusts with main frame width changes and features variable speed and manual hydraulic depth control
  • Hydraulically adjustable tandem mold with built-in water ballast storage of 105 gal (477 liters) per tank
  • Fifteen hydraulically driven, quick-mount vibrators featuring Vibrator Flow Control and individual variable control from operator’s platform
  • Variable-width pan finisher with telescoping subframe that adjusts with main frame width changes; also comes with transverse and longitudinal speed control and pan lift/weight reduction can be adjusted on control panel
  • Electronic control panel includes two steer sensors and steer wands, four grade-proportional sensors with grade wands, and electronic proportional slope control
  • Manual elevation control switch (mounted at operator’s panel) for leg extension control
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