This from Ron Wolkoff:

Westmont has two brand new custom Horton conversions on Ford F450 chassis

Ford F450 Type I ambulance

New Ford F450/Horton Type I ambulance for Westmont. Foster Coach photo

 

Des Plaines has two brand new custom Horton conversions for Ambulance 62 and Ambulance 63 on Freightliner chassis

Freightliner Type I ambulance

New Freightliner M2/Horton Type I ambulance for Des Plaines. Foster Coach photo

Libertyville has a new custom Horton conversion on a Ford F450 chassis

Ford F450 Type I ambulance

New Ford F450/Horton Type I ambulance for Libertyville. Foster Coach photo