Specifications include, but are not limited to: The Contractor shall supply the following Western Readily Detachable Snow Plow Systems with all standard options to include the following options: Ultra Mount 2 Snow Plow Mounting System, Curb Guards, Hand Held Control, Fleet Flex Electrical System, and the Isolation Module: (No Substitutions will be accepted) i. Western HTS Series Readily Detachable Snowplow System for Ford F150 4x4 5.0L Pickup. ii. Western Pro-Plow Series 2 Readily Detachable Snowplow System for Ford F250 4x4 SRW (Single Rear Wheel). iii. Western Pro-Plow Series 2 Readily Detachable Snow Plow System for Ford F350 4x4 SRW (Single Rear Wheel). iv. Western Pro Plus Readily Detachable Snow Plow System for Ford F350 4x4 DRW (Dual Rear Wheels).