If replace coach use 

<Item type="CHandlingData">
      <handlingName>COACH</handlingName>
      <fMass value="8500.000000" />
      <fInitialDragCoeff value="10.000000" />
      <fPercentSubmerged value="85.000000" />
      <vecCentreOfMassOffset x="0.000000" y="0.000000" z="0.000000" />
      <vecInertiaMultiplier x="1.600000" y="2.000000" z="2.000000" />
      <fDriveBiasFront value="0.200000" />
      <nInitialDriveGears value="4" />
      <fInitialDriveForce value="0.120000" />
      <fDriveInertia value="0.500000" />
      <fClutchChangeRateScaleUpShift value="1.000000" />
      <fClutchChangeRateScaleDownShift value="1.000000" />
      <fInitialDriveMaxFlatVel value="100.000000" />
      <fBrakeForce value="0.250000" />
      <fBrakeBiasFront value="0.650000" />
      <fHandBrakeForce value="0.300000" />
      <fSteeringLock value="35.000000" />
      <fTractionCurveMax value="1.450000" />
      <fTractionCurveMin value="1.350000" />
      <fTractionCurveLateral value="15.000000" />
      <fTractionSpringDeltaMax value="0.130000" />
      <fLowSpeedTractionLossMult value="0.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.475000" />
      <fTractionLossMult value="0.700000" />
      <fSuspensionForce value="1.700000" />
      <fSuspensionCompDamp value="0.900000" />
      <fSuspensionReboundDamp value="1.800000" />
      <fSuspensionUpperLimit value="0.100000" />
      <fSuspensionLowerLimit value="-0.240000" />
      <fSuspensionRaise value="0.000000" />
      <fSuspensionBiasFront value="0.470000" />
      <fAntiRollBarForce value="0.000000" />
      <fAntiRollBarBiasFront value="0.000000" />
      <fRollCentreHeightFront value="0.800000" />
      <fRollCentreHeightRear value="0.800000" />
      <fCollisionDamageMult value="1.000000" />
      <fWeaponDamageMult value="1.000000" />
      <fDeformationDamageMult value="0.800000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="120.000000" />
      <fOilVolume value="8.000000" />
      <fSeatOffsetDistX value="0.000000" />
      <fSeatOffsetDistY value="0.000000" />
      <fSeatOffsetDistZ value="0.000000" />
      <nMonetaryValue value="25000" />
      <strModelFlags>20440018</strModelFlags>
      <strHandlingFlags>0</strHandlingFlags>
      <strDamageFlags>20</strDamageFlags>
      <AIHandling>TRUCK</AIHandling>
      <SubHandlingData>
        <Item type="NULL" />
        <Item type="NULL" />
        <Item type="NULL" />
      </SubHandlingData>
    </Item>

if replace tourbus use 

<Item type="CHandlingData">
      <handlingName>TOURBUS</handlingName>
      <fMass value="5500.000000" />
      <fInitialDragCoeff value="10.000000" />
      <fPercentSubmerged value="85.000000" />
      <vecCentreOfMassOffset x="0.000000" y="0.000000" z="0.000000" />
      <vecInertiaMultiplier x="1.000000" y="1.100000" z="1.100000" />
      <fDriveBiasFront value="0.000000" />
      <nInitialDriveGears value="4" />
      <fInitialDriveForce value="0.120000" />
      <fDriveInertia value="0.500000" />
      <fClutchChangeRateScaleUpShift value="1.000000" />
      <fClutchChangeRateScaleDownShift value="1.000000" />
      <fInitialDriveMaxFlatVel value="110.000000" />
      <fBrakeForce value="0.250000" />
      <fBrakeBiasFront value="0.650000" />
      <fHandBrakeForce value="0.300000" />
      <fSteeringLock value="35.000000" />
      <fTractionCurveMax value="1.550000" />
      <fTractionCurveMin value="1.450000" />
      <fTractionCurveLateral value="17.000000" />
      <fTractionSpringDeltaMax value="0.130000" />
      <fLowSpeedTractionLossMult value="0.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.475000" />
      <fTractionLossMult value="0.900000" />
      <fSuspensionForce value="1.700000" />
      <fSuspensionCompDamp value="0.900000" />
      <fSuspensionReboundDamp value="1.800000" />
      <fSuspensionUpperLimit value="0.100000" />
      <fSuspensionLowerLimit value="-0.180000" />
      <fSuspensionRaise value="0.000000" />
      <fSuspensionBiasFront value="0.580000" />
      <fAntiRollBarForce value="0.000000" />
      <fAntiRollBarBiasFront value="0.000000" />
      <fRollCentreHeightFront value="0.400000" />
      <fRollCentreHeightRear value="0.400000" />
      <fCollisionDamageMult value="1.000000" />
      <fWeaponDamageMult value="1.000000" />
      <fDeformationDamageMult value="0.800000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="70.000000" />
      <fOilVolume value="8.000000" />
      <fSeatOffsetDistX value="0.000000" />
      <fSeatOffsetDistY value="0.000000" />
      <fSeatOffsetDistZ value="0.000000" />
      <nMonetaryValue value="40000" />
      <strModelFlags>440008</strModelFlags>
      <strHandlingFlags>0</strHandlingFlags>
      <strDamageFlags>20</strDamageFlags>
      <AIHandling>TRUCK</AIHandling>
      <SubHandlingData>
        <Item type="NULL" />
        <Item type="NULL" />
        <Item type="NULL" />
      </SubHandlingData>
    </Item>