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Serco® Vehicle Restraint shave introduced a new level of safety and security to loading docks in thousands of warehouses and distribution centers by integrating powerful and effective restraints with instantaneous, clear, non-verbal communications systems.

Serco provides a complete line of non-impact, low-profile restraints to fit virtually any application and budget.

The rugged, low profile, non-impact design of the Serco PitBull Safety-Loc provides predictable performance capable of engaging virtually any rear impact guard configuration to ensure the highest level of safety, versatility and reliability at the loading dock. With its 9" stored height, the PitBull is an ideal solution for truly low-profile applications such as decline approaches and special trailer configurations.

The PitBull has a bite that locks on tight, engaging a trailer’s rear impact guard and securing it more effectively than rubber wheel chocks. This provides forklift operators with a solid and secure platform for moving goods.
Serco PitBull Safety-Loc restraints are most compatible with the new rear impact guards because of their non-impact, low-profile design.

As of January 1, 1998, the National Highway Transportation Safety Administration requires that all semi-trailers be equipped with rear impact guards following these guidelines:
  • Maximum 22" off of grade
  • Minimum 4" x 4"
  • Must be capable of 5" inward flex for energy absorbtion
Serco® PitBull® Safety-Loc® Vehicle Restraints
Serco® PitBull® Safety-Loc® Vehicle Restraints secondary
Unit of Measure
Items Serco® PitBull® Safety-Loc® Vehicle Restraints
item-1116
PitBull® SL10 Low Profile Mechanical Safety-Loc® Vehicle Restraint
Serco® PitBull® Safety-Loc® Vehicle Restraints
item-1117
PitBull® SL20 Low Profile Mechanical Safety-Loc® Vehicle Restraint
Serco® PitBull® Safety-Loc® Vehicle Restraints
item-1118
PitBull® SL40 Low Profile Mechanical Safety-Loc® Vehicle Restraint
PitBull® SL90 Low Profile Powered Safety-Loc® Vehicle Restraint
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PitBull® SL60 Low Profile Powered Safety-Loc® Vehicle Restraint
PitBull® SL90 Low Profile Powered Safety-Loc® Vehicle Restraint
item-1120
PitBull® SL70 Low Profile Powered Safety-Loc® Vehicle Restraint
Description N/A PitBull® Safety-Loc® Mechanical Restraints are manually activated and offer lower day-to-day operating costs, higher up-time performance and operational simplicity. Most units can be combined with a light communication package for clear communication. N/A PitBull® Safety-Loc® Mechanical Restraints are manually activated and offer lower day-to-day operating costs, higher up-time performance and operational simplicity. Most units can be combined with a light communication package for clear communication. N/A PitBull® Safety-Loc® Mechanical Restraints are manually activated and offer lower day-to-day operating costs, higher up-time performance and operational simplicity. Most units can be combined with a light communication package for clear communication. N/A PitBull® Safety-Loc® Powered Restraints provide automatic push-button activation with advanced electronics and communication systems for increased dock safety and security. Driveway- or wall-mounted units available. N/A PitBull® Safety-Loc® Powered Restraints provide automatic push-button activation with advanced electronics and communication systems for increased dock safety and security. Driveway- or wall-mounted units available.
Standard Features N/A
  • Compatable with 1998 NHTSA ICC Bar Regulations
  • Driveway Mount Capability
  • Dual Locking Positions at 7" and 11"
  • Low Profile
N/A
  • Compatable with 1998 NHTSA ICC Bar Regulations
  • Driveway Mount Capability
  • Dual Locking Positions at 7" and 11"
  • LED Interior & Exterior Communication Lights
  • Low Profile
  • Manual Light Communication
N/A
  • Advanced Safe Engagement Signaling
  • Automatic Light Communication Package
  • Compatable with 1998 NHTSA ICC Bar Regulations
  • Driveway Mount Capability
  • Dual Locking Positions at 7" and 11"
  • LED Interior & Exterior Communication Lights
  • Low Profile
N/A
  • Advanced Communication Package
  • Advanced Safe Engagement Signaling
  • Auto-Reverse (if no RIG)
  • Auxiliary Power Down
  • Compatable with 1998 NHTSA ICC Bar Regulations
  • Driveway Mount Capability
  • Dual Locking Positions at 7" and 11"
  • LED Interior & Exterior Communication Lights
  • Low Profile
  • Programmable Controller (PLC)
N/A
  • Advanced Communication Package
  • Advanced Safe Engagement Signaling
  • Auto-Reverse (if no RIG)
  • Auxiliary Power Down
  • Compatable with 1998 NHTSA ICC Bar Regulations
  • Driveway Mount Capability
  • Dual Locking Positions at 7" and 11"
  • LED Interior & Exterior Communication Lights
  • Low Profile
  • Programmable Controller (PLC)
Integrated Controls N/A When integrated with Serco vehicle restraints, dock levelers, doors and other dock devices are prevented from operating until the trailer is firmly locked in place, providing an added level of safety and efficiency to your dock. Serco-Vehicle-Restraints-Integrated-Controls.JPG
Digital Cycle Counter N/A A factory or field-installed digital cycle counter module is available that monitors cycles and safe engagements to provide clear and accurate diagnostics of restraint operations. Serco-Vehicle-Restraints-Digital-Cycle-Counter.JPG
Advanced Communications Package N/A The programmable controls support clear dock-to-driver communications with interior and exterior stop and go light signals as well as an exterior caution sign. Serco-Vehicle-Restraints-Advanced-Communications-Package.JPG
Advanced Wiring Board Technology N/A Significantly saves interior panel space making room for additional options and integration of other dock equipment controls into the same panel. Serco-Vehicle-Restraints-Advanced-Wiring-Board-Technology.JPG
Programmable Logic Controller (PLC) N/A Serco PitBull Safety-Loc restraints are available with a solid-state programmable logic controller (PLC) with advanced "real-time" diagnostic capabilities. A coded display system provides the operator with information on the restraint’s status. Serco-Vehicle-Restraints-PLC.JPG
Patented Dual Locking Positions N/A PitBull® Safety-Loc® Restraints feature dual locking positions at 7" and 11" from the face of the dock bumpers. The unique dual locking design restricts trailer movement while providing additional horizontal range for recessed, wider and bent rear impact guards. PitBull Safety-Loc restraints can effectively engage virtually any rear impact guard configuration. Serco-Vehicle-Restraints-Patented-Dual-Locking-Positions.JPG
Advanced Safe Engagement Signaling N/A PitBull Safety-Loc restraints are available with advanced safe engagement signaling to detect positive engagement of the locking arm. If contact is not made or is lost during the loading process, the restraint automatically returns to the stored position and signals the operator by flashing amber and red LED warning lights on the control panel.
Security Keypad Lockout / Override N/A A numeric keypad option is available on powered PitBull Safety-Loc restraints to provide security lockout/override, which restricts disengagement of the restraint to authorized users with security code access only. Serco-Vehicle-Restraints-Security-Keypad-Lockout_Override.JPG
Auxiliary Power-Down Release N/A In the event of a power failure, powered PitBull Safety-Loc restraints are available with an auxiliary power-down to allow speedy, safe release of the trailer. Serco-Vehicle-Restraints-Auxiliary-Power-Down-Release.JPG
Interlocking Capability N/A All powered restraint functions are controlled from the standard push-button control panel or as a component of a Combo or Master Control Panel. Restraint controls can be interlocked with other dock functions such as building security, door operators and dock levelers to prevent operation unless the vehicle is secured safely.