Manufacturer: Pearson Engineering Ltd  
Product type: Auxiliary Vehicles  
Name: Mine clearing vehicle  

Pearson Engineering Route Opening and Clearing Capability (PEROCC) provides a single platform solution to the requirements of counter IED activity through the application of a suite of tools to a chassis, with the capability to detect explosive threats and proof routes at tempo whilst maintaining a high level of self-protection.

PEROCC is a modification of a standard commercial wheeled loader running on blast off wheels to protect it from the effects of mines.

  • Based around any commercially available wheeled loader, providing inherent high levels of reliability

  • Roller wheels follow ground contours providing constant ground contact

  • Under armour hydraulically operated quick hitch/jettison system for front and rear equipment

  • Interrogation/manipulation arm which can be used to deploy a range of attachments to suit the task in hand, it can also be used as a crane for self-repair operations

  • Can be fitted with arm and/or chassis mounted electronic IED detection capabilities

  • Double V-shaped blast deflecting armoured hull beneath crew compartment

  • Crew compartment protected to STANAG 4569 Level 3 and above

  • Blast-Off Wheels

  • Facility to install an Overhead Weapon Station

  • Configurable storage space

  • Night/day indirect vision systems

  • Economically in-stride repairable capabilities post blast

ER is designed to provide an in-stride blast repairable route proofing and IEO clearance capability that allows a wider range of IED defeat requirements to be met using a single platform more efficiently and at higher tempo than is currently being achieved. The suite of tools s optimized for a commercially available pivot steer loader.

Route proofing is provided by the full width counter-mine and counter-IED rollers which, in keeping with other Pearson Engineering roller systems, are intended to detonate and neutralize pressure fused explosive devices. Hydraulic power is used to transfer a proportion of the vehicle weight onto the rollers in order to generate a maximum push down force of 550kg/1213lbs per roller wheel. Frangible joints allow the roller banks to readily detach from the chassis in the event of a blast. Hydraulically operated pins allow the front and rear equipment to be jettisoned quickly in an emergency and enable rapid replacement. This feature also allows the ability to integrate existing or emerging electronic detection capabilities on the same platform as the full width roller.

A powerful articulated arm provides interrogation and manipulation capabilities for the inspection of suspicious objects and areas. When stowed the arm is protected from blast damage by the hull of the vehicle. The arm can also be used as a crane in order to carry out any necessary running repairs on the vehicle and its equipment. The aim, based on a commercially available system, provides flexible platform to determine the location of emplaced IEDs and IED components and deal with them from a safe stand-off distance. It reduces and potentially removes the need for soldiers to dismount to inspect suspect areas and enables faster, more effective and safer electronic detection. A variety of tools interchangeable from under armour are available including a ripper claw, bucket, grapple and ground penetrating radar array.

The 3 seat crew compartment for Driver. Gunner and Commander is protected from beneath by an armoured double V-shaped hull for blast deflection. The upper hull is protected by applique composite armour panels which provide blast and ballistic protection. Protection is to STANAG 3 level and above. Blast attenuating seals mitigate the acceleration effects on the crew during an explosive event. Climate control optimizes crew comfort in a range ol operating environments.

PEROCC includes the option of a Remote Weapon Station (RWS) in order to provide a self-protection capability. In its current configuration PEROCC is shown with a Kongsberg CROWS RWS.

PEROCC includes Blast-Off Wheels. In the event of a blast under one of the vehicle wheels it will readily detach from the axle, thus reducing the transfer of blast energy into the vehicle, reducing harmful acceleration effects on the crew and enabling rapid replacement/repair.

Whilst on operations all systems - rollers, interrogation arm and weapon station - can be controlled from within the armoured crew compartment. Storage space on the vehicle can be configured to carry spare roller sets and blast-off wheels allowing for rapid repair/replacement in stride.

Operation and Control

PEROCC is operated by three crew: Driver/Arm operator, Gunner and Commander. The standard operating controls from the base vehicle are retained in the driving position at the front of the crew compartment. The Driver controls the vehicle and operates the roller system and arm. The Gunner is positioned immediately behind the driver and controls the Overhead Weapon Station. The Commander sits in the highest position at the rear of the crew compartment in order to maximize situational awareness. Both Gunner and Commander can monitor GPR equipment. All crew members have excellent all round visibility and simultaneous access to indirect vision cameras.

Property Value
Weight (kg)
Height (mm)
Length (mm)
Number of drive wheels
Number of wheels
Ground clearance (mm)
Turning circle radius (mm)
Max. road speed (km/h)

Related Articles

PEROCC is unveiled at the 2012 Association of the United States Army (AUSA) Annual Meeting & Exposition (26.10.2012)

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