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“M” Series Mechanical Pit Leveler

Dependable PIONEER Levelers Keep Working for You.

Offering a wide variety of dynamic capacities, the M Series Leveler provides 18″ and 20″ lip options, in addition to many other custom features. Dual 60,000 lb. safety legs provide additional strength and support. Deck and lip are constructed of 55,000 lb. minimum yield steel tread plate. Lip keepers serve as night locks for security and provide safe cross-traffic support when unit is stored. Dock bumpers and grease fittings on lip hinge are standard with each unit.

M-Series Submittal Drawing

Installation Instructions

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    • 55,000 pound minimum yield steel trad plate
    • Structural ā€œCā€ channel deck support beams
    • Dock bumpers and grease fittings on lip hinges are standard
    • Provides 18ā€ and 20ā€ lip options
    • Conveniently located pull chain provides easy activation of the deck and lip
    • Standard working range toe guards and grease fittings on lip hinge
    • Safety legs automatically provide multiple below dock safety points
    • Molded bumpers protect the dock face and leveler from truck impact damage
    • 5 year warranty on structural members

    25,000; 30,000; 35,000; 40,000; 45,000; and 50,000 lbs.

    6′, 6’6″, and 7′ Widths 6′, 8′ and 10′ Lengths
    (Custom Sizes Available)


    • Deck and lip are constructed of 55,000 lb. Minimum Yield Steel Tread Plate.
    • All PIONEER M Series Levelers are exclusively equipped with Solid Steel Structural “C” Channel for maximum deck support. Each beam is fully welded to a Full-width Header Plate at the front of the Leveler.
    • Direct Extension Spring Design has no moving parts – nothing to service!
    • Extra Heavy Rear Angle with Strategically Placed Gussets provides maximum structural support and frame strength.
    • Laminated Bumpers included to protect dock face and Leveler from truck damage.
    • Continuous Hinge Design with Grease Fittings included as standard.


    • Front and rear Forklift Slots provide easy access for maneuvering and installation. Side Ports allow unit to be suspended and lowered into pit from dock floor.
    • Custom engineered Rear Angle is two inches wider than the Leveler, providing extra area to weld at both ends.


    • Conveniently located Pull-chain provides easy activation of deck and lip.
    • Direct extension Spring Counterbalance provides easy walk-down.
    • Operating Range of 12″ above and 12″ below dock allows Leveler to be recycled with the truck in position.
    • Automatic, positive lip extension with yieldable lip (Hydra-Lip) standard.


    • Maintenance Struts are a standard feature on all M Series Levelers.
    • Positive Hold-down Device allows up and down float when in service.
    • PIONEER’s Counterbalance System operates on simple, Direct Extension Spring Design with no moving parts. Adjustment Nut is located at the front of the Leveler for safe, easy access.
    • Lip Keepers serve as night locks for security, and provide safe Cross-traffic Support when unit is stored. Deck tilts to a maximum of 4″ from side to side to compensate for unlevel trucks.
    • Safety Legs automatically provide below dock support in event of premature truck departure.
    • Toe Guards protect workers from injury during loading and unloading.
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